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, Q2 2026
Institutional positions in Koppers Holdings Inc. as of Jun 30, 2026. 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
- 217
- +18 vs. Q1 2026
- Shares held
- 19.4M
- +346.1K (+1.8%) vs. Q1 2026
- Total value
- $871.2M
- +$134.4M (+18.2%) vs. Q1 2026
- New holders
- 33
- 73 more added
- Sold out
- 15
- 67 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 217 | $871.2M |
| Q1 2026 | 204 | $738.0M |
| Q4 2025 | 193 | $523.2M |
| Q3 2025 | 200 | $517.8M |
| Q2 2025 | 203 | $599.1M |
| Q1 2025 | 185 | $530.7M |
| Q4 2024 | 191 | $610.0M |
| Q3 2024 | 191 | $676.8M |
| Q2 2024 | 184 | $698.5M |
| Q1 2024 | 183 | $1.09B |
| Q4 2023 | 180 | $997.5M |
| Q3 2023 | 169 | $752.0M |
| Q2 2023 | 152 | $631.7M |
| Q1 2023 | 153 | $645.3M |
| Q4 2022 | 139 | $515.7M |
| Q3 2022 | 138 | $385.9M |
| Q2 2022 | 142 | $416.0M |
| Q1 2022 | 145 | $521.0M |
| Q4 2021 | 148 | $589.5M |
| Q3 2021 | 141 | $614.0M |
| Q2 2021 | 140 | $625.0M |
| Q1 2021 | 147 | $657.6M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Koppers Holdings Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Northern Trust Corp | 253,481 | $11.4M | 0.00% | +8,318+3.4% | Added |
| Two Sigma Investments, LP | 266,052 | $11.9M | 0.01% | −151,484−36.3% | Reduced |
| Ameriprise Financial Inc | 285,656 | $12.8M | 0.00% | +23,868+9.1% | Added |
| Invesco Ltd. | 332,605 | $14.9M | 0.00% | +147,019+79.2% | Added |
| Charles Schwab Investment Management Inc | 384,122 | $17.2M | 0.00% | −93,756−19.6% | Reduced |
| Quaker Capital Investments, LLC | 408,555 | $18.3M | 5.02% | −49,297−10.8% | Reduced |
| Geode Capital Management, LLC | 483,417 | $21.7M | 0.00% | +15,808+3.4% | Added |
| Vanguard Portfolio Management LLC | 539,047 | $24.2M | 0.00% | +8,515+1.6% | Added |
| State Street Corp | 804,553 | $36.1M | 0.00% | +52,289+7.0% | Added |
| Vanguard Capital Management LLC | 812,629 | $36.5M | 0.00% | −27,817−3.3% | Reduced |
| American Century Companies Inc | 848,068 | $38.1M | 0.02% | +313,066+58.5% | Added |
| LSV Asset Management | 941,881 | $42.3M | 0.08% | +15,850+1.7% | Added |
| Fuller & Thaler Asset Management, Inc. | 943,279 | $42.4M | 0.12% | −35,311−3.6% | Reduced |
| Pzena Investment Management LLC | 1,061,285 | $47.7M | 0.14% | −148,091−12.2% | Reduced |
| Dimensional Fund Advisors LP | 1,237,249 | $55.6M | 0.01% | +45,891+3.9% | Added |
| Simcoe Capital Management, LLC | 1,416,160 | $63.6M | 12.34% | +471,730+49.9% | Added |
| BlackRock, Inc. | 3,047,603 | $136.8M | 0.00% | +2,491+0.1% | Added |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −90,000−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −52,015−100.0% | Sold out |
| Waterfront Wealth Inc. | 0 | $0 | 0.00% | −41,495−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −36,329−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −31,638−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −29,524−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −14,356−100.0% | Sold out |
| J. Safra Sarasin Holding AG | 0 | $0 | 0.00% | −10,255−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −8,237−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −7,429−100.0% | Sold out |
| Baird Financial Group, Inc. | 0 | $0 | 0.00% | −7,385−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| Kilter Group LLC | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| DGS Capital Management, LLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |