Who owns Koppers Holdings Inc.?
Institutional ownership of KOP from SEC Form 13F filings across 147 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
147
13F holders
$486.0M
value, 2026 filers
57%
of shares outstanding (11.0M sh)
26
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of KOP's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 3.0M | $136.8M | 0.0% | 15.8% | +0.1% |
| 2 | AMERICAN CENTURY COMPANIES INC | 848,068 | $38.1M | 0.0% | 4.4% | +58.5% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 812,629 | $36.5M | 0.0% | 4.2% | -51.7% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 539,047 | $24.2M | 0.0% | 2.8% | +1.6% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 483,417 | $21.7M | 0.0% | 2.5% | +3.4% |
| 6 | Sixth Street Partners Management Company, L.P.NEW | 384,122 | $17.2M | 3.0% | 2% | new |
| 7 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 384,122 | $17.2M | 0.0% | 2% | -19.6% |
| 8 | Invesco Ltd. | 332,605 | $14.9M | 0.0% | 1.7% | +79.2% |
| 9 | AMERIPRISE FINANCIAL INC | 285,656 | $12.8M | 0.0% | 1.5% | +9.1% |
| 10 | TWO SIGMA INVESTMENTS, LP | 266,052 | $11.9M | 0.0% | 1.4% | -36.3% |
| 11 | NORTHERN TRUST CORP | 253,481 | $11.4M | 0.0% | 1.3% | +3.4% |
| 12 | MORGAN STANLEY | 242,924 | $10.9M | 0.0% | 1.3% | +9.7% |
| 13 | Bank of New York Mellon Corp | 222,570 | $10.0M | 0.0% | 1.2% | -0.8% |
| 14 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 189,200 | $8.5M | 0.0% | 1% | +16.7% |
| 15 | GOLDMAN SACHS GROUP INC | 158,809 | $7.1M | 0.0% | 0.8% | +9.6% |
| 16 | PRINCIPAL FINANCIAL GROUP INC | 136,719 | $6.1M | 0.0% | 0.7% | +0.8% |
| 17 | Public Sector Pension Investment Board | 132,128 | $5.9M | 0.0% | 0.7% | +88.2% |
| 18 | Universal- Beteiligungs- und Servicegesellschaft mbH | 130,584 | $5.9M | 0.0% | 0.7% | +0.6% |
| 19 | Russell Investments Group, Ltd. | 129,720 | $5.8M | 0.0% | 0.7% | -29.2% |
| 20 | VANGUARD FIDUCIARY TRUST CO | 125,938 | $5.7M | 0.0% | 0.7% | -0.2% |
| 21 | JPMORGAN CHASE & CO | 122,354 | $5.5M | 0.0% | 0.6% | +34.9% |
| 22 | BANK OF AMERICA CORP /DE/ | 117,916 | $5.3M | 0.0% | 0.6% | -8.6% |
| 23 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 105,366 | $4.7M | 0.0% | 0.5% | -4.1% |
| 24 | FRANKLIN RESOURCES INC | 70,243 | $3.2M | 0.0% | 0.4% | +12.5% |
| 25 | FIRST TRUST ADVISORS LP | 65,533 | $2.9M | 0.0% | 0.3% | +2.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.