T. Rowe Price New Horizons Fund, Inc.

Fund Profile

Fund profile

Tickers

PRNHX, PRJIX, TRUZX

Fund manager

T. Rowe Price New Horizons Fund

Total assets

$19.82 bn

Liabilities

$13.33 mm

Net assets

$19.81 bn

Number of holdings

226.00

Top 200 of 226 Holdings

As of Dec 2024

Security	$Holding	Balance	% of Fund	Category	Position	Country
T. Rowe Price Government Reserve Fund	855.92 mm	855.92 mm shares	4.32	Short-term investment vehicle	Long	USA
DAY Dayforce Inc	664.11 mm	9.14 mm shares	3.35	Common equity	Long	USA
TDY Teledyne Technologies Incorporated	546.54 mm	1.18 mm shares	2.76	Common equity	Long	USA
BILL Bill.com Holdings, Inc.	529.63 mm	6.25 mm shares	2.67	Common equity	Long	USA
HUBS HubSpot, Inc.	504.29 mm	723.75 k shares	2.55	Common equity	Long	USA
TOST Toast, Inc.	490.12 mm	13.45 mm shares	2.47	Common equity	Long	USA
ARGENX SE	489.85 mm	796.50 k shares	2.47	Common equity	Long	Netherlands
PCTY Paylocity Holding Corporation	488.68 mm	2.45 mm shares	2.47	Common equity	Long	USA
TECH Bio-Techne Corporation	476.50 mm	6.62 mm shares	2.41	Common equity	Long	USA
CORPAY INC	452.65 mm	1.34 mm shares	2.29	Common equity	Long	USA
IEX IDEX Corporation	442.71 mm	2.12 mm shares	2.24	Common equity	Long	USA
VEEV Veeva Systems Inc.	439.45 mm	2.09 mm shares	2.22	Common equity	Long	USA
SAIA Saia, Inc.	433.34 mm	950.88 k shares	2.19	Common equity	Long	USA
GLOBANT SA	424.52 mm	1.98 mm shares	2.14	Common equity	Long	Luxembourg
ESAB ESAB Corporation	365.36 mm	3.05 mm shares	1.84	Common equity	Long	USA
SITE SiteOne Landscape Supply, Inc.	360.51 mm	2.74 mm shares	1.82	Common equity	Long	USA
IR Ingersoll Rand Inc.	353.28 mm	3.91 mm shares	1.78	Common equity	Long	USA
INSM Insmed Incorporated	327.97 mm	4.75 mm shares	1.66	Common equity	Long	USA
MTSI MACOM Technology Solutions Holdings, Inc.	324.21 mm	2.50 mm shares	1.64	Common equity	Long	USA
ROP Roper Technologies, Inc.	318.85 mm	613.35 k shares	1.61	Common equity	Long	USA
ODFL Old Dominion Freight Line, Inc.	311.11 mm	1.76 mm shares	1.57	Common equity	Long	USA
IOT Samsara Inc.	308.70 mm	7.07 mm shares	1.56	Common equity	Long	USA
TECHNIPFMC PLC	306.44 mm	10.59 mm shares	1.55	Common equity	Long	UK
RBC RBC Bearings Incorporated	306.11 mm	1.02 mm shares	1.55	Common equity	Long	USA
TTC The Toro Company	291.92 mm	3.64 mm shares	1.47	Common equity	Long	USA
HUBB Hubbell Incorporated	281.58 mm	672.20 k shares	1.42	Common equity	Long	USA
MONDAY.COM LTD	267.43 mm	1.14 mm shares	1.35	Common equity	Long	Israel
RS Reliance Steel & Aluminum Co.	260.60 mm	967.85 k shares	1.32	Common equity	Long	USA
ENTG Entegris, Inc.	246.75 mm	2.49 mm shares	1.25	Common equity	Long	USA
RIC Richmont Mines	246.74 mm	2.17 mm shares	1.25	Common equity	Long	Canada
BAH Booz Allen Hamilton Holding Corporation	239.32 mm	1.86 mm shares	1.21	Common equity	Long	USA
DDOG Datadog, Inc.	239.21 mm	1.67 mm shares	1.21	Common equity	Long	USA
MPWR Monolithic Power Systems, Inc.	236.02 mm	398.89 k shares	1.19	Common equity	Long	USA
FND Floor & Decor Holdings, Inc.	234.63 mm	2.35 mm shares	1.18	Common equity	Long	USA
ALNY Alnylam Pharmaceuticals, Inc.	233.42 mm	991.96 k shares	1.18	Common equity	Long	USA
WEATHERFORD INTERNATIONAL PLC	214.11 mm	2.99 mm shares	1.08	Common equity	Long	Ireland
GDDY GoDaddy Inc.	203.96 mm	1.03 mm shares	1.03	Common equity	Long	USA
RGEN Repligen Corporation	200.44 mm	1.39 mm shares	1.01	Common equity	Long	USA
BPMC Blueprint Medicines Corporation	178.94 mm	2.05 mm shares	0.90	Common equity	Long	USA
SRRK Scholar Rock Holding Corporation	174.27 mm	4.03 mm shares	0.88	Common equity	Long	USA
PCOR Procore Technologies, Inc.	172.86 mm	2.31 mm shares	0.87	Common equity	Long	USA
LSCC Lattice Semiconductor Corporation	167.80 mm	2.96 mm shares	0.85	Common equity	Long	USA
DATABRICKS SER F CVT PFD STCK PP	164.90 mm	1.78 mm shares	0.83	Preferred equity	Long	USA
NOVT Novanta Inc.	161.32 mm	1.06 mm shares	0.81	Common equity	Long	Canada
APG APi Group Corporation	130.12 mm	3.62 mm shares	0.66	Common equity	Long	USA
RNA Avidity Biosciences, Inc.	128.76 mm	4.43 mm shares	0.65	Common equity	Long	USA
Service Titan Class A Common Stock lockup	127.84 mm	1.24 mm shares	0.65	Common equity	Long	USA
SARTORIUS AG	126.19 mm	567.82 k shares	0.64	Preferred equity	Long	Germany
KYMR Kymera Therapeutics, Inc.	124.47 mm	3.09 mm shares	0.63	Common equity	Long	USA
STEP StepStone Group Inc.	123.47 mm	2.13 mm shares	0.62	Common equity	Long	USA
WING Wingstop Inc.	123.45 mm	434.37 k shares	0.62	Common equity	Long	USA
TREX Trex Company, Inc.	121.65 mm	1.76 mm shares	0.61	Common equity	Long	USA
HLNE Hamilton Lane Incorporated	120.26 mm	812.29 k shares	0.61	Common equity	Long	USA
PCVX Vaxcyte, Inc.	118.73 mm	1.45 mm shares	0.60	Common equity	Long	USA
CRNX Crinetics Pharmaceuticals, Inc.	109.62 mm	2.14 mm shares	0.55	Common equity	Long	USA
MSA MSA Safety Incorporated	105.59 mm	636.96 k shares	0.53	Common equity	Long	USA
NTRA Natera, Inc.	99.89 mm	631.03 k shares	0.50	Common equity	Long	USA
ASND Ascendis Pharma A/S	88.60 mm	643.59 k shares	0.45	Common equity	Long	Denmark
FIVE Five Below, Inc.	88.56 mm	843.80 k shares	0.45	Common equity	Long	USA
NATIONAL RESILIENCE SER B CVT PFD STOCK	84.46 mm	1.82 mm shares	0.43	Preferred equity	Long	USA
RVMD Revolution Medicines, Inc.	84.02 mm	1.92 mm shares	0.42	Common equity	Long	USA
FSV FirstService Corporation	81.35 mm	449.41 k shares	0.41	Common equity	Long	Canada
WST West Pharmaceutical Services, Inc.	80.33 mm	245.23 k shares	0.41	Common equity	Long	USA
EAT Brinker International, Inc.	73.41 mm	554.90 k shares	0.37	Common equity	Long	USA
CAVA CAVA Group, Inc.	71.13 mm	630.60 k shares	0.36	Common equity	Long	USA
VERA Vera Therapeutics, Inc.	66.54 mm	1.57 mm shares	0.34	Common equity	Long	USA
MDGL Madrigal Pharmaceuticals, Inc.	60.99 mm	197.64 k shares	0.31	Common equity	Long	USA
ATMU Atmus Filtration Technologies Inc.	60.81 mm	1.55 mm shares	0.31	Common equity	Long	USA
REPL Replimune Group, Inc.	57.28 mm	4.73 mm shares	0.29	Common equity	Long	USA
MONCLER SPA	53.28 mm	1.01 mm shares	0.27	Common equity	Long	Italy
VFC V.F. Corporation	51.64 mm	2.41 mm shares	0.26	Common equity	Long	USA
ZENPAYROLL INC CVT PFD SER C PP	51.23 mm	2.76 mm shares	0.26	Preferred equity	Long	USA
IDYA IDEAYA Biosciences, Inc.	50.92 mm	1.98 mm shares	0.26	Common equity	Long	USA
SWTX SpringWorks Therapeutics, Inc.	50.83 mm	1.41 mm shares	0.26	Common equity	Long	USA
AKRO Akero Therapeutics, Inc.	49.55 mm	1.78 mm shares	0.25	Common equity	Long	USA
ON HOLDING AG	46.89 mm	856.14 k shares	0.24	Common equity	Long	Switzerland
OSISKO GOLD ROYALTIES LTD	44.99 mm	2.48 mm shares	0.23	Common equity	Long	Canada
IONS Ionis Pharmaceuticals, Inc.	44.12 mm	1.26 mm shares	0.22	Common equity	Long	USA
ZENPAYROLL (GUSTO) SER D	40.84 mm	2.20 mm shares	0.21	Preferred equity	Long	USA
ACLX Arcellx, Inc.	40.39 mm	526.66 k shares	0.20	Common equity	Long	USA
Leidos Holdings, Inc.	40.30 mm	279.75 k shares	0.20	Common equity	Long	USA
VNOM Viper Energy Partners LP	39.95 mm	814.18 k shares	0.20	Common equity	Long	USA
SARTORIUS STEDIM BIOTECH	39.68 mm	203.26 k shares	0.20	Common equity	Long	France
GUSTO INC PP	39.59 mm	2.13 mm shares	0.20	Common equity	Long	USA
MDB MongoDB, Inc.	39.14 mm	168.13 k shares	0.20	Common equity	Long	USA
ARVN Arvinas, Inc.	38.65 mm	2.02 mm shares	0.20	Common equity	Long	USA
PEN Penumbra, Inc.	37.91 mm	159.64 k shares	0.19	Common equity	Long	USA
XNCR Xencor, Inc.	37.14 mm	1.62 mm shares	0.19	Common equity	Long	USA
CLDX Celldex Therapeutics, Inc.	36.56 mm	1.45 mm shares	0.18	Common equity	Long	USA
MLTX MoonLake Immunotherapeutics	36.13 mm	667.18 k shares	0.18	Common equity	Long	Cayman Islands
NUVL Nuvalent, Inc.	35.56 mm	454.23 k shares	0.18	Common equity	Long	USA
CYTK Cytokinetics, Incorporated	34.22 mm	727.38 k shares	0.17	Common equity	Long	USA
CHECKR INC	34.09 mm	5.55 mm shares	0.17	Preferred equity	Long	USA
TANIUM INC CVT PFD 1/24 G PP	33.82 mm	6.43 mm shares	0.17	Preferred equity	Long	USA
IRON Disc Medicine, Inc.	33.54 mm	529.05 k shares	0.17	Common equity	Long	USA
PRAX Praxis Precision Medicines, Inc.	32.20 mm	418.36 k shares	0.16	Common equity	Long	USA
MIRM Mirum Pharmaceuticals, Inc.	31.74 mm	767.71 k shares	0.16	Common equity	Long	USA
TRDA Entrada Therapeutics, Inc.	31.43 mm	1.82 mm shares	0.16	Common equity	Long	USA
RARE Ultragenyx Pharmaceutical Inc.	31.38 mm	745.82 k shares	0.16	Common equity	Long	USA
DATABRICKS INC PP	31.06 mm	335.81 k shares	0.16	Common equity	Long	USA
PLRX Pliant Therapeutics, Inc.	30.81 mm	2.34 mm shares	0.16	Common equity	Long	USA
CARIS LIFE SCIENCES SER C CVT PFD PP	27.93 mm	5.68 mm shares	0.14	Preferred equity	Long	USA
LOAR Loar Holdings Inc.	27.85 mm	376.87 k shares	0.14	Common equity	Long	USA
NBIX Neurocrine Biosciences, Inc.	27.74 mm	203.25 k shares	0.14	Common equity	Long	USA
CHECKR INC CVT PFD SR D PP	27.74 mm	4.52 mm shares	0.14	Preferred equity	Long	USA
NRIX Nurix Therapeutics, Inc.	27.36 mm	1.45 mm shares	0.14	Common equity	Long	USA
ONC BeiGene, Ltd.	26.43 mm	143.09 k shares	0.13	Common equity	Long	Cayman Islands
PROTHENA CORP PLC	26.18 mm	1.89 mm shares	0.13	Common equity	Long	Ireland
BOW Bowhead Specialty Holdings Inc.	26.14 mm	735.89 k shares	0.13	Common equity	Long	USA
TREELINE BIO SER A CVT PFD STOCK PP	24.95 mm	2.90 mm shares	0.13	Preferred equity	Long	USA
GLUE Monte Rosa Therapeutics, Inc.	23.62 mm	3.40 mm shares	0.12	Common equity	Long	USA
DYN Dyne Therapeutics, Inc.	23.18 mm	984.05 k shares	0.12	Common equity	Long	USA
AGCO AGCO Corporation	22.06 mm	236.04 k shares	0.11	Common equity	Long	USA
EVOLVE VACA RENT NET CVT PFD SR 6 PP	21.81 mm	2.22 mm shares	0.11	Preferred equity	Long	USA
INSITRO SER B CVT PFD PP	21.76 mm	1.19 mm shares	0.11	Preferred equity	Long	USA
CCCS CCC Intelligent Solutions Holdings Inc.	20.76 mm	1.77 mm shares	0.10	Common equity	Long	USA
EVOLVE VACA RENT NET CVT PFD SR 8 PP	20.63 mm	2.10 mm shares	0.10	Preferred equity	Long	USA
COO The Cooper Companies, Inc.	20.33 mm	221.20 k shares	0.10	Common equity	Long	USA
WAVE LIFE SCIENCES LTD	20.24 mm	1.64 mm shares	0.10	Common equity	Long	Singapore
DATABRICKS SER G CVY PFD STCK PP	20.00 mm	216.24 k shares	0.10	Preferred equity	Long	USA
SARO StandardAero, Inc.	19.52 mm	788.57 k shares	0.10	Common equity	Long	USA
SECURITYSCORECARD SER E CVT PFD STOCK PP	19.00 mm	3.60 mm shares	0.10	Preferred equity	Long	USA
CW Curtiss-Wright Corporation	18.02 mm	50.77 k shares	0.09	Common equity	Long	USA
TREELINE BIO SER A-1 CVT PFD STOCK PP	17.47 mm	2.03 mm shares	0.09	Preferred equity	Long	USA
EVOLVE VACA RENT NET CVT PFD SR 5 PP	16.98 mm	1.73 mm shares	0.09	Preferred equity	Long	USA
SLNO Soleno Therapeutics, Inc.	16.76 mm	372.87 k shares	0.08	Common equity	Long	USA
CARIS LIFE SER D CVT PFD STOCK PP	16.41 mm	3.34 mm shares	0.08	Preferred equity	Long	USA
CHECKR INC COMMON STOCK PP	16.29 mm	2.65 mm shares	0.08	Common equity	Long	USA
ZENPAYROLL INC SER B-2 CVT PFD PP	16.13 mm	867.51 k shares	0.08	Preferred equity	Long	USA
AGIO Agios Pharmaceuticals, Inc.	15.83 mm	481.82 k shares	0.08	Common equity	Long	USA
INSITRO SER C CVT PFD PP	15.76 mm	861.59 k shares	0.08	Preferred equity	Long	USA
KARDIUM SERIES D6 CVT PFD STOCK PP	15.68 mm	18.45 mm shares	0.08	Preferred equity	Long	USA
MERUS NV	15.54 mm	369.52 k shares	0.08	Common equity	Long	Netherlands
JANX Janux Therapeutics, Inc.	15.15 mm	282.92 k shares	0.08	Common equity	Long	USA
DAWN Day One Biopharmaceuticals, Inc.	14.50 mm	1.14 mm shares	0.07	Common equity	Long	USA
THEMIS SOLUTION INC PP	14.21 mm	408.33 k shares	0.07	Common equity	Long	USA
GPCR Structure Therapeutics Inc.	13.98 mm	515.43 k shares	0.07	Common equity	Long	Cayman Islands
TRUMID HLDGS LLC J-B CVT PFD	13.15 mm	24.00 k shares	0.07	Preferred equity	Long	USA
TRUMID HLDGS LLC J-A CVT PFD	13.15 mm	24.00 k shares	0.07	Preferred equity	Long	USA
RCKT Rocket Pharmaceuticals, Inc.	12.66 mm	1.01 mm shares	0.06	Common equity	Long	USA
IMVT Immunovant, Inc.	12.64 mm	510.49 k shares	0.06	Common equity	Long	USA
VRDN Viridian Therapeutics, Inc.	11.90 mm	620.82 k shares	0.06	Common equity	Long	USA
LEGN Legend Biotech Corporation	11.81 mm	363.00 k shares	0.06	Common equity	Long	Cayman Islands
THEMIS SOL (CLIO) SR E CVT PFD STOCK PP	11.40 mm	327.43 k shares	0.06	Preferred equity	Long	USA
FLEXE SERIES C CVT PFD STOCK	11.12 mm	1.45 mm shares	0.06	Preferred equity	Long	USA
IGMS IGM Biosciences, Inc.	10.85 mm	1.78 mm shares	0.05	Common equity	Long	USA
CNTA Centessa Pharmaceuticals plc	10.80 mm	644.64 k shares	0.05	Common equity	Long	UK
VIKING HOLDINGS LTD	10.74 mm	243.70 k shares	0.05	Common equity	Long	Bermuda
ADARX PHARMA SER C CVT PFD STOCK PP	10.27 mm	1.23 mm shares	0.05	Preferred equity	Long	USA
BCAX Bicara Therapeutics Inc. Common Stock	10.26 mm	589.03 k shares	0.05	Common equity	Long	USA
DUOL Duolingo, Inc.	10.20 mm	31.45 k shares	0.05	Common equity	Long	USA
EHC Encompass Health Corporation	10.11 mm	109.50 k shares	0.05	Common equity	Long	USA
TESSERA THERAPEUTICS SR C CVT PFD STK PP	9.70 mm	474.43 k shares	0.05	Preferred equity	Long	USA
TTAN ServiceTitan, Inc.	9.34 mm	90.77 k shares	0.05	Common equity	Long	USA
CRGX CARGO Therapeutics, Inc. Common Stock	9.27 mm	642.75 k shares	0.05	Common equity	Long	USA
OS OneStream, Inc. Class A Common Stock	8.92 mm	312.90 k shares	0.05	Common equity	Long	USA
ALAB Astera Labs, Inc. Common Stock	8.85 mm	66.84 k shares	0.04	Common equity	Long	USA
ZENPAYROLL INC SER B CVT PFD PP	8.64 mm	464.70 k shares	0.04	Preferred equity	Long	USA
EYPT EyePoint Pharmaceuticals, Inc.	8.56 mm	1.15 mm shares	0.04	Common equity	Long	USA
IMTX Immatics N.V.	8.55 mm	1.20 mm shares	0.04	Common equity	Long	Netherlands
SCHOLAR ROCK WTS 12.25 PP	8.22 mm	229.12 k shares	0.04	Common equity	Long	USA
EIKON THERA SERIES B CVT PFD STOCK PP	7.86 mm	1.48 mm shares	0.04	Preferred equity	Long	USA
KARDIUM INC SER D-5 CVT PFD STOCK PP	7.78 mm	9.15 mm shares	0.04	Preferred equity	Long	USA
EVOLVE VACA RENT NET CVT PF	7.33 mm	745.95 k shares	0.04	Preferred equity	Long	USA
ANAB AnaptysBio, Inc.	7.32 mm	552.81 k shares	0.04	Common equity	Long	USA
COLOR HEALTH SERIES D-1 CVT PFD STOCK PP	7.20 mm	600.69 k shares	0.04	Preferred equity	Long	USA
EVOLVE VACA RENT NET CVT 0 1/24 4 PP	7.06 mm	718.33 k shares	0.04	Preferred equity	Long	USA
KROS Keros Therapeutics, Inc.	6.86 mm	433.32 k shares	0.03	Common equity	Long	USA
CGON CG Oncology, Inc. Common stock	6.62 mm	230.98 k shares	0.03	Common equity	Long	USA
RING THERA SER B CVT PFD STOCK PP	6.54 mm	1.42 mm shares	0.03	Preferred equity	Long	USA
GERN Geron Corporation	6.06 mm	1.71 mm shares	0.03	Common equity	Long	USA
GENESIS THERA SER A CVT PFD STOCK PP	6.01 mm	1.18 mm shares	0.03	Preferred equity	Long	USA
TERN Terns Pharmaceuticals, Inc.	5.77 mm	1.04 mm shares	0.03	Common equity	Long	USA
RLAY Relay Therapeutics, Inc.	5.70 mm	1.38 mm shares	0.03	Common equity	Long	USA
GBIO Generation Bio Co.	5.66 mm	5.34 mm shares	0.03	Common equity	Long	USA
AUTL Autolus Therapeutics plc	5.33 mm	2.27 mm shares	0.03	Common equity	Long	UK
COLOR HEALTH SER D CVT PFD STOCK PP	5.17 mm	292.30 k shares	0.03	Preferred equity	Long	USA
DTX CO DBA FLOWCODE A-1 CVT PFD STK PP	4.32 mm	4.84 mm shares	0.02	Preferred equity	Long	USA
EVOLVE VACA RENT NET CVT PFD SR 7 PP	4.26 mm	433.70 k shares	0.02	Preferred equity	Long	USA
HAUL HUB SER B CVT PFD STOCK PP	3.99 mm	891.86 k shares	0.02	Preferred equity	Long	USA
INSCRIPTA SERIES E CVT PFD STOCK PP	3.89 mm	2.08 mm shares	0.02	Preferred equity	Long	USA
GENESIS THERA SEV B CVT PFD STOCK PP	3.85 mm	753.78 k shares	0.02	Preferred equity	Long	USA
TANIUM CLASS B COMMON STOCK	3.46 mm	657.56 k shares	0.02	Common equity	Long	USA
FLEXE SERIES D CVT PFD STOCK PP	3.44 mm	449.56 k shares	0.02	Preferred equity	Long	USA
PRME Prime Medicine, Inc.	3.34 mm	1.14 mm shares	0.02	Common equity	Long	USA
THEMIS SOL (CLIO) SR AA CVT PFD STOCK PP	3.20 mm	91.92 k shares	0.02	Preferred equity	Long	USA
ZBIO Zenas BioPharma, Inc.	2.96 mm	361.90 k shares	0.01	Common equity	Long	USA
Farmers Business Network Inc PP	2.81 mm	801.66 k shares	0.01	Common equity	Long	USA
TRUMID HLDGS SR L CVT PFD TAX BLOCKER PP	2.32 mm	4.23 k shares	0.01	Preferred equity	Long	USA
OFFERUP INC CVT SER C PP	1.89 mm	2.34 mm shares	0.01	Preferred equity	Long	USA
COLOR HEALTH SERIES E CVT PFD STOCK PP	1.75 mm	44.23 k shares	0.01	Preferred equity	Long	USA
EIKON THERAPEUTICS SER C CVT PFD STK PP	1.53 mm	287.12 k shares	0.01	Preferred equity	Long	USA
SOCURE SERIES E CVT PFD STOCK PP	1.32 mm	317.22 k shares	0.01	Preferred equity	Long	USA
HAUL HUB SERIES C CVT PFD STOCK PP	1.29 mm	288.89 k shares	0.01	Preferred equity	Long	USA
OFFERUP INC CVT SER A-2 PP	825.50 k	1.38 mm shares	0.00	Preferred equity	Long	USA
CAPSULE CORP PP	797.04 k	617.86 k shares	0.00	Common equity	Long	USA
CAPSULE CORP SERIES 1-D CVT PFD STOCK	797.04 k	617.86 k shares	0.00	Preferred equity	Long	USA
SOCURE SERIES A CVT PFD STOCK PP	693.69 k	166.75 k shares	0.00	Preferred equity	Long	USA
OFFERUP INC PP	607.58 k	1.01 mm shares	0.00	Common equity	Long	USA
OFFERUP INC CVT SER C-1 PP	600.79 k	682.71 k shares	0.00	Preferred equity	Long	USA