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 2016Ariel Appreciation FundSell-75,9351,666,955$126,589
Q1 2016Olstein Capital ManagementSell-7,71424,286$1,844
Q1 2016Renaissance Technologies LLCBuy77,700950,209$72,159
Q4 2015Ariel Appreciation FundBuy68,5601,742,890$140,111
Q4 2015Renaissance Technologies LLCBuy56,300872,509$70,141
Q3 2015Ariel Appreciation FundSell-5,3201,674,330$106,353
Q3 2015Renaissance Technologies LLCSell-266,400816,209$51,846
Q2 2015Ariel Appreciation FundSell-78,7951,679,650$118,147
Q2 2015Renaissance Technologies LLCBuy253,2771,082,609$76,151
Q1 2015Ariel Appreciation FundSell-245,6101,758,445$139,427
Q1 2015Renaissance Technologies LLCBuy416,723829,332$65,758
Q4 2014Ariel Appreciation FundBuy7,7852,004,055$127,538
Q4 2014Olstein Capital ManagementSell-89,00032,000$2,036
Q4 2014Renaissance Technologies LLCBuy53,800412,609$26,258
Q3 2014Ariel Appreciation FundBuy45,6131,996,270$119,257
Q3 2014Olstein Capital ManagementSell-12,000121,000$7,229
Q3 2014Renaissance Technologies LLCBuy25,700358,809$21,435
Q2 2014Ariel Appreciation FundSell-58,6051,950,657$104,399
Q2 2014Olstein Capital ManagementBuy52,000133,000$7,118
Q2 2014Renaissance Technologies LLCSell-468,309333,109$17,828
Q1 2014Ariel Appreciation FundSell-619,9552,009,262$121,239
Q1 2014Olstein Capital ManagementSell-88,00081,000$4,888
Q1 2014Renaissance Technologies LLCBuy134,709801,418$48,358
Q4 2013Ariel Appreciation FundSell-120,6882,629,217$139,454
Q4 2013Olstein Capital ManagementSell-7,000169,000$8,964
Q4 2013Renaissance Technologies LLCSell-239,500666,709$35,362
Q3 2013Ariel Appreciation FundBuy15,4552,749,905$127,211
Q3 2013Renaissance Technologies LLCSell-278,100906,209$41,921
Q2 2013Olstein Capital ManagementBuy176,000176,000$7,221
Q2 2013Ariel Appreciation FundBuy2,734,4502,734,450$112,194

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.