MF · holdings as filed 2026-06-30
What's inside PRNHX?
T. Rowe Price New Horizons Fund, Inc.
- Holdings
- 431
- positions in the fund
- Top 10
- 16%
- of fund assets
- Expense ratio
- 0.80%
- net, per year
- Fund size
- $15B
- total net assets
Top 20 holdings
| Rank | Logo | Ticker / Name | Weight | |
|---|---|---|---|---|
| 1 | ? | —GRS - SECURITY LENDING COLLATERAL | 2.54% | |
| 2 | B  | BROSDUTCH BROS INC-CLASS A | 2.30% | |
| 3 | G  | GHGUARDANT HEALTH INC | 1.77% | |
| 4 | K  | KYMRKYMERA THERAPEUTICS INC | 1.71% | |
| 5 | E  | ENTGENTEGRIS INC | 1.71% | |
| 6 | N  | NTRANATERA INC | 1.47% | |
| 7 | L  | LSCCLATTICE SEMICONDUCTOR CORP | 1.38% | |
| 8 | O  | ODFLOLD DOMINION FREIGHT LINE | 1.32% | |
| 9 | A  | ARGXARGENX SE - ADR | 1.28% | |
| 10 | T  | TDYTELEDYNE TECHNOLOGIES INC | 1.02% | |
| 11 | S  | SITESITEONE LANDSCAPE SUPPLY INC | 1.00% | |
| 12 | B  | BTSGBRIGHTSPRING HEALTH SERVICES | 0.97% | |
| 13 | D  | DDOGDATADOG INC - CLASS A | 0.97% | |
| 14 | P  | PRPERMIAN RESOURCES CORP-CL A | 0.91% | |
| 15 | R  | RGENREPLIGEN CORP | 0.87% | |
| 16 | S  | SRRKSCHOLAR ROCK HOLDING CORP | 0.84% | |
| 17 | R  | RBCRBC BEARINGS INC | 0.84% | |
| 18 | A  | ALGMALLEGRO MICROSYSTEMS INC | 0.76% | |
| 19 | L  | LTHLIFE TIME GROUP HOLDINGS INC | 0.71% | |
| 20 | C  | CGNXCOGNEX CORP | 0.70% |
Top holdings — Health Care
Your 10 largest positions in this sector
1
G
GHGUARDANT HEALTH INC
1.77%2
K
KYMRKYMERA THERAPEUTICS INC
1.71%3
N
NTRANATERA INC
1.47%4
A
ARGXARGENX SE - ADR
1.28%5
T
TDYTELEDYNE TECHNOLOGIES INC
1.02%6
B
BTSGBRIGHTSPRING HEALTH SERVICES
0.97%7
R
RGENREPLIGEN CORP
0.87%8
S
SRRKSCHOLAR ROCK HOLDING CORP
0.84%9
C
CGNXCOGNEX CORP
0.70%10
R
RVMDREVOLUTION MEDICINES INC
0.65%Top holdings — United States
Your 10 largest positions in this country
1
B
BROSDUTCH BROS INC-CLASS A
2.30%2
G
GHGUARDANT HEALTH INC
1.77%3
K
KYMRKYMERA THERAPEUTICS INC
1.71%4
E
ENTGENTEGRIS INC
1.71%5
N
NTRANATERA INC
1.47%6
L
LSCCLATTICE SEMICONDUCTOR CORP
1.38%7
O
ODFLOLD DOMINION FREIGHT LINE
1.32%8
T
TDYTELEDYNE TECHNOLOGIES INC
1.02%9
S
SITESITEONE LANDSCAPE SUPPLY INC
1.00%10
B
BTSGBRIGHTSPRING HEALTH SERVICES
0.97%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 2026-06-30); 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.