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Koppers Holdings Inc.

KOP
Exchange
NYSE
Industry
Lumber & Wood Products (No Furniture)
SEC CIK
0001315257

In the last 90 days, Koppers Holdings Inc. insiders filed 0 open-market purchases and 6 sales; 217 institutions reported holding it in 13F filings for Q2 2026, worth $871.2M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Koppers Holdings Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
193
−3 vs. Q3 2025
Shares held
19.3M
+878.7K (+4.8%) vs. Q3 2025
Total value
$523.2M
+$7.00M (+1.4%) vs. Q3 2025
New holders
21
65 more added
Sold out
24
75 more reduced

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting KOP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 193 institutions
Q1 2021: 147 institutionsQ2 2021: 140 institutionsQ3 2021: 141 institutionsQ4 2021: 148 institutionsQ1 2022: 145 institutionsQ2 2022: 142 institutionsQ3 2022: 138 institutionsQ4 2022: 139 institutionsQ1 2023: 153 institutionsQ2 2023: 152 institutionsQ3 2023: 169 institutionsQ4 2023: 180 institutionsQ1 2024: 183 institutionsQ2 2024: 184 institutionsQ3 2024: 191 institutionsQ4 2024: 191 institutionsQ1 2025: 185 institutionsQ2 2025: 203 institutionsQ3 2025: 200 institutionsQ4 2025: 193 institutionsQ1 2026: 204 institutionsQ2 2026: 217 institutions
Value heldQ4 2025: $523.2M
Q1 2021: $657.6MQ2 2021: $625.0MQ3 2021: $614.0MQ4 2021: $589.5MQ1 2022: $521.0MQ2 2022: $416.0MQ3 2022: $385.9MQ4 2022: $515.7MQ1 2023: $645.3MQ2 2023: $631.7MQ3 2023: $752.0MQ4 2023: $997.5MQ1 2024: $1.09BQ2 2024: $698.5MQ3 2024: $676.8MQ4 2024: $610.0MQ1 2025: $530.7MQ2 2025: $599.1MQ3 2025: $517.8MQ4 2025: $523.2MQ1 2026: $738.0MQ2 2026: $871.2M
Institutions holding KOP and their total value by quarter
QuarterHoldersValue
Q2 2026217$871.2M
Q1 2026204$738.0M
Q4 2025193$523.2M
Q3 2025200$517.8M
Q2 2025203$599.1M
Q1 2025185$530.7M
Q4 2024191$610.0M
Q3 2024191$676.8M
Q2 2024184$698.5M
Q1 2024183$1.09B
Q4 2023180$997.5M
Q3 2023169$752.0M
Q2 2023152$631.7M
Q1 2023153$645.3M
Q4 2022139$515.7M
Q3 2022138$385.9M
Q2 2022142$416.0M
Q1 2022145$521.0M
Q4 2021148$589.5M
Q3 2021141$614.0M
Q2 2021140$625.0M
Q1 2021147$657.6M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Koppers Holdings Inc.; share changes are against Q3 2025.

Institutions holding KOP in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.3,703,517$100.3M0.00%+56,477+1.5%Added
Vanguard Group Inc1,540,012$41.7M0.00%+5270.0%Added
Pzena Investment Management LLC1,204,252$32.6M0.10%−45,020−3.6%Reduced
Dimensional Fund Advisors LP1,173,525$31.8M0.01%−4,889−0.4%Reduced
Fuller & Thaler Asset Management, Inc.1,013,818$27.5M0.09%−95,886−8.6%Reduced
LSV Asset Management945,231$25.6M0.06%−9,200−1.0%Reduced
Simcoe Capital Management, LLC813,590$22.0M3.94%+813,590New
State Street Corp764,324$20.7M0.00%−5,231−0.7%Reduced
Charles Schwab Investment Management Inc568,413$15.4M0.00%+22,114+4.0%Added
Quaker Capital Investments, LLC474,865$12.9M3.32%+56,500+13.5%Added
Geode Capital Management, LLC457,548$12.4M0.00%−8,283−1.8%Reduced
American Century Companies Inc419,323$11.4M0.01%+92,584+28.3%Added
Ameriprise Financial Inc273,206$7.40M0.00%−7,499−2.7%Reduced
Northern Trust Corp239,006$6.47M0.00%−12,947−5.1%Reduced
Dana Investment Advisors, Inc.235,769$6.38M0.19%−301−0.1%Reduced
Bank of New York Mellon Corp231,331$6.26M0.00%+32,104+16.1%Added
Invesco Ltd.212,433$5.75M0.00%+239+0.1%Added
Russell Investments Group, Ltd.210,209$5.69M0.01%+30,270+16.8%Added
Morgan Stanley209,928$5.68M0.00%−10,235−4.6%Reduced
Two Sigma Investments, LP195,438$5.29M0.01%+19,666+11.2%Added
CSM Advisors, LLC177,480$4.81M0.13%+37,835+27.1%Added
Huntington National Bank164,551$4.46M0.03%00.0%Unchanged
Bridgeway Capital Management, LLC140,128$3.79M0.08%−73,788−34.5%Reduced
Goldman Sachs Group Inc136,080$3.69M0.00%+58,899+76.3%Added
Universal- Beteiligungs- und Servicegesellschaft mbH129,820$3.52M0.01%00.0%Unchanged
Principal Financial Group Inc116,473$3.15M0.00%+5,916+5.4%Added
Seizert Capital Partners, LLC112,401$3.04M0.13%+76,068+209.4%Added
O'Shaughnessy Asset Management, LLC104,179$2.82M0.02%+37,540+56.3%Added
Bank of America Corp101,515$2.75M0.00%−6,847−6.3%Reduced
AQR Capital Management LLC94,986$2.57M0.00%−4,516−4.5%Reduced
Empowered Funds, LLC89,175$2.41M0.04%−28,388−24.1%Reduced
Kestrel Investment Management Corp83,750$2.27M1.29%−3,000−3.5%Reduced
Skylands Capital, LLC80,750$2.19M0.30%+17,370+27.4%Added
Lazard Asset Management LLC79,029$2.14M0.00%+58,982+294.2%Added
Santori & Peters79,006$2.14M0.73%00.0%Unchanged
Ironwood Investment Management LLC77,416$2.10M0.88%−5,000−6.1%Reduced
Two Sigma Advisers, LP74,800$2.03M0.00%−4,900−6.1%Reduced
Intech Investment Management LLC73,572$1.99M0.02%+61,728+521.2%Added
Villanova Investment Management Co LLC71,657$1.94M1.37%−80.0%Reduced
JB Capital Partners LP70,000$1.90M0.33%+70,000New
JPMorgan Chase & Co69,955$1.89M0.00%+6,617+10.4%Added
Federated Hermes, Inc.68,127$1.84M0.00%+2,432+3.7%Added
Public Sector Pension Investment Board67,865$1.84M0.01%−8,998−11.7%Reduced
Nuveen, LLC63,569$1.72M0.00%−3,182−4.8%Reduced
First Trust Advisors LP62,361$1.69M0.00%+567+0.9%Added
Jacobs Levy Equity Management, Inc59,093$1.60M0.01%−29,277−33.1%Reduced
Rhumbline Advisers57,509$1.56M0.00%−3,739−6.1%Reduced
Waterfront Wealth Inc.53,168$1.54M0.29%+15,481+41.1%Added
UBS Asset Management Americas Inc54,071$1.46M0.00%−80−0.1%Reduced
Citigroup Inc52,251$1.41M0.00%−1,947−3.6%Reduced
Squarepoint Ops LLC48,470$1.31M0.00%−41,573−46.2%Reduced
Legal & General Group Plc48,375$1.31M0.00%−1,183−2.4%Reduced
Engineers Gate Manager LP48,228$1.31M0.02%+332+0.7%Added
Brandywine Global Investment Management, LLC44,880$1.22M0.01%+4,020+9.8%Added
HRT Financial LP44,528$1.21M0.00%−51,545−53.7%Reduced
ExodusPoint Capital Management, LP42,553$1.15M0.01%+33,255+357.7%Added
Pacific Ridge Capital Partners, LLC39,568$1.07M0.24%+1,760+4.7%Added
Swiss National Bank39,300$1.06M0.00%00.0%Unchanged
Citadel Advisors LLC38,241$1.04M0.00%+38,241New
Victory Capital Management Inc38,150$1.03M0.00%+850+2.3%Added
Nomura Asset Management International Inc.37,700$1.02M0.00%+37,700New
SEI Investments Co37,321$1.01M0.00%+37,321New
UBS Group AG36,042$976.0K0.00%+20,463+131.3%Added
Trexquant Investment LP35,947$973.4K0.01%−35,458−49.7%Reduced
Barclays PLC35,939$973.2K0.00%+6,196+20.8%Added
Point72 Asset Management, L.P.35,116$950.9K0.00%+17,498+99.3%Added
Gamco Investors, Inc. Et Al30,714$831.7K0.01%−11,000−26.4%Reduced
Voya Investment Management LLC30,554$827.4K0.00%+420+1.4%Added
New York State Teachers Retirement System30,099$815.0K0.00%−106−0.4%Reduced
Millennium Management LLC29,559$800.5K0.00%−43,579−59.6%Reduced
Dynamic Technology Lab Private Ltd29,423$797.0K0.18%+308+1.1%Added
Royal Bank of Canada28,309$767.0K0.00%−40,487−58.9%Reduced
Globeflex Capital L P27,190$736.3K0.11%00.0%Unchanged
EntryPoint Capital, LLC24,716$669.3K0.26%−1,205−4.6%Reduced
XTX Topco Ltd24,255$656.8K0.02%+24,255New
Supplemental Annuity Collective Trust of NJ24,000$649.9K0.17%00.0%Unchanged
Mangrove Partners22,732$615.6K0.05%+22,732New
Boston Partners22,080$597.9K0.00%+937+4.4%Added
Campbell & CO Investment Adviser LLC21,657$586.5K0.03%+2,128+10.9%Added
Wells Fargo & Company21,383$579.0K0.00%+6,094+39.9%Added
Price T Rowe Associates Inc20,980$569.0K0.00%+186+0.9%Added
Guggenheim Capital LLC20,959$567.6K0.00%+20,959New
D. E. Shaw & Co., Inc.20,405$552.6K0.00%+3,920+23.8%Added
CWA Asset Management Group, LLC19,861$537.8K0.02%+19,861New
Mariner, LLC24,016$526.5K0.00%+2,830+13.4%Added
Prudential Financial Inc19,159$518.8K0.00%−1,380−6.7%Reduced
California State Teachers Retirement System18,848$510.4K0.00%−40−0.2%Reduced
Quest Partners LLC18,671$505.6K0.03%+4,617+32.9%Added
KLP Kapitalforvaltning AS18,400$498.3K0.00%00.0%Unchanged
Numerai GP LLC17,996$487.3K0.06%+17,996New
Alliancebernstein L.P.17,623$477.2K0.00%−3,220−15.4%Reduced
Great West Life Assurance Co17,400$472.0K0.00%00.0%Unchanged
State of Wisconsin Investment Board17,418$471.7K0.00%−23,147−57.1%Reduced
Hancock Whitney Corp16,865$456.7K0.01%−1,503−8.2%Reduced
State of Tennessee, Treasury Department15,256$449.4K0.00%+4,123+37.0%Added
Verition Fund Management LLC16,470$446.0K0.00%+639+4.0%Added
Creative Planning16,258$440.3K0.00%+4,078+33.5%Added
Quantinno Capital Management LP15,861$429.5K0.00%+7,682+93.9%Added
Comerica Bank15,530$420.6K0.00%+2,651+20.6%Added
Marble Wealth, LLC15,085$408.5K0.06%+15,085New