Boston Partners
KOP icon

Boston Partners’s Koppers KOP Stock Holding History

Boston 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
Q1 		$641K Sell
16,578
-5,502
-25% -$184K ﹤0.01% 672
2025
Q4 		$598K Buy
22,080
+937
+4% +$26.2K ﹤0.01% 664
2025
Q3 		$592K Buy
21,143
+4,534
+27% +$140K ﹤0.01% 669
2025
Q2 		$534K Buy
16,609
+26
+0.2% +$747 ﹤0.01% 647
2025
Q1 		$464K Buy
16,583
+9,079
+121% +$273K ﹤0.01% 643
2024
Q4 		$243K Buy
+7,504
New +$268K ﹤0.01% 699
2015
Q3 		– Sell
-226,486
Closed -$5.6M – 723
2015
Q2 		$5.6M Buy
226,486
+49,030
+28% +$1.19M 0.01% 496
2015
Q1 		$3.49M Sell
177,456
-44,445
-20% -$893K 0.01% 564
2014
Q4 		$5.76M Buy
221,901
+38,063
+21% +$1.17M 0.01% 504
2014
Q3 		$6.1M Buy
183,838
+29,399
+19% +$1.07M 0.01% 481
2014
Q2 		$5.91M Buy
154,439
+24,006
+18% +$940K 0.01% 488
2014
Q1 		$5.38M Buy
+130,433
New +$5.33M 0.01% 509
2013
Q4 		– Sell
-80,833
Closed -$3.45M – 719
2013
Q3 		$3.45M Buy
+80,833
New +$3.19M 0.01% 545

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

Boston Partners's KOP Position: Q1 2026 in Review

Boston Partners reduced its Koppers (KOP) stake by 25% in Q1 2026, selling an estimated $184K and leaving 16,578 shares worth $641K. The position accounts for ﹤0.01% of the portfolio, ranked #672.

Boston Partners first reported a position in KOP in Q3 2013 and has held it in 13 quarters since. The position peaked at $6.1M in Q3 2014. 204 funds tracked by Wall St. Rank hold KOP as of Q1 2026.

  • Boston Partners held 16,578 shares of Koppers worth $641K as of Q1 2026.
  • Boston Partners sold 5,502 Koppers shares in Q1 2026, an estimated $184K.
  • Koppers made up ﹤0.01% of Boston Partners's portfolio in Q1 2026, its #672 holding.
  • Boston Partners first reported a position in Koppers in Q3 2013 and has held it in 13 quarters since.
  • Boston Partners's Koppers position peaked at $6.1M in Q3 2014.
  • 204 funds tracked by Wall St. Rank held Koppers as of Q1 2026.

Based on Boston Partners's 13F filing for Q1 2026, filed 11 May 2026.