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Charles River Laboratories
557 hedge funds and large institutions have $9.86B invested in Charles River Laboratories in 2026 Q1 according to their latest regulatory filings, with 75 funds opening new positions, 188 increasing their positions, 199 reducing their positions, and 86 closing their positions.
New
Increased
Maintained
Reduced
Closed
50% more funds holding in top 10
Funds holding in top 10: 4 → 6 (+2)
23% more call options, than puts
Call options by funds: $40.9M | Put options by funds: $33.4M
8.54% more ownership
Funds ownership: 107.49% → 116.04% (+8.5%)
6% less repeat investments, than reductions
Existing positions increased: 188 | Existing positions reduced: 199
4% less funds holding
Funds holding: 580 → 557 (-23)
7% less capital invested
Capital invested by funds: $10.6B → $9.86B (-$696M)
13% less first-time investments, than exits
New positions opened: 75 | Existing positions closed: 86
Holders
557
Holders Change
-23
Holders Change %
-3.97%
% of All Funds
6.86%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.07%
New
75
Increased
188
Reduced
199
Closed
86
Calls
$40.9M
Puts
$33.4M
Net Calls
+$7.54M
Net Calls Change
-$1.44M
Top Buyers
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$319M |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$195M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$147M |
| 4 |
Millennium Management
New York
|
+$112M |
| 5 |
Amundi
Paris,
France
|
+$91.3M |
Top Sellers
| 1 |
WP
Woodline Partners
San Francisco,
California
|
-$63.6M |
| 2 |
Invesco
Atlanta,
Georgia
|
-$55.4M |
| 3 |
Ameriprise
Minneapolis,
Minnesota
|
-$51M |
| 4 |
Walleye Capital
New York
|
-$46.2M |
| 5 |
Point72 Asset Management
Stamford,
Connecticut
|
-$44.2M |
