Koppers Holdings Inc (KOP)
Basic Materials
Specialty Chemicals
49.00 $
+0.1%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Koppers Holdings Inc (KOP)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 87.0% of the shares are freely tradable; institutional investors hold 104.2%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
104.2%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
7.5%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
87.0%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
5.7%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
19Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.83 | 3,045,112 | -17.8 | 03/31/2026 |
| Vanguard Group Inc | 8.01 | 1,540,012 | +0.0 | 12/31/2025 |
| Pzena Investment Management, LLC | 6.29 | 1,209,376 | +0.4 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 6.19 | 1,191,358 | +1.5 | 03/31/2026 |
| Fuller & Thaler Asset Management Inc | 5.09 | 978,590 | -51.7 | 03/31/2026 |
| Simcoe Capital Management, LLC | 4.91 | 944,430 | +16.1 | 03/31/2026 |
| LSV Asset Management | 4.82 | 926,031 | -2.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.37 | 840,446 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.18 | 1,189,395 | +0.0 | 05/29/2026 |
| FullerThaler Behavioral Small-Cap Value | 4.45 | 854,877 | +1.4 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.