Koppers Ownership | Who Owns Koppers?
Koppers Ownership Summary
Koppers is owned by 76.39% institutional investors, 7.57% insiders, and 16.05% retail investors. Blackrock is the largest institutional shareholder, holding 18.14% of KOP shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.19% of its assets in Koppers shares.
KOP Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Koppers | 76.39% | 7.57% | 16.05% |
| Sector | Basic Materials Stocks | 41.27% | 13.22% | 45.51% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 3.82M | 18.14% | $141.35M |
| Blackrock funding, inc. /de | 3.05M | 15.34% | $117.78M |
| Vanguard group | 1.54M | 7.84% | $41.70M |
| Pzena investment management | 1.21M | 6.09% | $46.78M |
| Dimensional fund advisors lp | 1.19M | 6.00% | $46.08M |
| Fuller & thaler asset management | 978.59K | 4.93% | $37.85M |
| Simcoe capital management | 944.43K | 4.76% | $36.53M |
| Lsv asset management | 926.03K | 4.66% | $35.82M |
| State street | 752.26K | 3.79% | $29.10M |
| American century companies | 535.00K | 2.69% | $20.69M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Simcoe capital management | 944.43K | 6.34% | $36.53M |
| Quaker capital investments | 457.85K | 4.33% | $17.71M |
| Villanova investment management | 55.84K | 2.21% | $2.16M |
| Kestrel investment management | 83.45K | 1.93% | $3.23M |
| Ironwood investment management | 59.42K | 0.96% | $2.30M |
| Santori & peters | 79.01K | 0.95% | $3.06M |
| Jb capital partners lp | 78.10K | 0.52% | $3.02M |
| Kennondale capital management | 13.58K | 0.38% | $525.20K |
| Pacific ridge capital partners | 43.49K | 0.36% | $1.68M |
| Waterfront wealth | 41.49K | 0.29% | $1.61M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Two sigma investments, lp | 417.54K | 0.01% | 222.10K |
| Arrowstreet capital, limited partnership | 162.07K | 0.00% | 162.07K |
| Jane street group | 146.95K | 0.00% | 146.95K |
| Simcoe capital management | 944.43K | 6.34% | 130.84K |
| Vanguard fiduciary trust | 126.22K | 0.00% | 126.22K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 3.05M | 0.00% | -658.40K |
| Rubric capital management lp | - | - | -361.49K |
| Hennessy advisors | - | - | -165.60K |
| Assenagon asset management | - | - | -123.06K |
| Charles schwab investment management | 477.88K | 0.00% | -90.53K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Arrowstreet capital, limited partnership | 162.07K | 0.00% | 162.07K | $6.27M |
| Vanguard fiduciary trust | 126.22K | 0.00% | 126.22K | $4.88M |
| Lord, abbett | 90.00K | 0.01% | 90.00K | $3.48M |
| Denali advisors | 54.97K | 0.24% | 54.97K | $2.13M |
| Vanguard global advisers | 46.30K | 0.00% | 46.30K | $1.79M |
Sold Out
| Holder | Change |
|---|---|
| Tfc financial management | -1.00 |
| Mendota financial group | -2.00 |
| Svb wealth | -3.00 |
| Nelson, van denburg & campbell wealth management group | -4.00 |
| Larson financial group | -5.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 157 | -17.80% | 15,167,044 | -21.48% | 76 | 0.79% | 80 | -5.88% | 43 | -42.67% |
| Dec 31, 2025 | 163 | -18.50% | 18,278,451 | -1.24% | 93 | 1.07% | 73 | -25.51% | 60 | -10.45% |
| Sep 30, 2025 | 192 | -5.42% | 18,487,006 | -0.75% | 92 | 1.06% | 93 | -11.43% | 66 | 1.54% |
| Jun 30, 2025 | 200 | 5.26% | 18,570,944 | -1.88% | 93 | 1.08% | 103 | 17.05% | 64 | - |
| Mar 31, 2025 | 189 | -1.05% | 18,908,704 | 0.46% | 92 | 1.09% | 88 | -9.28% | 63 | 1.61% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 1.20M | 6.19% | 312.00 |
| FullerThaler Behavioral Small-Cap Value | 843.21K | 4.36% | - |
| Undiscovered Managers Behavioral Val L | 798.80K | 4.13% | 10.20K |
| iShares US Infrastructure ETF | 709.82K | 3.61% | 709.82K |
| Vanguard Total Stock Mkt Idx Inv | 598.44K | 3.11% | - |
| Vanguard US Total Market Shares ETF | 623.75K | 3.10% | - |
| Avantis US Small Cap Value ETF | 501.00K | 2.59% | - |
| iShares Russell 2000 ETF | 438.57K | 2.27% | 3.71K |
| CS McKee Micro Cap Value | 312.25K | 1.62% | - |
| DFA US Small Cap Value I | 268.54K | 1.39% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 13, 2026 | BALL M LEROY | CEO | Sell | $113.14K |
| Mar 17, 2026 | BALL M LEROY | CEO | Sell | $94.36K |
| Mar 02, 2026 | BALL M LEROY | CEO | Sell | $79.78K |
| Mar 02, 2026 | BALL M LEROY | CEO | Sell | $12.28K |
| Mar 02, 2026 | BALL M LEROY | CEO | Sell | $139.31K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 1 |
| 2026 Q1 | - | 4 |
| 2025 Q4 | - | - |
| 2025 Q3 | - | 1 |
| 2025 Q2 | - | - |
KOP Ownership FAQ
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