Koppers HoldingsKOP
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 204 institutions reported holding Koppers Holdings Inc. (KOP) in their 13F filings, up 11 from Q4 2025. 29 opened new positions and 17 sold out. The largest holders were BlackRock, Inc. ($117.8M), Pzena Investment Management LLC ($46.8M) and Dimensional Fund Advisors LP ($46.1M). 5 famous investors held it, including Mario Gabelli (0.0% of GAMCO Investors's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Koppers Holdings Inc.
- CUSIP
- 50060P106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 29 | $26.1M |
| Exits | 17 | $7.2M |
All 13F filers, Q4 2025 → Q1 2026: 1,628,970 shares bought and 1,715,857 shares sold, net −86,887 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 204 holders
| BlackRock, Inc. | 0.00% | Reduce -17.8% | 3,045,112 | $117.8M |
| Pzena Investment Management LLC | 0.15% | Add +0.4% | 1,209,376 | $46.8M |
| Dimensional Fund Advisors LP | 0.01% | Add +1.5% | 1,191,358 | $46.1M |
| Fuller & Thaler Asset Management, Inc. | 0.13% | Reduce -3.5% | 978,590 | $37.9M |
| Simcoe Capital Management, LLC | 6.78% | Add +16.1% | 944,430 | $36.5M |
| LSV Asset Management | 0.08% | Reduce -2.0% | 926,031 | $35.8M |
| Vanguard Capital Management LLC | 0.00% | — | 840,446 | $32.5M |
| State Street Corp. | 0.00% | Reduce -1.6% | 752,264 | $29.1M |
| American Century Companies Inc. | 0.01% | Add +27.6% | 535,002 | $20.7M |
| Vanguard Portfolio Management LLC | 0.00% | — | 530,532 | $20.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -15.9% | 477,878 | $18.5M |
| Geode Capital Management, LLC | 0.00% | Add +2.2% | 467,609 | $18.1M |
| Quaker Capital Investments, LLC | 4.33% | Reduce -3.6% | 457,852 | $17.7M |
| Two Sigma Investments, LP | 0.01% | Add +113.6% | 417,536 | $16.2M |
| Ameriprise Financial Inc. | 0.00% | Reduce -4.2% | 261,788 | $10.1M |
| Northern Trust Corp. | 0.00% | Add +2.6% | 245,163 | $9.5M |
| Dana Investment Advisors, Inc. | 0.27% | Reduce -0.2% | 235,235 | $9.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.1% | 224,256 | $8.7M |
| Morgan Stanley | 0.00% | Add +5.5% | 221,536 | $8.6M |
| CSM Advisors, LLC | 0.18% | Add +9.6% | 194,555 | $7.5M |
| Invesco Ltd. | 0.00% | Reduce -12.6% | 185,586 | $7.2M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -12.8% | 183,221 | $7.1M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 162,072 | $6.3M |
| Huntington National Bank | 0.04% | Reduce -4.5% | 157,099 | $6.1M |
| Bridgeway Capital Management, LLC | 0.11% | Add +5.3% | 147,526 | $5.7M |
| Jane Street Group, LLC | 0.01% | New | 146,949 | $5.7M |
| Goldman Sachs Group Inc. | 0.00% | Add +6.4% | 144,845 | $5.6M |
| Principal Financial Group Inc. | 0.00% | Add +16.4% | 135,586 | $5.2M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Add +0.0% | 129,850 | $5.0M |
| Bank of America Corp. | 0.00% | Add +27.0% | 128,948 | $5.0M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 126,216 | $4.9M |
| Seizert Capital Partners, LLC | 0.20% | Add +0.7% | 113,135 | $4.4M |
| O'shaughnessy Asset Management, LLC | 0.02% | Add +5.5% | 109,854 | $4.2M |
| Empowered Funds, LLC | 0.02% | Add +8.3% | 96,573 | $3.7M |
| AQR Capital Management | 0.00% | Add +0.5% | 95,467 | $3.7M |
| Lord, Abbett & Co. LLC | 0.01% | New | 90,000 | $3.5M |
| JPMorgan Chase & Co. | 0.00% | Add +29.6% | 90,679 | $3.5M |
| HRT Financial LP | 0.01% | Add +92.6% | 85,775 | $3.3M |
| Kestrel Investment Management Corp. | 1.93% | Reduce -0.4% | 83,450 | $3.2M |
| Santori & Peters, Inc. | 0.95% | No change | 79,006 | $3.1M |
| JB Capital Partners LP | 0.52% | Add +11.6% | 78,101 | $3.0M |
| Public Sector Pension Investment Board | 0.01% | Add +3.5% | 70,219 | $2.7M |
| Sei Investments Co. | 0.00% | Add +87.5% | 69,979 | $2.7M |
| Federated Hermes, Inc. | 0.00% | Reduce -0.4% | 67,853 | $2.6M |
| First Trust Advisors LP | 0.00% | Add +2.9% | 64,141 | $2.5M |
| Citigroup Inc. | 0.00% | Add +22.1% | 63,810 | $2.5M |
| Nuveen, LLC | 0.00% | Reduce -0.7% | 63,119 | $2.4M |
| Franklin Resources Inc. | 0.00% | Add +367.4% | 62,443 | $2.4M |
| Ironwood Investment Management LLC | 0.96% | Reduce -23.3% | 59,416 | $2.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +8.9% | 58,902 | $2.3M |
| Rhumbline Advisers | 0.00% | Add +0.6% | 57,867 | $2.2M |
| Villanova Investment Management Co LLC | 2.21% | Reduce -22.1% | 55,835 | $2.2M |
| Denali Advisors LLC | 0.24% | New | 54,965 | $2.1M |
| Millennium Management | 0.00% | Add +76.0% | 52,015 | $2.0M |
| Vanguard Global Advisers, LLC | 0.00% | — | 46,300 | $1.8M |
| Pacific Ridge Capital Partners, LLC | 0.36% | Add +9.9% | 43,489 | $1.7M |
| Legal & General Group Plc | 0.00% | Reduce -11.1% | 43,017 | $1.7M |
| Waterfront Wealth Inc. | 0.29% | Reduce -21.9% | 41,495 | $1.6M |
| Swiss National Bank | 0.00% | No change | 39,300 | $1.5M |
| Engineers Gate Manager LP | 0.02% | Reduce -20.3% | 38,443 | $1.5M |
| Victory Capital Management Inc. | 0.00% | Reduce -2.6% | 37,150 | $1.4M |
| Numerai GP LLC | 0.14% | Add +101.9% | 36,329 | $1.4M |
| State of Wisconsin Investment Board | 0.00% | Add +93.7% | 33,744 | $1.3M |
| UBS Group AG | 0.00% | Reduce -9.5% | 32,606 | $1.3M |
| Susquehanna International Group, LLP | 0.00% | Add +212.1% | 31,638 | $1.2M |
| Nomura Asset Management International Inc. | 0.00% | Reduce -18.8% | 30,600 | $1.2M |
| Voya Investment Management LLC | 0.00% | Reduce -0.8% | 30,319 | $1.2M |
| Trexquant Investment LP | 0.01% | Reduce -17.9% | 29,524 | $1.1M |
| GAMCO Investors | 0.01% | Reduce -6.2% | 28,814 | $1.1M |
| Globeflex Capital L P | 0.16% | No change | 27,190 | $1.1M |
| Acadian Asset Management LLC | 0.00% | New | 26,835 | $1.0M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +5254.3% | 26,611 | $1.0M |
| T. Rowe Price Associates Inc. | 0.00% | Add +18.6% | 24,891 | $963K |
| XTX Topco Ltd | 0.02% | Add +1.6% | 24,649 | $953K |
| State Board of Administration of Florida Retirement System | 0.00% | New | 24,565 | $950K |
| Lazard Asset Management LLC | 0.00% | Reduce -72.9% | 21,395 | $828K |
| Skylands Capital, LLC | 0.11% | Reduce -73.9% | 21,050 | $814K |
| New York State Common Retirement Fund | 0.00% | Add +231.8% | 20,470 | $792K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -66.0% | 20,098 | $777K |
| Prudential Financial Inc. | 0.00% | Add +4.0% | 19,929 | $771K |
| Quantinno Capital Management LP | 0.00% | Add +25.1% | 19,839 | $767K |
| Horizon Investments, LLC | 0.01% | New | 18,828 | $728K |
| California State Teachers Retirement System | 0.00% | Reduce -0.7% | 18,708 | $724K |
| Hancock Whitney Corp. | 0.01% | Add +4.8% | 17,667 | $721K |
| KLP Kapitalforvaltning As | 0.00% | No change | 18,400 | $712K |
| Creative Planning | 0.00% | Add +13.1% | 18,394 | $711K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 17,400 | $672K |
| Boston Partners | 0.00% | Reduce -24.9% | 16,578 | $641K |
| Deutsche Bank AG | 0.00% | Add +16.8% | 16,403 | $634K |
| Fifth Third Bancorp | 0.00% | Add +7175.3% | 15,933 | $616K |
| EntryPoint Capital, LLC | 0.18% | Reduce -37.2% | 15,512 | $600K |
| Vident Advisory, LLC | 0.01% | New | 15,460 | $598K |
| Mariner, LLC | 0.00% | Reduce -16.7% | 20,013 | $595K |
| State of Tennessee, Department of Treasury | 0.00% | No change | 15,256 | $590K |
| Marble Wealth, LLC | 0.10% | No change | 15,085 | $583K |
| Harbor Capital Advisors, Inc. | 0.05% | Add +75.8% | 14,733 | $570K |
| Pathstone Holdings, LLC | 0.00% | Reduce -0.2% | 14,451 | $559K |
| Balyasny Asset Management L.P. | 0.00% | New | 14,356 | $555K |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +11.5% | 13,694 | $530K |
| Kennondale Capital Management LLC | 0.38% | No change | 13,578 | $525K |
"% of holder's portfolio" is KOP's weight in each manager's 13F, not the share of Koppers Holdings Inc. the manager owns.