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, 2026STATE 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 | |
| 2 | TRGP |
Targa Resources Corp.
|
156,558 | $39,253,787 | |
| 3 | ENB |
Enbridge Inc
|
687,930 | $37,244,530 | |
| 4 | KMI |
Kinder Morgan, Inc.
|
1,084,703 | $36,370,091 | |
| 5 | OKE |
Oneok Inc /New/
|
358,056 | $32,364,681 | |
| 6 | LNG |
Cheniere Energy, Inc.
|
112,223 | $31,844,398 | |
| 7 | TRP |
Tc Energy Corp
|
328,201 | $20,545,382 | |
| 8 | PAA |
Plains All American Pipeline LP
|
785,079 | $17,530,814 |
All Filings in WMB
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $52,936,023 | 727,343 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $42,851,637 | 712,887 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $42,586,340 | 672,239 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $44,506,914 | 708,596 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $50,951,913 | 852,609 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $46,780,407 | 864,383 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $40,634,708 | 890,136 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $30,885,430 | 726,716 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $28,017,403 | 718,948 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $22,399,695 | 643,115 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $22,288,596 | 661,579 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $20,706,182 | 634,575 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $19,335,126 | 647,526 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $27,533,055 | 836,871 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $25,264,887 | 882,462 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $26,126,515 | 837,120 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $29,161,751 | 872,845 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $23,198,437 | 890,877 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $23,576,347 | 908,880 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $22,945,837 | 864,250 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $21,090,235 | 890,259 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $19,767,936 | 985,932 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $16,721,698 | 850,977 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $16,125,859 | 847,837 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $10,312,463 | 728,796 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||