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 |
|---|---|---|---|---|---|
| Engineers Gate Manager LP | 11,940 | $536.1K | 0.01% | −26,503−68.9% | Reduced |
| Gotham Asset Management, LLC | 11,522 | $517.3K | 0.00% | +11,522 | New |
| Squarepoint Ops LLC | 11,304 | $507.6K | 0.00% | +5,744+103.3% | Added |
| HSBC Holdings PLC | 11,095 | $503.7K | 0.00% | +2,618+30.9% | Added |
| MetLife Investment Management | 11,217 | $503.6K | 0.00% | 00.0% | Unchanged |
| Bristlecone Value Partners, LLC | 10,650 | $478.2K | 0.38% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 10,263 | $460.8K | 0.01% | +62+0.6% | Added |
| Mariner, LLC | 10,033 | $450.5K | 0.00% | −9,980−49.9% | Reduced |
| Virginia Retirement Systems Et Al | 9,900 | $444.5K | 0.00% | +9,900 | New |
| EP Wealth Advisors, LLC | 9,810 | $440.5K | 0.00% | −430−4.2% | Reduced |
| PDT Partners, LLC | 9,583 | $430.3K | 0.02% | 00.0% | Unchanged |
| Jupiter Topco LLC | 9,208 | $413.4K | 0.00% | +9,208 | New |
| Boston Partners | 9,177 | $412.1K | 0.00% | −7,401−44.6% | Reduced |
| State of Wyoming | 8,550 | $383.9K | 0.04% | +1,846+27.5% | Added |
| Daytona Street Capital LLC | 8,000 | $382.3K | 0.28% | 00.0% | Unchanged |
| Integrated Quantitative Investments LLC | 8,436 | $378.8K | 0.06% | +8,436 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 8,417 | $377.9K | 0.00% | −588−6.5% | Reduced |
| Louisiana State Employees Retirement System | 8,400 | $377.2K | 0.01% | −300−3.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,670 | $344.4K | 0.00% | +1,379+21.9% | Added |
| State of Alaska, Department of Revenue | 7,156 | $320.0K | 0.00% | −3,544−33.1% | Reduced |
| Atria Investments LLC | 7,046 | $316.4K | 0.00% | +59+0.8% | Added |
| Envestnet Asset Management Inc | 6,980 | $313.4K | 0.00% | −153−2.1% | Reduced |
| EntryPoint Capital, LLC | 6,652 | $298.7K | 0.07% | −8,860−57.1% | Reduced |
| Guggenheim Capital LLC | 6,434 | $288.9K | 0.00% | +1,054+19.6% | Added |
| Jones Financial Companies LLLP | 5,783 | $260.9K | 0.00% | +2,622+82.9% | Added |
| D.B. Root & Company, LLC | 5,705 | $256.2K | 0.05% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 5,703 | $256.1K | 0.00% | −18,862−76.8% | Reduced |
| Quadrant Capital Group LLC | 5,568 | $250.0K | 0.01% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 5,385 | $241.8K | 0.00% | +5,385 | New |
| The PNC Financial Services Group, Inc. | 5,361 | $240.7K | 0.00% | +71+1.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 5,334 | $239.5K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 5,140 | $231.0K | 0.00% | −483−8.6% | Reduced |
| SG Americas Securities, LLC | 5,114 | $230.0K | 0.00% | +868+20.4% | Added |
| Arizona State Retirement System | 5,069 | $227.6K | 0.00% | −319−5.9% | Reduced |
| Teachers Retirement System of the State of Kentucky | 4,990 | $224.0K | 0.00% | 00.0% | Unchanged |
| Swiss Life Asset Management Ltd | 4,942 | $221.9K | 0.00% | +4,942 | New |
| Kestra Advisory Services, LLC | 4,930 | $221.3K | 0.00% | −367−6.9% | Reduced |
| Yousif Capital Management, LLC | 4,832 | $217.0K | 0.00% | −419−8.0% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 4,821 | $216.5K | 0.00% | +4,821 | New |
| Manufacturers Life Insurance Company, The | 4,812 | $216.1K | 0.00% | −368−7.1% | Reduced |
| Mirabella Financial Services LLP | 4,768 | $214.1K | 0.02% | +4,768 | New |
| Glenmede Trust Co NA | 4,621 | $207.5K | 0.00% | +4,621 | New |
| JustInvest LLC | 4,571 | $205.2K | 0.00% | +4,571 | New |
| Vanguard Investments Australia, Ltd. | 4,562 | $204.8K | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 4,561 | $204.8K | 0.00% | +4,561 | New |
| Wealth Enhancement Advisory Services, LLC | 4,302 | $204.6K | 0.00% | +4,302 | New |
| DekaBank Deutsche Girozentrale | 5,222 | $199.0K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 4,420 | $198.5K | 0.00% | −100−2.2% | Reduced |
| STRS Ohio | 4,400 | $197.6K | 0.00% | +4,400 | New |
| BNP Paribas Arbitrage, SA | 3,260 | $146.4K | 0.00% | −1,414−30.3% | Reduced |
| Royal Bank of Canada | 3,249 | $146.0K | 0.00% | +764+30.7% | Added |
| New York State Teachers Retirement System | 3,111 | $140.0K | 0.00% | +94+3.1% | Added |
| FMR LLC | 3,071 | $137.9K | 0.00% | +446+17.0% | Added |
| Barclays PLC | 2,762 | $124.0K | 0.00% | −5,823−67.8% | Reduced |
| Copeland Capital Management, LLC | 2,095 | $94.1K | 0.00% | −95−4.3% | Reduced |
| Ensign Peak Advisors, Inc | 1,870 | $84.0K | 0.00% | −300−13.8% | Reduced |
| Ameritas Investment Partners, Inc. | 1,614 | $72.5K | 0.00% | 00.0% | Unchanged |
| Financial Consulate, Inc | 1,500 | $67.3K | 0.01% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 1,232 | $55.3K | 0.00% | +1,232 | New |
| Public Employees Retirement System of Ohio | 1,120 | $50.3K | 0.00% | −1,455−56.5% | Reduced |
| Nisa Investment Advisors, LLC | 1,006 | $45.2K | 0.00% | +360+55.7% | Added |
| GAMMA Investing LLC | 978 | $43.9K | 0.00% | +13+1.3% | Added |
| Tower Research Capital LLC (TRC) | 856 | $38.4K | 0.00% | −1,064−55.4% | Reduced |
| Parallel Advisors, LLC | 753 | $33.8K | 0.00% | +27+3.7% | Added |
| Versant Capital Management, Inc | 715 | $32.1K | 0.00% | −14−1.9% | Reduced |
| Nykredit A/S | 688 | $30.9K | 0.00% | +688 | New |
| Assetmark, Inc | 679 | $30.5K | 0.00% | +679 | New |
| Custom Index Systems, LLC | 649 | $29.1K | 0.01% | +649 | New |
| Brown, Lisle/Cummings, Inc. | 617 | $27.7K | 0.01% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 599 | $26.9K | 0.00% | +487+434.8% | Added |
| US Bancorp | 513 | $23.0K | 0.00% | −37−6.7% | Reduced |
| Ronald Blue Trust, Inc. | 488 | $21.9K | 0.00% | −9−1.8% | Reduced |
| Advisor Group Holdings, Inc. | 424 | $19.0K | 0.00% | +8+1.9% | Added |
| Pinnacle Wealth Planning Services, Inc. | 412 | $18.5K | 0.00% | +7+1.7% | Added |
| Salomon & Ludwin, LLC | 373 | $16.6K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 368 | $16.5K | 0.00% | +165+81.3% | Added |
| Sterling Capital Management LLC | 368 | $16.5K | 0.00% | −258−41.2% | Reduced |
| Hantz Financial Services, Inc. | 349 | $16.0K | 0.00% | +33+10.4% | Added |
| WealthCollab, LLC | 322 | $14.5K | 0.01% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 273 | $12.3K | 0.00% | −209−43.4% | Reduced |
| Signaturefd, LLC | 222 | $9.97K | 0.00% | +119+115.5% | Added |
| Smartleaf Asset Management LLC | 207 | $9.39K | 0.00% | 00.0% | Unchanged |
| Trust Co of Toledo NA | 191 | $8.58K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 188 | $8.44K | 0.00% | −28−13.0% | Reduced |
| Skylands Capital, LLC | 175 | $7.86K | 0.00% | −20,875−99.2% | Reduced |
| Essential Partners LLC | 163 | $7.32K | 0.00% | −25−13.3% | Reduced |
| Los Angeles Capital Management LLC | 156 | $7.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 148 | $7.00K | 0.00% | 00.0% | Unchanged |
| LRI Investments, LLC | 146 | $6.55K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 109 | $4.90K | 0.00% | −77−41.4% | Reduced |
| SJS Investment Consulting Inc. | 109 | $4.89K | 0.00% | +109 | New |
| Optiver Holding B.V. | 91 | $4.09K | 0.00% | +91 | New |
| IFP Advisors, Inc | 87 | $3.91K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 80 | $3.59K | 0.00% | 00.0% | Unchanged |
| Barrow Hanley Mewhinney & Strauss LLC | 80 | $3.59K | 0.00% | +80 | New |
| Quarry LP | 61 | $2.74K | 0.00% | +61 | New |
| Umb Bank N A | 60 | $2.69K | 0.00% | +6+11.1% | Added |
| Picton Mahoney Asset Management | 60 | $2.69K | 0.00% | +60 | New |
| Dogwood Wealth Management LLC | 60 | $2.69K | 0.00% | +60 | New |
| Wall Street Access Asset Management, LLC | 56 | $2.52K | 0.00% | +56 | New |