SEI INVESTMENTS CO

Position in KOP — Koppers Holdings Inc.

CIK 350894 OAKS, PA

Position in KOP

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$1,518,428

-$1,188,359 QoQ

Shares Held

33,818

-51.7% QoQ

Ownership

0.179%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#60

of 217 holders

Holding Since

Sep 2020

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

SEI INVESTMENTS CO holds $1,278,964,307 across 43 Specialty Chemicals names. KOP ranks #34 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LIN	Linde PLC	499,542	$259,232,324
2	ECL	Ecolab Inc.	710,123	$197,847,368
3	CBT	Cabot Corp	1,203,052	$109,261,182
4	RPM	Rpm International Inc/De/	830,236	$92,280,730
5	ALB	Albemarle Corp	565,171	$76,315,038
6	EMN	Eastman Chemical Co	1,116,619	$74,791,139
7	APD	Air Products & Chemicals, Inc.	237,374	$69,593,309
8	SHW	Sherwin Williams Co	185,144	$63,748,781

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,518,428	33,818	-51.7%	Shares	Sole	2026-08-14
2026-03-31	$2,706,787	69,979	+87.5%	Shares	Sole	2026-05-13
2025-12-31	$1,010,651	37,321	+167.7%	Shares	Sole	2026-02-13
2024-12-31	$451,753	13,943	-24.2%	Shares	Sole	2025-02-11
2024-09-30	$671,969	18,395	-76.2%	Shares	Sole	2024-11-12
2024-06-30	$2,863,432	77,411	+19.1%	Shares	Sole	2024-08-13
2024-03-31	$3,587,042	65,018	+78.6%	Shares	Sole	2024-05-07
2023-12-31	$1,865,073	36,413	+18.4%	Shares	Sole	2024-02-14
2023-09-30	$1,216,439	30,757	+69.7%	Shares	Sole	2023-11-14
2023-06-30	$617,960	18,122	-25.4%	Shares	Sole	2023-08-11
2023-03-31	$849,525	24,293	-21.1%	Shares	Defined	2023-05-12
2020-09-30	$644,028	30,800	—	Shares	Defined	2020-12-04
No filing history on record for this holder in this stock.