Koppers Holdings Inc. · NYSE:KOP
Koppers Holdings Inc. shareholders
As of Jun 30, 2026, 208 institutions reported holding Koppers Holdings Inc. Largest: BlackRock, Vanguard and Simcoe Capital Management, LLC. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Koppers Holdings Inc. | Change | Filed |
|---|---|---|---|---|
| BlackRock | 3.05M | +2,491 | Aug 7, 2026 | |
| Vanguard | 1.55M | −15,009 | Aug 13, 2026 | |
| Simcoe Capital Management, LLC | 1.42M | +472K | Aug 14, 2026 | |
| Dimensional | 1.24M | +45,891 | Aug 11, 2026 | |
| Pzena Investment Management LLC | 1.06M | −148K | Aug 7, 2026 | |
| Fuller & Thaler Asset Management, Inc. | 943K | −35,311 | Aug 12, 2026 | |
| Lsv Asset Management | 942K | +15,850 | Aug 6, 2026 | |
| American Century | 848K | +313K | Aug 12, 2026 | |
| State Street | 805K | +52,289 | Aug 7, 2026 | |
| Geode Capital | 483K | +15,808 | Aug 12, 2026 |