Koppers Holdings Inc. (KOP)
SEC filings, insider trading & institutional ownership from EDGAR.
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Latest filings
10-K, 10-Q, 8-K, Form 4 & 13D/G. Sourced directly from SEC EDGAR
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Top holders
13F & 13D/G • latest quarter
| Holder | Filed | Value |
|---|---|---|
| BlackRock, Inc. | Aug 7, 2026 | $136.84M |
| Dimensional Fund Advisors LP | Aug 11, 2026 | $55.55M |
| PZENA INVESTMENT MANAGEMENT LLC | Aug 8, 2026 | $47.65M |
| Vanguard Capital Management | Aug 13, 2026 | $36.49M |
| STATE STREET CORPORATION | Sep 22, 2026 | $36.12M |
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Data as of Oct 25, 2026Source: SEC EDGAR.