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
Q4 2018Ariel Appreciation FundSell-265,795988,171$111,841
Q4 2018Renaissance Technologies LLCBuy152,3091,877,109$212,451
Q3 2018Hancock Classic ValueBuy3,3905,615$755
Q3 2018Ariel Appreciation FundSell-63,6201,253,966$168,709
Q3 2018Renaissance Technologies LLCBuy264,5001,724,800$232,055
Q2 2018Hancock Classic ValueBuy2,2252,225$250
Q2 2018Ariel Appreciation FundSell-43,6911,317,586$147,912
Q1 2018Ariel Appreciation FundBuy8,0821,361,277$145,303
Q1 2018Renaissance Technologies LLCBuy61,6001,460,300$155,872
Q4 2017Ariel Appreciation FundSell-326,8711,353,195$148,107
Q4 2017Olstein Capital ManagementSell-11,87748,235$5,279
Q4 2017Renaissance Technologies LLCBuy58,9911,398,700$153,088
Q3 2017Ariel Appreciation FundSell-270,3011,680,066$181,481
Q3 2017Olstein Capital ManagementSell-17,02360,112$6,493
Q3 2017Renaissance Technologies LLCBuy119,8261,339,709$144,715
Q2 2017Ariel Appreciation FundSell-110,0531,950,367$197,280
Q2 2017Olstein Capital ManagementSell-30,92077,135$7,802
Q2 2017Renaissance Technologies LLCBuy153,3741,219,883$123,391
Q1 2017Ariel Appreciation FundBuy483,5642,060,420$185,335
Q1 2017Olstein Capital ManagementSell-27,980108,055$9,720
Q1 2017Renaissance Technologies LLCSell-53,7001,066,509$95,932
Q4 2016Ariel Appreciation FundBuy150,0141,576,856$120,141
Q4 2016Olstein Capital ManagementBuy50,410136,035$10,365
Q4 2016Renaissance Technologies LLCBuy184,3001,120,209$85,349
Q3 2016Ariel Appreciation FundSell-37,2881,426,842$118,913
Q3 2016Olstein Capital ManagementBuy29,72485,625$7,136
Q3 2016Renaissance Technologies LLCBuy155,800935,909$77,999
Q2 2016Ariel Appreciation FundSell-202,8251,464,130$120,703
Q2 2016Olstein Capital ManagementBuy31,61555,901$4,608
Q2 2016Renaissance Technologies LLCSell-170,100780,109$64,312

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.