COMPASS MINERALS INTERNATION (CMP) Stock Institutional Trading Activity


COMPASS MINERALS INTERNATION (CMP) 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, First Eagle U.S. Value, Hillman Value Fund, Parnassus Endeavor Fund, and Jensen Investment 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 2017Parnassus Endeavor FundBuy27,9983,035,178$200,566
Q1 2017Renaissance Technologies LLCBuy72,00090,500$6,140
Q4 2016Parnassus Endeavor FundBuy230,5043,007,180$235,613
Q4 2016Renaissance Technologies LLCSell-154,40018,500$1,449
Q3 2016Parnassus Endeavor FundBuy261,7502,776,676$204,641
Q2 2016Parnassus Endeavor FundBuy79,7112,514,926$186,582
Q1 2016Parnassus Endeavor FundBuy2,0802,435,215$172,559
Q1 2016Jensen Investment ManagementBuy1,0605,850$415
Q4 2015Parnassus Endeavor FundBuy17,0432,433,135$176,655
Q4 2015Jensen Investment ManagementSell-9504,790$361
Q3 2015Parnassus Endeavor FundBuy88,7492,416,092$182,595
Q2 2015Parnassus Endeavor FundBuy2,5222,327,343$191,168
Q2 2015Jensen Investment ManagementBuy5,7405,740$471
Q2 2015Renaissance Technologies LLCBuy83,300172,900$14,202
Q1 2015Parnassus Endeavor FundBuy18,8752,324,821$216,697
Q1 2015Renaissance Technologies LLCSell-48,50089,600$8,352
Q4 2014Parnassus Endeavor FundSell-61,1352,305,946$200,225
Q4 2014Renaissance Technologies LLCSell-102,800138,100$11,991
Q3 2014Parnassus Endeavor FundSell-30,9532,367,081$199,498
Q3 2014Renaissance Technologies LLCSell-14,500240,900$20,303
Q2 2014Parnassus Endeavor FundSell-219,5742,398,034$229,588
Q2 2014Renaissance Technologies LLCBuy230,900255,400$24,452
Q1 2014Parnassus Endeavor FundBuy62,617,608$216,005
Q1 2014Third Avenue ManagementSell-84,981464,147$38,301
Q4 2013Parnassus Endeavor FundBuy184,0032,617,602$209,539
Q4 2013Hillman Value FundBuy1549,668$774
Q3 2013Parnassus Endeavor FundBuy361,0632,433,599$185,611
Q3 2013Third Avenue ManagementBuy55,128549,128$41,882
Q2 2013Torray FundBuy37,33937,339$3,156
Q2 2013Parnassus Endeavor FundBuy2,072,5362,072,536$175,191

Frequently asked questions about CMP activity

  • Which institutional owners are buying CMP?

    Institutional owners buying CMP 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 CMP activity?

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

  • Is institutional interest in CMP increasing?

    Institutional interest in CMP 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.