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Equibles

STATE OF WISCONSIN INVESTMENT BOARD

Position in KOP — Koppers Holdings Inc.

CIK 854157 MADISON, WI
Back to KOP Full portfolio

Position in KOP

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,034,855
-$270,362 QoQ
Shares Held
23,048
-31.7% QoQ
Ownership
0.122%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#74
of 217 holders
Holding Since
Sep 2020
18 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

STATE OF WISCONSIN INVESTMENT BOARD holds $394,268,811 across 41 Specialty Chemicals names. KOP ranks #24 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 LIN
Linde PLC
 247,115 $128,237,858
2 SHW
Sherwin Williams Co
 125,537 $43,224,899
3 ECL
Ecolab Inc.
 135,916 $37,867,556
4 APD
Air Products & Chemicals, Inc.
 113,249 $33,202,341
5 ESI
Element Solutions Inc
 410,045 $19,579,648
6 PPG
Ppg Industries Inc
 119,437 $14,486,513
7 DD
DuPont de Nemours, Inc.
 95,878 $13,004,891
8 ALB
Albemarle Corp
 85,438 $11,536,693

All Filings in KOP

Export CSV
18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,034,855 23,048
2026-03-31 $1,305,217 33,744
2025-12-31 $471,679 17,418
2025-09-30 $1,135,820 40,565
2025-06-30 $1,754,264 54,565
2025-03-31 $495,936 17,712
2024-06-30 $555,441 15,016
2024-03-31 $796,654 14,440
2023-12-31 $475,270 9,279
2023-09-30 $630,347 15,938
2023-06-30 $444,800 13,044
2023-03-31 $704,016 20,132
2022-12-31 $896,901 31,805
2022-09-30 $688,732 33,144
2022-06-30 $776,461 34,296
2022-03-31 $473,344 17,200
2020-12-31 $296,020 9,500
2020-09-30 $324,105 15,500