Janus Henderson Group’s Koppers KOP Stock Holding History

Janus Henderson Group’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	$355K	Hold	9,208	–	–	﹤0.01%	2150
2025 Q4	$250K	Hold	9,208	–	–	﹤0.01%	2283
2025 Q3	$258K	Hold	9,208	–	–	﹤0.01%	2267
2025 Q2	$296K	Hold	9,208	–	–	﹤0.01%	2174
2025 Q1	$257K	Hold	9,208	–	–	﹤0.01%	2269
2024 Q4	$298K	Hold	9,208	–	–	﹤0.01%	2255
2024 Q3	$337K	Hold	9,208	–	–	﹤0.01%	2201
2024 Q2	$340K	Sell	9,208 -103	-1%	-$4.8K	﹤0.01%	2152
2024 Q1	$513K	Buy	9,311 +1	+0%	+$52	﹤0.01%	1994
2023 Q4	$477K	Sell	9,310 -17	-0.2%	-$711	﹤0.01%	2014
2023 Q3	$369K	Buy	9,327 +3	+0%	+$113	﹤0.01%	2086
2023 Q2	$318K	Sell	9,324 -13	-0.1%	-$423	﹤0.01%	2223
2023 Q1	$326K	Buy	+9,337	New	+$310K	﹤0.01%	2244

Other funds holding KOP

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Pzena Investment Management New York $30.8B AUM 11.29% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

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 Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Janus Henderson Group's KOP Position: Q1 2026 in Review

Janus Henderson Group held its Koppers (KOP) position steady in Q1 2026 at 9,208 shares worth $355K. The position accounts for ﹤0.01% of the portfolio, ranked #2150.

Janus Henderson Group first reported a position in KOP in Q1 2023 and has held it in 13 quarters since. The position peaked at $513K in Q1 2024. 204 funds tracked by Wall St. Rank hold KOP as of Q1 2026.

Janus Henderson Group held 9,208 shares of Koppers worth $355K as of Q1 2026.
Janus Henderson Group left its Koppers share count unchanged in Q1 2026.
Koppers made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #2150 holding.
Janus Henderson Group first reported a position in Koppers in Q1 2023 and has held it in 13 quarters since.
Janus Henderson Group's Koppers position peaked at $513K in Q1 2024.
204 funds tracked by Wall St. Rank held Koppers as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.