PRJIX
T. Rowe Price New Horizons Fund, Inc.
T. ROWE PRICE NEW HORIZONS FUND, INC.

Portfolio concentration

As of March 31, 2026 · N-PORT
Holdings
375
Top-10 weight
18.27%
Effective holdings ?
116
Crowding ?
430.2

Holdings

As of March 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 T Rowe Price Government Reserve Investment Fund TRPGRIA 700,233,536 $700.23M 5.48%
2 SITEONE LANDSCAPE SUPPLY INC 1,687,625 $224.64M 1.76%
3 LATTICE SEMICONDUCTOR CORP 2,307,543 $214.05M 1.68%
4 DUTCH BROS INC-A 3,700,403 $187.46M 1.47%
5 NATERA INC 913,396 $182.67M 1.43%
6 TELEDYNE TECHNOLOGIES INC 293,169 $177.37M 1.39%
7 TECHNIPFMC PLC 2,446,390 $169.12M 1.32%
8 FABRINET 321,252 $167.54M 1.31%
9 KYMERA THERAPEUTICS INC 1,946,980 $162.16M 1.27%
10 ARGENX SE SPONSORED ADR 216,283 $157.94M 1.24%
11 URANIUM ENERGY CORP 11,278,157 $152.26M 1.19%
12 MODINE MFG CO 694,676 $150.54M 1.18%
13 REPLIGEN CORP 1,202,491 $141.68M 1.11%
14 GUARDANT HEALTH INC 1,516,883 $140.11M 1.10%
15 RBC BEARINGS INC 256,372 $139.24M 1.09%
16 PERMIAN RESOURCES CORP CL A 6,379,717 $136.02M 1.07%
17 INSTALLED BUILDING PRODUCTS INC 482,732 $128.00M 1.00%
18 MADISON SQUARE GARDEN SPORTS CORP 359,432 $115.52M 0.90%
19 TREASURY RESERVE FUND - Collateral 110,813,603 $110.81M 0.87%
20 SITIME CORP 279,733 $96.61M 0.76%
21 INSMED INC 590,148 $96.50M 0.76%
22 FIRSTCASH HOLDINGS INC 507,090 $95.33M 0.75%
23 HUBBELL INC 193,721 $95.07M 0.74%
24 OLD DOMINION FRT 479,892 $93.77M 0.73%
25 VIAVI SOLUTIONS INC 2,790,942 $92.88M 0.73%
26 API GROUP CORP 2,265,191 $91.79M 0.72%
27 SCHOLAR ROCK HOLDING CORP 1,863,285 $91.60M 0.72%
28 VSE CORP 487,998 $89.99M 0.70%
29 WEATHERFORD INTERNATIONAL PLC 950,486 $89.90M 0.70%
30 BRIGHTSPRING HEALTH SERVICES INC 2,102,472 $89.59M 0.70%
31 ENSIGN GROUP INC 443,509 $89.37M 0.70%
32 APPLIED OPTOELECTRONICS INC 1,034,271 $87.49M 0.69%
33 INGERSOLL RAND INC 1,064,515 $85.29M 0.67%
34 DATABRICKS SER F CVT PFD STCK PP 435,695 $82.78M 0.65%
35 DIGITALOCEAN HOLDINGS INC 948,850 $81.39M 0.64%
36 ATMUS FILTRATION TECHNOLOGIES INC 1,433,015 $81.35M 0.64%
37 ROCKET COS INC-A 5,568,674 $79.35M 0.62%
38 ZURN ELKAY WATER SOLUTIONS CORP 1,752,948 $78.60M 0.62%
39 ESAB CORP 802,321 $77.55M 0.61%
40 BIO-TECHNE CORP 1,401,962 $73.27M 0.57%
41 BLOOM ENERGY CORP CL A 529,174 $71.70M 0.56%
42 WATTS WATER TECH INC CL A 245,020 $71.13M 0.56%
43 ENTEGRIS INC 599,657 $70.30M 0.55%
44 LEONARDO DRS INC 1,574,625 $70.10M 0.55%
45 CF INDUSTRIES HOLDINGS INC 532,000 $69.07M 0.54%
46 AXSOME THERAPEUTICS INC 407,876 $68.94M 0.54%
47 Ascendis Pharma A/S 297,296 $68.00M 0.53%
48 NEXTRACKER INC CL A 559,367 $67.43M 0.53%
49 CAVA GROUP INC 831,390 $67.26M 0.53%
50 TORO CO 703,730 $65.76M 0.51%
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