Charles River Laboratories
578 hedge funds and large institutions have $10.6B invested in Charles River Laboratories in 2025 Q4 according to their latest regulatory filings, with 114 funds opening new positions, 176 increasing their positions, 206 reducing their positions, and 81 closing their positions.
New
Increased
Maintained
Reduced
Closed
more funds holding in top 10
Funds holding in top 10: →
more first-time investments, than exits
New positions opened: | Existing positions closed:
more call options, than puts
Call options by funds: $ | Put options by funds: $
more capital invested
Capital invested by funds: $ → $
4.98% more ownership
Funds ownership: 102.48% → 107.46% (+5%)
4% more funds holding
Funds holding: 554 → 578 (+24)
15% less repeat investments, than reductions
Existing positions increased: 176 | Existing positions reduced: 206
Holders
578
Holding in Top 10
4
Calls
$33.4M
Puts
$24.4M
Top Buyers
| 1 | +$262M | |
| 2 | +$240M | |
| 3 | +$160M | |
| 4 |
Ameriprise
Minneapolis,
Minnesota
|
+$140M |
| 5 |
Victory Capital Management
San Antonio,
Texas
|
+$124M |
Top Sellers
| 1 | -$261M | |
| 2 | -$167M | |
| 3 | -$146M | |
| 4 |
D.E. Shaw & Co
New York
|
-$95.8M |
| 5 |
Fuller & Thaler Asset Management
San Mateo,
California
|
-$70.4M |