Sector: healthtesting
Conviction from: S&PCitrini
Charles River Laboratories provides preclinical and clinical drug-development services, research models, and manufacturing-support services to pharmaceutical and biotech companies.
4 tracked filer(s) hold this · 0 opened, 3 added, 1 trimmed in 31-MAR-2026
Aggregate 13FScore 55 — mean of 4 scored holder(s) · buyers (new/add) avg 55. Higher = the smart money in this name has the better track record.
| Filer | 13FScore | This quarter | Shares | Value | % of their book |
|---|
| Bill Nygren / Oakmark (Harris Associates) | 68 | Added +28% | 2,153,296 | $371,443,560 | 0.5% |
| Louis Bacon / Moore | 56 | Added +297% | 43,234 | $7,457,865 | 0.2% |
| Ancora | 42 | Added +8% | 166 | $28,635 | 0.0% |
| Bridgewater | 55 | Trimmed -69% | 6,835 | $1,179,038 | 0.0% |
Beyond 13F — activists, insiders, politicians & research
2 disclosed trade(s) by 1 filer(s).
| Report | Date | Stance |
|---|
| #97 — Rough Seas Make Strong Sailors: Navigating the Healthcare Policy Tsunami | 2025-05-28 | WATCH |
| #92 — Market Memo: Talk to Me, Goose | 2025-04-13 | LONG |