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SEI INVESTMENTS CO

Position in KOP — Koppers Holdings Inc.

CIK 350894 OAKS, PA

Position in KOP

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$2,706,787
+$1,696,136 QoQ
Shares Held
69,979
+87.5% QoQ
Ownership
0.364%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2020
11 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in KOP Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Mar 31, 2026

SEI INVESTMENTS CO holds $1,217,899,612 across 41 Specialty Chemicals names. KOP ranks #32 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in KOP

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11 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $2,706,787 69,979
2025-12-31 $1,010,651 37,321
2024-12-31 $451,753 13,943
2024-09-30 $671,969 18,395
2024-06-30 $2,863,432 77,411
2024-03-31 $3,587,042 65,018
2023-12-31 $1,865,073 36,413
2023-09-30 $1,216,439 30,757
2023-06-30 $617,960 18,122
2023-03-31 $849,525 24,293
2020-09-30 $644,028 30,800