Koppers
KOP
204 hedge funds and large institutions have $738M invested in Koppers in 2026 Q1 according to their latest regulatory filings, with 36 funds opening new positions, 69 increasing their positions, 64 reducing their positions, and 19 closing their positions.
267% more call options, than puts
Call options by funds: $2.68M | Put options by funds: $731K
89% more first-time investments, than exits
New positions opened: 36 | Existing positions closed: 19
41% more capital invested
Capital invested by funds: $523M → $738M (+$215M)
6% more funds holding
Funds holding: 192 → 204 (+12)
8% more repeat investments, than reductions
Existing positions increased: 69 | Existing positions reduced: 64
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
1.22% less ownership
Funds ownership: 98.43% → 97.21% (-1.2%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Two Sigma Investments
New York
|
+$7.43M |
| 2 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$5.42M |
| 3 |
Jane Street
New York
|
+$4.91M |
| 4 |
SCM
Simcoe Capital Management
New York
|
+$4.37M |
| 5 |
American Century Companies
Kansas City,
Missouri
|
+$3.87M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$22M |
| 2 |
Charles Schwab
San Francisco,
California
|
-$3.03M |
| 3 |
IIM
INTECH Investment Management
West Palm Beach,
Florida
|
-$2.08M |
| 4 |
SC
Skylands Capital
Milwaukee,
Wisconsin
|
-$2M |
| 5 |
Lazard Asset Management
New York
|
-$1.93M |
KOP Hedge Fund Activity: Q1 2026 in Review
204 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in Koppers (KOP) for Q1 2026, worth a combined $738M — up 41% from $523M a quarter earlier.
Buyers outnumbered sellers: 36 funds opened new KOP positions and 19 closed out — a net gain of 17 holders — while 69 added to existing stakes and 64 trimmed.
The largest buyer was Two Sigma Investments, adding an estimated $7.43M. The largest seller was BlackRock, cutting an estimated $22M.
- 204 institutional investors held Koppers (KOP) as of Q1 2026, up from 192 in Q4 2025.
- Funds reported $738M of Koppers stock for Q1 2026, up 41% quarter-over-quarter.
- 36 funds opened new Koppers positions in Q1 2026 and 19 closed out, a net change of +17 holders.
- The largest Koppers buyer in Q1 2026 was Two Sigma Investments, an estimated $7.43M added.
- The largest Koppers seller in Q1 2026 was BlackRock, an estimated $22M sold.
Based on aggregated 13F filings for Q1 2026.