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STATE OF WISCONSIN INVESTMENT BOARD

Position in NPKI — NPK International Inc.

CIK 854157 MADISON, WI

Position in NPKI

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,414,637
+$220,835 QoQ
Shares Held
88,915
+7.9% QoQ
Ownership
0.105%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#90
of 255 holders
Holding Since
Mar 2022
18 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in NPKI Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Jun 30, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $230,443,139 across 20 Building Products & Equipment names. NPKI ranks #18 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in NPKI

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18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,414,637 88,915
2026-03-31 $1,193,802 82,388
2025-12-31 $1,119,180 93,891
2025-09-30 $990,936 87,616
2025-06-30 $348,995 41,010
2025-03-31 $320,775 55,211
2024-12-31 $402,851 52,523
2024-09-30 $436,777 63,027
2024-06-30 $545,900 65,692
2024-03-31 $530,106 73,422
2023-12-31 $403,851 60,821
2023-09-30 $695,146 100,600
2023-06-30 $575,300 110,000
2023-03-31 $616,000 160,000
2022-12-31 $682,675 164,500
2022-09-30 $379,937 150,769
2022-06-30 $579,066 187,400
2022-03-31 $465,552 127,200