The Williams Companies, Inc.
MX ˙ BMV ˙ US9694571004
SecurityMX:WMB / The Williams Companies, Inc.
InstitutionGabelli Funds Llc
Latest Disclosed Ownership215,100 shares
Latest Disclosed Value $ 15,654,978
Gabelli Funds Llc reports 17.59% decrease in ownership of WMB / The Williams Companies, Inc.

On May 14, 2026 - Gabelli Funds Llc filed a 13F-HR form disclosing ownership of 215,100 shares of The Williams Companies, Inc. (MX:WMB) valued at $15,654,978 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 261,000 shares of The Williams Companies, Inc.. This represents a change in shares of -17.59% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F WILLIAMS COS EQUITY 969457100 215,100 -45,900 -17.59 15,655 -0.22 0.1057
2026-02-05 2025-12-31 13F WILLIAMS COS EQUITY 969457100 261,000 17,900 7.36 15,689 1.87 0.1062
2025-11-12 2025-09-30 13F WILLIAMS COS EQUITY 969457100 243,100 0 0.00 15,400 0.86 0.1042
2025-08-13 2025-06-30 13F WILLIAMS COS EQUITY 969457100 243,100 88,000 56.74 15,269 64.75 0.1084
2025-05-14 2025-03-31 13F WILLIAMS COS EQUITY 969457100 155,100 -109,600 -41.41 9,269 -35.30 0.0706
2025-02-13 2024-12-31 13F WILLIAMS COS EQUITY 969457100 264,700 6,300 2.44 14,326 21.45 0.1076
2024-11-13 2024-09-30 13F WILLIAMS COS EQUITY 969457100 258,400 47,100 22.29 11,796 31.35 0.0850
2024-08-13 2024-06-30 13F WILLIAMS COS EQUITY 969457100 211,300 14,500 7.37 8,980 17.09 0.0682
2024-05-14 2024-03-31 13F WILLIAMS COS EQUITY 969457100 196,800 -30,800 -13.53 7,669 -3.25 0.0565
2024-02-13 2023-12-31 13F WILLIAMS COS EQUITY 969457100 227,600 12,800 5.96 7,927 9.55 0.0610
2023-11-08 2023-09-30 13F WILLIAMS COS EQUITY 969457100 214,800 10,300 5.04 7,237 8.45 0.0587
2023-08-10 2023-06-30 13F WILLIAMS COS EQUITY 969457100 204,500 0 0.00 6,673 9.27 0.0506
2023-05-12 2023-03-31 13F WILLIAMS COS EQUITY 969457100 204,500 0 0.00 6,106 -9.24 0.0463
2023-02-13 2022-12-31 13F WILLIAMS COS EQUITY 969457100 204,500 -17,000 -7.67 6,728 6.09 0.0523
2022-11-14 2022-09-30 13F/A-1 WILLIAMS COS COM 969457100 221,500 0 0.00 6,342 -8.26 0.0523
2022-11-10 2022-09-30 13F WILLIAMS COS COM 969457100 221,500 0 6,342 0.0523
2022-08-12 2022-06-30 13F WILLIAMS COS COM 969457100 221,500 39,000 21.37 6,913 13.38 0.0531
2022-05-18 2022-03-31 13F/A-1 WILLIAMS COS COM 969457100 182,500 -82,000 -31.00 6,097 -11.48 0.0401
2022-05-13 2022-03-31 13F WILLIAMS COS COM 969457100 182,500 -82,000 6,097 0.0412
2022-02-11 2021-12-31 13F WILLIAMS COS COM 969457100 264,500 -118,000 -30.85 6,888 -30.58 0.0435
2021-11-12 2021-09-30 13F WILLIAMS COS COM 969457100 382,500 -116,000 -23.27 9,922 -25.03 0.0657
2021-08-13 2021-06-30 13F WILLIAMS COS COM 969457100 498,500 119,300 31.46 13,235 47.33 0.0843
2021-05-14 2021-03-31 13F WILLIAMS COS COM 969457100 379,200 56,000 17.33 8,983 38.63 0.0602
2021-02-05 2020-12-31 13F WILLIAMS COS COM 969457100 323,200 -94,000 -22.53 6,480 -20.96 0.0462
2020-11-06 2020-09-30 13F WILLIAMS COS COM 969457100 417,200 0 0.00 8,198 3.31 0.0639
2020-08-13 2020-06-30 13F WILLIAMS COS COM 969457100 417,200 118,700 39.77 7,935 87.86 0.0647
2020-05-14 2020-03-31 13F WILLIAMS COS COM 969457100 298,500 0 0.00 4,224 -40.34 0.0376
2020-02-14 2019-12-31 13F WILLIAMS COS COM 969457100 298,500 0 0.00 7,080 -1.42 0.0458
2019-11-01 2019-09-30 13F WILLIAMS COS COM 969457100 298,500 0 0.00 7,182 -14.19 0.0474
2019-08-02 2019-06-30 13F WILLIAMS COS COM 969457100 298,500 15,500 5.48 8,370 2.98 0.0537
2019-05-02 2019-03-31 13F WILLIAMS COS COM 969457100 283,000 49,400 21.15 8,128 57.79 0.0511
2019-01-30 2018-12-31 13F WILLIAMS COS COM 969457100 233,600 0 0.00 5,151 -18.91 0.0353
2018-11-02 2018-09-30 13F WILLIAMS COS COM 969457100 233,600 -5,900 -2.46 6,352 -2.17 0.0364
2018-08-10 2018-06-30 13F WILLIAMS COS COM 969457100 239,500 0 0.00 6,493 9.05 0.0385
2018-05-09 2018-03-31 13F WILLIAMS COS COM 969457100 239,500 -47,500 -16.55 5,954 -31.96 0.0355
2018-02-02 2017-12-31 13F WILLIAMS COS COM 969457100 287,000 0 0.00 8,751 1.60 0.0504
2017-11-01 2017-09-30 13F WILLIAMS COS COM 969457100 287,000 4,500 1.59 8,613 0.69 0.0493
2017-08-03 2017-06-30 13F WILLIAMS COS COM 969457100 282,500 -45,200 -13.79 8,554 -11.79 0.0508
2017-05-04 2017-03-31 13F WILLIAMS COS COM 969457100 327,700 82,000 33.37 9,697 26.74 0.0572
2017-02-10 2016-12-31 13F WILLIAMS COS COM 969457100 245,700 1,700 0.70 7,651 2.04 0.0453
2016-11-10 2016-09-30 13F WILLIAMS COS COM 969457100 244,000 0 0.00 7,498 42.06 0.0445
2016-08-04 2016-06-30 13F WILLIAMS COS COM 969457100 244,000 0 0.00 5,278 34.61 0.0311
2016-05-05 2016-03-31 13F WILLIAMS COS COM 969457100 244,000 0 0.00 3,921 -37.47 0.0236
2016-02-05 2015-12-31 13F WILLIAMS COS COM 969457100 244,000 -1,500 -0.61 6,271 -30.68 0.0380
2015-10-23 2015-09-30 13F WILLIAMS COS COM 969457100 245,500 183,100 293.43 9,047 152.64 0.0538
2015-08-05 2015-06-30 13F WILLIAMS COS COM 969457100 62,400 -239,100 -79.30 3,581 -69.21 0.0187
2014-02-07 2013-12-31 13F WILLIAMS COS COM 969457100 301,500 125,000 70.82 11,629 81.19 0.0619
2013-11-07 2013-09-30 13F WILLIAMS COS COM 969457100 176,500 -253,500 -58.95 6,418 -54.03 0.0365
2013-08-02 2013-06-30 13F/A-1 WILLIAMS COS COM 969457100 430,000 430,000 13,962 0.0847
2013-08-01 2013-06-30 13F WILLIAMS COS COM 969457100 430,000 13,962 0.0847
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.