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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,045,112 | $117.8M | 0.00% | −658,405−17.8% | Reduced |
| Pzena Investment Management LLC | 1,209,376 | $46.8M | 0.15% | +5,124+0.4% | Added |
| Dimensional Fund Advisors LP | 1,191,358 | $46.1M | 0.01% | +17,833+1.5% | Added |
| Fuller & Thaler Asset Management, Inc. | 978,590 | $37.9M | 0.13% | −35,228−3.5% | Reduced |
| Simcoe Capital Management, LLC | 944,430 | $36.5M | 6.78% | +130,840+16.1% | Added |
| LSV Asset Management | 926,031 | $35.8M | 0.08% | −19,200−2.0% | Reduced |
| Vanguard Capital Management LLC | 840,446 | $32.5M | 0.00% | +840,446 | New |
| State Street Corp | 752,264 | $29.1M | 0.00% | −12,060−1.6% | Reduced |
| American Century Companies Inc | 535,002 | $20.7M | 0.01% | +115,679+27.6% | Added |
| Vanguard Portfolio Management LLC | 530,532 | $20.5M | 0.00% | +530,532 | New |
| Charles Schwab Investment Management Inc | 477,878 | $18.5M | 0.00% | −90,535−15.9% | Reduced |
| Geode Capital Management, LLC | 467,609 | $18.1M | 0.00% | +10,061+2.2% | Added |
| Quaker Capital Investments, LLC | 457,852 | $17.7M | 4.33% | −17,013−3.6% | Reduced |
| Two Sigma Investments, LP | 417,536 | $16.2M | 0.01% | +222,098+113.6% | Added |
| Ameriprise Financial Inc | 261,788 | $10.1M | 0.00% | −11,418−4.2% | Reduced |
| Northern Trust Corp | 245,163 | $9.48M | 0.00% | +6,157+2.6% | Added |
| Dana Investment Advisors, Inc. | 235,235 | $9.10M | 0.27% | −534−0.2% | Reduced |
| Bank of New York Mellon Corp | 224,256 | $8.67M | 0.00% | −7,075−3.1% | Reduced |
| Morgan Stanley | 221,536 | $8.57M | 0.00% | +11,608+5.5% | Added |
| CSM Advisors, LLC | 194,555 | $7.52M | 0.18% | +17,075+9.6% | Added |
| Invesco Ltd. | 185,586 | $7.18M | 0.00% | −26,847−12.6% | Reduced |
| Russell Investments Group, Ltd. | 183,221 | $7.09M | 0.01% | −26,988−12.8% | Reduced |
| Arrowstreet Capital, Limited Partnership | 162,072 | $6.27M | 0.00% | +162,072 | New |
| Huntington National Bank | 157,099 | $6.08M | 0.03% | −7,452−4.5% | Reduced |
| Bridgeway Capital Management, LLC | 147,526 | $5.71M | 0.11% | +7,398+5.3% | Added |
| Jane Street Group, LLC | 146,949 | $5.68M | 0.01% | +146,949 | New |
| Goldman Sachs Group Inc | 144,845 | $5.60M | 0.00% | +8,765+6.4% | Added |
| Principal Financial Group Inc | 135,586 | $5.24M | 0.00% | +19,113+16.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 129,850 | $5.02M | 0.01% | +300.0% | Added |
| Bank of America Corp | 128,948 | $4.99M | 0.00% | +27,433+27.0% | Added |
| Vanguard Fiduciary Trust Co | 126,216 | $4.88M | 0.00% | +126,216 | New |
| Seizert Capital Partners, LLC | 113,135 | $4.38M | 0.20% | +734+0.7% | Added |
| O'Shaughnessy Asset Management, LLC | 109,854 | $4.25M | 0.02% | +5,675+5.4% | Added |
| Empowered Funds, LLC | 96,573 | $3.74M | 0.02% | +7,398+8.3% | Added |
| AQR Capital Management LLC | 95,467 | $3.69M | 0.00% | +481+0.5% | Added |
| Lord, Abbett & Co. LLC | 90,000 | $3.48M | 0.01% | +90,000 | New |
| JPMorgan Chase & Co | 90,679 | $3.47M | 0.00% | +20,724+29.6% | Added |
| HRT Financial LP | 85,775 | $3.32M | 0.01% | +41,247+92.6% | Added |
| Kestrel Investment Management Corp | 83,450 | $3.23M | 1.93% | −300−0.4% | Reduced |
| Santori & Peters | 79,006 | $3.06M | 0.95% | 00.0% | Unchanged |
| JB Capital Partners LP | 78,101 | $3.02M | 0.52% | +8,101+11.6% | Added |
| Public Sector Pension Investment Board | 70,219 | $2.72M | 0.01% | +2,354+3.5% | Added |
| SEI Investments Co | 69,979 | $2.71M | 0.00% | +32,658+87.5% | Added |
| Federated Hermes, Inc. | 67,853 | $2.62M | 0.00% | −274−0.4% | Reduced |
| First Trust Advisors LP | 64,141 | $2.48M | 0.00% | +1,780+2.9% | Added |
| Citigroup Inc | 63,810 | $2.47M | 0.00% | +11,559+22.1% | Added |
| Nuveen, LLC | 63,119 | $2.44M | 0.00% | −450−0.7% | Reduced |
| Franklin Resources Inc | 62,443 | $2.42M | 0.00% | +49,082+367.4% | Added |
| Ironwood Investment Management LLC | 59,416 | $2.30M | 0.96% | −18,000−23.3% | Reduced |
| UBS Asset Management Americas Inc | 58,902 | $2.28M | 0.00% | +4,831+8.9% | Added |
| Rhumbline Advisers | 57,867 | $2.24M | 0.00% | +358+0.6% | Added |
| Villanova Investment Management Co LLC | 55,835 | $2.16M | 2.21% | −15,822−22.1% | Reduced |
| Denali Advisors LLC | 54,965 | $2.13M | 0.24% | +54,965 | New |
| Millennium Management LLC | 52,015 | $2.01M | 0.00% | +22,456+76.0% | Added |
| Vanguard Global Advisers, LLC | 46,300 | $1.79M | 0.00% | +46,300 | New |
| Pacific Ridge Capital Partners, LLC | 43,489 | $1.68M | 0.36% | +3,921+9.9% | Added |
| Legal & General Group Plc | 43,017 | $1.66M | 0.00% | −5,358−11.1% | Reduced |
| Waterfront Wealth Inc. | 41,495 | $1.61M | 0.29% | −11,673−22.0% | Reduced |
| Swiss National Bank | 39,300 | $1.52M | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 38,443 | $1.49M | 0.02% | −9,785−20.3% | Reduced |
| Victory Capital Management Inc | 37,150 | $1.44M | 0.00% | −1,000−2.6% | Reduced |
| Numerai GP LLC | 36,329 | $1.41M | 0.14% | +18,333+101.9% | Added |
| State of Wisconsin Investment Board | 33,744 | $1.31M | 0.00% | +16,326+93.7% | Added |
| UBS Group AG | 32,606 | $1.26M | 0.00% | −3,436−9.5% | Reduced |
| Susquehanna International Group, LLP | 31,638 | $1.22M | 0.00% | +21,500+212.1% | Added |
| Nomura Asset Management International Inc. | 30,600 | $1.18M | 0.00% | −7,100−18.8% | Reduced |
| Voya Investment Management LLC | 30,319 | $1.17M | 0.00% | −235−0.8% | Reduced |
| Trexquant Investment LP | 29,524 | $1.14M | 0.01% | −6,423−17.9% | Reduced |
| Gamco Investors, Inc. Et Al | 28,814 | $1.11M | 0.01% | −1,900−6.2% | Reduced |
| Globeflex Capital L P | 27,190 | $1.05M | 0.16% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 26,835 | $1.04M | 0.00% | +26,835 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 26,611 | $1.03M | 0.00% | +26,114+5,254.3% | Added |
| Price T Rowe Associates Inc | 24,891 | $963.0K | 0.00% | +3,911+18.6% | Added |
| XTX Topco Ltd | 24,649 | $953.4K | 0.02% | +394+1.6% | Added |
| State Board of Administration of Florida Retirement System | 24,565 | $950.2K | 0.00% | +24,565 | New |
| Lazard Asset Management LLC | 21,395 | $827.6K | 0.00% | −57,634−72.9% | Reduced |
| Skylands Capital, LLC | 21,050 | $814.2K | 0.11% | −59,700−73.9% | Reduced |
| New York State Common Retirement Fund | 20,470 | $791.8K | 0.00% | +14,300+231.8% | Added |
| Jacobs Levy Equity Management, Inc | 20,098 | $777.4K | 0.00% | −38,995−66.0% | Reduced |
| Prudential Financial Inc | 19,929 | $770.9K | 0.00% | +770+4.0% | Added |
| Quantinno Capital Management LP | 19,839 | $767.4K | 0.00% | +3,978+25.1% | Added |
| Horizon Investments, LLC | 18,828 | $728.3K | 0.01% | +18,828 | New |
| California State Teachers Retirement System | 18,708 | $723.6K | 0.00% | −140−0.7% | Reduced |
| Hancock Whitney Corp | 17,667 | $721.3K | 0.01% | +802+4.8% | Added |
| KLP Kapitalforvaltning AS | 18,400 | $711.7K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 18,394 | $711.5K | 0.00% | +2,136+13.1% | Added |
| Great West Life Assurance Co | 17,400 | $672.0K | 0.00% | 00.0% | Unchanged |
| Boston Partners | 16,578 | $641.2K | 0.00% | −5,502−24.9% | Reduced |
| Deutsche Bank AG | 16,403 | $634.5K | 0.00% | +2,356+16.8% | Added |
| Fifth Third Bancorp | 15,933 | $616.3K | 0.00% | +15,714+7,175.3% | Added |
| EntryPoint Capital, LLC | 15,512 | $600.0K | 0.18% | −9,204−37.2% | Reduced |
| Vident Advisory, LLC | 15,460 | $598.0K | 0.01% | +15,460 | New |
| Mariner, LLC | 20,013 | $595.3K | 0.00% | −4,003−16.7% | Reduced |
| State of Tennessee, Treasury Department | 15,256 | $590.1K | 0.00% | 00.0% | Unchanged |
| Marble Wealth, LLC | 15,085 | $583.5K | 0.10% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 14,733 | $570.0K | 0.05% | +6,355+75.9% | Added |
| Pathstone Holdings, LLC | 14,451 | $559.0K | 0.00% | −34−0.2% | Reduced |
| Balyasny Asset Management LLC | 14,356 | $555.3K | 0.00% | +14,356 | New |
| Allspring Global Investments Holdings, LLC | 13,694 | $529.7K | 0.00% | +1,414+11.5% | Added |
| Kennondale Capital Management LLC | 13,578 | $525.2K | 0.38% | 00.0% | Unchanged |