Koppers Ownership | Who Owns Koppers?
Koppers Ownership Summary
Koppers is owned by 101.08% institutional investors, 7.19% insiders. 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 | 101.08% | 7.19% | -8.27% |
| Sector | Basic Materials Stocks | 58.82% | 12.62% | 28.56% |
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 | 15.59% | $136.84M |
| Vanguard group | 1.54M | 7.84% | $41.70M |
| Simcoe capital management | 1.42M | 7.24% | $63.59M |
| Dimensional fund advisors lp | 1.24M | 6.33% | $55.55M |
| Pzena investment management | 1.06M | 5.43% | $47.65M |
| Fuller & thaler asset management | 943.28K | 4.82% | $42.35M |
| Lsv asset management | 941.88K | 4.82% | $42.29M |
| American century companies | 848.07K | 4.34% | $38.08M |
| Vanguard capital management | 812.63K | 4.16% | $36.49M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Simcoe capital management | 1.42M | 11.58% | $63.59M |
| Quaker capital investments | 408.56K | 5.02% | $18.34M |
| Villanova investment management | 55.84K | 2.38% | $2.51M |
| Kestrel investment management | 83.45K | 2.04% | $3.75M |
| Santori & peters | 83.83K | 1.06% | $3.76M |
| Ironwood investment management | 58.12K | 0.90% | $2.61M |
| Jb capital partners lp | 78.10K | 0.54% | $3.51M |
| Denali advisors | 96.09K | 0.43% | $4.31M |
| Covestor | 15.96K | 0.41% | $716.00K |
| Kennondale capital management | 13.58K | 0.41% | $609.65K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Simcoe capital management | 1.42M | 11.58% | 471.73K |
| Sixth street partners management company | 384.12K | 0.00% | 384.12K |
| American century companies | 848.07K | 0.02% | 313.07K |
| Invesco | 332.61K | 0.00% | 147.02K |
| Pacer advisors | 114.07K | 0.01% | 114.07K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Rubric capital management lp | - | - | -361.49K |
| Hennessy advisors | - | - | -165.60K |
| Two sigma investments, lp | 266.05K | 0.01% | -151.48K |
| Pzena investment management | 1.06M | 0.14% | -148.09K |
| Assenagon asset management | - | - | -123.06K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Sixth street partners management company | 384.12K | 0.00% | 384.12K | $17.25M |
| Pacer advisors | 114.07K | 0.01% | 114.07K | $5.12M |
| Weiss asset management lp | 14.41K | 0.00% | 14.41K | $403.54K |
| Advisorshares investments | 12.60K | 0.07% | 12.60K | $565.74K |
| Gotham asset management | 11.52K | 0.00% | 11.52K | $517.34K |
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 |
| Riggs asset managment | -8.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 217 | 4.83% | 19,763,934 | 3.52% | 101 | 1.09% | 107 | 2.88% | 69 | 4.55% |
| 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 | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 1.17M | 6.19% | 808.00 |
| FullerThaler Behavioral Small-Cap Value | 822.66K | 4.35% | -31.00K |
| FullerThaler Beh Small-Cap Value SMA | 822.66K | 4.35% | 803.67K |
| Avantis US Small Cap Value ETF | 773.38K | 4.09% | 3.08K |
| Undiscovered Managers Behavioral Val L | 767.80K | 4.06% | -31.00K |
| iShares US Infrastructure ETF | 709.82K | 3.61% | 709.82K |
| Vanguard US Total Market Shares ETF | 623.75K | 3.10% | - |
| Vanguard MStar Total Stk Mkt Idx Invest | 581.10K | 3.07% | 8.86K |
| Vanguard Total Stock Mkt Idx Inv | 572.24K | 2.98% | -26.20K |
| Vanguard Morn Total Stk Mkt Idx Investor | 572.24K | 2.98% | -26.20K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 31, 2026 | BALL M LEROY | CEO | Sell | $183.84K |
| Aug 19, 2026 | BALL M LEROY | CEO | Sell | $137.52K |
| Aug 12, 2026 | Lucas Stephen G | SVP, Culture and Engagement | Sell | $58.27K |
| Aug 11, 2026 | Sullivan James A. | President and CTO | Sell | $375.00K |
| Aug 10, 2026 | Pearce Bradley A | CAO | Sell | $102.02K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 7 |
| 2026 Q2 | - | 3 |
| 2026 Q1 | - | 4 |
| 2025 Q4 | - | - |
| 2025 Q3 | - | 1 |
KOP Ownership FAQ
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