KOPPERS HOLDINGS INC (KOP) Stock Institutional Trading Activity


KOPPERS HOLDINGS INC (KOP) 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 Hancock Classic Value, Renaissance Technologies LLC, Sequoia Financial Advisors, Jensen Investment Management, and Arbiter Partners 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 2025Renaissance Technologies LLCSell-19,4007,900$213,932
Q4 2025Hancock Classic ValueSell-45,0201,204,252$32,611,144
Q3 2025Renaissance Technologies LLCBuy1,30027,300$764,400
Q3 2025Hancock Classic ValueBuy1,2401,249,272$34,979,616
Q2 2025Sequoia Financial AdvisorsBuy5727,084$227,758
Q2 2025Renaissance Technologies LLCSell-18,40026,000$835,900
Q2 2025Hancock Classic ValueBuy26,7041,248,032$40,124,229
Q1 2025Renaissance Technologies LLCSell-112,23244,400$1,243,200
Q1 2025Hancock Classic ValueBuy312,5561,221,328$34,197,184
Q4 2024Sequoia Financial AdvisorsBuy806,512$210,996
Q4 2024Renaissance Technologies LLCBuy78,732156,632$5,074,877
Q4 2024Hancock Classic ValueBuy138,603908,772$29,444,213
Q3 2024Sequoia Financial AdvisorsSell-986,432$234,969
Q3 2024Renaissance Technologies LLCSell-10077,900$2,845,687
Q3 2024Hancock Classic ValueBuy368,709770,169$28,134,274
Q2 2024Sequoia Financial AdvisorsBuy1336,530$241,553
Q2 2024Renaissance Technologies LLCBuy8,30078,000$2,885,220
Q2 2024Hancock Classic ValueSell-74,172401,460$14,850,005
Q1 2024Renaissance Technologies LLCSell-17,10069,700$3,845
Q1 2024Hancock Classic ValueSell-56,941475,632$26,240,617
Q4 2023Renaissance Technologies LLCBuy58,70086,800$4,446
Q4 2023Sequoia Financial AdvisorsBuy6,3976,397$327,655
Q4 2023Hancock Classic ValueSell-30,985532,573$27,278,389
Q3 2023Renaissance Technologies LLCBuy12,90028,100$1,111
Q3 2023Hancock Classic ValueSell-2,212563,558$22,288,719
Q2 2023Renaissance Technologies LLCBuy8,20015,200$518
Q2 2023Hancock Classic ValueSell-11,541565,770$19,292,757
Q1 2023Renaissance Technologies LLCSell-6,8007,000$245
Q1 2023Hancock Classic ValueBuy74,015577,311$20,188,566
Q4 2022Hancock Classic ValueBuy69,596503,296$14,192,947

Frequently asked questions about KOP activity

  • Which institutional owners are buying KOP?

    Institutional owners buying KOP 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 KOP activity?

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

  • Is institutional interest in KOP increasing?

    Institutional interest in KOP 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.