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STATE OF WISCONSIN INVESTMENT BOARD

Position in ECL — Ecolab Inc.

CIK 854157 MADISON, WI

Position in ECL

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$36,742,948
+$2,019,691 QoQ
Shares Held
138,121
+4.4% QoQ
Ownership
0.049%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in ECL Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Mar 31, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $414,380,287 across 35 Specialty Chemicals names. ECL ranks #4 (8.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 ECL
Ecolab Inc.
This page
138,121 $36,742,948

All Filings in ECL

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $36,742,948 138,121
2025-12-31 $34,723,257 132,269
2025-09-30 $36,787,066 134,328
2025-06-30 $36,720,630 136,285
2025-03-31 $44,267,380 174,611
2024-12-31 $38,499,478 164,303
2024-09-30 $63,650,449 249,287
2024-06-30 $67,483,234 283,543
2024-03-31 $59,111,323 256,004
2023-12-31 $35,551,658 179,237
2023-09-30 $23,097,012 136,346
2023-06-30 $24,907,993 133,419
2023-03-31 $26,187,508 158,204
2022-12-31 $21,493,098 147,658
2022-09-30 $20,432,974 141,483
2022-06-30 $24,086,811 156,652
2022-03-31 $25,485,376 144,344
2021-12-31 $29,033,327 123,762
2021-09-30 $25,996,764 124,613
2021-06-30 $23,915,382 116,111
2021-03-31 $25,959,840 121,268
2020-12-31 $28,885,358 133,506
2020-09-30 $27,226,401 136,241
2020-06-30 $26,989,755 135,661
2020-03-31 $19,790,565 127,001