CHARLES RIV LABS INTL INC (CRL): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in CRL · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
24
13F filers
Aggregate Value
$1.8B
Across holders
Last Price
$298.58
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity12 increased12 reduced5 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| HARRIS ASSOCIATES L P CIK 0000813917 | Institutional Manager | 2.24M | $508.3M | 27.9% | 0.7% | Added | +$19.9M | Q2 2026 |
| ARIEL INVESTMENTS, LLC CIK 0000936753 | Institutional Manager | 1.51M | $341.6M | 18.8% | 3.4% | Added | +$339.9M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 1.19M | $270.7M | 14.9% | 0.0% | Reduced | +$268.5M | Q2 2026 |
| Clearbridge Investments, LLC CIK 0001348883 | Hedge Fund | 781K | $177.2M | 9.7% | 0.1% | Added | +$33.7M | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 486K | $110.3M | 6.1% | 0.0% | Reduced | $-101.5M | Q2 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 433K | $98.2M | 5.4% | 0.2% | Added | +$16.9M | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 343K | $77.8M | 4.3% | 0.1% | Added | +$72.0M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 279K | $63.2M | 3.5% | 0.0% | Reduced | $-104.0M | Q2 2026 |
| PRIMECAP MANAGEMENT CO/CA/ CIK 0000763212 | Institutional Manager | 267K | $60.5M | 3.3% | 0.0% | Reduced | $-5K | Q2 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 213K | $48.4M | 2.7% | 0.1% | Reduced | $-9.6M | Q2 2026 |
Added
Institutional Manager
$508.3M· 27.9% of total· 0.7% port· 2.24M sh· +$19.9M QoQ· Q2 2026
Added
Institutional Manager
$341.6M· 18.8% of total· 3.4% port· 1.51M sh· +$339.9M QoQ· Q2 2026
Reduced
Hedge Fund
$270.7M· 14.9% of total· 0.0% port· 1.19M sh· +$268.5M QoQ· Q2 2026
Added
Hedge Fund
$177.2M· 9.7% of total· 0.1% port· 781K sh· +$33.7M QoQ· Q2 2026
Reduced
Hedge Fund
$110.3M· 6.1% of total· 0.0% port· 486K sh· $-101.5M QoQ· Q2 2026
Added
Hedge Fund
$98.2M· 5.4% of total· 0.2% port· 433K sh· +$16.9M QoQ· Q2 2026
Added
Hedge Fund
$77.8M· 4.3% of total· 0.1% port· 343K sh· +$72.0M QoQ· Q2 2026
Reduced
Hedge Fund
$63.2M· 3.5% of total· 0.0% port· 279K sh· $-104.0M QoQ· Q2 2026
Reduced
Institutional Manager
$60.5M· 3.3% of total· 0.0% port· 267K sh· $-5K QoQ· Q2 2026
Reduced
Hedge Fund
$48.4M· 2.7% of total· 0.1% port· 213K sh· $-9.6M QoQ· Q2 2026
Added
Hedge Fund
$30.4M· 1.7% of total· 1.6% port· 134K sh· +$14.7M QoQ· Q2 2026
Reduced
Hedge Fund
$10.0M· 0.5% of total· 0.0% port· 44K sh· +$10.0M QoQ· Q2 2026
Reduced
Hedge Fund
$7.2M· 0.4% of total· 0.0% port· 32K sh· $-930K QoQ· Q2 2026
Added
Hedge Fund
$3.6M· 0.2% of total· 0.0% port· 16K sh· — QoQ· Q2 2026
Added
Hedge Fund
$3.1M· 0.2% of total· 0.0% port· 14K sh· +$2.8M QoQ· Q2 2026
Added
Hedge Fund
$3.0M· 0.2% of total· 0.0% port· 13K sh· +$426K QoQ· Q2 2026
Reduced
Hedge Fund
$2.9M· 0.2% of total· 0.0% port· 13K sh· $-9.1M QoQ· Q2 2026
Added
Hedge Fund
$1.8M· 0.1% of total· 0.0% port· 8K sh· +$12K QoQ· Q2 2026
Reduced
Hedge Fund
$883K· 0.0% of total· 0.0% port· 4K sh· $-8.9M QoQ· Q2 2026
Reduced
Hedge Fund
$864K· 0.0% of total· 0.0% port· 4K sh· $-432K QoQ· Q2 2026
Added
Hedge Fund
$447K· 0.0% of total· 0.0% port· 2K sh· $-426K QoQ· Q2 2026
Reduced
Hedge Fund
$248K· 0.0% of total· 0.0% port· 1K sh· $-2.5M QoQ· Q2 2026
Added
Institutional Manager
$227K· 0.0% of total· 0.0% port· 1K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$13K· 0.0% of total· 0.0% port· 56 sh· $-25K QoQ· Q2 2026
1–10 of 24
1 / 3
Loading recent insider activity…