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
Q3 2022Hancock Classic ValueBuy433,700433,700$9,012
Q2 2022Renaissance Technologies LLCSell-21,40013,800$312
Q1 2022Renaissance Technologies LLCSell-30,10035,200$969
Q1 2020Renaissance Technologies LLCSell-34,50065,300$808
Q4 2019Renaissance Technologies LLCBuy56,50099,800$3,814
Q3 2019Renaissance Technologies LLCSell-140,40043,300$1,265
Q4 2018Renaissance Technologies LLCSell-181,206183,700$3,130
Q3 2018Renaissance Technologies LLCSell-6,394364,906$11,367
Q1 2018Jensen Investment ManagementBuy50011,300$464
Q1 2018Renaissance Technologies LLCBuy39,900371,300$15,260
Q4 2017Renaissance Technologies LLCBuy118,400331,400$16,868
Q3 2017Jensen Investment ManagementBuy10,80010,800$498
Q3 2017Renaissance Technologies LLCBuy29,300213,000$9,830
Q2 2017Arbiter Partners Capital ManagementSell-7,0358,819$319
Q2 2017Renaissance Technologies LLCBuy5,700183,700$6,641
Q1 2017Arbiter Partners Capital ManagementSell-7,33915,854$671
Q1 2017Renaissance Technologies LLCBuy31,400178,000$7,538
Q4 2016Arbiter Partners Capital ManagementSell-1,23523,193$935
Q4 2016Renaissance Technologies LLCBuy42,200146,600$5,908
Q3 2016Renaissance Technologies LLCBuy35,600104,400$3,360
Q2 2016Arbiter Partners Capital ManagementSell-173,94024,428$751
Q2 2016Renaissance Technologies LLCSell-47,60068,800$2,114
Q1 2016Arbiter Partners Capital ManagementSell-30,663198,368$4,457
Q4 2015Renaissance Technologies LLCBuy67,300116,400$2,124
Q3 2015Renaissance Technologies LLCSell-58,10049,100$990
Q3 2015Arbiter Partners Capital ManagementBuy400229,031$4,620
Q2 2015Arbiter Partners Capital ManagementBuy228,631228,631$5,652
Q4 2014Renaissance Technologies LLCSell-136,049107,200$2,785
Q3 2014Renaissance Technologies LLCSell-87,351243,249$8,066
Q2 2014Renaissance Technologies LLCBuy18,508330,600$12,645

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.