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, Q1 2026
Institutional positions in Koppers Holdings Inc. as of Mar 31, 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
- 204
- +16 vs. Q4 2025
- Shares held
- 19.1M
- +1.38M (+7.8%) vs. Q4 2025
- Total value
- $738.0M
- +$258.2M (+53.8%) vs. Q4 2025
- New holders
- 35
- 69 more added
- Sold out
- 19
- 65 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| 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, Q1 2026
Shares, value and share of portfolio for each institution holding Koppers Holdings Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Asset Management, Ltd | 12,008 | $464.5K | 0.00% | +12,008 | New |
| D. E. Shaw & Co., Inc. | 12,511 | $483.9K | 0.00% | −7,894−38.7% | Reduced |
| Thrivent Financial for Lutherans | 13,092 | $506.0K | 0.00% | −386−2.9% | Reduced |
| Alliancebernstein L.P. | 18,803 | $509.2K | 0.00% | +1,180+6.7% | Added |
| Kennondale Capital Management LLC | 13,578 | $525.2K | 0.38% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 13,694 | $529.7K | 0.00% | +1,414+11.5% | Added |
| Balyasny Asset Management LLC | 14,356 | $555.3K | 0.00% | +14,356 | New |
| Pathstone Holdings, LLC | 14,451 | $559.0K | 0.00% | −34−0.2% | Reduced |
| Harbor Capital Advisors, Inc. | 14,733 | $570.0K | 0.05% | +6,355+75.9% | Added |
| Marble Wealth, LLC | 15,085 | $583.5K | 0.10% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 15,256 | $590.1K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 20,013 | $595.3K | 0.00% | −4,003−16.7% | Reduced |
| Vident Advisory, LLC | 15,460 | $598.0K | 0.01% | +15,460 | New |
| EntryPoint Capital, LLC | 15,512 | $600.0K | 0.18% | −9,204−37.2% | Reduced |
| Fifth Third Bancorp | 15,933 | $616.3K | 0.00% | +15,714+7,175.3% | Added |
| Deutsche Bank AG | 16,403 | $634.5K | 0.00% | +2,356+16.8% | Added |
| Boston Partners | 16,578 | $641.2K | 0.00% | −5,502−24.9% | Reduced |
| Great West Life Assurance Co | 17,400 | $672.0K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 18,394 | $711.5K | 0.00% | +2,136+13.1% | Added |
| KLP Kapitalforvaltning AS | 18,400 | $711.7K | 0.00% | 00.0% | Unchanged |
| Hancock Whitney Corp | 17,667 | $721.3K | 0.01% | +802+4.8% | Added |
| California State Teachers Retirement System | 18,708 | $723.6K | 0.00% | −140−0.7% | Reduced |
| Horizon Investments, LLC | 18,828 | $728.3K | 0.01% | +18,828 | New |
| Quantinno Capital Management LP | 19,839 | $767.4K | 0.00% | +3,978+25.1% | Added |
| Prudential Financial Inc | 19,929 | $770.9K | 0.00% | +770+4.0% | Added |
| Jacobs Levy Equity Management, Inc | 20,098 | $777.4K | 0.00% | −38,995−66.0% | Reduced |
| New York State Common Retirement Fund | 20,470 | $791.8K | 0.00% | +14,300+231.8% | Added |
| Skylands Capital, LLC | 21,050 | $814.2K | 0.11% | −59,700−73.9% | Reduced |
| Lazard Asset Management LLC | 21,395 | $827.6K | 0.00% | −57,634−72.9% | Reduced |
| State Board of Administration of Florida Retirement System | 24,565 | $950.2K | 0.00% | +24,565 | New |
| XTX Topco Ltd | 24,649 | $953.4K | 0.02% | +394+1.6% | Added |
| Price T Rowe Associates Inc | 24,891 | $963.0K | 0.00% | +3,911+18.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 26,611 | $1.03M | 0.00% | +26,114+5,254.3% | Added |
| Acadian Asset Management LLC | 26,835 | $1.04M | 0.00% | +26,835 | New |
| Globeflex Capital L P | 27,190 | $1.05M | 0.16% | 00.0% | Unchanged |
| Gamco Investors, Inc. Et Al | 28,814 | $1.11M | 0.01% | −1,900−6.2% | Reduced |
| Trexquant Investment LP | 29,524 | $1.14M | 0.01% | −6,423−17.9% | Reduced |
| Voya Investment Management LLC | 30,319 | $1.17M | 0.00% | −235−0.8% | Reduced |
| Nomura Asset Management International Inc. | 30,600 | $1.18M | 0.00% | −7,100−18.8% | Reduced |
| Susquehanna International Group, LLP | 31,638 | $1.22M | 0.00% | +21,500+212.1% | Added |
| UBS Group AG | 32,606 | $1.26M | 0.00% | −3,436−9.5% | Reduced |
| State of Wisconsin Investment Board | 33,744 | $1.31M | 0.00% | +16,326+93.7% | Added |
| Numerai GP LLC | 36,329 | $1.41M | 0.14% | +18,333+101.9% | Added |
| Victory Capital Management Inc | 37,150 | $1.44M | 0.00% | −1,000−2.6% | Reduced |
| Engineers Gate Manager LP | 38,443 | $1.49M | 0.02% | −9,785−20.3% | Reduced |
| Swiss National Bank | 39,300 | $1.52M | 0.00% | 00.0% | Unchanged |
| Waterfront Wealth Inc. | 41,495 | $1.61M | 0.29% | −11,673−22.0% | Reduced |
| Legal & General Group Plc | 43,017 | $1.66M | 0.00% | −5,358−11.1% | Reduced |
| Pacific Ridge Capital Partners, LLC | 43,489 | $1.68M | 0.36% | +3,921+9.9% | Added |
| Vanguard Global Advisers, LLC | 46,300 | $1.79M | 0.00% | +46,300 | New |
| Millennium Management LLC | 52,015 | $2.01M | 0.00% | +22,456+76.0% | Added |
| Denali Advisors LLC | 54,965 | $2.13M | 0.24% | +54,965 | New |
| Villanova Investment Management Co LLC | 55,835 | $2.16M | 2.21% | −15,822−22.1% | Reduced |
| Rhumbline Advisers | 57,867 | $2.24M | 0.00% | +358+0.6% | Added |
| UBS Asset Management Americas Inc | 58,902 | $2.28M | 0.00% | +4,831+8.9% | Added |
| Ironwood Investment Management LLC | 59,416 | $2.30M | 0.96% | −18,000−23.3% | Reduced |
| Franklin Resources Inc | 62,443 | $2.42M | 0.00% | +49,082+367.4% | Added |
| Nuveen, LLC | 63,119 | $2.44M | 0.00% | −450−0.7% | Reduced |
| Citigroup Inc | 63,810 | $2.47M | 0.00% | +11,559+22.1% | Added |
| First Trust Advisors LP | 64,141 | $2.48M | 0.00% | +1,780+2.9% | Added |
| Federated Hermes, Inc. | 67,853 | $2.62M | 0.00% | −274−0.4% | Reduced |
| SEI Investments Co | 69,979 | $2.71M | 0.00% | +32,658+87.5% | Added |
| Public Sector Pension Investment Board | 70,219 | $2.72M | 0.01% | +2,354+3.5% | Added |
| JB Capital Partners LP | 78,101 | $3.02M | 0.52% | +8,101+11.6% | Added |
| Santori & Peters | 79,006 | $3.06M | 0.95% | 00.0% | Unchanged |
| Kestrel Investment Management Corp | 83,450 | $3.23M | 1.93% | −300−0.4% | Reduced |
| HRT Financial LP | 85,775 | $3.32M | 0.01% | +41,247+92.6% | Added |
| JPMorgan Chase & Co | 90,679 | $3.47M | 0.00% | +20,724+29.6% | Added |
| Lord, Abbett & Co. LLC | 90,000 | $3.48M | 0.01% | +90,000 | New |
| AQR Capital Management LLC | 95,467 | $3.69M | 0.00% | +481+0.5% | Added |
| Empowered Funds, LLC | 96,573 | $3.74M | 0.02% | +7,398+8.3% | Added |
| O'Shaughnessy Asset Management, LLC | 109,854 | $4.25M | 0.02% | +5,675+5.4% | Added |
| Seizert Capital Partners, LLC | 113,135 | $4.38M | 0.20% | +734+0.7% | Added |
| Vanguard Fiduciary Trust Co | 126,216 | $4.88M | 0.00% | +126,216 | New |
| Bank of America Corp | 128,948 | $4.99M | 0.00% | +27,433+27.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 129,850 | $5.02M | 0.01% | +300.0% | Added |
| Principal Financial Group Inc | 135,586 | $5.24M | 0.00% | +19,113+16.4% | Added |
| Goldman Sachs Group Inc | 144,845 | $5.60M | 0.00% | +8,765+6.4% | Added |
| Jane Street Group, LLC | 146,949 | $5.68M | 0.01% | +146,949 | New |
| Bridgeway Capital Management, LLC | 147,526 | $5.71M | 0.11% | +7,398+5.3% | Added |
| Huntington National Bank | 157,099 | $6.08M | 0.03% | −7,452−4.5% | Reduced |
| Arrowstreet Capital, Limited Partnership | 162,072 | $6.27M | 0.00% | +162,072 | New |
| Russell Investments Group, Ltd. | 183,221 | $7.09M | 0.01% | −26,988−12.8% | Reduced |
| Invesco Ltd. | 185,586 | $7.18M | 0.00% | −26,847−12.6% | Reduced |
| CSM Advisors, LLC | 194,555 | $7.52M | 0.18% | +17,075+9.6% | Added |
| Morgan Stanley | 221,536 | $8.57M | 0.00% | +11,608+5.5% | Added |
| Bank of New York Mellon Corp | 224,256 | $8.67M | 0.00% | −7,075−3.1% | Reduced |
| Dana Investment Advisors, Inc. | 235,235 | $9.10M | 0.27% | −534−0.2% | Reduced |
| Northern Trust Corp | 245,163 | $9.48M | 0.00% | +6,157+2.6% | Added |
| Ameriprise Financial Inc | 261,788 | $10.1M | 0.00% | −11,418−4.2% | Reduced |
| Two Sigma Investments, LP | 417,536 | $16.2M | 0.01% | +222,098+113.6% | Added |
| Quaker Capital Investments, LLC | 457,852 | $17.7M | 4.33% | −17,013−3.6% | Reduced |
| Geode Capital Management, LLC | 467,609 | $18.1M | 0.00% | +10,061+2.2% | Added |
| Charles Schwab Investment Management Inc | 477,878 | $18.5M | 0.00% | −90,535−15.9% | Reduced |
| Vanguard Portfolio Management LLC | 530,532 | $20.5M | 0.00% | +530,532 | New |
| American Century Companies Inc | 535,002 | $20.7M | 0.01% | +115,679+27.6% | Added |
| State Street Corp | 752,264 | $29.1M | 0.00% | −12,060−1.6% | Reduced |
| Vanguard Capital Management LLC | 840,446 | $32.5M | 0.00% | +840,446 | New |
| LSV Asset Management | 926,031 | $35.8M | 0.08% | −19,200−2.0% | Reduced |
| Simcoe Capital Management, LLC | 944,430 | $36.5M | 6.78% | +130,840+16.1% | Added |