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STATE OF WISCONSIN INVESTMENT BOARD

Position in WMB — Williams Companies, Inc.

CIK 854157 MADISON, WI

Position in WMB

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$52,936,023
+$10,084,386 QoQ
Shares Held
727,343
+2.0% QoQ
Ownership
0.059%
of shares outstanding
% of Portfolio
0.14%
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 WMB Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Midstream

Energy · as of Mar 31, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $311,934,561 across 22 Oil & Gas Midstream names. WMB ranks #1 (17.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 WMB
Williams Companies, Inc.
This page
727,343 $52,936,023

All Filings in WMB

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $52,936,023 727,343
2025-12-31 $42,851,637 712,887
2025-09-30 $42,586,340 672,239
2025-06-30 $44,506,914 708,596
2025-03-31 $50,951,913 852,609
2024-12-31 $46,780,407 864,383
2024-09-30 $40,634,708 890,136
2024-06-30 $30,885,430 726,716
2024-03-31 $28,017,403 718,948
2023-12-31 $22,399,695 643,115
2023-09-30 $22,288,596 661,579
2023-06-30 $20,706,182 634,575
2023-03-31 $19,335,126 647,526
2022-12-31 $27,533,055 836,871
2022-09-30 $25,264,887 882,462
2022-06-30 $26,126,515 837,120
2022-03-31 $29,161,751 872,845
2021-12-31 $23,198,437 890,877
2021-09-30 $23,576,347 908,880
2021-06-30 $22,945,837 864,250
2021-03-31 $21,090,235 890,259
2020-12-31 $19,767,936 985,932
2020-09-30 $16,721,698 850,977
2020-06-30 $16,125,859 847,837
2020-03-31 $10,312,463 728,796