Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in CRL held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 3.9M | $665.7M | +2.8% | 8.012% | 0.01% |
| 2 | FMR LLC | 3.5M | $596.2M | +99.3% | 7.175% | 0.03% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 3.2M | $552.4M | — | 6.648% | 0.01% |
| 4 | Invesco Ltd. | 2.4M | $413.5M | -11.1% | 4.977% | 0.06% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.3M | $395.8M | — | 4.764% | 0.02% |
| 6 | HARRIS ASSOCIATES L P | 2.2M | $371.4M | +28.4% | 4.470% | 0.50% |
| 7 | Allspring Global Investments Holdings, LLC | 2.0M | $348.6M | -0.1% | 4.138% | 0.58% |
| 8 | STATE STREET CORP | 1.9M | $323.2M | +0.1% | 3.890% | 0.01% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 1.7M | $285.0M | +14.6% | 3.431% | 0.06% |
| 10 | WELLINGTON MANAGEMENT GROUP LLP | 1.6M | $281.1M | -6.9% | 3.383% | 0.05% |
| 11 | ARIEL INVESTMENTS, LLC | 1.4M | $249.1M | +1.1% | 2.998% | 2.79% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1.3M | $224.8M | +2.3% | 2.711% | 0.01% |
| 13 | CITADEL ADVISORS LLC | 1.3M | $215.6M | +180.4% | 2.595% | 0.10% |
| 14 | BANK OF AMERICA CORP /DE/ | 1.1M | $195.8M | +5.0% | 2.356% | 0.01% |
| 15 | AMERIPRISE FINANCIAL INC | 1.1M | $191.4M | -19.9% | 2.303% | 0.04% |
| 16 | EARNEST PARTNERS LLC | 971K | $167.6M | -1.7% | 2.017% | 0.69% |
| 17 | MILLENNIUM MANAGEMENT LLC | 934K | $161.1M | — | 1.939% | 0.11% |
| 18 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 909K | $158.8M | +2.7% | 1.887% | 0.05% |
| 19 | Neuberger Berman Group LLC | 874K | $150.7M | +1.7% | 1.815% | 0.11% |
| 20 | COOKE & BIELER LP | 868K | $149.7M | +42.9% | 1.802% | 1.69% |
| 21 | MORGAN STANLEY | 826K | $142.4M | +4.1% | 1.714% | 0.01% |
| 22 | Amundi | 773K | $133.4M | +175.2% | 1.605% | 0.04% |
| 23 | SEI INVESTMENTS CO | 757K | $130.6M | +0.1% | 1.572% | 0.12% |
| 24 | VICTORY CAPITAL MANAGEMENT INC | 743K | $128.2M | +7.5% | 1.543% | 0.08% |
| 25 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 737K | $127.1M | -11.9% | 1.530% | 0.07% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in CRL — a direct measure of their conviction.
Filings activity in CRL during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 546 | 4.4% | 103.55% | 9.00 pp | $9.35B | 8.0% |
| Q4 2025 | 571 | +6.7% | 112.55% | +27.57 pp | $10.17B | +32% |
| Q3 2025 | 535 | +4.5% | 84.98% | 25.47 pp | $7.68B | 23% |
| Q2 2025 | 512 | 7.7% | 110.45% | +23.88 pp | $9.98B | +28% |
| Q1 2025 | 555 | 11% | 86.57% | 16.40 pp | $7.82B | 16% |
| Q4 2024 | 621 | +1.5% | 102.97% | 3.93 pp | $9.30B | 3.7% |
| Q3 2024 | 612 | 5.7% | 106.90% | 6.76 pp | $9.66B | 5.9% |
| Q2 2024 | 649 | — | 113.66% | — | $10.27B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying CRL stock.
Based on Q1 2026 13F filings, institutional ownership of Charles River Laboratories International, Inc. stands at 103.6%, held across 546 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of CRL, with approximately 3,859,100 shares worth $0.67B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of CRL, including CITADEL ADVISORS LLC, MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for CRL is 39 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
81 institutions opened new positions in CRL during Q1 2026, while 106 fully exited. 93 added to existing positions and 369 trimmed.
CRL institutional ownership fell by 9.00 percentage points quarter-over-quarter, with a net change of -25 holders.
The top 10 institutions account for 45.3% of all reported 13F value in CRL, and the top 25 account for 72.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.