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Harbor Capital Advisors’s Koppers KOP Stock Holding History

Harbor Capital Advisors’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
Q1 		$570K Buy
14,733
+6,355
+76% +$212K 0.05% 456
2025
Q4 		$227K Buy
8,378
+186
+2% +$5.2K 0.02% 598
2025
Q3 		$229K Buy
8,192
+2,635
+47% +$81.1K 0.02% 588
2025
Q2 		$179K Sell
5,557
-530
-9% -$15.2K 0.01% 618
2025
Q1 		$170K Sell
6,087
-3,540
-37% -$107K 0.01% 625
2024
Q4 		$312K Sell
9,627
-456
-5% -$16.3K 0.01% 607
2024
Q3 		$368K Sell
10,083
-889
-8% -$33.2K 0.02% 612
2024
Q2 		$406K Buy
10,972
+434
+4% +$20.2K 0.03% 567
2024
Q1 		$581K Buy
10,538
+1,321
+14% +$68.3K 0.08% 346
2023
Q4 		$472K Buy
9,217
+511
+6% +$21.4K 0.09% 250
2023
Q3 		$344K Sell
8,706
-1,013
-10% -$38.3K 0.07% 284
2023
Q2 		$331K Buy
+9,719
New +$317K 0.07% 309

Other funds holding KOP

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Pzena Investment Management
Pzena Investment Management New York $30.8B AUM 11.29% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
SCM
Simcoe Capital Management New York $576M AUM 36.22% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Harbor Capital Advisors's KOP Position: Q1 2026 in Review

Harbor Capital Advisors increased its Koppers (KOP) stake by 76% in Q1 2026, buying an estimated $212K and bringing the position to 14,733 shares worth $570K. The position accounts for 0.05% of the portfolio, ranked #456.

Harbor Capital Advisors first reported a position in KOP in Q2 2023 and has held it in 12 quarters since. The position peaked at $581K in Q1 2024. 204 funds tracked by Wall St. Rank hold KOP as of Q1 2026.

  • Harbor Capital Advisors held 14,733 shares of Koppers worth $570K as of Q1 2026.
  • Harbor Capital Advisors bought 6,355 Koppers shares in Q1 2026, an estimated $212K.
  • Koppers made up 0.05% of Harbor Capital Advisors's portfolio in Q1 2026, its #456 holding.
  • Harbor Capital Advisors first reported a position in Koppers in Q2 2023 and has held it in 12 quarters since.
  • Harbor Capital Advisors's Koppers position peaked at $581K in Q1 2024.
  • 204 funds tracked by Wall St. Rank held Koppers as of Q1 2026.

Based on Harbor Capital Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.