Schedule of Investments (unaudited) December 31, 2020 | iShares® Russell 2000 Growth ETF (Percentages shown are based on Net Assets) |
| Security | Shares | Value | ||||||
Common Stocks | ||||||||
| Aerospace & Defense — 0.8% | ||||||||
Aerojet Rocketdyne Holdings Inc.(a) | 657,735 | $ | 34,761,295 | |||||
Aerovironment Inc.(a)(b) | 197,136 | 17,131,118 | ||||||
Cubic Corp. | 33,057 | 2,050,856 | ||||||
Kaman Corp. | 26,476 | 1,512,574 | ||||||
Kratos Defense & Security Solutions Inc.(a)(b) | 1,105,523 | 30,324,496 | ||||||
National Presto Industries Inc. | 2,626 | 232,217 | ||||||
PAE Inc.(a)(b) | 547,344 | 5,024,618 | ||||||
Parsons Corp.(a)(b) | 149,912 | 5,458,296 | ||||||
Vectrus Inc.(a) | 39,859 | 1,981,790 | ||||||
|
| |||||||
| 98,477,260 | ||||||||
| Air Freight & Logistics — 0.3% | ||||||||
Air Transport Services Group Inc.(a)(b) | 535,282 | 16,775,738 | ||||||
Atlas Air Worldwide Holdings Inc.(a)(b) | 15,108 | 823,990 | ||||||
Forward Air Corp. | 153,141 | 11,767,355 | ||||||
|
| |||||||
| 29,367,083 | ||||||||
| Airlines — 0.0% | ||||||||
Allegiant Travel Co. | 14,306 | 2,707,267 | ||||||
|
| |||||||
| Auto Components — 1.4% | ||||||||
Dorman Products Inc.(a)(b) | 242,680 | 21,069,477 | ||||||
Fox Factory Holding Corp.(a)(b) | 376,965 | 39,848,970 | ||||||
Gentherm Inc.(a)(b) | 298,295 | 19,454,800 | ||||||
LCI Industries | 224,410 | 29,101,489 | ||||||
Motorcar Parts of America Inc.(a) | 22,027 | 432,170 | ||||||
Patrick Industries Inc. | 192,005 | 13,123,542 | ||||||
Standard Motor Products Inc. | 29,842 | 1,207,407 | ||||||
Visteon Corp.(a)(b) | 252,475 | 31,690,662 | ||||||
XPEL Inc.(a)(b) | 151,989 | 7,836,553 | ||||||
|
| |||||||
| 163,765,070 | ||||||||
| Automobiles — 0.1% | ||||||||
Winnebago Industries Inc. | 283,425 | 16,988,495 | ||||||
|
| |||||||
| Banks — 0.7% | ||||||||
Altabancorp | 9,063 | 253,039 | ||||||
Bank First Corp.(b) | 53,155 | 3,445,507 | ||||||
Bank7 Corp. | 11,867 | 168,511 | ||||||
Baycom Corp.(a) | 28,991 | 439,794 | ||||||
Cambridge Bancorp. | 12,269 | 855,763 | ||||||
Century Bancorp. Inc./MA, Class A, NVS | 3,586 | 277,413 | ||||||
Coastal Financial Corp./WA(a)(b) | 7,446 | 156,366 | ||||||
Customers Bancorp. Inc.(a) | 19,367 | 352,092 | ||||||
Eastern Bankshares Inc.(a)(b) | 252,610 | 4,120,069 | ||||||
Esquire Financial Holdings Inc.(a)(b) | 20,208 | 387,792 | ||||||
First Financial Bankshares Inc. | 1,175,334 | 42,517,707 | ||||||
First Foundation Inc. | 85,565 | 1,711,300 | ||||||
Glacier Bancorp. Inc. | 90,512 | 4,164,457 | ||||||
Hanmi Financial Corp. | 20,843 | 236,360 | ||||||
Independent Bank Corp. | 21,177 | 1,546,768 | ||||||
Investors Bancorp. Inc. | 579,323 | 6,117,651 | ||||||
Lakeland Financial Corp. | 13,970 | 748,513 | ||||||
Meridian Corp. | 8,893 | 184,974 | ||||||
National Bank Holdings Corp., Class A | 63,487 | 2,079,834 | ||||||
Northeast Bank(a) | 7,068 | 159,171 | ||||||
Reliant Bancorp Inc. | 5,757 | 107,195 | ||||||
ServisFirst Bancshares Inc.(b) | 328,027 | 13,216,208 | ||||||
Stock Yards Bancorp. Inc. | 27,592 | 1,116,924 | ||||||
Unity Bancorp. Inc. | 6,410 | 112,496 | ||||||
West Bancorp. Inc. | 22,377 | 431,876 | ||||||
| Security | Shares | Value | ||||||
| Banks (continued) | ||||||||
Westamerica Bancorp. | 31,271 | $ | 1,728,974 | |||||
|
| |||||||
| 86,636,754 | ||||||||
| Beverages — 0.4% | ||||||||
Celsius Holdings Inc.(a)(b) | 323,731 | 16,286,907 | ||||||
Coca-Cola Consolidated Inc.(b) | 42,809 | 11,398,752 | ||||||
MGP Ingredients Inc.(b) | 87,565 | 4,120,809 | ||||||
National Beverage Corp. | 107,631 | 9,137,872 | ||||||
NewAge Inc.(a)(b) | 402,438 | 1,058,412 | ||||||
|
| |||||||
| 42,002,752 | ||||||||
| Biotechnology — 19.0% | ||||||||
89bio Inc.(a)(b) | 74,798 | 1,822,827 | ||||||
Abeona Therapeutics Inc.(a)(b) | 181,546 | 285,027 | ||||||
ADMA Biologics Inc.(a)(b) | 486,508 | 948,691 | ||||||
Adverum Biotechnologies Inc.(a)(b) | 698,373 | 7,570,363 | ||||||
Aeglea BioTherapeutics Inc.(a) | 335,738 | 2,642,258 | ||||||
Affimed NV(a) | 764,098 | 4,447,050 | ||||||
Agenus Inc.(a)(b) | 1,402,653 | 4,460,437 | ||||||
Akebia Therapeutics Inc.(a)(b) | 1,299,656 | 3,639,037 | ||||||
Akero Therapeutics Inc.(a)(b) | 127,194 | 3,281,605 | ||||||
Akouos Inc.(a)(b) | 106,792 | 2,117,685 | ||||||
Albireo Pharma Inc.(a) | 106,794 | 4,005,843 | ||||||
Alector Inc.(a)(b) | 421,296 | 6,374,208 | ||||||
Aligos Therapeutics Inc.(a)(b) | 71,478 | 1,976,367 | ||||||
Allakos Inc.(a)(b) | 238,844 | 33,438,160 | ||||||
Allogene Therapeutics Inc.(a) | 491,008 | 12,393,042 | ||||||
Allovir Inc.(a)(b) | 131,133 | 5,040,753 | ||||||
ALX Oncology Holdings Inc.(a)(b) | 70,516 | 6,078,479 | ||||||
Amicus Therapeutics Inc.(a) | 2,343,322 | 54,107,305 | ||||||
Anavex Life Sciences Corp.(a)(b) | 476,400 | 2,572,560 | ||||||
Annexon Inc.(a) | 107,972 | 2,702,539 | ||||||
Apellis Pharmaceuticals Inc.(a)(b) | 547,422 | 31,312,538 | ||||||
Applied Molecular Transport Inc.(a)(b) | 91,513 | 2,815,855 | ||||||
Applied Therapeutics Inc.(a)(b) | 127,617 | 2,808,850 | ||||||
Aprea Therapeutics Inc.(a)(b) | 66,961 | 329,448 | ||||||
Aravive Inc.(a)(b) | 113,223 | 638,578 | ||||||
Arcturus Therapeutics Holdings Inc.(a)(b) | 200,515 | 8,698,341 | ||||||
Arcus Biosciences Inc.(a)(b) | 384,013 | 9,968,977 | ||||||
Arcutis Biotherapeutics Inc.(a) | 188,195 | 5,293,925 | ||||||
Ardelyx Inc.(a)(b) | 685,060 | 4,432,338 | ||||||
Arena Pharmaceuticals Inc.(a)(b) | 44,213 | 3,396,885 | ||||||
Arrowhead Pharmaceuticals Inc.(a)(b) | 914,682 | 70,183,550 | ||||||
Assembly Biosciences Inc.(a) | 145,640 | 881,122 | ||||||
Atara Biotherapeutics Inc.(a) | 510,404 | 10,019,231 | ||||||
Athenex Inc.(a)(b) | 642,639 | 7,107,587 | ||||||
Athersys Inc.(a)(b) | 1,576,701 | 2,759,227 | ||||||
Atreca Inc., Class A(a)(b) | 242,910 | 3,922,997 | ||||||
AVEO Pharmaceuticals Inc.(a) | 114,416 | 660,180 | ||||||
Avid Bioservices Inc.(a)(b) | 462,853 | 5,341,324 | ||||||
Avidity Biosciences Inc.(a) | 122,562 | 3,127,782 | ||||||
Avrobio Inc.(a)(b) | 290,281 | 4,046,517 | ||||||
Axcella Health Inc.(a) | 123,006 | 638,401 | ||||||
Aziyo Biologics Inc., Class A(a)(b) | 12,694 | 173,019 | ||||||
Beam Therapeutics Inc.(a)(b) | 363,471 | 29,673,772 | ||||||
Beyondspring Inc.(a) | 125,540 | 1,531,588 | ||||||
BioCryst Pharmaceuticals Inc.(a)(b) | 1,268,343 | 9,449,155 | ||||||
Biohaven Pharmaceutical Holding Co. Ltd.(a)(b) | 438,439 | 37,578,607 | ||||||
Bioxcel Therapeutics Inc.(a)(b) | 115,987 | 5,358,599 | ||||||
Black Diamond Therapeutics Inc.(a)(b) | 166,690 | 5,342,414 | ||||||
Blueprint Medicines Corp.(a)(b) | 504,330 | 56,560,609 | ||||||
1
Schedule of Investments (unaudited) (continued) December 31, 2020 | iShares® Russell 2000 Growth ETF (Percentages shown are based on Net Assets) |
| Security | Shares | Value | ||||||
| Biotechnology (continued) | ||||||||
BrainStorm Cell Therapeutics Inc.(a)(b) | 268,567 | $ | 1,215,266 | |||||
Bridgebio Pharma Inc.(a)(b) | 663,678 | 47,194,143 | ||||||
C4 Therapeutics Inc.(a) | 76,050 | 2,519,537 | ||||||
Calithera Biosciences Inc.(a)(b) | 597,881 | 2,935,596 | ||||||
Calyxt Inc.(a) | 92,150 | 388,873 | ||||||
CareDx Inc.(a)(b) | 436,404 | 31,617,470 | ||||||
CASI Pharmaceuticals Inc.(a)(b) | 525,742 | 1,550,939 | ||||||
Catabasis Pharmaceutical Inc.(a)(b) | 134,273 | 287,344 | ||||||
Catalyst Pharmaceuticals Inc.(a)(b) | 882,362 | 2,947,089 | ||||||
Cellular Biomedicine Group Inc.(a) | 71,010 | 1,305,164 | ||||||
CEL-SCI Corp.(a)(b) | 267,528 | 3,119,376 | ||||||
Centogene NV(a) | 75,267 | 811,378 | ||||||
Checkmate Pharmaceuticals Inc.(a) | 34,501 | 503,370 | ||||||
Checkpoint Therapeutics Inc.(a)(b) | 460,369 | 1,219,978 | ||||||
ChemoCentryx Inc.(a)(b) | 451,915 | 27,982,577 | ||||||
Chinook Therapeutics Inc.(a) | 106,337 | 1,686,505 | ||||||
Cidara Therapeutics Inc.(a) | 245,429 | 490,858 | ||||||
Clovis Oncology Inc.(a)(b) | 753,035 | 3,614,568 | ||||||
Codiak Biosciences Inc.(a) | 38,575 | 1,245,973 | ||||||
Cohbar Inc.(a)(b) | 227,860 | 305,332 | ||||||
Coherus Biosciences Inc.(a)(b) | 534,450 | 9,288,741 | ||||||
Constellation Pharmaceuticals Inc.(a)(b) | 279,514 | 8,050,003 | ||||||
ContraFect Corp.(a)(b) | 216,680 | 1,094,234 | ||||||
Corbus Pharmaceuticals Holdings Inc.(a)(b) | 692,794 | 865,993 | ||||||
Cortexyme Inc.(a)(b) | 135,431 | 3,762,273 | ||||||
Crinetics Pharmaceuticals Inc.(a) | 246,192 | 3,473,769 | ||||||
Cue Biopharma Inc.(a) | 271,394 | 3,395,139 | ||||||
Cytokinetics Inc.(a)(b) | 530,864 | 11,031,354 | ||||||
CytomX Therapeutics Inc.(a)(b) | 411,007 | 2,692,096 | ||||||
Deciphera Pharmaceuticals Inc.(a) | 348,197 | 19,871,603 | ||||||
Denali Therapeutics Inc.(a)(b) | 573,122 | 48,004,699 | ||||||
Dermtech Inc.(a)(b) | 75,429 | 2,446,917 | ||||||
Dicerna Pharmaceuticals Inc.(a) | 600,697 | 13,233,355 | ||||||
Dyadic International Inc.(a)(b) | 148,332 | 798,026 | ||||||
Dynavax Technologies Corp.(a)(b) | 816,389 | 3,632,931 | ||||||
Dyne Therapeutics Inc.(a)(b) | 100,518 | 2,110,878 | ||||||
Eagle Pharmaceuticals Inc./DE(a)(b) | 94,274 | 4,390,340 | ||||||
Editas Medicine Inc.(a)(b) | 572,336 | 40,126,477 | ||||||
Eidos Therapeutics Inc.(a)(b) | 99,708 | 13,119,579 | ||||||
Eiger BioPharmaceuticals Inc.(a) | 276,092 | 3,393,171 | ||||||
Emergent BioSolutions Inc.(a)(b) | 411,192 | 36,842,803 | ||||||
Enanta Pharmaceuticals Inc.(a)(b) | 15,248 | 641,941 | ||||||
Epizyme Inc.(a)(b) | 518,503 | 5,630,943 | ||||||
Esperion Therapeutics Inc.(a)(b) | 235,398 | 6,120,348 | ||||||
Evelo Biosciences Inc.(a)(b) | 176,043 | 2,128,360 | ||||||
Exicure Inc.(a) | 474,390 | 839,670 | ||||||
Fate Therapeutics Inc.(a)(b) | 652,821 | 59,361,014 | ||||||
Fennec Pharmaceuticals Inc.(a)(b) | 201,148 | 1,498,553 | ||||||
FibroGen Inc.(a)(b) | 658,383 | 24,419,425 | ||||||
Flexion Therapeutics Inc.(a)(b) | 404,190 | 4,664,353 | ||||||
Foghorn Therapeutics Inc.(a) | 50,587 | 1,025,398 | ||||||
Forma Therapeutics Holdings Inc.(a)(b) | 123,487 | 4,309,696 | ||||||
Fortress Biotech Inc.(a) | 574,744 | 1,821,938 | ||||||
Frequency Therapeutics Inc.(a)(b) | 229,082 | 8,077,431 | ||||||
G1 Therapeutics Inc.(a) | 145,130 | 2,610,889 | ||||||
Galectin Therapeutics Inc.(a)(b) | 359,610 | 805,526 | ||||||
Galera Therapeutics Inc.(a) | 81,419 | 832,916 | ||||||
Generation Bio Co.(a)(b) | 90,088 | 2,553,995 | ||||||
Genprex Inc.(a)(b) | 265,664 | 1,102,506 | ||||||
Gossamer Bio Inc.(a)(b) | 214,879 | 2,077,880 | ||||||
| Security | Shares | Value | ||||||
| Biotechnology (continued) | ||||||||
Gritstone Oncology Inc.(a)(b) | 52,683 | $ | 207,571 | |||||
Halozyme Therapeutics Inc.(a)(b) | 1,211,983 | 51,763,794 | ||||||
Harpoon Therapeutics Inc.(a)(b) | 98,463 | 1,635,470 | ||||||
Heron Therapeutics Inc.(a)(b) | 797,844 | 16,886,368 | ||||||
Homology Medicines Inc.(a) | 308,992 | 3,488,520 | ||||||
Hookipa Pharma Inc.(a)(b) | 108,008 | 1,197,809 | ||||||
iBio Inc.(a)(b) | 1,401,541 | 1,471,618 | ||||||
Ideaya Biosciences Inc.(a) | 28,922 | 404,908 | ||||||
IGM Biosciences Inc.(a)(b) | 64,678 | 5,710,421 | ||||||
Immunic Inc.(a) | 29,680 | 453,807 | ||||||
ImmunoGen Inc.(a)(b) | 721,802 | 4,655,623 | ||||||
Immunome Inc.(a) | 11,755 | 113,788 | ||||||
Immunovant Inc.(a) | 341,465 | 15,772,268 | ||||||
Inhibrx Inc.(a)(b) | 57,583 | 1,898,512 | ||||||
Inovio Pharmaceuticals Inc.(a)(b) | 1,443,944 | 12,778,904 | ||||||
Inozyme Pharma Inc.(a)(b) | 57,430 | 1,185,355 | ||||||
Insmed Inc.(a)(b) | 922,486 | 30,709,559 | ||||||
Intellia Therapeutics Inc.(a)(b) | 456,673 | 24,843,011 | ||||||
Intercept Pharmaceuticals Inc.(a)(b) | 235,527 | 5,817,517 | ||||||
Invitae Corp.(a)(b) | 1,051,735 | 43,973,040 | ||||||
Ironwood Pharmaceuticals Inc.(a)(b) | 1,453,053 | 16,550,274 | ||||||
iTeos Therapeutics Inc.(a)(b) | 80,221 | 2,713,074 | ||||||
Kadmon Holdings Inc.(a)(b) | 1,589,927 | 6,598,197 | ||||||
KalVista Pharmaceuticals Inc.(a)(b) | 24,241 | 460,337 | ||||||
Karuna Therapeutics Inc.(a)(b) | 143,926 | 14,621,442 | ||||||
Karyopharm Therapeutics Inc.(a)(b) | 638,507 | 9,884,088 | ||||||
Keros Therapeutics Inc.(a) | 110,809 | 7,816,467 | ||||||
Kindred Biosciences Inc.(a) | 279,078 | 1,202,826 | ||||||
Kiniksa Pharmaceuticals Ltd., Class A(a)(b) | 227,794 | 4,025,120 | ||||||
Kodiak Sciences Inc.(a)(b) | 293,673 | 43,143,500 | ||||||
Kronos Bio Inc.(a)(b) | 104,220 | 3,113,051 | ||||||
Krystal Biotech Inc.(a)(b) | 124,809 | 7,488,540 | ||||||
Kura Oncology Inc.(a) | 560,334 | 18,300,508 | ||||||
Kymera Therapeutics Inc.(a) | 72,113 | 4,471,006 | ||||||
La Jolla Pharmaceutical Co.(a)(b) | 172,316 | 668,586 | ||||||
Lexicon Pharmaceuticals Inc.(a)(b) | 384,471 | 1,314,891 | ||||||
Ligand Pharmaceuticals Inc.(a)(b) | 131,365 | 13,064,249 | ||||||
LogicBio Therapeutics Inc.(a) | 145,030 | 1,106,579 | ||||||
MacroGenics Inc.(a) | 175,142 | 4,003,746 | ||||||
Madrigal Pharmaceuticals Inc.(a)(b) | 79,684 | 8,858,470 | ||||||
Magenta Therapeutics Inc.(a) | 152,981 | 1,199,371 | ||||||
MannKind Corp.(a)(b) | 2,028,562 | 6,349,399 | ||||||
Marker Therapeutics Inc.(a)(b) | 220,697 | 320,011 | ||||||
MediciNova Inc.(a)(b) | 392,342 | 2,063,719 | ||||||
MEI Pharma Inc.(a)(b) | 798,345 | 2,107,631 | ||||||
MeiraGTx Holdings PLC(a) | 173,096 | 2,620,673 | ||||||
Mersana Therapeutics Inc.(a)(b) | 484,827 | 12,901,246 | ||||||
Metacrine Inc.(a) | 42,976 | 337,791 | ||||||
Minerva Neurosciences Inc.(a)(b) | 303,251 | 709,607 | ||||||
Mirati Therapeutics Inc.(a) | 389,841 | 85,624,677 | ||||||
Mirum Pharmaceuticals Inc.(a)(b) | 18,680 | 326,153 | ||||||
Molecular Templates Inc.(a) | 242,939 | 2,281,197 | ||||||
Morphic Holding Inc.(a)(b) | 125,938 | 4,225,220 | ||||||
Mustang Bio Inc.(a)(b) | 449,153 | 1,700,044 | ||||||
NantKwest Inc.(a)(b) | 247,291 | 3,296,389 | ||||||
Natera Inc.(a) | 647,005 | 64,389,938 | ||||||
Neoleukin Therapeutics Inc.(a)(b) | 300,707 | 4,239,969 | ||||||
NeuBase Therapeutics Inc.(a) | 150,373 | 1,051,107 | ||||||
NeuroBo Pharmaceuticals Inc.(a) | 39,859 | 209,260 | ||||||
NextCure Inc.(a)(b) | 137,312 | 1,496,701 | ||||||
2
Schedule of Investments (unaudited) (continued) December 31, 2020 | iShares® Russell 2000 Growth ETF (Percentages shown are based on Net Assets) |
| Security | Shares | Value | ||||||
| Biotechnology (continued) | ||||||||
Nkarta Inc.(a) | 117,025 | $ | 7,193,527 | |||||
Novavax Inc.(a)(b) | 151,689 | 16,914,840 | ||||||
Nurix Therapeutics Inc.(a) | 82,340 | 2,707,339 | ||||||
Nymox Pharmaceutical Corp.(a)(b) | 321,666 | 797,732 | ||||||
Oncocyte Corp.(a) | 558,789 | 1,335,506 | ||||||
Oncorus Inc.(a)(b) | 46,231 | 1,494,648 | ||||||
Oncternal Therapeutics Inc.(b)(c) | 6,020 | 12,341 | ||||||
Organogenesis Holdings Inc.(a) | 214,303 | 1,613,702 | ||||||
Orgenesis Inc.(a) | 32,305 | 145,373 | ||||||
ORIC Pharmaceuticals Inc.(a) | 188,072 | 6,366,237 | ||||||
Ovid therapeutics Inc.(a)(b) | 402,201 | 929,084 | ||||||
Oyster Point Pharma Inc.(a)(b) | 54,516 | 1,025,991 | ||||||
Pandion Therapeutics Inc.(a) | 52,585 | 780,887 | ||||||
Passage Bio Inc.(a)(b) | 138,712 | 3,546,866 | ||||||
PhaseBio Pharmaceuticals Inc.(a)(b) | 139,337 | 468,172 | ||||||
Pieris Pharmaceuticals Inc.(a) | 461,998 | 1,154,995 | ||||||
PMV Pharmaceuticals Inc.(a)(b) | 97,569 | 6,001,469 | ||||||
Poseida Therapeutics Inc.(a)(b) | 97,542 | 1,070,036 | ||||||
Praxis Precision Medicines Inc.(a)(b) | 78,859 | 4,338,822 | ||||||
Precigen Inc.(a) | 491,557 | 5,013,881 | ||||||
Precision BioSciences Inc.(a) | 410,251 | 3,421,493 | ||||||
Prelude Therapeutics Inc.(a)(b) | 65,694 | 4,700,406 | ||||||
Prevail Therapeutics Inc.(a) | 132,976 | 3,067,756 | ||||||
Protagonist Therapeutics Inc.(a) | 286,164 | 5,769,066 | ||||||
Protara Therapeutics Inc.(a) | 33,871 | 820,017 | ||||||
PTC Therapeutics Inc.(a)(b) | 563,376 | 34,382,837 | ||||||
Puma Biotechnology Inc.(a)(b) | 287,984 | 2,954,716 | ||||||
Radius Health Inc.(a)(b) | 413,810 | 7,390,647 | ||||||
Rapt Therapeutics Inc.(a) | 99,835 | 1,971,741 | ||||||
REGENXBIO Inc.(a) | 309,996 | 14,061,419 | ||||||
Relay Therapeutics Inc.(a)(b) | 231,676 | 9,628,455 | ||||||
Replimune Group Inc.(a)(b) | 216,384 | 8,255,050 | ||||||
REVOLUTION Medicines Inc.(a)(b) | 351,603 | 13,919,963 | ||||||
Rhythm Pharmaceuticals Inc.(a)(b) | 309,969 | 9,215,378 | ||||||
Rigel Pharmaceuticals Inc.(a)(b) | 1,547,756 | 5,417,146 | ||||||
Rocket Pharmaceuticals Inc.(a)(b) | 310,425 | 17,023,707 | ||||||
Rubius Therapeutics Inc.(a)(b) | 59,070 | 448,341 | ||||||
Sangamo Therapeutics Inc.(a)(b) | 1,049,093 | 16,371,096 | ||||||
Scholar Rock Holding Corp.(a) | 232,723 | 11,294,047 | ||||||
Selecta Biosciences Inc.(a)(b) | 298,060 | 903,122 | ||||||
Seres Therapeutics Inc.(a)(b) | 502,536 | 12,312,132 | ||||||
Shattuck Labs Inc.(a) | 93,517 | 4,901,226 | ||||||
Soleno Therapeutics Inc.(a) | 457,515 | 883,004 | ||||||
Solid Biosciences Inc.(a) | 27,395 | 207,654 | ||||||
Sorrento Therapeutics Inc.(a)(b) | 2,277,375 | 15,543,084 | ||||||
Spero Therapeutics Inc.(a)(b) | 164,884 | 3,197,101 | ||||||
SpringWorks Therapeutics Inc.(a)(b) | 218,763 | 15,864,693 | ||||||
Spruce Biosciences Inc.(a)(b) | 48,392 | 1,176,410 | ||||||
SQZ Biotechnologies Co.(a) | 30,912 | 895,830 | ||||||
Stoke Therapeutics Inc.(a)(b) | 113,485 | 7,028,126 | ||||||
Sutro Biopharma Inc.(a) | 217,236 | 4,716,194 | ||||||
Syndax Pharmaceuticals Inc.(a)(b) | 245,347 | 5,456,517 | ||||||
Syros Pharmaceuticals Inc.(a)(b) | 378,330 | 4,104,881 | ||||||
Taysha Gene Therapies Inc.(a)(b) | 60,640 | 1,609,386 | ||||||
TCR2 Therapeutics Inc.(a) | 15,692 | 485,354 | ||||||
TG Therapeutics Inc.(a)(b) | 897,058 | 46,664,957 | ||||||
Translate Bio Inc.(a)(b) | 621,248 | 11,449,601 | ||||||
Travere Therapeutics, Inc.(a) | 458,367 | 12,492,793 | ||||||
Turning Point Therapeutics Inc.(a)(b) | 317,379 | 38,672,631 | ||||||
Twist Bioscience Corp.(a)(b) | 298,171 | 42,128,581 | ||||||
| Security | Shares | Value | ||||||
| Biotechnology (continued) | ||||||||
Tyme Technologies Inc.(a)(b) | 610,478 | $ | 744,783 | |||||
Ultragenyx Pharmaceutical Inc.(a)(b) | 570,342 | 78,952,443 | ||||||
UNITY Biotechnology Inc.(a)(b) | 331,558 | 1,737,364 | ||||||
UroGen Pharma Ltd.(a)(b) | 110,293 | 1,987,480 | ||||||
Vaxart Inc.(a)(b) | 404,993 | 2,312,510 | ||||||
Vaxcyte Inc.(a)(b) | 132,025 | 3,507,904 | ||||||
VBI Vaccines Inc.(a)(b) | 1,313,827 | 3,613,024 | ||||||
Veracyte Inc.(a) | 521,851 | 25,539,388 | ||||||
Verastem Inc.(a) | 625,990 | 1,333,359 | ||||||
Vericel Corp.(a)(b) | 365,100 | 11,274,288 | ||||||
Viela Bio Inc.(a)(b) | 199,667 | 7,182,022 | ||||||
Viking Therapeutics Inc.(a)(b) | 38,814 | 218,523 | ||||||
Vir Biotechnology Inc.(a)(b) | 488,426 | 13,080,048 | ||||||
Voyager Therapeutics Inc.(a)(b) | 234,947 | 1,679,871 | ||||||
vTv Therapeutics Inc., Class A(a)(b) | 90,388 | 168,122 | ||||||
Xencor Inc.(a)(b) | 477,131 | 20,817,226 | ||||||
XOMA Corp.(a)(b) | 46,792 | 2,064,931 | ||||||
Y-mAbs Therapeutics Inc.(a) | 279,132 | 13,819,825 | ||||||
Zentalis Pharmaceuticals Inc.(a)(b) | 244,406 | 12,694,448 | ||||||
ZIOPHARM Oncology Inc.(a)(b) | 1,298,129 | 3,271,285 | ||||||
|
| |||||||
| 2,240,583,918 | ||||||||
| Building Products — 1.9% | ||||||||
AAON Inc.(b) | 374,091 | 24,925,683 | ||||||
Advanced Drainage Systems Inc.(b) | 513,323 | 42,903,536 | ||||||
Alpha Pro Tech Ltd.(a)(b) | 113,900 | 1,269,985 | ||||||
Apogee Enterprises Inc. | 35,932 | 1,138,326 | ||||||
Builders FirstSource Inc.(a)(b) | 954,801 | 38,965,429 | ||||||
Cornerstone Building Brands Inc.(a) | 166,128 | 1,541,668 | ||||||
CSW Industrials Inc. | 124,660 | 13,950,700 | ||||||
Gibraltar Industries Inc.(a)(b) | 68,387 | 4,919,761 | ||||||
Masonite International Corp.(a) | 221,835 | 21,815,254 | ||||||
PGT Innovations Inc.(a) | 193,147 | 3,928,610 | ||||||
Simpson Manufacturing Co. Inc. | 396,993 | 37,098,996 | ||||||
UFP Industries Inc. | 459,013 | 25,498,172 | ||||||
|
| |||||||
| 217,956,120 | ||||||||
| Capital Markets — 1.4% | ||||||||
Artisan Partners Asset Management Inc., Class A | 208,591 | 10,500,471 | ||||||
Assetmark Financial Holdings Inc.(a)(b) | 64,441 | 1,559,472 | ||||||
BrightSphere Investment Group Inc. | 558,194 | 10,761,980 | ||||||
Cohen & Steers Inc. | 222,766 | 16,551,514 | ||||||
Cowen Inc., Class A(b) | 81,176 | 2,109,764 | ||||||
Federated Hermes Inc. | 251,894 | 7,277,218 | ||||||
Focus Financial Partners Inc., Class A(a)(b) | 286,170 | 12,448,395 | ||||||
GAMCO Investors Inc., Class A | 45,500 | 807,170 | ||||||
Greenhill & Co. Inc. | 126,277 | 1,533,003 | ||||||
Hamilton Lane Inc., Class A | 291,560 | 22,756,258 | ||||||
Houlihan Lokey Inc. | 472,080 | 31,737,938 | ||||||
Moelis & Co., Class A | 481,888 | 22,533,083 | ||||||
PJT Partners Inc., Class A(b) | 211,890 | 15,944,722 | ||||||
Pzena Investment Management Inc., Class A | 161,714 | 1,180,512 | ||||||
Siebert Financial Corp.(a) | 94,657 | 397,559 | ||||||
Silvercrest Asset Management Group Inc., Class A | 45,335 | 629,703 | ||||||
StepStone Group Inc., Class A(a) | 78,742 | 3,133,932 | ||||||
StoneX Group Inc.(a) | 11,253 | 651,549 | ||||||
Value Line Inc. | 8,383 | 276,388 | ||||||
Virtus Investment Partners Inc. | 6,092 | 1,321,964 | ||||||
|
| |||||||
| 164,112,595 | ||||||||
| Chemicals — 1.6% | ||||||||
AgroFresh Solutions Inc.(a) | 26,211 | 59,499 | ||||||
3
Schedule of Investments (unaudited) (continued) December 31, 2020 | iShares® Russell 2000 Growth ETF (Percentages shown are based on Net Assets) |
| Security | Shares | Value | ||||||
| Chemicals (continued) | ||||||||
American Vanguard Corp. | 50,517 | $ | 784,024 | |||||
Amyris Inc.(a)(b) | 95,900 | 592,183 | ||||||
Balchem Corp. | 269,128 | 31,008,928 | ||||||
Chase Corp. | 66,889 | 6,756,458 | ||||||
Ferro Corp.(a) | 548,842 | 8,029,558 | ||||||
GCP Applied Technologies Inc.(a)(b) | 351,570 | 8,314,631 | ||||||
Hawkins Inc. | 48,785 | 2,551,943 | ||||||
HB Fuller Co. | 302,613 | 15,699,562 | ||||||
Ingevity Corp.(a) | 377,904 | 28,618,670 | ||||||
Innospec Inc. | 179,833 | 16,316,248 | ||||||
Koppers Holdings Inc.(a) | 116,448 | 3,628,520 | ||||||
Marrone Bio Innovations Inc.(a)(b) | 580,479 | 725,599 | ||||||
Orion Engineered Carbons SA | 303,957 | 5,209,823 | ||||||
PQ Group Holdings Inc. | 57,538 | 820,492 | ||||||
Quaker Chemical Corp. | 121,119 | 30,690,343 | ||||||
Sensient Technologies Corp. | 157,681 | 11,632,127 | ||||||
Stepan Co. | 16,047 | 1,914,728 | ||||||
Trinseo SA | 110,817 | 5,674,939 | ||||||
Tronox Holdings PLC, Class A(a) | 281,902 | 4,121,407 | ||||||
|
| |||||||
| 183,149,682 | ||||||||
| Commercial Services & Supplies — 1.5% | ||||||||
Brady Corp., Class A, NVS | 320,996 | 16,955,009 | ||||||
Brink’s Co. (The)(b) | 448,196 | 32,270,112 | ||||||
Casella Waste Systems Inc., Class A(a)(b) | 383,480 | 23,756,586 | ||||||
Cimpress PLC(a)(b) | 53,648 | 4,707,075 | ||||||
Covanta Holding Corp. | 424,030 | 5,567,514 | ||||||
Healthcare Services Group Inc. | 680,211 | 19,113,929 | ||||||
IBEX Holdings Ltd.(a) | 15,508 | 290,000 | ||||||
Interface Inc. | 95,579 | 1,003,579 | ||||||
McGrath RentCorp. | 123,972 | 8,318,521 | ||||||
Montrose Environmental Group Inc.(a) | 40,509 | 1,254,159 | ||||||
Pitney Bowes Inc. | 614,611 | 3,786,004 | ||||||
Tetra Tech Inc. | 491,030 | 56,851,453 | ||||||
UniFirst Corp./MA(b) | 7,858 | 1,663,460 | ||||||
|
| |||||||
| 175,537,401 | ||||||||
| Communications Equipment — 0.9% | ||||||||
Acacia Communications Inc.(a) | 353,939 | 25,823,390 | ||||||
CalAmp Corp.(a) | 205,351 | 2,037,082 | ||||||
Calix Inc.(a) | 479,473 | 14,269,117 | ||||||
Cambium Networks Corp.(a) | 51,964 | 1,303,257 | ||||||
Casa Systems Inc.(a)(b) | 295,185 | 1,821,292 | ||||||
Clearfield Inc.(a) | 104,056 | 2,572,264 | ||||||
Extreme Networks Inc.(a) | 1,098,572 | 7,569,161 | ||||||
Genasys Inc.(a)(b) | 306,258 | 1,996,802 | ||||||
Infinera Corp.(a)(b) | 738,125 | 7,735,550 | ||||||
Inseego Corp.(a)(b) | 634,420 | 9,814,477 | ||||||
Plantronics Inc. | 102,075 | 2,759,087 | ||||||
Resonant Inc.(a)(b) | 461,379 | 1,222,654 | ||||||
Viavi Solutions Inc.(a)(b) | 2,079,478 | 31,140,183 | ||||||
|
| |||||||
| 110,064,316 | ||||||||
| Construction & Engineering — 0.7% | ||||||||
Ameresco Inc., Class A(a)(b) | 224,950 | 11,751,388 | ||||||
Comfort Systems USA Inc. | 94,674 | 4,985,533 | ||||||
Construction Partners Inc., Class A(a)(b) | 107,056 | 3,116,400 | ||||||
Dycom Industries Inc.(a)(b) | 200,889 | 15,171,137 | ||||||
EMCOR Group Inc. | 41,524 | 3,797,785 | ||||||
Granite Construction Inc. | 47,132 | 1,258,896 | ||||||
HC2 Holdings Inc.(a)(b) | 536,095 | 1,747,670 | ||||||
IES Holdings Inc.(a) | 26,812 | 1,234,424 | ||||||
| Security | Shares | Value | ||||||
| Construction & Engineering (continued) | ||||||||
MasTec Inc.(a)(b) | 36,189 | $ | 2,467,366 | |||||
MYR Group Inc.(a)(b) | 93,769 | 5,635,517 | ||||||
NV5 Global Inc.(a)(b) | 93,044 | 7,330,006 | ||||||
Primoris Services Corp. | 245,453 | 6,776,957 | ||||||
Sterling Construction Co. Inc.(a) | 39,965 | 743,749 | ||||||
WillScot Mobile Mini Holdings Corp.(a)(b) | 510,552 | 11,829,490 | ||||||
|
| |||||||
| 77,846,318 | ||||||||
| Construction Materials — 0.0% | ||||||||
Forterra Inc.(a) | 263,007 | 4,522,405 | ||||||
United State Lime & Minerals Inc. | 967 | 110,238 | ||||||
|
| |||||||
| 4,632,643 | ||||||||
| Consumer Finance — 0.3% | ||||||||
Atlanticus Holdings Corp.(a) | 47,009 | 1,157,832 | ||||||
Curo Group Holdings Corp. | 170,397 | 2,441,789 | ||||||
FirstCash Inc. | 370,663 | 25,961,236 | ||||||
Green Dot Corp., Class A(a) | 39,512 | 2,204,770 | ||||||
Prog Holdings Inc. | 80,863 | 4,356,090 | ||||||
|
| |||||||
| 36,121,717 | ||||||||
| Containers & Packaging — 0.1% | ||||||||
Myers Industries Inc. | 122,835 | 2,552,511 | ||||||
O-I Glass Inc. | 1,102,134 | 13,115,395 | ||||||
Pactiv Evergreen Inc.(a) | 67,052 | 1,216,323 | ||||||
UFP Technologies Inc.(a)(b) | 5,650 | 263,290 | ||||||
|
| |||||||
| 17,147,519 | ||||||||
| Distributors — 0.1% | ||||||||
Core-Mark Holding Co. Inc. | 378,369 | 11,112,697 | ||||||
Greenlane Holdings Inc., Class A(a)(b) | 100,105 | 396,416 | ||||||
|
| |||||||
| 11,509,113 | ||||||||
| Diversified Consumer Services — 0.4% | ||||||||
Aspen Group Inc./CO(a) | 199,554 | 2,221,036 | ||||||
Collectors Universe Inc. | 75,265 | 5,674,981 | ||||||
Franchise Group Inc. | 23,751 | 723,218 | ||||||
Perdoceo Education Corp.(a) | 626,313 | 7,910,333 | ||||||
Strategic Education Inc. | 219,635 | 20,937,804 | ||||||
Universal Technical Institute Inc.(a)(b) | 252,847 | 1,633,392 | ||||||
Vivint Smart Home Inc.(a)(b) | 148,057 | 3,072,183 | ||||||
WW International Inc.(a)(b) | 105,479 | 2,573,688 | ||||||
|
| |||||||
| 44,746,635 | ||||||||
| Diversified Financial Services — 0.0% | ||||||||
GWG Holdings Inc.(a)(b) | 29,795 | 208,267 | ||||||
|
| |||||||
| Diversified Telecommunication Services — 0.9% | ||||||||
Anterix Inc.(a)(b) | 98,297 | 3,695,967 | ||||||
ATN International Inc. | 5,622 | 234,775 | ||||||
Bandwidth Inc., Class A(a)(b) | 174,885 | 26,874,578 | ||||||
Cincinnati Bell Inc.(a) | 145,947 | 2,230,070 | ||||||
Cogent Communications Holdings Inc. | 387,343 | 23,190,225 | ||||||
Consolidated Communications Holdings Inc.(a) | 65,041 | 318,051 | ||||||
IDT Corp., Class B(a) | 113,504 | 1,402,909 | ||||||
Iridium Communications Inc.(a)(b) | 689,931 | 27,131,537 | ||||||
Ooma Inc.(a) | 193,304 | 2,783,578 | ||||||
ORBCOMM Inc.(a) | 90,303 | 670,048 | ||||||
Vonage Holdings Corp.(a)(b) | 1,199,103 | 15,438,451 | ||||||
|
| |||||||
| 103,970,189 | ||||||||
| Electric Utilities — 0.1% | ||||||||
Genie Energy Ltd., Class B | 122,674 | 884,479 | ||||||
MGE Energy Inc. | 88,677 | 6,210,050 | ||||||
Otter Tail Corp. | 122,044 | 5,200,295 | ||||||
4
Schedule of Investments (unaudited) (continued) December 31, 2020 | iShares® Russell 2000 Growth ETF (Percentages shown are based on Net Assets) |
| Security | Shares | Value | ||||||
| Electric Utilities (continued) | ||||||||
Spark Energy Inc., Class A | 110,301 | $ | 1,055,581 | |||||
|
| |||||||
| 13,350,405 | ||||||||
| Electrical Equipment — 2.6% | ||||||||
Allied Motion Technologies Inc.(b) | 60,546 | 3,093,901 | ||||||
Atkore International Group Inc.(a) | 431,067 | �� | 17,721,164 | |||||
Bloom Energy Corp., Class A(a)(b) | 760,292 | 21,789,969 | ||||||
EnerSys | 33,928 | 2,818,060 | ||||||
FuelCell Energy Inc.(a)(b) | 1,739,701 | 19,432,460 | ||||||
Orion Energy Systems Inc.(a)(b) | 248,739 | 2,455,054 | ||||||
Plug Power Inc.(a)(b) | 3,414,593 | 115,788,849 | ||||||
Sunrun Inc.(a)(b) | 1,370,422 | 95,079,878 | ||||||
TPI Composites Inc.(a)(b) | 279,670 | 14,760,982 | ||||||
Vicor Corp.(a)(b) | 175,803 | 16,212,553 | ||||||
|
| |||||||
| 309,152,870 | ||||||||
| Electronic Equipment, Instruments & Components — 2.5% | ||||||||
Akoustis Technologies Inc.(a)(b) | 289,191 | 3,536,806 | ||||||
Badger Meter Inc. | 265,666 | 24,988,544 | ||||||
ePlus Inc.(a)(b) | 100,195 | 8,812,150 | ||||||
Fabrinet(a) | 334,123 | 25,924,604 | ||||||
FARO Technologies Inc.(a)(b) | 149,339 | 10,547,814 | ||||||
Fitbit Inc., Class A(a)(b) | 1,507,151 | 10,248,627 | ||||||
II-VI Inc.(a)(b) | 823,950 | 62,587,242 | ||||||
Insight Enterprises Inc.(a)(b) | 85,281 | 6,489,031 | ||||||
Intellicheck Inc.(a) | 164,822 | 1,879,795 | ||||||
Iteris Inc.(a) | 375,342 | 2,120,682 | ||||||
Itron Inc.(a)(b) | 365,170 | 35,019,803 | ||||||
Luna Innovations Inc.(a) | 269,650 | 2,664,142 | ||||||
Methode Electronics Inc. | 58,765 | 2,249,524 | ||||||
Napco Security Technologies Inc.(a)(b) | 108,411 | 2,842,537 | ||||||
nLight Inc.(a)(b) | 324,545 | 10,596,394 | ||||||
Novanta Inc.(a)(b) | 311,965 | 36,880,502 | ||||||
OSI Systems Inc.(a)(b) | 153,646 | 14,322,880 | ||||||
PAR Technology Corp.(a)(b) | 173,228 | 10,876,986 | ||||||
PC Connection Inc. | 6,780 | 320,626 | ||||||
Plexus Corp.(a) | 212,330 | 16,606,329 | ||||||
Research Frontiers Inc.(a)(b) | 247,084 | 694,306 | ||||||
Rogers Corp.(a)(b) | 30,122 | 4,677,646 | ||||||
Wrap Technologies Inc.(a)(b) | 106,410 | 513,960 | ||||||
|
| |||||||
| 295,400,930 | ||||||||
| Energy Equipment & Services — 0.1% | ||||||||
Aspen Aerogels Inc.(a) | 16,179 | 270,028 | ||||||
Cactus Inc., Class A | 204,435 | 5,329,620 | ||||||
DMC Global Inc.(b) | 62,578 | 2,706,498 | ||||||
|
| |||||||
| 8,306,146 | ||||||||
| Entertainment — 0.2% | ||||||||
Glu Mobile Inc.(a)(b) | 1,330,904 | 11,991,445 | ||||||
Liberty Media Corp.-Liberty Braves, | 56,361 | 1,401,698 | ||||||
Liberty Media Corp.-Liberty Braves, Class C, NVS(a) | 202,562 | 5,039,743 | ||||||
LiveXLive Media Inc.(a) | 66,239 | 217,264 | ||||||
|
| |||||||
| 18,650,150 | ||||||||
| Equity Real Estate Investment Trusts (REITs) — 2.7% | ||||||||
Alexander’s Inc. | 18,651 | 5,172,855 | ||||||
Bluerock Residential Growth REIT Inc. | 74,209 | 940,228 | ||||||
Broadstone Net Lease Inc., Class A | 41,121 | 805,149 | ||||||
CareTrust REIT Inc. | 118,287 | 2,623,606 | ||||||
CatchMark Timber Trust Inc., Class A | 47,198 | 441,773 | ||||||
CIM Commercial Trust Corp. | 103,229 | 1,469,981 | ||||||
Clipper Realty Inc. | 118,704 | 836,863 | ||||||
Community Healthcare Trust Inc. | 202,423 | 9,536,147 | ||||||
| Security | Shares | Value | ||||||
| Equity Real Estate Investment Trusts (REITs) (continued) | ||||||||
Easterly Government Properties Inc. | 744,998 | $ | 16,874,205 | |||||
EastGroup Properties Inc. | 338,678 | 46,757,885 | ||||||
Four Corners Property Trust Inc. | 666,172 | 19,831,940 | ||||||
Gladstone Commercial Corp. | 67,353 | 1,212,354 | ||||||
Gladstone Land Corp. | 83,196 | 1,217,989 | ||||||
Innovative Industrial Properties Inc. | 81,388 | 14,904,584 | ||||||
LTC Properties Inc. | 132,351 | 5,149,777 | ||||||
Monmouth Real Estate Investment Corp. | 766,234 | 13,271,173 | ||||||
National Health Investors Inc. | 127,728 | 8,834,946 | ||||||
National Storage Affiliates Trust | 570,886 | 20,569,023 | ||||||
NETSTREIT Corp. | 10,874 | 211,934 | ||||||
NexPoint Residential Trust Inc. | 30,902 | 1,307,464 | ||||||
Plymouth Industrial REIT Inc. | 217,332 | 3,259,980 | ||||||
PS Business Parks Inc. | 183,203 | 24,342,183 | ||||||
QTS Realty Trust Inc., Class A | 551,309 | 34,115,001 | ||||||
Ryman Hospitality Properties Inc. | 397,570 | 26,939,343 | ||||||
Safehold Inc. | 89,498 | 6,487,710 | ||||||
Saul Centers Inc. | 93,940 | 2,976,019 | ||||||
STAG Industrial Inc. | 110,396 | 3,457,603 | ||||||
Terreno Realty Corp. | 258,599 | 15,130,627 | ||||||
UMH Properties Inc. | 260,818 | 3,862,715 | ||||||
Uniti Group Inc. | 1,761,597 | 20,663,533 | ||||||
Universal Health Realty Income Trust | 101,617 | 6,530,925 | ||||||
|
| |||||||
| 319,735,515 | ||||||||
| Food & Staples Retailing — 0.4% | ||||||||
BJ’s Wholesale Club Holdings Inc.(a)(b) | 1,247,859 | 46,520,183 | ||||||
Natural Grocers by Vitamin Cottage Inc. | 53,090 | 729,457 | ||||||
PriceSmart Inc. | 13,125 | 1,195,556 | ||||||
|
| |||||||
| 48,445,196 | ||||||||
| Food Products — 1.3% | ||||||||
B&G Foods Inc.(b) | 510,319 | 14,151,146 | ||||||
Bridgford Foods Corp.(a)(b) | 7,962 | 145,068 | ||||||
Calavo Growers Inc. | 149,864 | 10,405,057 | ||||||
Cal-Maine Foods Inc.(a)(b) | 112,522 | 4,224,076 | ||||||
Freshpet Inc.(a)(b) | 353,017 | 50,124,884 | ||||||
Hostess Brands Inc.(a)(b) | 506,173 | 7,410,373 | ||||||
J&J Snack Foods Corp. | 36,779 | 5,714,353 | ||||||
John B Sanfilippo & Son Inc. | 78,901 | 6,222,133 | ||||||
Laird Superfood Inc.(a)(b) | 15,112 | 715,100 | ||||||
Lancaster Colony Corp. | 172,885 | 31,764,161 | ||||||
Limoneira Co. | 32,351 | 538,644 | ||||||
Mission Produce Inc.(a)(b) | 33,708 | 507,305 | ||||||
Sanderson Farms Inc. | 142,450 | 18,831,890 | ||||||
Tootsie Roll Industries Inc. | 123,765 | 3,675,820 | ||||||
Vital Farms Inc.(a)(b) | 38,576 | 976,359 | ||||||
|
| |||||||
| 155,406,369 | ||||||||
| Gas Utilities — 0.4% | ||||||||
Brookfield Infrastructure Corp., Class A | 143,021 | 10,340,418 | ||||||
Chesapeake Utilities Corp. | 146,482 | 15,850,817 | ||||||
Northwest Natural Holding Co. | 30,065 | 1,382,689 | ||||||
ONE Gas Inc. | 55,149 | 4,233,789 | ||||||
RGC Resources Inc. | 34,910 | 830,160 | ||||||
South Jersey Industries Inc. | 537,133 | 11,575,216 | ||||||
Southwest Gas Holdings Inc. | 42,177 | 2,562,253 | ||||||
|
| |||||||
| 46,775,342 | ||||||||
| Health Care Equipment & Supplies — 5.8% | ||||||||
Accelerate Diagnostics Inc.(a)(b) | 282,697 | 2,142,843 | ||||||
Accuray Inc.(a)(b) | 833,647 | 3,476,308 | ||||||
Acutus Medical Inc.(a) | 70,067 | 2,018,630 | ||||||
5
Schedule of Investments (unaudited) (continued) December 31, 2020 | iShares® Russell 2000 Growth ETF (Percentages shown are based on Net Assets) |
| Security | Shares | Value | ||||||
| Health Care Equipment & Supplies (continued) | ||||||||
Alphatec Holdings Inc.(a)(b) | 432,656 | $ | 6,282,165 | |||||
Antares Pharma Inc.(a) | 1,493,562 | 5,959,312 | ||||||
Apyx Medical Corp.(a) | 34,927 | 251,474 | ||||||
Aspira Women’s Health Inc.(a)(b) | 681,445 | 4,572,496 | ||||||
AtriCure Inc.(a)(b) | 398,332 | 22,175,142 | ||||||
Atrion Corp. | 12,840 | 8,246,362 | ||||||
Axogen Inc.(a)(b) | 330,967 | 5,924,309 | ||||||
Axonics Modulation Technologies Inc.(a)(b) | 275,435 | 13,749,715 | ||||||
Bellerophon Therapeutics Inc.(a) | 41,148 | 274,457 | ||||||
Beyond Air Inc.(a)(b) | 121,780 | 641,781 | ||||||
BioLife Solutions Inc.(a)(b) | 127,555 | 5,088,169 | ||||||
BioSig Technologies Inc.(a)(b) | 217,076 | 846,596 | ||||||
Cantel Medical Corp. | 345,550 | 27,250,073 | ||||||
Cardiovascular Systems Inc.(a) | 357,537 | 15,645,819 | ||||||
Cerus Corp.(a)(b) | 1,494,381 | 10,341,117 | ||||||
Chembio Diagnostics Inc.(a)(b) | 160,956 | 764,541 | ||||||
Co-Diagnostics Inc.(a)(b) | 247,149 | 2,298,486 | ||||||
CONMED Corp. | 247,474 | 27,717,088 | ||||||
CryoLife Inc.(a)(b) | 276,193 | 6,520,917 | ||||||
CryoPort Inc.(a)(b) | 317,708 | 13,941,027 | ||||||
Cutera Inc.(a) | 160,810 | 3,877,129 | ||||||
CytoSorbents Corp.(a)(b) | 383,007 | 3,052,566 | ||||||
Eargo Inc.(a) | 57,259 | 2,566,348 | ||||||
Electromed Inc.(a) | 64,786 | 635,551 | ||||||
GenMark Diagnostics Inc.(a)(b) | 634,080 | 9,257,568 | ||||||
Glaukos Corp.(a)(b) | 388,961 | 29,273,205 | ||||||
Heska Corp.(a)(b) | 22,976 | 3,346,454 | ||||||
Inari Medical Inc.(a)(b) | 56,462 | 4,928,568 | ||||||
Inogen Inc.(a)(b) | 111,857 | 4,997,771 | ||||||
Integer Holdings Corp.(a)(b) | 187,780 | 15,245,858 | ||||||
Intersect ENT Inc.(a) | 295,585 | 6,768,897 | ||||||
iRadimed Corp.(a) | 53,945 | 1,229,946 | ||||||
iRhythm Technologies Inc.(a)(b) | 263,210 | 62,436,044 | ||||||
Lantheus Holdings Inc.(a)(b) | 603,191 | 8,137,047 | ||||||
LeMaitre Vascular Inc. | 123,204 | 4,989,762 | ||||||
LivaNova PLC(a)(b) | 314,101 | 20,796,627 | ||||||
Meridian Bioscience Inc.(a) | 340,572 | 6,365,291 | ||||||
Merit Medical Systems Inc.(a) | 493,484 | 27,393,297 | ||||||
Mesa Laboratories Inc.(b) | 43,063 | 12,343,578 | ||||||
Milestone Scientific Inc.(a) | 356,619 | 756,032 | ||||||
Misonix Inc.(a)(b) | 46,421 | 580,263 | ||||||
Natus Medical Inc.(a) | 100,250 | 2,009,010 | ||||||
Nemaura Medical Inc.(a) | 62,578 | 235,919 | ||||||
Neogen Corp.(a) | 480,827 | 38,129,581 | ||||||
Nevro Corp.(a)(b) | 309,793 | 53,625,168 | ||||||
NuVasive Inc.(a) | 467,155 | 26,314,841 | ||||||
OraSure Technologies Inc.(a)(b) | 399,008 | 4,223,500 | ||||||
OrthoPediatrics Corp.(a)(b) | 120,961 | 4,989,641 | ||||||
Outset Medical Inc.(a)(b) | 71,144 | 4,043,825 | ||||||
PAVmed Inc.(a)(b) | 333,996 | 708,072 | ||||||
Pulmonx Corp.(a)(b) | 83,175 | 5,740,739 | ||||||
Pulse Biosciences Inc.(a)(b) | 127,582 | 3,044,107 | ||||||
Quotient Ltd.(a)(b) | 654,706 | 3,411,018 | ||||||
Repro-Med Systems Inc.(a)(b) | 247,267 | 1,488,547 | ||||||
Retractable Technologies Inc.(a)(b) | 115,067 | 1,235,820 | ||||||
Rockwell Medical Inc.(a) | 569,846 | 575,544 | ||||||
Shockwave Medical Inc.(a)(b) | 259,079 | 26,871,674 | ||||||
SI-BONE Inc.(a) | 261,876 | 7,830,092 | ||||||
Sientra Inc.(a)(b) | 345,333 | 1,343,345 | ||||||
Silk Road Medical Inc.(a) | 248,443 | 15,646,940 | ||||||
| Security | Shares | Value | ||||||
| Health Care Equipment & Supplies (continued) | ||||||||
Soliton Inc.(a)(b) | 63,782 | $ | 489,846 | |||||
STAAR Surgical Co.(a)(b) | 417,361 | 33,063,338 | ||||||
Stereotaxis Inc.(a) | 411,633 | 2,095,212 | ||||||
Surmodics Inc.(a)(b) | 120,588 | 5,247,990 | ||||||
Tactile Systems Technology Inc.(a)(b) | 169,284 | 7,607,623 | ||||||
Tela Bio Inc.(a) | 61,187 | 920,253 | ||||||
TransMedics Group Inc.(a)(b) | 234,189 | 4,660,361 | ||||||
Utah Medical Products Inc. | 24,963 | 2,104,381 | ||||||
Vapotherm Inc.(a)(b) | 181,350 | 4,871,061 | ||||||
Venus Concept Inc.(a)(b) | 109,445 | 189,340 | ||||||
ViewRay Inc.(a)(b) | 385,038 | 1,470,845 | ||||||
VolitionRx Ltd.(a) | 236,446 | 919,775 | ||||||
Zynex Inc.(a)(b) | 168,488 | 2,267,849 | ||||||
|
| |||||||
| 682,481,886 | ||||||||
| Health Care Providers & Services — 3.8% | ||||||||
1Life Healthcare Inc.(a)(b) | 716,385 | 31,270,205 | ||||||
AdaptHealth Corp.(a) | 230,312 | 8,650,519 | ||||||
Addus HomeCare Corp.(a)(b) | 134,751 | 15,777,995 | ||||||
American Renal Associates Holdings Inc.(a)(b) | 40,173 | 459,981 | ||||||
AMN Healthcare Services Inc.(a) | 425,071 | 29,011,096 | ||||||
Apollo Medical Holdings Inc.(a)(b) | 181,869 | 3,322,747 | ||||||
Avalon GloboCare Corp.(a)(b) | 154,419 | 172,949 | ||||||
Biodesix Inc.(a) | 25,899 | 522,124 | ||||||
BioTelemetry Inc.(a) | 305,608 | 22,028,225 | ||||||
Castle Biosciences Inc.(a) | 108,189 | 7,264,891 | ||||||
CorVel Corp.(a) | 79,641 | 8,441,946 | ||||||
Cross Country Healthcare Inc.(a)(b) | 34,887 | 309,448 | ||||||
Ensign Group Inc. (The) | 470,756 | 34,327,527 | ||||||
Exagen Inc.(a)(b) | 44,470 | 587,004 | ||||||
Fulgent Genetics Inc.(a)(b) | 122,993 | 6,407,935 | ||||||
Hanger Inc.(a) | 39,984 | 879,248 | ||||||
HealthEquity Inc.(a) | 686,464 | 47,853,405 | ||||||
InfuSystem Holdings Inc.(a)(b) | 134,669 | 2,529,084 | ||||||
Joint Corp. (The)(a)(b) | 123,549 | 3,244,397 | ||||||
LHC Group Inc.(a)(b) | 276,632 | 59,011,138 | ||||||
Magellan Health Inc.(a) | 94,826 | 7,855,386 | ||||||
National Research Corp. | 121,720 | 5,203,530 | ||||||
Ontrak Inc.(a) | 73,816 | 4,561,091 | ||||||
Option Care Health Inc.(a) | 378,649 | 5,922,070 | ||||||
Pennant Group Inc. (The)(a)(b) | 232,121 | 13,476,945 | ||||||
PetIQ Inc.(a)(b) | 193,871 | 7,454,340 | ||||||
Progenity Inc.(a)(b) | 28,605 | 151,893 | ||||||
Progyny Inc.(a)(b) | 243,293 | 10,313,190 | ||||||
Providence Service Corp. (The)(a) | 110,052 | 15,256,509 | ||||||
R1 RCM Inc.(a)(b) | 987,999 | 23,731,736 | ||||||
RadNet Inc.(a) | 394,838 | 7,726,980 | ||||||
Select Medical Holdings Corp.(a) | 988,152 | 27,332,284 | ||||||
Sharps Compliance Corp.(a)(b) | 132,948 | 1,256,359 | ||||||
Surgery Partners Inc.(a)(b) | 204,519 | 5,933,096 | ||||||
Tenet Healthcare Corp.(a) | 94,512 | 3,773,864 | ||||||
Tivity Health Inc.(a) | 189,617 | 3,714,597 | ||||||
Triple-S Management Corp., Class B(a) | 17,583 | 375,397 | ||||||
U.S. Physical Therapy Inc. | 115,337 | 13,869,274 | ||||||
Viemed Healthcare Inc.(a) | 317,348 | 2,462,620 | ||||||
|
| |||||||
| 442,443,025 | ||||||||
| Health Care Technology — 1.9% | ||||||||
Accolade Inc.(a)(b) | 97,300 | 4,232,550 | ||||||
Allscripts Healthcare Solutions Inc.(a)(b) | 79,840 | 1,152,889 | ||||||
Evolent Health Inc., Class A(a)(b) | 113,186 | 1,814,371 | ||||||
6
Schedule of Investments (unaudited) (continued) December 31, 2020 | iShares® Russell 2000 Growth ETF (Percentages shown are based on Net Assets) |
| Security | Shares | Value | ||||||
| Health Care Technology (continued) | ||||||||
Health Catalyst Inc.(a)(b) | 306,224 | $ | 13,329,931 | |||||
HMS Holdings Corp.(a) | 802,508 | 29,492,169 | ||||||
Icad Inc.(a) | 187,224 | 2,471,357 | ||||||
Inovalon Holdings Inc., Class A(a)(b) | 680,068 | 12,356,835 | ||||||
Inspire Medical Systems Inc.(a) | 238,519 | 44,863,039 | ||||||
NantHealth Inc.(a)(b) | 251,055 | 810,908 | ||||||
Omnicell Inc.(a)(b) | 387,013 | 46,449,300 | ||||||
OptimizeRx Corp.(a)(b) | 134,125 | 4,179,335 | ||||||
Phreesia Inc.(a) | 302,545 | 16,416,092 | ||||||
Schrodinger Inc.(a) | 274,162 | 21,708,147 | ||||||
Simulations Plus Inc.(b) | 126,515 | 9,098,959 | ||||||
Tabula Rasa HealthCare Inc.(a)(b) | 192,421 | 8,243,316 | ||||||
Vocera Communications Inc.(a)(b) | 292,702 | 12,155,914 | ||||||
|
| |||||||
| 228,775,112 | ||||||||
| Hotels, Restaurants & Leisure — 4.1% | ||||||||
Accel Entertainment Inc.(a)(b) | 453,020 | 4,575,502 | ||||||
Bally’s Corp. | 164,560 | 8,265,849 | ||||||
Bloomin’ Brands Inc. | 796,448 | 15,467,020 | ||||||
Brinker International Inc. | 269,510 | 15,246,181 | ||||||
Caesars Entertainment Inc.(a) | 963,002 | 71,522,159 | ||||||
Churchill Downs Inc. | 346,336 | 67,462,789 | ||||||
Cracker Barrel Old Country Store Inc. | 91,764 | 12,105,507 | ||||||
Dave & Buster’s Entertainment Inc. | 145,223 | 4,359,594 | ||||||
Denny’s Corp.(a)(b) | 373,834 | 5,487,883 | ||||||
Dine Brands Global Inc. | 9,271 | 537,718 | ||||||
El Pollo Loco Holdings Inc.(a)(b) | 11,177 | 202,304 | ||||||
Everi Holdings Inc.(a) | 267,872 | 3,699,312 | ||||||
GAN Ltd.(a)(b) | 173,935 | 3,527,402 | ||||||
Golden Entertainment Inc.(a) | 58,507 | 1,163,704 | ||||||
Hilton Grand Vacations Inc.(a)(b) | 772,881 | 24,229,819 | ||||||
Jack in the Box Inc. | 22,934 | 2,128,275 | ||||||
Lindblad Expeditions Holdings Inc.(a)(b) | 241,490 | 4,134,309 | ||||||
Marriott Vacations Worldwide Corp. | 48,581 | 6,666,285 | ||||||
Monarch Casino & Resort Inc.(a) | 82,603 | 5,056,956 | ||||||
Noodles & Co.(a)(b) | 140,820 | 1,112,478 | ||||||
Papa John’s International Inc. | 253,605 | 21,518,384 | ||||||
Penn National Gaming Inc.(a)(b) | 712,643 | 61,550,976 | ||||||
PlayAGS Inc.(a) | 61,188 | 440,554 | ||||||
Red Rock Resorts Inc., Class A | 448,723 | 11,236,024 | ||||||
Ruth’s Hospitality Group Inc. | 294,117 | 5,214,694 | ||||||
Scientific Games Corp./DE, Class A(a)(b) | 373,391 | 15,491,993 | ||||||
SeaWorld Entertainment Inc.(a) | 200,873 | 6,345,578 | ||||||
Shake Shack Inc., Class A(a)(b) | 319,572 | 27,093,314 | ||||||
Texas Roadhouse Inc. | 598,500 | 46,778,760 | ||||||
Wingstop Inc.(b) | 269,984 | 35,786,379 | ||||||
|
| |||||||
| 488,407,702 | ||||||||
| Household Durables — 2.1% | ||||||||
Casper Sleep Inc.(a)(b) | 43,886 | 269,899 | ||||||
Cavco Industries Inc.(a) | 83,649 | 14,676,217 | ||||||
GoPro Inc., Class A(a)(b) | 991,158 | 8,206,788 | ||||||
Hamilton Beach Brands Holding Co., Class A | 20,921 | 366,327 | ||||||
Helen of Troy Ltd.(a)(b) | 230,526 | 51,220,572 | ||||||
Hooker Furniture Corp. | 6,979 | 225,073 | ||||||
Installed Building Products Inc.(a) | 208,012 | 21,202,663 | ||||||
iRobot Corp.(a)(b) | 251,133 | 20,163,469 | ||||||
KB Home | 119,532 | 4,006,713 | ||||||
Legacy Housing Corp.(a)(b) | 19,185 | 289,885 | ||||||
LGI Homes Inc.(a)(b) | 202,852 | 21,471,884 | ||||||
Lovesac Co. (The)(a)(b) | 88,667 | 3,820,661 | ||||||
| Security | Shares | Value | ||||||
| Household Durables (continued) | ||||||||
Meritage Homes Corp.(a)(b) | 17,853 | $ | 1,478,585 | |||||
Purple Innovation Inc.(a)(b) | 150,882 | 4,970,053 | ||||||
Skyline Champion Corp.(a) | 478,893 | 14,816,949 | ||||||
Sonos Inc.(a)(b) | 734,350 | 17,176,447 | ||||||
Taylor Morrison Home Corp.(a) | 112,072 | 2,874,647 | ||||||
TopBuild Corp.(a)(b) | 301,458 | 55,492,389 | ||||||
Universal Electronics Inc.(a) | 105,281 | 5,523,041 | ||||||
|
| |||||||
| 248,252,262 | ||||||||
| Household Products — 0.3% | ||||||||
Central Garden & Pet Co.(a) | 27,058 | 1,044,709 | ||||||
Central Garden & Pet Co., Class A, NVS(a) | 110,068 | 3,998,771 | ||||||
WD-40 Co. | 116,534 | 30,960,753 | ||||||
|
| |||||||
| 36,004,233 | ||||||||
| Independent Power and Renewable Electricity Producers — 0.4% | ||||||||
Atlantic Power Corp.(a)(b) | 64,157 | 134,730 | ||||||
Brookfield Renewable Corp., Class A | 79,386 | 4,625,822 | ||||||
Clearway Energy Inc., Class A | 64,626 | 1,909,698 | ||||||
Clearway Energy Inc., Class C | 148,547 | 4,743,106 | ||||||
Ormat Technologies Inc.(b) | 364,658 | 32,921,324 | ||||||
Sunnova Energy International Inc.(a)(b) | 59,072 | 2,665,920 | ||||||
|
| |||||||
| 47,000,600 | ||||||||
| Industrial Conglomerates — 0.0% | ||||||||
Raven Industries Inc. | 27,545 | 911,464 | ||||||
|
| |||||||
| Insurance — 1.5% | ||||||||
BRP Group Inc., Class A(a)(b) | 386,525 | 11,584,154 | ||||||
Crawford & Co., Class A, NVS. | 15,890 | 117,427 | ||||||
eHealth Inc.(a)(b) | 234,751 | 16,575,768 | ||||||
FedNat Holding Co. | 7,446 | 44,080 | ||||||
Goosehead Insurance Inc., Class A | 15,371 | 1,917,686 | ||||||
HCI Group Inc. | 12,335 | 645,121 | ||||||
Heritage Insurance Holdings Inc. | 15,198 | 153,956 | ||||||
Investors Title Co. | 1,379 | 210,987 | ||||||
James River Group Holdings Ltd. | 236,886 | 11,642,947 | ||||||
Kinsale Capital Group Inc.(b) | 192,831 | 38,591,268 | ||||||
National General Holdings Corp. | 294,118 | 10,052,953 | ||||||
Palomar Holdings Inc.(a)(b) | 184,686 | 16,407,504 | ||||||
RLI Corp. | 315,375 | 32,846,306 | ||||||
Selectquote Inc.(a) | 81,422 | 1,689,507 | ||||||
Trean Insurance Group Inc.(a) | 15,182 | 198,884 | ||||||
Trupanion Inc.(a)(b) | 273,871 | 32,785,098 | ||||||
Universal Insurance Holdings Inc. | 65,557 | 990,566 | ||||||
|
| |||||||
| 176,454,212 | ||||||||
| Interactive Media & Services — 0.4% | ||||||||
Cargurus Inc.(a)(b) | 799,068 | 25,354,428 | ||||||
Eventbrite Inc., Class A(a)(b) | 584,685 | 10,582,798 | ||||||
EverQuote Inc., Class A(a)(b) | 130,270 | 4,865,585 | ||||||
MediaAlpha Inc., Class A(a) | 67,873 | 2,651,798 | ||||||
QuinStreet Inc.(a) | 141,860 | 3,041,478 | ||||||
Yelp Inc.(a)(b) | 121,237 | 3,960,813 | ||||||
|
| |||||||
| 50,456,900 | ||||||||
| Internet & Direct Marketing Retail — 1.2% | ||||||||
1-800-Flowers.com Inc., Class A(a)(b) | 229,963 | 5,979,038 | ||||||
CarParts.com Inc.(a) | 284,644 | 3,526,739 | ||||||
Magnite Inc.(a) | 547,158 | 16,803,222 | ||||||
Overstock.com Inc.(a)(b) | 318,176 | 15,262,903 | ||||||
PetMed Express Inc. | 181,104 | 5,806,194 | ||||||
Quotient Technology Inc.(a)(b) | 437,552 | 4,121,740 | ||||||
RealReal Inc. (The)(a)(b) | 582,764 | 11,387,208 | ||||||
7
Schedule of Investments (unaudited) (continued) December 31, 2020 | iShares® Russell 2000 Growth ETF (Percentages shown are based on Net Assets) |
| Security | Shares | Value | ||||||
| Internet & Direct Marketing Retail (continued) | ||||||||
Shutterstock Inc. | 199,171 | $ | 14,280,561 | |||||
Stamps.com Inc.(a)(b) | 154,883 | 30,386,496 | ||||||
Stitch Fix Inc., Class A(a)(b) | 464,631 | 27,283,132 | ||||||
Waitr Holdings Inc.(a)(b) | 759,447 | 2,111,263 | ||||||
|
| |||||||
| 136,948,496 | ||||||||
| IT Services — 2.9% | ||||||||
Brightcove Inc.(a) | 363,422 | 6,686,965 | ||||||
Cardtronics PLC, Class A(a) | 237,883 | 8,397,270 | ||||||
Cass Information Systems Inc. | 129,858 | 5,052,775 | ||||||
CSG Systems International Inc. | 297,286 | 13,398,680 | ||||||
Endurance International Group Holdings Inc.(a) | 611,822 | 5,781,718 | ||||||
EVERTEC Inc. | 548,082 | 21,550,584 | ||||||
Evo Payments Inc., Class A(a)(b) | 376,206 | 10,161,324 | ||||||
ExlService Holdings Inc.(a) | 301,314 | 25,650,861 | ||||||
GreenSky Inc., Class A(a)(b) | 578,224 | 2,677,177 | ||||||
Grid Dynamics Holdings Inc.(a) | 242,273 | 3,052,640 | ||||||
GTT Communications Inc.(a)(b) | 296,651 | 1,059,044 | ||||||
Hackett Group Inc. (The) | 202,360 | 2,911,960 | ||||||
I3 Verticals Inc., Class A(a)(b) | 166,725 | 5,535,270 | ||||||
International Money Express Inc.(a) | 257,396 | 3,994,786 | ||||||
KBR Inc. | 158,773 | 4,910,849 | ||||||
Limelight Networks Inc.(a)(b) | 1,075,952 | 4,293,048 | ||||||
LiveRamp Holdings Inc.(a)(b) | 471,504 | 34,509,378 | ||||||
ManTech International Corp./VA, Class A | 106,333 | 9,457,257 | ||||||
MAXIMUS Inc. | 556,864 | 40,756,876 | ||||||
NIC Inc. | 598,838 | 15,467,986 | ||||||
Paysign Inc.(a)(b) | 286,722 | 1,330,390 | ||||||
Perficient Inc.(a) | 295,862 | 14,097,824 | ||||||
Perspecta Inc. | 1,048,732 | 25,253,467 | ||||||
PFSweb Inc.(a) | 106,950 | 719,774 | ||||||
Priority Technology Holdings Inc.(a) | 61,382 | 432,129 | ||||||
Rackspace Technology Inc.(a)(b) | 258,585 | 4,928,630 | ||||||
Replay Holding Corp.(a)(b) | 554,456 | 15,108,926 | ||||||
Sykes Enterprises Inc.(a) | 20,018 | 754,078 | ||||||
TTEC Holdings Inc. | 165,409 | 12,063,278 | ||||||
Tucows Inc., Class A(a)(b) | 86,622 | 6,400,500 | ||||||
Unisys Corp.(a)(b) | 55,883 | 1,099,777 | ||||||
Verra Mobility Corp.(a)(b) | 1,217,295 | 16,336,099 | ||||||
Virtusa Corp.(a) | 265,228 | 13,561,108 | ||||||
|
| |||||||
| 337,392,428 | ||||||||
| Leisure Products — 0.7% | ||||||||
Acushnet Holdings Corp. | 74,789 | 3,031,946 | ||||||
Clarus Corp. | 14,636 | 225,394 | ||||||
Johnson Outdoors Inc., Class A | 23,535 | 2,650,747 | ||||||
Malibu Boats Inc., Class A(a)(b) | 186,859 | 11,667,476 | ||||||
Marine Products Corp. | 67,401 | 980,011 | ||||||
MasterCraft Boat Holdings Inc.(a) | 168,426 | 4,183,702 | ||||||
Sturm Ruger & Co. Inc. | 136,493 | 8,881,600 | ||||||
YETI Holdings Inc.(a)(b) | 728,945 | 49,910,864 | ||||||
|
| |||||||
| 81,531,740 | ||||||||
| Life Sciences Tools & Services — 1.6% | ||||||||
Champions Oncology Inc.(a) | 67,193 | 725,013 | ||||||
ChromaDex Corp.(a)(b) | 379,535 | 1,821,768 | ||||||
Codexis Inc.(a)(b) | 488,499 | 10,663,933 | ||||||
Contra Aduro Biotech I(c) | 105,692 | 317,076 | ||||||
Fluidigm Corp.(a) | 53,231 | 319,386 | ||||||
Luminex Corp. | 391,330 | 9,047,550 | ||||||
Medpace Holdings Inc.(a)(b) | 251,691 | 35,035,387 | ||||||
NanoString Technologies Inc.(a) | 348,497 | 23,307,479 | ||||||
| Security | Shares | Value | ||||||
| Life Sciences Tools & Services (continued) | ||||||||
NeoGenomics Inc.(a)(b) | 955,310 | $ | 51,433,890 | |||||
Pacific Biosciences of California Inc.(a) | 1,410,850 | 36,597,449 | ||||||
Personalis Inc.(a)(b) | 218,624 | 8,003,825 | ||||||
Quanterix Corp.(a) | 191,272 | 8,894,148 | ||||||
|
| |||||||
| 186,166,904 | ||||||||
| Machinery — 3.0% | ||||||||
Alamo Group Inc. | 72,699 | 10,028,827 | ||||||
Albany International Corp., Class A | 230,348 | 16,912,150 | ||||||
Blue Bird Corp.(a) | 55,311 | 1,009,979 | ||||||
Douglas Dynamics Inc. | 188,495 | 8,061,931 | ||||||
Energy Recovery Inc.(a)(b) | 366,276 | 4,996,005 | ||||||
Enerpac Tool Group Corp.(b) | 183,031 | 4,138,331 | ||||||
ESCO Technologies Inc. | 214,196 | 22,109,311 | ||||||
Evoqua Water Technologies Corp.(a) | 830,923 | 22,418,302 | ||||||
ExOne Co. (The)(a) | 79,953 | 758,754 | ||||||
Federal Signal Corp. | 502,147 | 16,656,216 | ||||||
Franklin Electric Co. Inc. | 389,823 | 26,979,650 | ||||||
Gencor Industries Inc.(a) | 12,650 | 155,595 | ||||||
Gorman-Rupp Co. (The) | 24,257 | 787,140 | ||||||
Helios Technologies Inc. | 125,253 | 6,674,732 | ||||||
John Bean Technologies Corp.(b) | 285,293 | 32,486,314 | ||||||
Kadant Inc. | 103,891 | 14,646,553 | ||||||
Lindsay Corp. | 98,697 | 12,678,617 | ||||||
Luxfer Holdings PLC | 13,810 | 226,760 | ||||||
Meritor Inc.(a)(b) | 482,994 | 13,480,363 | ||||||
Mueller Water Products Inc., Class A | 86,128 | 1,066,265 | ||||||
Omega Flex Inc. | 26,992 | 3,940,832 | ||||||
Proto Labs Inc.(a)(b) | 243,624 | 37,371,922 | ||||||
RBC Bearings Inc.(a)(b) | 224,433 | 40,182,484 | ||||||
REV Group Inc. | 28,137 | 247,887 | ||||||
Rexnord Corp. | 83,889 | 3,312,777 | ||||||
Shyft Group Inc. (The) | 313,755 | 8,904,367 | ||||||
SPX Corp.(a) | 289,945 | 15,813,600 | ||||||
Tennant Co. | 165,879 | 11,639,729 | ||||||
Watts Water Technologies Inc., Class A | 110,635 | 13,464,279 | ||||||
Welbilt Inc.(a) | 341,206 | 4,503,919 | ||||||
|
| |||||||
| 355,653,591 | ||||||||
| Media — 0.6% | ||||||||
AMC Networks Inc., Class A(a)(b) | 103,936 | 3,717,791 | ||||||
Cardlytics Inc.(a)(b) | 238,432 | 34,040,937 | ||||||
Daily Journal Corp.(a)(b) | 8,340 | 3,369,360 | ||||||
Gray Television Inc.(a) | 236,305 | 4,227,496 | ||||||
Loral Space & Communications Inc. | 25,715 | 539,758 | ||||||
Meredith Corp. | 186,760 | 3,585,792 | ||||||
TechTarget Inc.(a)(b) | 217,294 | 12,844,248 | ||||||
WideOpenWest Inc.(a) | 243,608 | 2,599,297 | ||||||
|
| |||||||
| 64,924,679 | ||||||||
| Metals & Mining — 0.4% | ||||||||
Caledonia Mining Corp. PLC | 34,192 | 542,969 | ||||||
Compass Minerals International Inc. | 310,984 | 19,193,932 | ||||||
Gatos Silver Inc.(a)(b) | 56,011 | 729,823 | ||||||
Materion Corp. | 58,019 | 3,696,971 | ||||||
NovaGold Resources Inc.(a)(b) | 2,018,616 | 19,520,017 | ||||||
|
| |||||||
| 43,683,712 | ||||||||
| Mortgage Real Estate Investment — 0.0% | ||||||||
Hannon Armstrong Sustainable Infrastructure Capital Inc. | 33,644 | 2,134,039 | ||||||
|
| |||||||
8
Schedule of Investments (unaudited) (continued) December 31, 2020 | iShares® Russell 2000 Growth ETF (Percentages shown are based on Net Assets) |
| Security | Shares | Value | ||||||
| Multiline Retail — 0.0% | ||||||||
Big Lots Inc. | 28,873 | $ | 1,239,518 | |||||
|
| |||||||
| Oil, Gas & Consumable Fuels — 0.1% | ||||||||
Ardmore Shipping Corp. | 51,367 | 167,970 | ||||||
Contango Oil & Gas Co.(a)(b) | 143,600 | 328,844 | ||||||
Dorian LPG Ltd.(a)(b) | 45,199 | 550,976 | ||||||
Goodrich Petroleum Corp.(a) | 50,954 | 514,126 | ||||||
Magnolia Oil & Gas Corp., Class A(a)(b) | 1,025,344 | 7,238,928 | ||||||
NextDecade Corp.(a) | 10,168 | 21,251 | ||||||
Uranium Energy Corp.(a)(b) | 603,963 | 1,062,975 | ||||||
|
| |||||||
| 9,885,070 | ||||||||
| Paper & Forest Products — 0.3% | ||||||||
Louisiana-Pacific Corp. | 1,001,083 | 37,210,255 | ||||||
|
| |||||||
| Personal Products — 0.5% | ||||||||
elf Beauty Inc.(a)(b) | 410,375 | 10,337,346 | ||||||
Inter Parfums Inc. | 161,548 | 9,772,038 | ||||||
Lifevantage Corp.(a)(b) | 127,619 | 1,189,409 | ||||||
Medifast Inc. | 102,930 | 20,209,276 | ||||||
USANA Health Sciences Inc.(a)(b) | 105,186 | 8,109,841 | ||||||
Veru Inc.(a)(b) | 484,167 | 4,188,045 | ||||||
|
| |||||||
| 53,805,955 | ||||||||
| Pharmaceuticals — 2.5% | ||||||||
AcelRx Pharmaceuticals Inc.(a) | 162,056 | 200,949 | ||||||
Aerie Pharmaceuticals Inc.(a)(b) | 341,346 | 4,611,584 | ||||||
Agile Therapeutics Inc.(a)(b) | 588,762 | 1,689,747 | ||||||
Amneal Pharmaceuticals Inc.(a)(b) | 900,507 | 4,115,317 | ||||||
Amphastar Pharmaceuticals Inc.(a)(b) | 330,744 | 6,651,262 | ||||||
ANI Pharmaceuticals Inc.(a) | 46,097 | 1,338,657 | ||||||
Aquestive Therapeutics Inc.(a)(b) | 185,044 | 989,985 | ||||||
Arvinas Inc.(a)(b) | 314,739 | 26,730,783 | ||||||
Atea Pharmaceuticals Inc.(a) | 103,605 | 4,328,617 | ||||||
Athira Pharma Inc.(a) | 91,242 | 3,125,038 | ||||||
Avenue Therapeutics Inc.(a)(b) | 62,053 | 369,215 | ||||||
Axsome Therapeutics Inc.(a)(b) | 252,441 | 20,566,368 | ||||||
BioDelivery Sciences International | 814,053 | 3,419,023 | ||||||
Cara Therapeutics Inc.(a) | 381,528 | 5,772,519 | ||||||
Cassava Sciences Inc.(a)(b) | 103,771 | 707,718 | ||||||
Cerecor Inc.(a) | 322,781 | 852,142 | ||||||
Chiasma Inc.(a) | 452,251 | 1,967,292 | ||||||
Collegium Pharmaceutical Inc.(a)(b) | 317,326 | 6,356,040 | ||||||
Corcept Therapeutics Inc.(a)(b) | 886,771 | 23,197,929 | ||||||
CorMedix Inc.(a) | 256,776 | 1,907,846 | ||||||
Durect Corp.(a)(b) | 1,871,893 | 3,874,819 | ||||||
Eloxx Pharmaceuticals Inc.(a)(b) | 248,138 | 987,589 | ||||||
Endo International PLC(a)(b) | 896,083 | 6,433,876 | ||||||
Eton Pharmaceuticals Inc.(a)(b) | 153,144 | 1,245,061 | ||||||
Evofem Biosciences Inc.(a)(b) | 643,889 | 1,551,772 | ||||||
Evolus Inc.(a)(b) | 85,348 | 286,769 | ||||||
Fulcrum Therapeutics Inc.(a)(b) | 131,264 | 1,537,101 | ||||||
Graybug Vision Inc.(a)(b) | 45,386 | 1,317,102 | ||||||
Harmony Biosciences Holdings Inc.(a)(b) | 42,606 | 1,540,207 | ||||||
Harrow Health Inc.(a)(b) | 208,405 | 1,429,658 | ||||||
IMARA Inc.(a)(b) | 67,878 | 1,496,710 | ||||||
Innoviva Inc.(a)(b) | 575,668 | 7,132,527 | ||||||
Intra-Cellular Therapies Inc.(a)(b) | 229,117 | 7,285,921 | ||||||
Kala Pharmaceuticals Inc.(a)(b) | 363,965 | 2,467,683 | ||||||
Kaleido Biosciences Inc.(a)(b) | 106,373 | 967,994 | ||||||
Liquidia Corp.(a)(b) | 241,771 | 713,224 | ||||||
Lyra Therapeutics Inc.(a) | 54,404 | 620,206 | ||||||
| Security | Shares | Value | ||||||
| Pharmaceuticals (continued) | ||||||||
Marinus Pharmaceuticals Inc.(a) | 229,482 | $ | 2,799,680 | |||||
NGM Biopharmaceuticals Inc.(a)(b) | 202,805 | 6,143,977 | ||||||
Ocular Therapeutix Inc.(a)(b) | 624,275 | 12,922,492 | ||||||
Odonate Therapeutics Inc.(a) | 140,890 | 2,705,088 | ||||||
Omeros Corp.(a)(b) | 545,582 | 7,793,639 | ||||||
Optinose Inc.(a)(b) | 320,575 | 1,327,180 | ||||||
Osmotica Pharmaceuticals PLC(a)(b) | 84,236 | 347,052 | ||||||
Pacira BioSciences Inc.(a)(b) | 388,233 | 23,231,863 | ||||||
Paratek Pharmaceuticals Inc.(a)(b) | 373,341 | 2,337,115 | ||||||
Phathom Pharmaceuticals Inc.(a)(b) | 97,980 | 3,254,896 | ||||||
Phibro Animal Health Corp., Class A | 171,215 | 3,324,995 | ||||||
Pliant Therapeutics Inc.(a) | 76,841 | 1,745,828 | ||||||
Prestige Consumer Healthcare Inc.(a)(b) | 160,310 | 5,590,010 | ||||||
Provention Bio Inc.(a)(b) | 433,649 | 7,346,014 | ||||||
Recro Pharma Inc.(a) | 180,463 | 514,320 | ||||||
Relmada Therapeutics Inc.(a) | 132,624 | 4,253,252 | ||||||
Revance Therapeutics Inc.(a)(b) | 440,255 | 12,476,827 | ||||||
Satsuma Pharmaceuticals Inc.(a)(b) | 88,273 | 406,939 | ||||||
scPharmaceuticals Inc.(a) | 64,200 | 339,618 | ||||||
SIGA Technologies Inc.(a)(b) | 475,846 | 3,459,400 | ||||||
Strongbridge Biopharma PLC(a) | 359,476 | 873,527 | ||||||
Supernus Pharmaceuticals Inc.(a)(b) | 101,304 | 2,548,809 | ||||||
Tarsus Pharmaceuticals Inc.(a)(b) | 43,470 | 1,796,615 | ||||||
TherapeuticsMD Inc.(a)(b) | 1,972,921 | 2,387,234 | ||||||
Theravance Biopharma Inc.(a)(b) | 364,397 | 6,475,335 | ||||||
Tricida Inc.(a)(b) | 257,049 | 1,812,195 | ||||||
Verrica Pharmaceuticals Inc.(a)(b) | 115,838 | 1,333,295 | ||||||
VYNE Therapeutics Inc.(a)(b) | 196,401 | 310,314 | ||||||
WaVe Life Sciences Ltd.(a) | 295,307 | 2,324,066 | ||||||
Xeris Pharmaceuticals Inc.(a)(b) | 384,943 | 1,893,920 | ||||||
Zogenix Inc.(a)(b) | 505,531 | 10,105,565 | ||||||
|
| |||||||
| 293,967,310 | ||||||||
| Professional Services — 1.5% | ||||||||
Akerna Corp.(a)(b) | 147,771 | 478,778 | ||||||
ASGN Inc.(a)(b) | 383,285 | 32,015,796 | ||||||
Barrett Business Services Inc. | 5,068 | 345,688 | ||||||
CBIZ Inc.(a) | 73,633 | 1,959,374 | ||||||
CRA International Inc. | 52,914 | 2,694,910 | ||||||
Exponent Inc. | 468,114 | 42,144,304 | ||||||
Forrester Research Inc.(a) | 101,543 | 4,254,652 | ||||||
Franklin Covey Co.(a) | 116,637 | 2,597,506 | ||||||
Huron Consulting Group Inc.(a)(b) | 18,973 | 1,118,458 | ||||||
ICF International Inc. | 81,595 | 6,064,956 | ||||||
Insperity Inc. | 162,656 | 13,243,452 | ||||||
Kforce Inc. | 178,872 | 7,528,723 | ||||||
Mastech Digital Inc.(a) | 36,319 | 577,472 | ||||||
Red Violet Inc.(a)(b) | 60,351 | 1,575,765 | ||||||
TriNet Group Inc.(a)(b) | 375,135 | 30,235,881 | ||||||
Upwork Inc.(a)(b) | 845,210 | 29,176,649 | ||||||
Willdan Group Inc.(a)(b) | 66,639 | 2,778,846 | ||||||
|
| |||||||
| 178,791,210 | ||||||||
| Real Estate Management & Development — 0.8% | ||||||||
Altisource Portfolio Solutions SA(a)(b) | 6,548 | 84,338 | ||||||
Cushman & Wakefield PLC(a)(b) | 348,904 | 5,174,246 | ||||||
eXp World Holdings Inc.(a)(b) | 226,948 | 14,324,958 | ||||||
Fathom Holdings Inc.(a)(b) | 13,718 | 494,397 | ||||||
Indus Realty Trust Inc. | 18,955 | 1,184,687 | ||||||
Marcus & Millichap Inc.(a) | 19,478 | 725,166 | ||||||
Maui Land & Pineapple Co. Inc.(a)(b) | 31,532 | 363,564 | ||||||
9
Schedule of Investments (unaudited) (continued) December 31, 2020 | iShares® Russell 2000 Growth ETF (Percentages shown are based on Net Assets) |
| Security | Shares | Value | ||||||
| Real Estate Management & Development (continued) | ||||||||
Redfin Corp.(a)(b) | 908,647 | $ | 62,360,444 | |||||
RMR Group Inc. (The), Class A | 125,294 | 4,838,854 | ||||||
St. Joe Co. (The) | 150,191 | 6,375,608 | ||||||
|
| |||||||
| 95,926,262 | ||||||||
| Road & Rail — 0.8% | ||||||||
Avis Budget Group Inc.(a) | 479,192 | 17,873,862 | ||||||
Daseke Inc.(a)(b) | 424,640 | 2,467,158 | ||||||
Marten Transport Ltd. | 261,179 | 4,500,114 | ||||||
PAM Transportation Services Inc.(a) | 2,661 | 130,389 | ||||||
Saia Inc.(a)(b) | 239,512 | 43,303,770 | ||||||
Universal Logistics Holdings Inc. | 49,538 | 1,019,987 | ||||||
Werner Enterprises Inc. | 491,498 | 19,276,552 | ||||||
|
| |||||||
| 88,571,832 | ||||||||
| Semiconductors & Semiconductor Equipment — 4.4% | ||||||||
Advanced Energy Industries Inc.(a)(b) | 345,944 | 33,546,190 | ||||||
Ambarella Inc.(a)(b) | 90,669 | 8,325,228 | ||||||
Amkor Technology Inc. | 154,309 | 2,326,980 | ||||||
Atomera Inc.(a)(b) | 156,511 | 2,518,262 | ||||||
Axcelis Technologies Inc.(a) | 277,604 | 8,083,828 | ||||||
Brooks Automation Inc.(b) | 661,782 | 44,901,909 | ||||||
CEVA Inc.(a) | 199,271 | 9,066,831 | ||||||
CMC Materials Inc. | 264,477 | 40,015,370 | ||||||
Cohu Inc. | 24,117 | 920,787 | ||||||
CyberOptics Corp.(a) | 64,590 | 1,465,547 | ||||||
Diodes Inc.(a) | 68,303 | 4,815,362 | ||||||
DSP Group Inc.(a)(b) | 185,494 | 3,077,345 | ||||||
FormFactor Inc.(a) | 703,271 | 30,254,718 | ||||||
Ichor Holdings Ltd.(a) | 204,733 | 6,171,676 | ||||||
Impinj Inc.(a)(b) | 156,295 | 6,544,072 | ||||||
Lattice Semiconductor Corp.(a)(b) | 1,238,918 | 56,767,223 | ||||||
MACOM Technology Solutions Holdings Inc.(a) | 427,778 | 23,544,901 | ||||||
Maxeon Solar Technologies Ltd.(a)(b) | 63,186 | 1,792,587 | ||||||
MaxLinear Inc.(a)(b) | 373,010 | 14,245,252 | ||||||
NeoPhotonics Corp.(a)(b) | 311,468 | 2,831,244 | ||||||
NVE Corp. | 39,412 | 2,214,166 | ||||||
Onto Innovation Inc.(a)(b) | 105,950 | 5,037,923 | ||||||
PDF Solutions Inc.(a)(b) | 242,474 | 5,237,438 | ||||||
Pixelworks Inc.(a) | 309,439 | 872,618 | ||||||
Power Integrations Inc.(b) | 537,349 | 43,987,389 | ||||||
Semtech Corp.(a) | 588,167 | 42,400,959 | ||||||
Silicon Laboratories Inc.(a) | 394,933 | 50,290,768 | ||||||
SiTime Corp.(a)(b) | 85,059 | 9,520,654 | ||||||
SMART Global Holdings Inc.(a)(b) | 125,167 | 4,710,034 | ||||||
SunPower Corp.(a)(b) | 483,653 | 12,400,863 | ||||||
Synaptics Inc.(a)(b) | 296,918 | 28,622,895 | ||||||
Ultra Clean Holdings Inc.(a) | 364,869 | 11,365,669 | ||||||
|
| |||||||
| 517,876,688 | ||||||||
| Software — 10.4% | ||||||||
8x8 Inc.(a) | 963,156 | 33,199,987 | ||||||
A10 Networks Inc.(a) | 544,084 | 5,364,668 | ||||||
ACI Worldwide Inc.(a) | 1,043,500 | 40,101,705 | ||||||
Agilysys Inc.(a) | 173,277 | 6,650,371 | ||||||
Alarm.com Holdings Inc.(a)(b) | 433,191 | 44,813,609 | ||||||
Altair Engineering Inc., Class A(a)(b) | 394,433 | 22,948,112 | ||||||
American Software Inc./GA, Class A | 275,211 | 4,725,373 | ||||||
Appfolio Inc., Class A(a)(b) | 148,730 | 26,777,349 | ||||||
Appian Corp., Class A(a)(b) | 324,266 | 52,560,276 | ||||||
Avaya Holdings Corp.(a)(b) | 753,053 | 14,420,965 | ||||||
Benefitfocus Inc.(a)(b) | 270,947 | 3,923,313 | ||||||
| Security | Shares | Value | ||||||
| Software (continued) | ||||||||
Blackbaud Inc. | 450,049 | $ | 25,904,820 | |||||
Blackline Inc.(a)(b) | 464,410 | 61,943,006 | ||||||
Bottomline Technologies DE Inc.(a) | 403,318 | 21,270,991 | ||||||
Box Inc., Class A(a)(b) | 1,291,621 | 23,313,759 | ||||||
ChannelAdvisor Corp.(a) | 255,874 | 4,088,867 | ||||||
Cloudera Inc.(a)(b) | 907,322 | 12,620,849 | ||||||
CommVault Systems Inc.(a)(b) | 384,743 | 21,303,220 | ||||||
Cornerstone OnDemand Inc.(a) | 558,984 | 24,617,655 | ||||||
Digimarc Corp.(a)(b) | 102,930 | 4,862,413 | ||||||
Digital Turbine Inc.(a) | 766,063 | 43,328,523 | ||||||
Domo Inc., Class B(a)(b) | 237,895 | 15,170,564 | ||||||
Ebix Inc. | 135,943 | 5,161,756 | ||||||
eGain Corp.(a) | 70,625 | 834,081 | ||||||
Envestnet Inc.(a)(b) | 483,839 | 39,815,111 | ||||||
Intelligent Systems Corp.(a)(b) | 69,213 | 2,776,133 | ||||||
InterDigital Inc. | 87,451 | 5,306,527 | ||||||
j2 Global Inc.(a) | 394,964 | 38,584,033 | ||||||
LivePerson Inc.(a)(b) | 568,015 | 35,347,574 | ||||||
MicroStrategy Inc., Class A(a)(b) | 41,874 | 16,270,143 | ||||||
Mimecast Ltd.(a) | 520,365 | 29,577,547 | ||||||
Mitek Systems Inc.(a)(b) | 367,237 | 6,529,474 | ||||||
Model N Inc.(a)(b) | 310,496 | 11,078,497 | ||||||
OneSpan Inc.(a) | 307,577 | 6,360,692 | ||||||
Park City Group Inc.(a) | 23,890 | 114,433 | ||||||
Ping Identity Holding Corp.(a)(b) | 341,777 | 9,788,493 | ||||||
Progress Software Corp. | 408,485 | 18,459,437 | ||||||
PROS Holdings Inc.(a)(b) | 357,491 | 18,149,818 | ||||||
Q2 Holdings Inc.(a)(b) | 458,944 | 58,070,184 | ||||||
QAD Inc., Class A(b) | 106,303 | 6,716,224 | ||||||
Qualys Inc.(a)(b) | 310,199 | 37,803,952 | ||||||
Rapid7 Inc.(a)(b) | 470,949 | 42,460,762 | ||||||
Rimini Street Inc.(a) | 216,560 | 959,361 | ||||||
SailPoint Technologies Holdings Inc.(a)(b) | 802,301 | 42,714,505 | ||||||
Sapiens International Corp. NV. | 248,592 | 7,609,401 | ||||||
SecureWorks Corp., Class A(a)(b) | 9,864 | 140,266 | ||||||
ShotSpotter Inc.(a)(b) | 74,955 | 2,825,804 | ||||||
Smith Micro Software Inc.(a) | 311,373 | 1,687,642 | ||||||
Sprout Social Inc., Class A(a)(b) | 253,624 | 11,517,066 | ||||||
SPS Commerce Inc.(a)(b) | 323,564 | 35,135,815 | ||||||
Sumo Logic Inc.(a)(b) | 102,221 | 2,921,476 | ||||||
SVMK Inc.(a)(b) | 1,118,787 | 28,585,008 | ||||||
Telenav Inc.(a) | 119,261 | 560,527 | ||||||
Tenable Holdings Inc.(a) | 649,508 | 33,943,288 | ||||||
Upland Software Inc.(a) | 240,867 | 11,053,387 | ||||||
Varonis Systems Inc.(a)(b) | 284,130 | 46,486,509 | ||||||
Verint Systems Inc.(a)(b) | 265,157 | 17,813,247 | ||||||
Veritone Inc.(a) | 212,996 | 6,059,736 | ||||||
VirnetX Holding Corp. | 305,365 | 1,539,040 | ||||||
Workiva Inc.(a)(b) | 361,964 | 33,163,142 | ||||||
Xperi Holding Corp. | 69,739 | 1,457,545 | ||||||
Yext Inc.(a)(b) | 942,629 | 14,818,128 | ||||||
Zix Corp.(a)(b) | 496,865 | 4,287,945 | ||||||
Zuora Inc., Class A(a)(b) | 914,125 | 12,733,761 | ||||||
|
| |||||||
| 1,221,127,865 | ||||||||
| Specialty Retail — 2.1% | ||||||||
Aaron’s Co. Inc. (The)(a) | 40,431 | 766,572 | ||||||
Academy Sports & Outdoors Inc.(a)(b) | 29,073 | 602,683 | ||||||
America’s Car-Mart Inc./TX(a)(b) | 44,245 | 4,859,871 | ||||||
Asbury Automotive Group Inc.(a) | 68,605 | 9,998,493 | ||||||
Boot Barn Holdings Inc.(a)(b) | 237,548 | 10,300,081 | ||||||
10
Schedule of Investments (unaudited) (continued) December 31, 2020 | iShares® Russell 2000 Growth ETF (Percentages shown are based on Net Assets) |
| Security | Shares | Value | ||||||
| Specialty Retail (continued) | ||||||||
Camping World Holdings Inc., Class A | 298,292 | $ | 7,770,507 | |||||
Children’s Place Inc. (The) | 90,272 | 4,522,627 | ||||||
Envela Corp.(a) | 61,008 | 317,242 | ||||||
GrowGeneration Corp.(a)(b) | 335,080 | 13,476,918 | ||||||
Lithia Motors Inc., Class A(b) | 115,929 | 33,928,940 | ||||||
Lumber Liquidators Holdings Inc.(a) | 36,433 | 1,119,950 | ||||||
Monro Inc. | 147,169 | 7,844,108 | ||||||
Murphy USA Inc. | 245,989 | 32,192,580 | ||||||
National Vision Holdings Inc.(a)(b) | 606,768 | 27,480,523 | ||||||
OneWater Marine Inc., Class A(a) | 76,601 | 2,228,323 | ||||||
Rent-A-Center Inc./TX | 391,019 | 14,972,117 | ||||||
RH(a)(b) | 143,692 | 64,305,044 | ||||||
Sleep Number Corp.(a)(b) | 95,882 | 7,848,901 | ||||||
Sportsman’s Warehouse Holdings Inc.(a) | 395,845 | 6,947,080 | ||||||
Winmark Corp. | 7,548 | 1,402,418 | ||||||
|
| |||||||
| 252,884,978 | ||||||||
| Technology Hardware, Storage & Peripherals — 0.1% | ||||||||
Avid Technology Inc.(a)(b) | 290,434 | 4,609,187 | ||||||
Corsair Gaming Inc.(a)(b) | 77,353 | 2,801,726 | ||||||
Diebold Nixdorf Inc.(a) | 260,832 | 2,780,469 | ||||||
Immersion Corp.(a)(b) | 111,006 | 1,253,258 | ||||||
Intevac Inc.(a) | 50,215 | 362,050 | ||||||
Quantum Corp.(a) | 49,552 | 303,258 | ||||||
Super Micro Computer Inc.(a)(b) | 115,295 | 3,650,240 | ||||||
|
| |||||||
| 15,760,188 | ||||||||
| Textiles, Apparel & Luxury Goods — 1.0% | ||||||||
Crocs Inc.(a) | 608,010 | 38,097,906 | ||||||
Deckers Outdoor Corp.(a) | 255,014 | 73,132,915 | ||||||
Steven Madden Ltd. | 328,406 | 11,599,300 | ||||||
Superior Group of Companies Inc. | 15,975 | 371,259 | ||||||
|
| |||||||
| 123,201,380 | ||||||||
| Thrifts & Mortgage Finance — 0.1% | ||||||||
Axos Financial Inc.(a)(b) | 37,918 | 1,423,063 | ||||||
Columbia Financial Inc.(a)(b) | 120,703 | 1,878,139 | ||||||
Federal Agricultural Mortgage Corp., Class C, NVS | 19,377 | 1,438,742 | ||||||
FS Bancorp. Inc. | 3,989 | 218,597 | ||||||
Greene County Bancorp. Inc. | 3,892 | 99,207 | ||||||
Hingham Institution For Savings (The) | 846 | 182,736 | ||||||
Kearny Financial Corp./MD | 185,590 | 1,959,830 | ||||||
Luther Burbank Corp. | 9,834 | 96,373 | ||||||
NMI Holdings Inc., Class A(a)(b) | 41,490 | 939,749 | ||||||
PennyMac Financial Services Inc. | 46,568 | 3,055,792 | ||||||
Walker & Dunlop Inc. | 22,991 | 2,115,632 | ||||||
Waterstone Financial Inc. | 11,046 | 207,886 | ||||||
|
| |||||||
| 13,615,746 | ||||||||
| Tobacco — 0.1% | ||||||||
Turning Point Brands Inc.(b) | 110,033 | 4,903,070 | ||||||
Vector Group Ltd. | 145,532 | 1,695,448 | ||||||
|
| |||||||
| 6,598,518 | ||||||||
| Trading Companies & Distributors — 0.7% | ||||||||
Applied Industrial Technologies Inc. | 138,699 | 10,817,135 | ||||||
Boise Cascade Co. | 62,199 | 2,973,112 | ||||||
| Security | Shares | Value | ||||||
| ||||||||
| Trading Companies & Distributors (continued) | ||||||||
CAI International Inc. | 27,819 | $ | 869,066 | |||||
EVI Industries Inc.(a)(b) | 45,175 | 1,351,636 | ||||||
Foundation Building Materials Inc.(a) | 40,447 | 776,987 | ||||||
Herc Holdings Inc.(a) | 12,458 | 827,336 | ||||||
Lawson Products Inc./DE(a) | 25,001 | 1,272,801 | ||||||
SiteOne Landscape Supply Inc.(a)(b) | 400,370 | 63,510,693 | ||||||
Systemax Inc. | 75,113 | 2,695,806 | ||||||
Transcat Inc.(a) | 64,739 | 2,245,148 | ||||||
|
| |||||||
| 87,339,720 | ||||||||
| Water Utilities — 0.7% | ||||||||
American States Water Co. | 336,183 | 26,729,910 | ||||||
Artesian Resources Corp., Class A, NVS | 4,345 | 161,113 | ||||||
Cadiz Inc.(a)(b) | 104,746 | 1,115,545 | ||||||
California Water Service Group. | 415,709 | 22,460,757 | ||||||
Global Water Resources Inc. | 112,812 | 1,625,621 | ||||||
Middlesex Water Co. | 155,513 | 11,270,027 | ||||||
Pure Cycle Corp.(a) | 180,822 | 2,030,631 | ||||||
SJW Group | 127,113 | 8,816,558 | ||||||
York Water Co. (The) | 118,905 | 5,540,973 | ||||||
|
| |||||||
| 79,751,135 | ||||||||
| Wireless Telecommunication Services — 0.2% | ||||||||
Boingo Wireless Inc.(a)(b) | 398,264 | 5,065,918 | ||||||
Gogo Inc.(a)(b) | 482,522 | 4,646,687 | ||||||
Shenandoah Telecommunications Co. | 438,962 | 18,985,106 | ||||||
|
| |||||||
| 28,697,711 | ||||||||
|
| |||||||
Total Common Stocks — 99.8% |
| 11,758,628,363 | ||||||
|
| |||||||
Short-Term Investments | ||||||||
Money Market Funds — 16.1% | ||||||||
BlackRock Cash Funds: Institutional, SL Agency Shares, 0.18%(d)(e)(f) | 1,881,762,227 | 1,882,891,284 | ||||||
BlackRock Cash Funds: Treasury, | 12,870,000 | 12,870,000 | ||||||
|
| |||||||
| 1,895,761,284 | ||||||||
|
| |||||||
Total Short-Term Investments — 16.1% |
| 1,895,761,284 | ||||||
|
| |||||||
Total Investments in Securities — 115.9% |
| 13,654,389,647 | ||||||
Other Assets, Less Liabilities — (15.9)% |
| (1,878,087,035 | ) | |||||
|
| |||||||
Net Assets — 100.0% |
| $ | 11,776,302,612 | |||||
|
| |||||||
| (a) | Non-income producing security. |
| (b) | All or a portion of this security is on loan. |
| (c) | Security is valued using significant unobservable inputs and is classified as Level 3 in the fair value hierarchy. |
| (d) | Affiliate of the Fund. |
| (e) | Annualized 7-day yield as of period-end. |
| (f) | All or a portion of this security was purchased with cash collateral received from loaned securities. |
11
Schedule of Investments (unaudited) (continued) December 31, 2020 | iShares® Russell 2000 Growth ETF |
Affiliates
Investments in issuers considered to be affiliate(s) of the Fund during the period ended December 31, 2020 for purposes of Section 2(a)(3) of the Investment Company Act of 1940, as amended, were as follows:
| ||||||||||||||||||||||||||||||||||||||||||
| Affiliated Issuer | Value at 03/31/20 | Purchases at Cost | Proceeds from Sales | Net Realized Gain (Loss) | Change in Unrealized Appreciation (Depreciation) | Value at 12/31/20 | Shares Held at 12/31/20 | Income | Capital Gain Distributions from Underlying Funds | |||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||||||||
BlackRock Cash Funds: Institutional, SL Agency Shares | $ | 1,497,396,176 | $ | 384,365,186 | (a) | $ | — | $ | 68,017 | $ | 1,061,905 | $ | 1,882,891,284 | 1,881,762,227 | $ | 15,209,426 | (b) | $ | — | |||||||||||||||||||||||
| BlackRock Cash Funds: Treasury, | 11,650,000 | 1,220,000 | (a) | — | — | — | 12,870,000 | 12,870,000 | 12,843 | — | |||||||||||||||||||||||||||||||
PennyMac Financial Services | — | 2,650,753 | (800,870 | ) | 161,204 | — | N/A | N/A | 14,800 | — | ||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
|
| |||||||||||||||||||||||||||||||||
| $ | 229,221 | $ | 1,061,905 | $ | 1,895,761,284 | $ | 15,237,069 | $ | — | |||||||||||||||||||||||||||||||||
|
|
|
|
|
|
|
|
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| (a) | Represents net amount purchased (sold). |
| (b) | All or a portion represents securities lending income earned from the reinvestment of cash collateral from loaned securities, net of fees and collateral investment expenses, and other payments to and from borrowers of securities. |
| (c) | As of period end, the entity is no longer an affiliate. |
Futures Contracts
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| Description | Number of Contracts | Expiration Date | Notional Amount (000) | Value/ Unrealized Appreciation (Depreciation) | ||||||||||||
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Long Contracts | ||||||||||||||||
Russell 2000 E-Mini Index | 261 | 03/19/21 | $ | 25,771 | $ | 281,107 | ||||||||||
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Fair Value Measurements
Various inputs are used in determining the fair value of financial instruments. For description of the input levels and information about the Fund’s policy regarding valuation of financial instruments, refer to a recently published shareholder report. Shareholder reports are available on the Fund’s website at iShares.com and on the U.S. Securities and Exchange Commission website at sec.gov.
The following table summarizes the value of the Fund’s investments according to the fair value hierarchy as of December 31, 2020. The breakdown of the Fund’s investments into major categories is disclosed in the Schedule of Investments above.
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| Level 1 | Level 2 | Level 3 | Total | |||||||||||||
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Investments | ||||||||||||||||
Assets | ||||||||||||||||
Common Stocks | $ | 11,758,298,946 | $ | — | $ | 329,417 | $ | 11,758,628,363 | ||||||||
Money Market Funds | 1,895,761,284 | — | — | 1,895,761,284 | ||||||||||||
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| $ | 13,654,060,230 | $ | — | $ | 329,417 | $ | 13,654,389,647 | |||||||||
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Derivative financial instruments(a) | ||||||||||||||||
Assets | ||||||||||||||||
Futures Contracts | $ | 281,107 | $ | — | $ | — | $ | 281,107 | ||||||||
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| (a) | Shown at the unrealized appreciation (depreciation) on the contracts. |
Portfolio Abbreviations - Equity | ||
| NVS | Non-Voting Shares | |
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