UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year of Quarter Ended: March 31, 2013 Check here if Amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Zevenbergen Capital Investments LLC Address: 601 Union Street, Suite 4600 Seattle, WA 98101 13F File Number: 028-10622 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Justin Buller Title: Chief Compliance Officer Phone: 206-682-8469 Signature, Place and Date of Signing: /s/ Justin Buller ------------------------------- Justin Buller Seattle, Washington May 14, 2013 Report Type: [X] 13F HOLDINGS REPORT [ ] 13F NOTICE [ ] 13F COMBINATION REPORT FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 56 Form 13F Information Table Value Total: $2,218,511 (thousands) List Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. Form 13F File Number Name -------------------- ---- FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- AT&T Inc. COM 00206R102 371 10100 SH SOLE 9800 300 Alliance Data Systems Corporat COM 018581108 32127 198450 SH SOLE 84850 113600 Amazon.com, Inc. COM 023135106 110792 415745 SH SOLE 190425 225320 Apple Inc. COM 037833100 43867 99098 SH SOLE 44968 54130 Atwood Oceanics, Inc. COM 050095108 1571 29900 SH SOLE 13700 16200 B/E Aerospace, Inc. COM 073302101 46278 767710 SH SOLE 336760 430950 BlackRock, Inc. COM 09247X101 7660 29820 SH SOLE 6150 23670 BroadSoft, Inc. COM 11133B409 868 32800 SH SOLE 32800 Catamaran Corporation COM 148887102 92617 1746500 SH SOLE 767600 978900 Celgene Corporation COM 151020104 45606 393464 SH SOLE 172442 221022 Chart Industries, Inc. COM 16115Q308 5361 67000 SH SOLE 28200 38800 Chipotle Mexican Grill, Inc. COM 169656105 65604 201320 SH SOLE 87025 114295 Cognizant Technology Solutions COM 192446102 67298 878325 SH SOLE 389925 488400 Deckers Outdoor Corporation COM 243537107 39718 713200 SH SOLE 301800 411400 Dresser-Rand Group Inc. COM 261608103 38607 626125 SH SOLE 273000 353125 Energy XXI (Bermuda) Limited COM G10082140 31846 1169950 SH SOLE 489550 680400 F5 Networks, Inc. COM 315616102 68561 769661 SH SOLE 346616 423045 FMC Technologies, Inc. COM 30249U101 45359 833950 SH SOLE 354700 479250 Facebook, Inc. COM 30303M102 82177 3212550 SH SOLE 1477550 1735000 Financial Engines, Inc. COM 317485100 34688 957700 SH SOLE 418950 538750 Freeport-McMoRan Copper & Gold COM 35671D857 252 7600 SH SOLE 5900 1700 Fusion-io, Inc. COM 36112J107 14839 906500 SH SOLE 472200 434300 General Electric Company COM 369604103 267 11530 SH SOLE 10675 855 Google Inc. COM 38259P508 89216 112336 SH SOLE 50786 61550 HMS Holdings Corp. COM 40425J101 42979 1583025 SH SOLE 692300 890725 HomeAway, Inc. COM 43739Q100 25978 799320 SH SOLE 420525 378795 IPC The Hospitalist Company, I COM 44984A105 14505 326100 SH SOLE 141100 185000 Infoblox Inc. COM 45672H104 2160 99534 SH SOLE 99534 Intuitive Surgical, Inc. COM 46120E602 56623 115278 SH SOLE 50393 64885 Johnson & Johnson COM 478160104 306 3750 SH SOLE 3650 100 LinkedIn Corporation COM 53578A108 92467 525200 SH SOLE 242430 282770 MAKO Surgical Corp. COM 560879108 5228 468840 SH SOLE 195215 273625 Medidata Solutions, Inc. COM 58471A105 12934 223085 SH SOLE 105315 117770 MercadoLibre, Inc. COM 58733R102 82985 859415 SH SOLE 391490 467925 Michael Kors Holdings Limited COM G60754101 31070 547100 SH SOLE 227200 319900 Mitek Systems, Inc. COM 606710200 8011 1711700 SH SOLE 1023500 688200 Netflix, Inc. COM 64110L106 88045 465160 SH SOLE 220965 244195 Nordstrom, Inc. COM 655664100 34125 617873 SH SOLE 269498 348375 PACCAR Inc COM 693718108 46321 916150 SH SOLE 403525 512625 Pioneer Natural Resources Comp COM 723787107 51895 417665 SH SOLE 182705 234960 Polypore International, Inc. COM 73179V103 23545 586000 SH SOLE 249700 336300 Portfolio Recovery Associates, COM 73640Q105 63317 498875 SH SOLE 221775 277100 Precision Castparts Corp. COM 740189105 86652 456975 SH SOLE 201645 255330 QUALCOMM Incorporated COM 747525103 70186 1048495 SH SOLE 476240 572255 SPDR Trust Series 1 COM 78462F103 260 1662 SH SOLE 1662 Salix Pharmaceuticals, Ltd. COM 795435106 34815 680250 SH SOLE 290700 389550 Skyworks Solutions, Inc. COM 83088M102 5246 238200 SH SOLE 100250 137950 Splunk Inc. COM 848637104 14703 367300 SH SOLE 202750 164550 Tesla Motors, Inc. COM 88160R101 83384 2200685 SH SOLE 1025245 1175440 Vera Bradley, Inc. COM 92335C106 21996 930840 SH SOLE 394840 536000 Verizon Communications Inc. COM 92343V104 723 14703 SH SOLE 14303 400 Vertex Pharmaceuticals Incorpo COM 92532F100 25495 463800 SH SOLE 196700 267100 Zillow, Inc. COM 98954A107 67969 1243255 SH SOLE 593725 649530 lululemon athletica inc. COM 550021109 68088 1092095 SH SOLE 466170 625925 priceline.com Incorporated COM 741503403 90634 131705 SH SOLE 59530 72175 tw telecom inc. COM 87311L104 317 12600 SH SOLE 12600