We are live on
!
Find out more
Charles River Laboratories
554 hedge funds and large institutions have $7.92B invested in Charles River Laboratories in 2025 Q3 according to their latest regulatory filings, with 98 funds opening new positions, 190 increasing their positions, 189 reducing their positions, and 56 closing their positions.
New
Increased
Maintained
Reduced
Closed
75% more first-time investments, than exits
New positions opened: 98 | Existing positions closed: 56
22% more call options, than puts
Call options by funds: $35.1M | Put options by funds: $28.7M
7% more funds holding
Funds holding: 518 → 554 (+36)
2% more capital invested
Capital invested by funds: $7.73B → $7.92B (+$189M)
1% more repeat investments, than reductions
Existing positions increased: 190 | Existing positions reduced: 189
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
1.13% less ownership
Funds ownership: 103.62% → 102.48% (-1.1%)
Holders
554
Holders Change
+36
Holders Change %
+6.95%
% of All Funds
7.27%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
98
Increased
190
Reduced
189
Closed
56
Calls
$35.1M
Puts
$28.7M
Net Calls
+$6.38M
Net Calls Change
+$4.58M
Top Buyers
| 1 |
Ameriprise
Minneapolis,
Minnesota
|
+$91.3M |
| 2 |
National Bank of Canada
Montreal,
Quebec, Canada
|
+$81.3M |
| 3 |
D.E. Shaw & Co
New York
|
+$56M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$53.2M |
| 5 |
Harris Associates
Chicago,
Illinois
|
+$49.3M |
Top Sellers
| 1 |
Nomura Holdings
Tokyo,
Japan
|
-$121M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
-$91.7M |
| 3 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$87.2M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$70.9M |
| 5 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$50.8M |
