Koppers Holdings
KOP · NYSE
$41.70−$1.21 (−2.82%)TodayMarket closed ·
Prev close $42.91
Who owns KOP
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 60.2% of KOP’s shares.
- BlackRock Institutional Trust Company, N.A.14.3%
- Simcoe Capital Management, LLC7.4%
- Dimensional Fund Advisors, L.P.6.4%
- Pzena Investment Management, LLC5.5%
- Next 6 largest institutions26.6%
- All other shareholders39.8%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 2.74M | 14.27% |
| Simcoe Capital Management, LLC | 1.42M | 7.36% |
| Dimensional Fund Advisors, L.P. | 1.24M | 6.43% |
| Pzena Investment Management, LLC | 1.06M | 5.52% |
| Fuller & Thaler Asset Management Inc. | 943.28K | 4.91% |
| LSV Asset Management | 941.88K | 4.90% |
| American Century Investment Management, Inc. | 848.07K | 4.41% |
| Vanguard Capital Management, LLC | 812.63K | 4.23% |
| State Street Investment Management (US) | 804.55K | 4.18% |
| Ball (Leroy M. Jr.) | 759.00K | 3.95% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 1.17M | 6.11% |
| Avantis US Small Cap Value ETF | 826.98K | 4.30% |
| Undiscovered Managers Behavioral Value Fund | 755.90K | 3.93% |
| Vanguard Total Stock Market Index Fund | 581.10K | 3.02% |
| iShares Russell 2000 ETF | 475.76K | 2.47% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $5.29M (10 trades) of KOP on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| MOTLEY DAVID L | Award | 20 | — |
| Feng Xudong | Award | 33 | — |
| Sandifer Andrew D | Award | 14 | — |
| WILKERSON SONJA MICHELLE | Award | 29 | — |
| BALL M LEROY | Gift | 200 | — |
| BALL M LEROY | Sale | 4.00K | $183.84K |
| BALL M LEROY | Sale | 3.00K | $137.52K |
| Lucas Stephen G | Sale | 1.31K | $58.27K |
| Sullivan James A. | Sale | 7.50K | $375.00K |
| Pearce Bradley A | Sale | 2.00K | $102.02K |
Short interest
Settled Sep 30, 2026
- Shares short
- 800.97K
- Days to cover
- 4.47
- % of shares outstanding
- 4.17%
- Average daily volume
- 179.27K
- Change since last report
- +4.1%
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