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GAMCO INVESTORS, INC. ET AL

Position in KOP — Koppers Holdings Inc.

CIK 807249 GREENWICH, CT

Position in KOP

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,293,748
+$179,223 QoQ
Shares Held
28,814
0.0% QoQ
Ownership
0.152%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#68
of 217 holders
Holding Since
Jun 2025
5 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 Jun 30, 2026

GAMCO INVESTORS, INC. ET AL holds $246,249,920 across 24 Specialty Chemicals names. KOP ranks #17 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in KOP

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,293,748 28,814
2026-03-31 $1,114,525 28,814
2025-12-31 $831,735 30,714
2025-09-30 $1,167,992 41,714
2025-06-30 $1,527,575 47,514