Koppers HoldingsKOP
13F holders, Q2 2026 (June 30)217holders +13
31new positions
15sold out
4famous investors
$44.90avg. 13F price*
At the end of Q2 2026, 217 institutions reported holding Koppers Holdings Inc. (KOP) in their 13F filings, up 13 from Q1 2026. 31 opened new positions and 15 sold out. The largest holders were BlackRock, Inc. ($136.8M), Simcoe Capital Management, LLC ($63.6M) and Dimensional Fund Advisors LP ($55.6M). 4 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 Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Koppers Holdings Inc.
- CUSIP
- 50060P106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 31 | $9.1M |
| Exits | 15 | $12.9M |
All 13F filers, Q1 2026 → Q2 2026: 1,681,333 shares bought and 1,345,161 shares sold, net +336,172 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 217 holders
| BlackRock, Inc. | 0.00% | Add +0.1% | 3,047,603 | $136.8M |
| Simcoe Capital Management, LLC | 12.34% | Add +50.0% | 1,416,160 | $63.6M |
| Dimensional Fund Advisors LP | 0.01% | Add +3.9% | 1,237,249 | $55.6M |
| Pzena Investment Management LLC | 0.14% | Reduce -12.3% | 1,061,285 | $47.7M |
| Fuller & Thaler Asset Management, Inc. | 0.12% | Reduce -3.6% | 943,279 | $42.4M |
| LSV Asset Management | 0.08% | Add +1.7% | 941,881 | $42.3M |
| American Century Companies Inc. | 0.02% | Add +58.5% | 848,068 | $38.1M |
| Vanguard Capital Management LLC | 0.00% | Reduce -3.3% | 812,629 | $36.5M |
| State Street Corp. | 0.00% | Add +7.0% | 804,553 | $36.1M |
| Vanguard Portfolio Management LLC | 0.00% | Add +1.6% | 539,047 | $24.2M |
| Geode Capital Management, LLC | 0.00% | Add +3.4% | 483,417 | $21.7M |
| Quaker Capital Investments, LLC | 5.02% | Reduce -10.8% | 408,555 | $18.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -19.6% | 384,122 | $17.2M |
| Invesco Ltd. | 0.00% | Add +79.2% | 332,605 | $14.9M |
| Ameriprise Financial Inc. | 0.00% | Add +9.1% | 285,656 | $12.8M |
| Two Sigma Investments, LP | 0.01% | Reduce -36.3% | 266,052 | $11.9M |
| Northern Trust Corp. | 0.00% | Add +3.4% | 253,481 | $11.4M |
| Morgan Stanley | 0.00% | Add +9.7% | 242,924 | $10.9M |
| Dana Investment Advisors, Inc. | 0.27% | Reduce -1.6% | 231,399 | $10.4M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.8% | 222,570 | $10.0M |
| CSM Advisors, LLC | 0.19% | Reduce -0.1% | 194,345 | $8.7M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +16.7% | 189,200 | $8.5M |
| Goldman Sachs Group Inc. | 0.00% | Add +9.6% | 158,809 | $7.1M |
| Bridgeway Capital Management, LLC | 0.12% | Add +4.2% | 153,740 | $6.9M |
| Huntington National Bank | 0.04% | Reduce -6.7% | 146,587 | $6.6M |
| Principal Financial Group Inc. | 0.00% | Add +0.8% | 136,719 | $6.1M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Add +0.6% | 130,584 | $5.9M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -29.2% | 129,720 | $5.8M |
| Vanguard Fiduciary Trust Co. | 0.00% | Reduce -0.2% | 125,938 | $5.7M |
| JPMorgan Chase & Co. | 0.00% | Add +34.9% | 122,354 | $5.5M |
| Seizert Capital Partners, LLC | 0.23% | Add +8.5% | 122,722 | $5.5M |
| Bank of America Corp. | 0.00% | Reduce -8.6% | 117,916 | $5.3M |
| Pacer Advisors, Inc. | 0.01% | New | 114,072 | $5.1M |
| O'shaughnessy Asset Management, LLC | 0.02% | Reduce -4.1% | 105,366 | $4.7M |
| Empowered Funds, LLC | 0.02% | Add +6.4% | 102,787 | $4.6M |
| Denali Advisors LLC | 0.43% | Add +74.8% | 96,092 | $4.3M |
| Santori & Peters, Inc. | 1.06% | Add +6.1% | 83,834 | $3.8M |
| Kestrel Investment Management Corp. | 2.04% | No change | 83,450 | $3.7M |
| AQR Capital Management | 0.00% | Reduce -18.1% | 78,205 | $3.5M |
| JB Capital Partners LP | 0.54% | No change | 78,101 | $3.5M |
| Franklin Resources Inc. | 0.00% | Add +12.5% | 70,243 | $3.2M |
| Public Sector Pension Investment Board | 0.01% | Reduce -5.9% | 66,064 | $3.0M |
| First Trust Advisors LP | 0.00% | Add +2.2% | 65,533 | $2.9M |
| Federated Hermes, Inc. | 0.00% | Reduce -7.5% | 62,781 | $2.8M |
| Ironwood Investment Management LLC | 0.90% | Reduce -2.2% | 58,116 | $2.6M |
| Villanova Investment Management Co LLC | 2.38% | No change | 55,835 | $2.5M |
| Jane Street Group, LLC | 0.00% | Reduce -63.3% | 54,010 | $2.4M |
| Nuveen, LLC | 0.00% | Reduce -19.2% | 51,023 | $2.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -14.0% | 50,668 | $2.3M |
| Rhumbline Advisers | 0.00% | Reduce -14.1% | 49,724 | $2.2M |
| XTX Topco Ltd | 0.03% | Add +88.4% | 46,434 | $2.1M |
| Vanguard Global Advisers, LLC | 0.00% | No change | 46,300 | $2.1M |
| Citigroup Inc. | 0.00% | Reduce -27.6% | 46,174 | $2.1M |
| Pacific Ridge Capital Partners, LLC | 0.35% | Reduce -1.1% | 42,995 | $1.9M |
| Creative Planning | 0.00% | Add +118.6% | 40,210 | $1.8M |
| Legal & General Group Plc | 0.00% | Reduce -7.7% | 39,723 | $1.8M |
| Swiss National Bank | 0.00% | Reduce -6.1% | 36,900 | $1.7M |
| Victory Capital Management Inc. | 0.00% | Reduce -5.8% | 35,000 | $1.6M |
| UBS Group AG | 0.00% | Add +3.7% | 33,822 | $1.5M |
| Sei Investments Co. | 0.00% | Reduce -51.7% | 33,818 | $1.5M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +25.9% | 33,491 | $1.5M |
| Prudential Financial Inc. | 0.00% | Add +66.7% | 33,224 | $1.5M |
| Acadian Asset Management LLC | 0.00% | Add +23.4% | 33,125 | $1.5M |
| New York State Common Retirement Fund | 0.00% | Add +52.8% | 31,270 | $1.4M |
| Voya Investment Management LLC | 0.00% | Add +1.9% | 30,885 | $1.4M |
| Nomura Asset Management International Inc. | 0.00% | No change | 30,600 | $1.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +17.9% | 29,340 | $1.3M |
| GAMCO Investors | 0.01% | No change | 28,814 | $1.3M |
| Globeflex Capital L P | 0.16% | No change | 27,190 | $1.2M |
| Quantinno Capital Management LP | 0.00% | Add +24.2% | 24,637 | $1.1M |
| Hancock Whitney Corp. | 0.02% | Add +38.2% | 24,418 | $1.1M |
| Campbell & CO Investment Adviser LLC | 0.05% | Add +150.2% | 23,222 | $1.0M |
| State of Wisconsin Investment Board | 0.00% | Reduce -31.7% | 23,048 | $1.0M |
| Lazard Asset Management LLC | 0.00% | Add +0.9% | 21,593 | $970K |
| Intech Investment Management LLC | 0.01% | Add +81.8% | 20,779 | $933K |
| Alliancebernstein L.P. | 0.00% | Add +27.3% | 23,933 | $926K |
| D. E. Shaw & Co. | 0.00% | Add +63.5% | 20,462 | $919K |
| California State Teachers Retirement System | 0.00% | Add +6.8% | 19,975 | $897K |
| Horizon Investments, LLC | 0.01% | Add +2.2% | 19,250 | $864K |
| KLP Kapitalforvaltning As | 0.00% | No change | 18,400 | $826K |
| Deutsche Bank AG | 0.00% | Add +7.2% | 17,582 | $789K |
| Raymond James Financial Inc. | 0.00% | Add +61.0% | 17,375 | $780K |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -7.9% | 16,022 | $719K |
| Covestor Ltd | 0.41% | Add +49759.4% | 15,955 | $716K |
| Harbor Capital Advisors, Inc. | 0.05% | Add +8.2% | 15,934 | $715K |
| Wells Fargo & Company | 0.00% | Add +112.5% | 15,564 | $699K |
| Vident Advisory, LLC | 0.01% | No change | 15,460 | $694K |
| Fifth Third Bancorp | 0.00% | Reduce -4.7% | 15,189 | $682K |
| Marble Wealth, LLC | 0.10% | No change | 15,085 | $677K |
| Janney Montgomery Scott LLC | 0.00% | Add +57.5% | 14,166 | $636K |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +3.2% | 14,138 | $635K |
| Kennondale Capital Management LLC | 0.41% | No change | 13,578 | $610K |
| Pathstone Holdings, LLC | 0.00% | Reduce -8.4% | 13,236 | $594K |
| State of Tennessee, Department of Treasury | 0.00% | Reduce -16.9% | 12,682 | $569K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -3.5% | 12,629 | $567K |
| AdvisorShares Investments LLC | 0.07% | New | 12,600 | $566K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -37.3% | 12,593 | $565K |
| Mangrove Partners Im, LLC | 0.04% | Add +117.1% | 12,486 | $561K |
| HRT Financial LP | 0.00% | Reduce -85.5% | 12,470 | $559K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | No change | 12,008 | $539K |
| Engineers Gate Manager LP | 0.01% | Reduce -68.9% | 11,940 | $536K |
| Gotham Asset Management | 0.00% | New | 11,522 | $517K |
| Squarepoint Ops LLC | 0.00% | Add +103.3% | 11,304 | $508K |
| HSBC Holdings PLC | 0.00% | Add +30.9% | 11,095 | $504K |
| MetLife Investment Management, LLC | 0.00% | No change | 11,217 | $504K |
| Bristlecone Value Partners, LLC | 0.38% | No change | 10,650 | $478K |
| Illinois Municipal Retirement Fund | 0.01% | Add +0.6% | 10,263 | $461K |
| Mariner, LLC | 0.00% | Reduce -49.9% | 10,033 | $451K |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.00% | New | 9,900 | $445K |
| EP Wealth Advisors, LLC | 0.00% | Reduce -4.2% | 9,810 | $440K |
| PDT Partners, LLC | 0.02% | No change | 9,583 | $430K |
| Jupiter Topco LLC | 0.00% | — | 9,208 | $413K |
| Boston Partners | 0.00% | Reduce -44.6% | 9,177 | $412K |
| State of Wyoming | 0.04% | Add +27.5% | 8,550 | $384K |
| Daytona Street Capital LLC | 0.28% | No change | 8,000 | $382K |
| Integrated Quantitative Investments LLC | 0.06% | New | 8,436 | $379K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -6.5% | 8,417 | $378K |
| Louisiana State Employees Retirement System | 0.01% | Reduce -3.5% | 8,400 | $377K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +21.9% | 7,670 | $344K |
| State of Alaska, Department of Revenue | 0.00% | Reduce -33.1% | 7,156 | $320K |
| Atria Investments, Inc | 0.00% | Add +0.8% | 7,046 | $316K |
| Envestnet Asset Management Inc. | 0.00% | Reduce -2.1% | 6,980 | $313K |
| EntryPoint Capital, LLC | 0.07% | Reduce -57.1% | 6,652 | $299K |
| Guggenheim Capital LLC | 0.00% | Add +19.6% | 6,434 | $289K |
| Jones Financial Companies LLLP | 0.00% | Add +83.0% | 5,783 | $261K |
| D.B. Root & Company, LLC | 0.05% | No change | 5,705 | $256K |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -76.8% | 5,703 | $256K |
| Quadrant Capital Group LLC | 0.01% | No change | 5,568 | $250K |
| Teacher Retirement System of Texas | 0.00% | New | 5,385 | $242K |
| PNC Financial Services Group, Inc. | 0.00% | Add +1.3% | 5,361 | $241K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 5,334 | $239K |
| Amalgamated Bank | 0.00% | Reduce -8.6% | 5,140 | $231K |
| SG Americas Securities, LLC | 0.00% | Add +20.4% | 5,114 | $230K |
| Arizona State Retirement System | 0.00% | Reduce -5.9% | 5,069 | $228K |
| Teachers Retirement System of the State of Kentucky | 0.00% | No change | 4,990 | $224K |
| Swiss Life Asset Management Ltd | 0.00% | New | 4,942 | $222K |
| Kestra Advisory Services, LLC | 0.00% | Reduce -6.9% | 4,930 | $221K |
| Yousif Capital Management, LLC | 0.00% | Reduce -8.0% | 4,832 | $217K |
| Mitsubishi UFJ Trust & Banking Corp | 0.00% | New | 4,821 | $216K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -7.1% | 4,812 | $216K |
| Mirabella Financial Services LLP | 0.02% | New | 4,768 | $214K |
| Glenmede Trust Co. NA | 0.00% | New | 4,621 | $207K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | New | 4,571 | $205K |
| Vanguard Investments Australia, Ltd. | 0.00% | No change | 4,562 | $205K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | New | 4,561 | $205K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 4,302 | $205K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 5,222 | $199K |
| Oregon Public Employees Retirement Fund | 0.00% | Reduce -2.2% | 4,420 | $198K |
| STRS Ohio | 0.00% | New | 4,400 | $198K |
| BNP Paribas Financial Markets | 0.00% | Reduce -30.3% | 3,260 | $146K |
| Royal Bank of Canada | 0.00% | Add +30.7% | 3,249 | $146K |
| New York State Teachers Retirement System | 0.00% | Add +3.1% | 3,111 | $140K |
| FMR LLC | 0.00% | Add +17.0% | 3,071 | $138K |
| Barclays PLC | 0.00% | Reduce -67.8% | 2,762 | $124K |
| Copeland Capital Management, LLC | 0.00% | Reduce -4.3% | 2,095 | $94K |
| Ensign Peak Advisors, Inc | 0.00% | Reduce -13.8% | 1,870 | $84K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,614 | $72K |
| Financial Consulate, Inc. | 0.01% | No change | 1,500 | $67K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | New | 1,232 | $55K |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -56.5% | 1,120 | $50K |
| Nisa Investment Advisors, LLC | 0.00% | Add +55.7% | 1,006 | $45K |
| GAMMA Investing LLC | 0.00% | Add +1.4% | 978 | $44K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -55.4% | 856 | $38K |
| Parallel Advisors, LLC | 0.00% | Add +3.7% | 753 | $34K |
| Versant Capital Management, Inc | 0.00% | Reduce -1.9% | 715 | $32K |
| Nykredit A/S | 0.00% | — | 688 | $31K |
| Assetmark, Inc. | 0.00% | New | 679 | $30K |
| Quantum Portfolio Management LLC | 0.01% | New | 649 | $29K |
| Brown, Lisle/Cummings, Inc. | 0.01% | No change | 617 | $28K |
| Arax Advisory Partners | 0.00% | Add +434.8% | 599 | $27K |
| US Bancorp \de | 0.00% | Reduce -6.7% | 513 | $23K |
| Blue Trust, Inc. | 0.00% | Reduce -1.8% | 488 | $22K |
| Osaic Holdings, Inc. | 0.00% | Add +1.9% | 424 | $19K |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | Add +1.7% | 412 | $18K |
| Salomon & Ludwin, LLC | 0.00% | No change | 373 | $17K |
| Allworth Financial LP | 0.00% | Add +81.3% | 368 | $17K |
| Sterling Capital Management LLC | 0.00% | Reduce -41.2% | 368 | $17K |
| Hantz Financial Services, Inc. | 0.00% | Add +10.4% | 349 | $16K |
| WealthCollab, LLC | 0.01% | No change | 322 | $14K |
| Rockefeller Capital Management L.P. | 0.00% | Reduce -43.4% | 273 | $12K |
| Signaturefd, LLC | 0.00% | Add +115.5% | 222 | $10K |
| Smartleaf Asset Management LLC | 0.00% | No change | 207 | $9K |
| Trust Co. of Toledo NA | 0.00% | No change | 191 | $9K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -13.0% | 188 | $8K |
| Skylands Capital, LLC | 0.00% | Reduce -99.2% | 175 | $8K |
| Essential Partners LLC | 0.00% | Reduce -13.3% | 163 | $7K |
| Los Angeles Capital Management LLC | 0.00% | No change | 156 | $7K |
| Bessemer Group Inc. | 0.00% | No change | 148 | $7K |
| LRI Investments, LLC | 0.00% | No change | 146 | $7K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -41.4% | 109 | $5K |
| SJS Investment Consulting Inc. | 0.00% | New | 109 | $5K |
| Optiver Holding B.V. | 0.00% | New | 91 | $4K |
| IFP Advisors, Inc | 0.00% | No change | 87 | $4K |
| Barrow Hanley Mewhinney & Strauss LLC | 0.00% | New | 80 | $4K |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 80 | $4K |
| Quarry LP | 0.00% | New | 61 | $3K |
| Dogwood Wealth Management LLC | 0.00% | New | 60 | $3K |
| UMB Bank, n.a. | 0.00% | Add +11.1% | 60 | $3K |
| Picton Mahoney Asset Management | 0.00% | New | 60 | $3K |
| Kelleher Financial Advisors | 0.00% | New | 56 | $3K |
| Keating Financial Advisory Services, Inc. | 0.00% | No change | 49 | $2K |
| Larson Financial Group LLC | 0.00% | New | 42 | $2K |
| Parkside Financial Bank & Trust | 0.00% | No change | 39 | $2K |
| Cedar Mountain Advisors, LLC | 0.00% | No change | 35 | $2K |
| Plante Moran Financial Advisors, LLC | 0.00% | New | 29 | $1K |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 12 | $1K |
| Rothschild Investment LLC | 0.00% | No change | 15 | $674 |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 13 | $584 |
| Harbour Investments, Inc. | 0.00% | New | 7 | $331 |
| Ankerstar Wealth, LLC | 0.00% | No change | 7 | $314 |
| Clearstead Advisors, LLC | 0.00% | New | 5 | $225 |
| JFS Wealth Advisors, LLC | 0.00% | New | 3 | $135 |
| Gilpin Wealth Management, LLC | 0.00% | No change | 2 | $90 |
| True Wealth Design, LLC | 0.00% | No change | 2 | $90 |
| Davis Capital Management | 0.00% | New | 1 | $45 |
| SBI Securities Co., Ltd. | 0.00% | No change | 1 | $45 |
| Evolution Advisers, Inc. | 0.00% | New | 8 | $0 |
"% of holder's portfolio" is KOP's weight in each manager's 13F, not the share of Koppers Holdings Inc. the manager owns.