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Mangrove Partners’s Koppers KOP Stock Holding History

Mangrove Partners’s Portfolio KOP Stock Details KOP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$561K Buy
12,486
+6,734
+117% +$276K 0.04% 195
2026
Q1 		$222K Sell
5,752
-16,980
-75% -$568K 0.02% 333
2025
Q4 		$616K Buy
+22,732
New +$636K 0.05% 143

Other funds holding KOP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SCM
Simcoe Capital Management New York $549M AUM 24.95% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Pzena Investment Management
Pzena Investment Management New York $34.1B AUM 23.81% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Mangrove Partners's KOP Position: Q2 2026 in Review

Mangrove Partners increased its Koppers (KOP) stake by 117% in Q2 2026, buying an estimated $276K and bringing the position to 12,486 shares worth $561K. The position accounts for 0.04% of the portfolio, ranked #195.

Mangrove Partners first reported a position in KOP in Q4 2025 and has held it in 3 quarters since. The position peaked at $616K in Q4 2025. 216 funds tracked by Wall St. Rank hold KOP as of Q2 2026.

  • Mangrove Partners held 12,486 shares of Koppers worth $561K as of Q2 2026.
  • Mangrove Partners bought 6,734 Koppers shares in Q2 2026, an estimated $276K.
  • Koppers made up 0.04% of Mangrove Partners's portfolio in Q2 2026, its #195 holding.
  • Mangrove Partners first reported a position in Koppers in Q4 2025 and has held it in 3 quarters since.
  • Mangrove Partners's Koppers position peaked at $616K in Q4 2025.
  • 216 funds tracked by Wall St. Rank held Koppers as of Q2 2026.

Based on Mangrove Partners's 13F filing for Q2 2026, filed 14 Aug 2026.