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CRL Insider Trading

Insider Ownership Percentage: 1.30%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $343,991.20

Charles River Laboratories International Insider Trading History Chart

This chart shows the insider buying and selling history at Charles River Laboratories International by year and by quarter.

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Charles River Laboratories International Share Price & Price History

Current Price: $167.34
Price Change: ▲ Price Increase of +1.445 (0.87%)
As of 03/26/2026 12:15 PM ET

This chart shows the closing price history over time for CRL up to the past year.

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Days: 30 | 90 | 365

Charles River Laboratories International Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
8/22/2025Joseph W. LaPlumeEVPSell400$163.72$65,488.0023,716View SEC Filing Icon  
8/18/2025Joseph W. LaPlumeEVPSell800$157.60$126,080.0024,116View SEC Filing Icon  
8/7/2025Joseph W. LaPlumeEVPSell400$150.04$60,016.0024,916View SEC Filing Icon  
5/14/2025George MassaroDirectorSell140$140.73$19,702.205,715View SEC Filing Icon  
5/13/2025Joseph W. LaPlumeEVPSell500$145.41$72,705.0019,513View SEC Filing Icon  
2/20/2025Birgit GirshickCOOBuy1,514$164.63$249,249.8255,058View SEC Filing Icon  
2/20/2025James C FosterCEOBuy6,075$165.01$1,002,435.75183,639View SEC Filing Icon  
2/20/2025Joseph W. LaPlumeEVPSell4,400$162.50$715,000.0020,013View SEC Filing Icon  
11/7/2024Richard F. WallmanDirectorSell6,621$216.12$1,430,930.5212,386View SEC Filing Icon  
5/10/2024Joseph W. LaPlumeEVPSell1,304$226.97$295,968.8823,276View SEC Filing Icon  
2/29/2024Victoria L CreamerEVPSell5,000$253.70$1,268,500.0013,550View SEC Filing Icon  
2/22/2024William D BarboVPSell4,050$248.50$1,006,425.0022,879View SEC Filing Icon  
2/15/2024Shannon M. ParisottoEVPSell5,882$241.20$1,418,738.402,596View SEC Filing Icon  
11/20/2023Birgit GirshickCOOBuy1,322$187.82$248,298.0444,449View SEC Filing Icon  
11/14/2023James C FosterCEOBuy5,620$178.05$1,000,641.00202,643View SEC Filing Icon  
8/24/2023Richard F. WallmanDirectorBuy1,000$198.79$198,790.001,000View SEC Filing Icon  
8/10/2023Joseph W. LaPlumeEVPSell700$216.52$151,564.0024,983View SEC Filing Icon  
8/10/2023Michael Gunnar KnellCAOSell1,471$216.54$318,530.349,940View SEC Filing Icon  
8/10/2023William D BarboVPSell5,763$217.24$1,251,954.123,592View SEC Filing Icon  
5/15/2023Joseph W. LaPlumeEVPSell345$190.39$65,684.5524,026View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Charles River Laboratories International (NYSE:CRL)

98.91% of Charles River Laboratories International stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at CRL by year and by quarter.

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Charles River Laboratories International Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/20/2026Purpose Unlimited Inc.3,501$0.70M0.0%N/A0.007%Search for SEC Filing on Google Icon
3/20/2026Hsbc Holdings PLC62,084$12.40M0.0%-25.2%0.126%Search for SEC Filing on Google Icon
3/17/2026Rockefeller Capital Management L.P.1,750$0.35M0.0%+30.0%0.004%Search for SEC Filing on Google Icon
3/12/2026Eos Management L.P.4,206$0.84M0.3%N/A0.009%Search for SEC Filing on Google Icon
3/9/2026Corient Private Wealth LLC17,628$3.52M0.0%+68.5%0.036%Search for SEC Filing on Google Icon
3/6/2026Hsbc Holdings PLC62,084$12.40M0.0%-25.2%0.126%Search for SEC Filing on Google Icon
3/4/2026SHP Wealth Management425$85K0.0%N/A0.001%Search for SEC Filing on Google Icon
2/27/2026Groupama Asset Managment2,405$0.48M0.0%-9.5%0.005%Search for SEC Filing on Google Icon
2/23/2026Kera Capital Partners Inc.2,511$0.53M0.1%+4.5%0.005%Search for SEC Filing on Google Icon
2/19/2026Compound Planning Inc.1,668$0.33M0.0%+19.6%0.003%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.2,696,150$537.83M0.1%+115.8%5.478%Search for SEC Filing on Google Icon
2/19/2026Corient Private Wealth LLC35,170$7.02M0.0%+236.2%0.071%Search for SEC Filing on Google Icon
2/18/2026Mercer Global Advisors Inc. ADV6,316$1.26M0.0%+1.3%0.013%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury12,593$2.65M0.0%+32.7%0.026%Search for SEC Filing on Google Icon
2/18/2026EP Wealth Advisors LLC2,199$0.44M0.0%N/A0.004%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp781,476$157.53M0.2%-21.5%1.588%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC5,293$1.06M0.0%+7.7%0.011%Search for SEC Filing on Google Icon
2/18/2026VARCOV Co.1,774$0.35M0.1%N/A0.004%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP1,749,213$348.93M0.1%-45.2%3.554%Search for SEC Filing on Google Icon
2/18/2026SummitTX Capital L.P.13,066$2.61M0.1%N/A0.027%Search for SEC Filing on Google Icon
2/18/2026Toronto Dominion Bank8,467$1.69M0.0%-60.0%0.017%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL4,782$0.95M0.0%-95.0%0.010%Search for SEC Filing on Google Icon
2/18/2026Suvretta Capital Management LLC1,010$0.20M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/18/2026Quadrature Capital Ltd6,837$1.36M0.0%-30.6%0.014%Search for SEC Filing on Google Icon
2/18/2026Moore Capital Management LP10,903$2.18M0.0%-77.7%0.022%Search for SEC Filing on Google Icon
2/18/2026Man Group plc9,457$1.89M0.0%-90.6%0.019%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC22,200$4.43M0.0%-6.2%0.045%Search for SEC Filing on Google Icon
2/18/2026Gotham Asset Management LLC289,516$57.75M0.2%-8.3%0.588%Search for SEC Filing on Google Icon
2/18/2026Empyrean Capital Partners LP121,500$24.24M0.8%N/A0.247%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP27,613$5.51M0.1%-8.9%0.056%Search for SEC Filing on Google Icon
2/18/2026First Manhattan CO. LLC.10,837$2.16M0.0%N/A0.022%Search for SEC Filing on Google Icon
2/18/2026Aristotle Capital Boston LLC86,214$17.20M0.9%-9.6%0.175%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.208,559$41.60M0.1%+37.8%0.424%Search for SEC Filing on Google Icon
2/18/2026Banco Bilbao Vizcaya Argentaria S.A.13,969$2.79M0.0%-4.1%0.028%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC5,238$1.05M0.0%-13.5%0.011%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC50,882$10.15M0.0%+87.3%0.103%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC120,112$23.96M0.0%-54.7%0.244%Search for SEC Filing on Google Icon
2/17/2026Abel Hall LLC1,379$0.28M0.1%N/A0.003%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers7,125$1.42M0.0%+7.6%0.014%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC19,993$3.99M0.0%+162.9%0.041%Search for SEC Filing on Google Icon
2/17/2026Laird Norton Wetherby Trust Company LLC2,840$0.57M0.0%N/A0.006%Search for SEC Filing on Google Icon
2/17/2026Amundi281,014$56.06M0.0%-9.4%0.571%Search for SEC Filing on Google Icon
2/17/2026Iron Triangle Partners LP379,728$75.75M8.7%+41.7%0.771%Search for SEC Filing on Google Icon
2/17/2026Vinva Investment Management Ltd1,132$0.23M0.0%-69.6%0.002%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.2,266$0.45M0.0%-19.2%0.005%Search for SEC Filing on Google Icon
2/17/2026Quantitative Investment Management LLC3,120$0.62M0.1%+12.3%0.006%Search for SEC Filing on Google Icon
2/17/2026Kerrisdale Advisers LLC4,593$0.92M0.4%-38.4%0.009%Search for SEC Filing on Google Icon
2/17/2026Integral Health Asset Management LLC45,000$8.98M0.4%-25.0%0.091%Search for SEC Filing on Google Icon
2/17/2026Advisory Services Network LLC4,052$0.81M0.0%+25.6%0.008%Search for SEC Filing on Google Icon
2/17/2026Adage Capital Partners GP L.L.C.311,657$62.17M0.1%+131.7%0.633%Search for SEC Filing on Google Icon
2/17/2026Public Employees Retirement System of Ohio14,682$2.93M0.0%-3.7%0.030%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System46,765$9.33M0.0%+1.5%0.095%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.26,413$5.27M0.0%-46.8%0.054%Search for SEC Filing on Google Icon
2/17/2026Clark Capital Management Group Inc.42,391$8.46M0.1%N/A0.086%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board34,797$6.94M0.0%-16.0%0.071%Search for SEC Filing on Google Icon
2/17/2026&PARTNERS3,462$0.69M0.0%+9.9%0.007%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada123,656$24.67M0.0%-53.8%0.251%Search for SEC Filing on Google Icon
2/17/2026Magnetar Financial LLC4,804$0.96M0.0%-79.3%0.010%Search for SEC Filing on Google Icon
2/17/2026Persistent Asset Partners Ltd2,099$0.42M0.2%N/A0.004%Search for SEC Filing on Google Icon
2/17/2026Hollow Brook Wealth Management LLC12,043$2.40M0.6%-9.9%0.024%Search for SEC Filing on Google Icon
2/17/2026Rakuten Investment Management Inc.4,389$0.89M0.0%-94.3%0.009%Search for SEC Filing on Google Icon
2/17/2026Cynosure Group LLC2,477$0.49M0.0%N/A0.005%Search for SEC Filing on Google Icon
2/17/2026Faithward Advisors LLC7,379$1.47M0.2%N/A0.015%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC1,312$0.26M0.0%-69.8%0.003%Search for SEC Filing on Google Icon
2/16/2026OMERS ADMINISTRATION Corp58,529$11.68M0.1%+15.8%0.119%Search for SEC Filing on Google Icon
2/16/2026Vanguard Personalized Indexing Management LLC12,016$2.40M0.0%+4.0%0.024%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC9,505$1.90M0.0%-2.1%0.019%Search for SEC Filing on Google Icon
2/16/2026Panagora Asset Management Inc.6,073$1.21M0.0%N/A0.012%Search for SEC Filing on Google Icon
2/16/2026Public Employees Retirement Association of Colorado83,643$16.69M0.1%+1,558.6%0.170%Search for SEC Filing on Google Icon
2/16/2026MML Investors Services LLC9,008$1.80M0.0%+6.1%0.018%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC10,851$2.17M0.0%-40.9%0.022%Search for SEC Filing on Google Icon
2/16/2026Focus Partners Wealth9,080$1.81M0.0%N/A0.018%Search for SEC Filing on Google Icon
2/16/2026Kennedy Capital Management LLC45,653$9.11M0.2%+4.0%0.093%Search for SEC Filing on Google Icon
2/16/2026Landscape Capital Management L.L.C.8,002$1.60M0.1%+14.8%0.016%Search for SEC Filing on Google Icon
2/16/2026Entropy Technologies LP4,881$0.97M0.1%-64.9%0.010%Search for SEC Filing on Google Icon
2/16/2026Epoch Investment Partners Inc.27,439$5.47M0.0%+3.4%0.056%Search for SEC Filing on Google Icon
2/16/2026Arax Advisory Partners1,348$0.27M0.0%-75.2%0.003%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC59,134$11.80M0.0%-60.9%0.120%Search for SEC Filing on Google Icon
2/16/2026Arrowstreet Capital Limited Partnership836,240$166.81M0.1%+8.7%1.699%Search for SEC Filing on Google Icon
2/13/2026Kestra Advisory Services LLC545$0.11M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/13/2026Parkside Financial Bank & Trust996$0.20M0.0%-15.6%0.002%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP124,193$24.77M0.0%-10.1%0.252%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 37,027$7.39M0.0%-0.4%0.075%Search for SEC Filing on Google Icon
2/13/2026Johnson Investment Counsel Inc.22,535$4.50M0.0%-5.6%0.046%Search for SEC Filing on Google Icon
2/13/2026Soros Fund Management LLC6,778$1.35M0.0%N/A0.014%Search for SEC Filing on Google Icon
2/13/2026CANADA LIFE ASSURANCE Co13,456$2.69M0.0%-12.3%0.027%Search for SEC Filing on Google Icon
2/13/2026Bridgewater Associates LP22,054$4.40M0.0%+10.8%0.045%Search for SEC Filing on Google Icon
2/13/2026Stifel Financial Corp4,074$0.81M0.0%-31.5%0.008%Search for SEC Filing on Google Icon
2/13/2026Commerce Bank4,551$0.91M0.0%-11.8%0.009%Search for SEC Filing on Google Icon
2/13/2026Smartleaf Asset Management LLC744$0.15M0.0%+14.5%0.002%Search for SEC Filing on Google Icon
2/13/2026Bank of Nova Scotia6,659$1.33M0.0%+27.0%0.014%Search for SEC Filing on Google Icon
2/13/2026Morgan Stanley792,820$158.15M0.0%-5.0%1.611%Search for SEC Filing on Google Icon
2/13/2026Public Sector Pension Investment Board12,494$2.49M0.0%+17.5%0.025%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP6,047$1.21M0.0%+11.4%0.012%Search for SEC Filing on Google Icon
2/13/2026Alyeska Investment Group L.P.644,726$128.61M0.4%+120.7%1.310%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.454,153$90.59M0.0%-4.6%0.923%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey20,505$4.09M0.0%-5.1%0.042%Search for SEC Filing on Google Icon
2/13/2026Van ECK Associates Corp35,501$7.08M0.0%-8.5%0.072%Search for SEC Filing on Google Icon
2/13/2026State Street Corp1,871,688$373.36M0.0%+2.2%3.803%Search for SEC Filing on Google Icon
2/13/2026Victory Capital Management Inc.691,474$137.94M0.1%+9,938.8%1.405%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Charles River Laboratories International logo
Charles River Laboratories International, Inc. provides drug discovery, non-clinical development, and safety testing services in the United States, Europe, Canada, the Asia Pacific, and internationally. It operates through three segments: Research Models and Services (RMS), Discovery and Safety Assessment (DSA), and Manufacturing Solutions (Manufacturing). The RMS segment produces and sells rodents, and purpose-bred rats and mice for use by researchers. This segment also provides a range of services to assist its clients in supporting the use of research models in research and screening pre-clinical drug candidates, including research models, genetically engineered models and services, insourcing solutions, and research animal diagnostic services. The DSA segment offers early and in vivo discovery services for the identification and validation of novel targets, chemical compounds, and antibodies through delivery of preclinical drug and therapeutic candidates ready for safety assessment; and safety assessment services, such as toxicology, pathology, safety pharmacology, bioanalysis, drug metabolism, and pharmacokinetics services. The Manufacturing segment provides in vitro methods for conventional and rapid quality control testing of sterile and non-sterile pharmaceuticals and consumer products. This segment also offers specialized testing of biologics that are outsourced by pharmaceutical and biotechnology companies. It also provides contract vivarium operation services to biopharmaceutical clients. The company was founded in 1947 and is headquartered in Wilmington, Massachusetts.
Read More on Charles River Laboratories International

Today's Range

Now: $167.34
Low: $164.33
High: $168.24

50 Day Range

MA: $181.98
Low: $151.88
High: $226.75

52 Week Range

Now: $167.34
Low: $91.86
High: $228.88

Volume

139,528 shs

Average Volume

972,448 shs

Market Capitalization

$8.24 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.64

Who are the company insiders with the largest holdings of Charles River Laboratories International?

Charles River Laboratories International's top insider investors include:
  1. James C Foster (CEO)
  2. James C Foster (Chairman)
  3. James Foster (CEO)
  4. David P Johst (Insider)
  5. James C Foster (CEO)
  6. David P Johst (VP)
  7. David Johst (VP)
  8. Thomas Ackerman (CFO)
  9. Thomas F Ackerman (Insider)
  10. Davide Molho (VP)
Learn More about top insider investors at Charles River Laboratories International.

Who are the major institutional investors of Charles River Laboratories International?

Charles River Laboratories International's top institutional investors include:
  1. Vanguard Group Inc. — 11.96%
  2. Invesco Ltd. — 5.48%
  3. Allspring Global Investments Holdings LLC — 4.05%
  4. State Street Corp — 3.80%
  5. Wellington Management Group LLP — 3.55%
  6. Dimensional Fund Advisors LP — 2.93%
Learn More about top institutional investors of Charles River Laboratories International stock.

Which major investors are selling Charles River Laboratories International stock?

During the last quarter, CRL stock was sold by these institutional investors:
  1. Wellington Management Group LLP
  2. Mackenzie Financial Corp
  3. UBS Group AG
  4. Allspring Global Investments Holdings LLC
  5. AQR Capital Management LLC
  6. Royal Bank of Canada
  7. JPMorgan Chase & Co.
  8. Barclays PLC
In the last year, company insiders that have sold Charles River Laboratories International company stock include:
  1. James C Foster (CEO)
  2. James C Foster (Chairman)
Learn More investors selling Charles River Laboratories International stock.

Which major investors are buying Charles River Laboratories International stock?

During the previous quarter, CRL stock was bought by institutional investors including:
  1. Invesco Ltd.
  2. Massachusetts Financial Services Co. MA
  3. Victory Capital Management Inc.
  4. Norges Bank
  5. Alyeska Investment Group L.P.
  6. Dimensional Fund Advisors LP
  7. SG Americas Securities LLC
  8. LSV Asset Management
During the last year, these company insiders have bought Charles River Laboratories International stock:
  1. James C Foster (CEO)
  2. James C Foster (Chairman)
Learn More investors buying Charles River Laboratories International stock.

Charles River Laboratories International Active Insiders

James C. Foster
James C. Foster (Age 74)
CEO
David Ross Smith (Age 60)
CFO
Michael Gunnar Knell
Michael Gunnar Knell (Age 49)
CAO
George Massaro
George Massaro
Director
Deborah Turner Kochevar
Deborah Turner Kochevar
Director
Robert J Bertolini
Robert J Bertolini
Director
Stephen D Chubb
Stephen D Chubb
Director
Richard F Wallman
Richard F Wallman
Director
Victoria L. Creamer
Victoria L. Creamer
EVP
Joseph W Laplume
Joseph W Laplume
EVP
Shannon M Parisotto
Shannon M Parisotto
EVP
Birgit Girshick
Birgit Girshick (Age 55)
VP
William D. Barbo
William D. Barbo (Age 64)
VP