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GAMCO Investors’s Koppers KOP Stock Holding History

GAMCO Investors’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 		$1.29M Hold
28,814
– – 0.01% 561
2026
Q1 		$1.11M Sell
28,814
-1,900
-6% -$63.5K 0.01% 607
2025
Q4 		$832K Sell
30,714
-11,000
-26% -$308K 0.01% 688
2025
Q3 		$1.17M Sell
41,714
-5,800
-12% -$179K 0.01% 618
2025
Q2 		$1.53M Buy
+47,514
New +$1.36M 0.02% 588

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

GAMCO Investors's KOP Position: Q2 2026 in Review

GAMCO Investors held its Koppers (KOP) position steady in Q2 2026 at 28,814 shares worth $1.29M. The position accounts for 0.01% of the portfolio, ranked #561.

GAMCO Investors first reported a position in KOP in Q2 2025 and has held it in 5 quarters since. The position peaked at $1.53M in Q2 2025. 216 funds tracked by Wall St. Rank hold KOP as of Q2 2026.

  • GAMCO Investors held 28,814 shares of Koppers worth $1.29M as of Q2 2026.
  • GAMCO Investors left its Koppers share count unchanged in Q2 2026.
  • Koppers made up 0.01% of GAMCO Investors's portfolio in Q2 2026, its #561 holding.
  • GAMCO Investors first reported a position in Koppers in Q2 2025 and has held it in 5 quarters since.
  • GAMCO Investors's Koppers position peaked at $1.53M in Q2 2025.
  • 216 funds tracked by Wall St. Rank held Koppers as of Q2 2026.

Based on GAMCO Investors's 13F filing for Q2 2026, filed 12 Aug 2026.