CHARLES RIVER LABORATORIES (CRL) Stock Institutional Trading Activity


CHARLES RIVER LABORATORIES (CRL) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Ariel Appreciation Fund, Sequoia Financial Advisors, Meritage Group, and Polen Capital Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2022Renaissance Technologies LLCBuy7,30934,409$9,771
Q1 2022Viking Global InvestorsBuy131,524521,653$148,134
Q4 2021Ariel Appreciation FundSell-3,558179,647$67,688
Q4 2021Renaissance Technologies LLCSell-13,20027,100$10,211
Q4 2021Viking Global InvestorsBuy212,726390,129$146,993
Q3 2021Ariel Appreciation FundSell-37,894183,205$75,603
Q3 2021Renaissance Technologies LLCSell-16,50040,300$16,631
Q3 2021Viking Global InvestorsSell-174,465177,403$73,209
Q2 2021Ariel Appreciation FundSell-189,974221,099$81,789
Q2 2021Renaissance Technologies LLCSell-123,38956,800$21,011
Q2 2021Viking Global InvestorsSell-96,848351,868$130,163
Q1 2021Ariel Appreciation FundSell-1,793411,073$119,141
Q1 2021Renaissance Technologies LLCSell-254,300180,189$52,224
Q1 2021Viking Global InvestorsBuy448,716448,716$130,051
Q4 2020Ariel Appreciation FundSell-77,476412,866$103,159
Q4 2020Renaissance Technologies LLCSell-283,190434,489$108,561
Q3 2020Ariel Appreciation FundSell-134,264490,342$111,038
Q3 2020Renaissance Technologies LLCSell-317,100717,679$162,518
Q2 2020Ariel Appreciation FundSell-60,977624,606$108,900
Q2 2020Renaissance Technologies LLCSell-302,6091,034,779$180,414
Q1 2020Ariel Appreciation FundSell-164,511685,583$86,527
Q1 2020Renaissance Technologies LLCSell-90,1911,337,388$168,792
Q4 2019Ariel Appreciation FundBuy8,497850,094$129,860
Q4 2019Renaissance Technologies LLCSell-29,1041,427,579$218,077
Q3 2019Ariel Appreciation FundBuy26,090841,597$111,402
Q3 2019Renaissance Technologies LLCSell-207,8171,456,683$192,821
Q2 2019Ariel Appreciation FundSell-30,935815,507$115,720
Q2 2019Renaissance Technologies LLCSell-221,2001,664,500$236,193
Q1 2019Ariel Appreciation FundSell-141,729846,442$122,946
Q1 2019Renaissance Technologies LLCBuy8,5911,885,700$273,898

Frequently asked questions about CRL activity

  • Which institutional owners are buying CRL?

    Institutional owners buying CRL include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in CRL activity?

    "Buy" means an investor increased their reported position in CRL compared to the prior reporting period. This reflects growing exposure to CHARLES RIVER LABORATORIES (CRL) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CRL increasing?

    Institutional interest in CRL can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.