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 |
| Alliancebernstein L.P. | 0.00% | Add +6.7% | 18,803 | $509K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -2.9% | 13,092 | $506K |
| D. E. Shaw & Co. | 0.00% | Reduce -38.7% | 12,511 | $484K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 12,008 | $464K |
| Intech Investment Management LLC | 0.00% | Reduce -84.5% | 11,431 | $442K |
| MetLife Investment Management, LLC | 0.00% | No change | 11,217 | $434K |
| Brooklyn Investment Group | 0.01% | New | 10,982 | $425K |
| Raymond James Financial Inc. | 0.00% | Add +2.1% | 10,793 | $417K |
| State of Alaska, Department of Revenue | 0.00% | No change | 10,700 | $413K |
| Bristlecone Value Partners, LLC | 0.36% | No change | 10,650 | $412K |
| J. Safra Sarasin Holding AG | 0.01% | New | 10,255 | $397K |
| EP Wealth Advisors, LLC | 0.00% | New | 10,240 | $396K |
| Illinois Municipal Retirement Fund | 0.01% | Reduce -8.1% | 10,201 | $395K |
| PDT Partners, LLC | 0.02% | Reduce -28.4% | 9,583 | $371K |
| Campbell & CO Investment Adviser LLC | 0.02% | Reduce -57.1% | 9,281 | $359K |
| Janus Henderson Group PLC | 0.00% | No change | 9,208 | $355K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.3% | 9,005 | $348K |
| Janney Montgomery Scott LLC | 0.00% | New | 8,992 | $348K |
| Louisiana State Employees Retirement System | 0.01% | Reduce -3.3% | 8,700 | $337K |
| Barclays PLC | 0.00% | Reduce -76.1% | 8,585 | $332K |
| HSBC Holdings PLC | 0.00% | New | 8,477 | $323K |
| DGS Capital Management, LLC | 0.05% | New | 8,343 | $323K |
| Royce & Associates LP | 0.00% | New | 8,237 | $319K |
| Daytona Street Capital LLC | 0.24% | No change | 8,000 | $306K |
| Quadrature Capital Ltd | 0.00% | New | 7,429 | $287K |
| Baird Financial Group, Inc. | 0.00% | New | 7,385 | $286K |
| Wells Fargo & Company | 0.00% | Reduce -65.7% | 7,325 | $283K |
| Envestnet Asset Management Inc. | 0.00% | New | 7,133 | $276K |
| Atria Investments, Inc | 0.00% | New | 6,987 | $270K |
| State of Wyoming | 0.03% | Reduce -52.9% | 6,704 | $259K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -30.7% | 6,291 | $243K |
| Mangrove Partners Im, LLC | 0.02% | Reduce -74.7% | 5,752 | $222K |
| D.B. Root & Company, LLC | 0.05% | New | 5,705 | $221K |
| Amalgamated Bank | 0.00% | Reduce -2.4% | 5,623 | $217K |
| Quadrant Capital Group LLC | 0.01% | Reduce -1.5% | 5,568 | $215K |
| Squarepoint Ops LLC | 0.00% | Reduce -88.5% | 5,560 | $215K |
| Renaissance Technologies | 0.00% | Reduce -30.4% | 5,500 | $213K |
| Arizona State Retirement System | 0.00% | New | 5,388 | $208K |
| Guggenheim Capital LLC | 0.00% | Reduce -74.3% | 5,380 | $208K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 5,334 | $206K |
| Kestra Advisory Services, LLC | 0.00% | Add +25.3% | 5,297 | $205K |
| PNC Financial Services Group, Inc. | 0.00% | Add +0.2% | 5,290 | $205K |
| Yousif Capital Management, LLC | 0.00% | New | 5,251 | $203K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 5,222 | $203K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 5,180 | $200K |
| Teachers Retirement System of the State of Kentucky | 0.00% | No change | 4,990 | $193K |
| BNP Paribas Financial Markets | 0.00% | Reduce -41.2% | 4,674 | $181K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 4,562 | $176K |
| Oregon Public Employees Retirement Fund | 0.00% | Add +0.2% | 4,520 | $175K |
| SG Americas Securities, LLC | 0.00% | New | 4,246 | $164K |
| Jones Financial Companies LLLP | 0.00% | Add +1330.3% | 3,161 | $120K |
| New York State Teachers Retirement System | 0.00% | Reduce -90.0% | 3,017 | $117K |
| Cwm, LLC | 0.00% | Reduce -7.7% | 2,800 | $108K |
| FMR LLC | 0.00% | Reduce -6.0% | 2,625 | $102K |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -65.7% | 2,575 | $100K |
| Royal Bank of Canada | 0.00% | Reduce -91.2% | 2,485 | $96K |
| Copeland Capital Management, LLC | 0.00% | Add +7.9% | 2,190 | $85K |
| Ensign Peak Advisors, Inc | 0.00% | No change | 2,170 | $84K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +61.1% | 1,920 | $74K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,614 | $62K |
| Financial Consulate, Inc. | 0.01% | No change | 1,500 | $58K |
| GAMMA Investing LLC | 0.00% | Add +13.5% | 965 | $37K |
| Versant Capital Management, Inc | 0.00% | No change | 729 | $28K |
| Parallel Advisors, LLC | 0.00% | Add +11.9% | 726 | $28K |
| Nisa Investment Advisors, LLC | 0.00% | Add +28.2% | 646 | $25K |
| Sterling Capital Management LLC | 0.00% | Reduce -42.6% | 626 | $24K |
| Brown, Lisle/Cummings, Inc. | 0.01% | No change | 617 | $24K |
| US Bancorp \de | 0.00% | Reduce -1.1% | 550 | $21K |
| Blue Trust, Inc. | 0.00% | Add +5.3% | 497 | $19K |
| Rockefeller Capital Management L.P. | 0.00% | Add +115.2% | 482 | $19K |
| Osaic Holdings, Inc. | 0.00% | Add +22.7% | 416 | $16K |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | Add +3.3% | 405 | $16K |
| Salomon & Ludwin, LLC | 0.00% | Add +57.4% | 373 | $14K |
| WealthCollab, LLC | 0.01% | No change | 322 | $12K |
| Hantz Financial Services, Inc. | 0.00% | Add +1.0% | 316 | $12K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -1.4% | 216 | $8K |
| Smartleaf Asset Management LLC | 0.00% | Reduce -62.5% | 207 | $8K |
| Allworth Financial LP | 0.00% | Add +11.5% | 203 | $8K |
| Trust Co. of Toledo NA | 0.00% | No change | 191 | $7K |
| Essential Partners LLC | 0.00% | Reduce -1.1% | 188 | $7K |
| Farther Finance Advisors, LLC | 0.00% | Add +1330.8% | 186 | $7K |
| Los Angeles Capital Management LLC | 0.00% | No change | 156 | $6K |
| Bessemer Group Inc. | 0.00% | No change | 148 | $6K |
| LRI Investments, LLC | 0.00% | No change | 146 | $6K |
| Arax Advisory Partners | 0.00% | Add +3.7% | 112 | $4K |
| Signaturefd, LLC | 0.00% | No change | 103 | $4K |
| IFP Advisors, Inc | 0.00% | Reduce -32.0% | 87 | $3K |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 80 | $3K |
| Kilter Group LLC | 0.00% | New | 60 | $2K |
| UMB Bank, n.a. | 0.00% | Add +3.9% | 54 | $2K |
| Root Financial Partners, LLC | 0.00% | New | 50 | $2K |
| Keating Financial Advisory Services, Inc. | 0.00% | New | 49 | $2K |
| Parkside Financial Bank & Trust | 0.00% | No change | 39 | $2K |
| Cedar Mountain Advisors, LLC | 0.00% | Reduce -14.6% | 35 | $1K |
| Covestor Ltd | 0.00% | Add +3.2% | 32 | $1K |
| Rothschild Investment LLC | 0.00% | No change | 15 | $580 |
| MAI Capital Management | 0.00% | Add +85.7% | 13 | $503 |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 13 | $503 |
| Sunbelt Securities, Inc. | 0.00% | No change | 11 | $425 |
| Ankerstar Wealth, LLC | 0.00% | No change | 7 | $271 |
| Gilpin Wealth Management, LLC | 0.00% | New | 2 | $78 |
| True Wealth Design, LLC | 0.00% | Reduce -50.0% | 2 | $78 |
| SBI Securities Co., Ltd. | 0.00% | No change | 1 | $39 |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 12 | $0 |
"% of holder's portfolio" is KOP's weight in each manager's 13F, not the share of Koppers Holdings Inc. the manager owns.