MF · holdings as filed 2026-03-31
What's inside PRNHX?
T. Rowe Price New Horizons Fund, Inc.
- Holdings
- 389
- positions in the fund
- Top 10
- 18%
- of fund assets
- Expense ratio
- 0.80%
- net, per year
- Fund size
- $13B
- total net assets
Top 20 holdings
| Rank | Logo | Ticker / Name | Weight | |
|---|---|---|---|---|
| 1 | T  | TRPGRIAT ROWE PR GOVT RSRV INV FND | 5.46% | |
| 2 | S  | SITESITEONE LANDSCAPE SUPPLY INC | 1.75% | |
| 3 | L  | LSCCLATTICE SEMICONDUCTOR CORP | 1.67% | |
| 4 | B  | BROSDUTCH BROS INC-CLASS A | 1.46% | |
| 5 | N  | NTRANATERA INC | 1.42% | |
| 6 | T  | TDYTELEDYNE TECHNOLOGIES INC | 1.38% | |
| 7 | F  | FTITECHNIPFMC PLC | 1.32% | |
| 8 | F  | FNFABRINET | 1.31% | |
| 9 | K  | KYMRKYMERA THERAPEUTICS INC | 1.26% | |
| 10 | A  | ARGXARGENX SE - ADR | 1.23% | |
| 11 | U  | UECURANIUM ENERGY CORP | 1.19% | |
| 12 | M  | MODMODINE MANUFACTURING CO | 1.17% | |
| 13 | R  | RGENREPLIGEN CORP | 1.10% | |
| 14 | G  | GHGUARDANT HEALTH INC | 1.09% | |
| 15 | R  | RBCRBC BEARINGS INC | 1.09% | |
| 16 | P  | PRPERMIAN RESOURCES CORP-CL A | 1.06% | |
| 17 | I  | IBPINSTALLED BUILDING PRODUCTS | 1.00% | |
| 18 | M  | MSGSMADISON SQUARE GARDEN SPORTS | 0.90% | |
| 19 | ? | —GRS - SECURITY LENDING COLLATERAL | 0.86% | |
| 20 | S  | SITMSITIME CORP | 0.75% |
Top holdings — Health Care
Your 10 largest positions in this sector
1
N
NTRANATERA INC
1.42%2
T
TDYTELEDYNE TECHNOLOGIES INC
1.38%3
K
KYMRKYMERA THERAPEUTICS INC
1.26%4
A
ARGXARGENX SE - ADR
1.23%5
R
RGENREPLIGEN CORP
1.10%6
G
GHGUARDANT HEALTH INC
1.09%7
I
INSMINSMED INC
0.75%8
S
SRRKSCHOLAR ROCK HOLDING CORP
0.71%9
B
BTSGBRIGHTSPRING HEALTH SERVICES
0.70%10
E
ENSGENSIGN GROUP INC/THE
0.70%Top holdings — United States
Your 10 largest positions in this country
1
T
TRPGRIAT ROWE PR GOVT RSRV INV FND
5.46%2
S
SITESITEONE LANDSCAPE SUPPLY INC
1.75%3
L
LSCCLATTICE SEMICONDUCTOR CORP
1.67%4
B
BROSDUTCH BROS INC-CLASS A
1.46%5
N
NTRANATERA INC
1.42%6
T
TDYTELEDYNE TECHNOLOGIES INC
1.38%7
K
KYMRKYMERA THERAPEUTICS INC
1.26%8
M
MODMODINE MANUFACTURING CO
1.17%9
R
RGENREPLIGEN CORP
1.10%10
G
GHGUARDANT HEALTH INC
1.09%Geography reflects each issuer's registered business address per SEC EDGAR filings where available, falling back to the exchange or listing where no SEC filing exists — not necessarily where a company's stock is primarily listed (e.g. TSMC is classified as Taiwan even though its ADR trades on the NYSE).
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Data source: official SEC Form N-PORT filings (as of 2026-03-31); expense ratio from SEC prospectus (risk/return) filings. Fund holdings are disclosed quarterly and may reflect a 60-day reporting delay.
Informational and educational only — not investment advice.
Informational and educational only — not investment advice.