Charles River Laboratories
582 hedge funds and large institutions have $10.6B invested in Charles River Laboratories in 2025 Q4 according to their latest regulatory filings, with 117 funds opening new positions, 176 increasing their positions, 206 reducing their positions, and 82 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 2 → 4 (+2)
43% more first-time investments, than exits
New positions opened: 117 | Existing positions closed: 82
37% more call options, than puts
Call options by funds: $33.4M | Put options by funds: $24.4M
33% more capital invested
Capital invested by funds: $7.92B → $10.6B (+$2.64B)
4.96% more ownership
Funds ownership: 102.49% → 107.45% (+5%)
5% more funds holding
Funds holding: 556 → 582 (+26)
15% less repeat investments, than reductions
Existing positions increased: 176 | Existing positions reduced: 206
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
+$262M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$240M |
| 3 |
Massachusetts Financial Services
Boston,
Massachusetts
|
+$160M |
| 4 |
Ameriprise
Minneapolis,
Minnesota
|
+$140M |
| 5 |
Victory Capital Management
San Antonio,
Texas
|
+$124M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
-$261M |
| 2 |
National Bank of Canada
Montreal,
Quebec, Canada
|
-$167M |
| 3 |
Nomura Holdings
Tokyo,
Japan
|
-$146M |
| 4 |
D.E. Shaw & Co
New York
|
-$95.8M |
| 5 |
Fuller & Thaler Asset Management
San Mateo,
California
|
-$70.4M |
CRL Hedge Fund Activity: Q4 2025 in Review
582 of the 8,261 institutional investors tracked by Wall St. Rank reported a position in Charles River Laboratories (CRL) for Q4 2025, worth a combined $10.6B — up 33% from $7.92B a quarter earlier.
Buyers outnumbered sellers: 117 funds opened new CRL positions and 82 closed out — a net gain of 35 holders — while 176 added to existing stakes and 206 trimmed.
The largest buyer was Invesco, adding an estimated $262M. The largest seller was Wellington Management Group, cutting an estimated $261M.
- 582 institutional investors held Charles River Laboratories (CRL) as of Q4 2025, up from 556 in Q3 2025.
- Funds reported $10.6B of Charles River Laboratories stock for Q4 2025, up 33% quarter-over-quarter.
- 117 funds opened new Charles River Laboratories positions in Q4 2025 and 82 closed out, a net change of +35 holders.
- The largest Charles River Laboratories buyer in Q4 2025 was Invesco, an estimated $262M added.
- The largest Charles River Laboratories seller in Q4 2025 was Wellington Management Group, an estimated $261M sold.
Based on aggregated 13F filings for Q4 2025.