Charles River Laboratories International, Inc. (CRL) Ownership
CRL ownership summary
as of October 18, 2026- Institutions
- 123.0% of shares outstanding
- Insiders
- 0.47% of shares outstanding
- Shares outstanding
- 48.2M
- Float
- 47.2M shares available to trade
- Short interest
- 6.97% 2.9M shares short
- Days to cover
- 3.02 short interest up 13.5% vs prior month
- Institutions 123.00%
- Insiders 0.47%
CRL top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | FMR Inc | 8.88% | 4.2M | $1.27B | +783,508 (+22.7%) | June 30, 2026 |
| 2 | BlackRock Inc | 7.96% | 3.8M | $1.14B | −60,540 (−1.6%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 6.60% | 3.1M | $945.3M | −52,916 (−1.7%) | June 30, 2026 |
| 4 | Amvescap Plc. | 6.25% | 3.0M | $895.9M | +587,533 (+24.5%) | June 30, 2026 |
| 5 | Harris Associates L.P. | 4.69% | 2.2M | $672.7M | +87,848 (+4.1%) | June 30, 2026 |
| 6 | Vanguard Portfolio Management, LLC | 4.63% | 2.2M | $663.6M | −83,691 (−3.6%) | June 30, 2026 |
| 7 | Allspring Global Investments Holdings, LLC | 3.99% | 1.9M | $571.9M | −88,069 (−4.4%) | June 30, 2026 |
| 8 | State Street Corp | 3.91% | 1.9M | $559.6M | −9,334 (−0.5%) | June 30, 2026 |
| 9 | Dimensional Fund Advisors, Inc. | 3.45% | 1.6M | $494.8M | −4,034 (−0.2%) | June 30, 2026 |
| 10 | Ariel Investments, LLC | 3.15% | 1.5M | $452.1M | +62,002 (+4.3%) | June 30, 2026 |
| 11 | T. Rowe Price Associates, Inc. | 3.15% | 1.5M | $451.8M | +380,227 (+33.8%) | June 30, 2026 |
| 12 | Geode Capital Management, LLC | 2.74% | 1.3M | $391.9M | +44 (+0.0%) | June 30, 2026 |
| 13 | Wellington Management Company LLP | 2.70% | 1.3M | $386.7M | −340,938 (−20.9%) | June 30, 2026 |
| 14 | Citadel Advisors Llc | 2.50% | 1.2M | $358.3M | −18,551 (−1.5%) | June 30, 2026 |
| 15 | Bank of America Corp | 2.46% | 1.2M | $352.0M | +37,559 (+3.3%) | June 30, 2026 |
| 16 | Earnest Partners LLC | 2.35% | 1.1M | $336.2M | +148,645 (+15.3%) | June 30, 2026 |
| 17 | Ameriprise Financial Inc | 1.85% | 881K | $264.5M | −228,198 (−20.6%) | June 30, 2026 |
| 18 | Neuberger Berman Group LLC | 1.81% | 863K | $258.9M | −11,674 (−1.3%) | June 30, 2026 |
| 19 | SEI Investments Co | 1.70% | 814K | $244.2M | +56,401 (+7.4%) | June 30, 2026 |
| 20 | Morgan Stanley - Brokerage Accounts | 1.68% | 800K | $240.3M | −25,181 (−3.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 2.1M shares and 11 cut 923K.
CRL top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Contrafund | 3.82% | 1.8M | $547.8M | −596 (−0.0%) | August 31, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.21% | 1.5M | $459.4M | −4,652 (−0.3%) | August 31, 2026 |
| 3 | Oakmark Select Investor | 3.14% | 1.5M | $449.6M | +100,000 (+7.2%) | June 30, 2026 |
| 4 | Vanguard 500 Index Investor | 2.62% | 1.3M | $376.0M | −26,736 (−2.1%) | September 30, 2026 |
| 5 | Vanguard Small Cap Index | 2.25% | 1.1M | $322.5M | −33,698 (−3.0%) | September 30, 2026 |
| 6 | Invesco S&P 500® Equal Weight ETF | 1.47% | 703K | $210.9M | −1,425 (−0.2%) | September 30, 2026 |
| 7 | Vanguard MStar Small Cap Value Index | 1.47% | 699K | $209.9M | −4,461 (−0.6%) | September 30, 2026 |
| 8 | Allspring Special Mid Cap Value Inst | 1.45% | 694K | $208.2M | −91,100 (−11.6%) | September 30, 2026 |
| 9 | iShares Core S&P 500 ETF | 1.33% | 636K | $191.0M | −1,036 (−0.2%) | September 30, 2026 |
| 10 | Fidelity 500 Index | 1.31% | 625K | $187.7M | +2,400 (+0.4%) | August 31, 2026 |
| 11 | State Street® SPDR® S&P 500® ETF | 1.24% | 593K | $177.9M | — | September 30, 2026 |
| 12 | Vanguard Windsor Investor Shares | 1.18% | 563K | $169.0M | −105,733 (−15.8%) | June 30, 2026 |
| 13 | MFS Mid Cap Growth A | 1.00% | 479K | $143.7M | +161,263 (+50.8%) | August 31, 2026 |
| 14 | Ariel Fund Investor | 0.91% | 434K | $130.4M | −123,401 (−22.1%) | September 30, 2026 |
| 15 | Vanguard Selected Value Inv | 0.84% | 399K | $119.8M | — | June 30, 2026 |
| 16 | Fidelity Contrafund K6 | 0.82% | 389K | $116.8M | −949 (−0.2%) | August 31, 2026 |
| 17 | iShares Biotechnology ETF | 0.77% | 368K | $110.6M | −2,792 (−0.8%) | September 30, 2026 |
| 18 | Vanguard Explorer Inv | 0.76% | 362K | $108.6M | +111,728 (+44.7%) | June 30, 2026 |
| 19 | State Street®HlthCrSelSectSPDR®ETF | 0.71% | 339K | $101.6M | +1,056 (+0.3%) | September 30, 2026 |
| 20 | Victory Sycamore Small Company Opp R | 0.68% | 324K | $97.2M | −40,000 (−11.0%) | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
CRL insider transactions
latest 8| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-30 | Ro Khanna | Buy | $160.05 | — | — |
| 2026-02-05 | Ro Khanna | Sell | $183.58 | — | — |
| 2025-08-22 | Joseph W Laplume | Sell | $163.72 | 400 | $65,488 |
| 2025-08-18 | Joseph W Laplume | Sell | $157.60 | 800 | $126,080 |
| 2025-08-07 | Joseph W Laplume | Sell | $150.04 | 400 | $60,016 |
| 2025-05-15 | Robert Bresnahan, Jr. | Sell | $138.67 | — | — |
| 2025-05-14 | George Massaro | Sell | $140.73 | 140 | $19,702 |
| 2025-05-13 | Joseph W Laplume | Sell | $145.41 | 500 | $72,705 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
CRL shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns CRL
Institutional investors own 123.0% of Charles River's shares and insiders 0.47%. The largest holder is FMR Inc with 8.88% of the shares (4.2M), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 11 reduced their stake in the latest filings. Short interest is 6.97% of the float, or 3.02 days of average trading volume. The share count rose 3.6% since 2014.
Related: CRL analyst forecast, CRL key metrics. See the CRL stock overview for the latest quote and news.
CRL ownership FAQ
Who owns the most Charles River stock?
The largest shareholders of Charles River are FMR Inc (8.88%), BlackRock Inc (7.96%), Vanguard Capital Management, LLC (6.60%), Amvescap Plc. (6.25%), Harris Associates L.P. (4.69%).
What percentage of Charles River is owned by institutions?
Institutions hold 123.0% of Charles River's shares outstanding; insiders hold 0.47%.
Which funds own Charles River?
The largest fund holders of Charles River are Fidelity Contrafund (3.82%), Vanguard MStar Total Stk Mkt Idx Invest (3.21%), Oakmark Select Investor (3.14%), Vanguard 500 Index Investor (2.62%), Vanguard Small Cap Index (2.25%).
What is Charles River's short interest?
2.9M shares of Charles River were sold short, 6.97% of the float; at the average daily volume it would take 3.02 days to cover.
Are insiders buying or selling Charles River?
Of the latest 8 reported insider transactions in Charles River (since May 13, 2025), 1 were purchases and 7 were sales.
How many shares of Charles River are outstanding?
Charles River has 48.2M shares outstanding, of which 47.2M are in the public float.