The Williams Companies, Inc.
MX ˙ BMV ˙ US9694571004
SecurityMX:WMB / The Williams Companies, Inc.
InstitutionUBS Group AG
Latest Disclosed Ownership9,047,346 shares
Latest Disclosed Value $ 658,465,871
UBS Group AG ownership in WMB / The Williams Companies, Inc.

On May 5, 2026 - UBS Group AG filed a 13F-HR form disclosing ownership of 9,047,346 shares of The Williams Companies, Inc. (MX:WMB) valued at $658,465,871 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 29, 2026 disclosing 9,384,615 shares of The Williams Companies, Inc.. This represents a change in shares of -3.59% during the quarter.

UBS Group AG has a history of taking positions in derivatives of the underlying security (WMB) in the form of stock options. The firm currently holds call options representing 265,200 of underlying shares valued at $19,301,256 USD and put options representing 235,300 of underlying shares valued at $17,125,134 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:WMB / The Williams Companies, Inc. Historical Put/Call Ratio
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)
2026-05-05 2026-03-31 13F WILLIAMS COS COM 969457100 9,047,346 -337,269 -3.59 658,466 16.73 0.0184
2026-01-29 2025-12-31 13F WILLIAMS COS COM 969457100 9,384,615 -1,100,336 -10.49 564,109 -15.07 0.0915
2025-11-13 2025-09-30 13F WILLIAMS COS COM 969457100 10,484,951 -835,538 -7.38 664,222 -6.58 0.1041
2025-08-14 2025-06-30 13F WILLIAMS COS COM 969457100 11,320,489 -2,702,621 -19.27 711,040 -15.15 0.1231
2025-05-13 2025-03-31 13F WILLIAMS COS COM 969457100 14,023,110 1,269,782 9.96 838,021 21.42 0.1541
2025-02-14 2024-12-31 13F WILLIAMS COS COM 969457100 12,753,328 2,182,755 20.65 690,210 43.04 0.1276
2024-11-14 2024-09-30 13F WILLIAMS COS COM 969457100 10,570,573 -456,152 -4.14 482,547 2.97 0.1051
2024-08-14 2024-06-30 13F WILLIAMS COS COM 969457100 11,026,725 373,309 3.50 468,636 12.88 0.1158
2024-05-13 2024-03-31 13F WILLIAMS COS COM 969457100 10,653,416 3,448,576 47.86 415,164 65.44 0.1034
2024-02-09 2023-12-31 13F WILLIAMS COS COM 969457100 7,204,840 -714,150 -9.02 250,945 -5.94 0.0751
2023-11-09 2023-09-30 13F WILLIAMS COS COM 969457100 7,918,990 -641,347 -7.49 266,791 -4.49 0.0920
2023-08-11 2023-06-30 13F WILLIAMS COS COM 969457100 8,560,337 748,321 9.58 279,324 19.74 0.0943
2023-05-12 2023-03-31 13F WILLIAMS COS COM 969457100 7,812,016 -79,373 -1.01 233,267 -10.15 0.0852
2023-02-08 2022-12-31 13F WILLIAMS COS COM 969457100 7,891,389 792,093 11.16 259,627 27.74 0.0969
2022-11-10 2022-09-30 13F WILLIAMS COS COM 969457100 7,099,296 406,269 6.07 203,252 -2.70 0.0891
2022-08-10 2022-06-30 13F WILLIAMS COS COM 969457100 6,693,027 -8,372 -0.12 208,889 -6.70 0.0858
2022-05-16 2022-03-31 13F WILLIAMS COS COM 969457100 6,701,399 347,393 5.47 223,893 35.32 0.0746
2022-02-14 2021-12-31 13F WILLIAMS COS COM 969457100 6,354,006 -2,593,842 -28.99 165,458 -28.72 0.0474
2021-11-15 2021-09-30 13F WILLIAMS COS COM 969457100 8,947,848 1,142,746 14.64 232,108 12.01 0.0731
2021-08-13 2021-06-30 13F WILLIAMS COS COM 969457100 7,805,102 -254,260 -3.15 207,226 8.54 0.0668
2021-05-12 2021-03-31 13F WILLIAMS COS COM 969457100 8,059,362 1,066,974 15.26 190,926 36.18 0.0634
2021-02-11 2020-12-31 13F WILLIAMS COS COM 969457100 6,992,388 745,025 11.93 140,197 14.20 0.0474
2020-11-12 2020-09-30 13F WILLIAMS COS COM 969457100 6,247,363 -383,735 -5.79 122,761 -2.67 0.0463
2020-07-31 2020-06-30 13F WILLIAMS COS COM 969457100 6,631,098 1,003,868 17.84 126,123 58.40 0.0533
2020-05-01 2020-03-31 13F WILLIAMS COS COM 969457100 5,627,230 -1,001,611 -15.11 79,625 -49.36 0.0375
2020-02-14 2019-12-31 13F WILLIAMS COS INC DEL COM 969457100 6,628,841 -725,165 -9.86 157,236 -11.13 0.0547
2019-11-14 2019-09-30 13F WILLIAMS COS INC DEL COM 969457100 7,354,006 387,314 5.56 176,938 -9.42 0.0681
2019-08-14 2019-06-30 13F WILLIAMS COS INC DEL COM 969457100 6,966,692 486,333 7.50 195,346 4.96 0.0752
2019-05-14 2019-03-31 13F WILLIAMS COS INC DEL COM 969457100 6,480,359 1,447,078 28.75 186,116 67.70 0.0769
2019-02-14 2018-12-31 13F WILLIAMS COS INC DEL COM 969457100 5,033,281 -1,220,802 -19.52 110,984 -34.73 0.0503
2018-11-14 2018-09-30 13F WILLIAMS COS INC DEL COM 969457100 6,254,083 3,406,087 119.60 170,048 120.24 0.0674
2018-08-14 2018-06-30 13F WILLIAMS COS INC DEL COM 969457100 2,847,996 228,786 8.73 77,209 18.58 0.0334
2018-05-15 2018-03-31 13F WILLIAMS COS INC DEL COM 969457100 2,619,210 -44,921 -1.69 65,114 -19.84 0.0281
2018-02-14 2017-12-31 13F WILLIAMS COS INC DEL COM 969457100 2,664,131 -114,805 -4.13 81,230 -2.60 0.0334
2017-11-14 2017-09-30 13F WILLIAMS COS INC DEL COM 969457100 2,778,936 -61,824 -2.18 83,397 -3.05 0.0386
2017-11-14 2017-06-30 13F/A-1 WILLIAMS COS INC DEL COM 969457100 2,840,760 156,128 5.82 86,019 8.28 0.0445
2017-08-14 2017-06-30 13F WILLIAMS COS INC DEL COM 969457100 2,840,760 156,128 86,019
2017-11-14 2017-03-31 13F/A-1 WILLIAMS COS INC DEL COM 969457100 2,684,632 -92,501 -3.33 79,438 -8.14 0.0433
2017-05-12 2017-03-31 13F WILLIAMS COS INC DEL COM 969457100 2,684,632 -92,501 79,438
2017-02-14 2016-12-31 13F WILLIAMS COS INC DEL COM 969457100 2,777,133 103,541 3.87 86,481 5.26 0.0478
2016-11-14 2016-09-30 13F WILLIAMS COS INC DEL COM 969457100 2,673,592 -46,626 -1.71 82,160 39.64 0.0490
2016-08-12 2016-06-30 13F WILLIAMS COS INC DEL COM 969457100 2,720,218 -1,617,468 -37.29 58,839 -15.59 0.0370
2016-05-12 2016-03-31 13F WILLIAMS COS INC DEL COM 969457100 4,337,686 387,626 9.81 69,707 -31.33 0.0467
2016-02-16 2015-12-31 13F WILLIAMS COS INC DEL COM 969457100 3,950,060 272,997 7.42 101,516 -25.08 0.0659
2015-11-13 2015-09-30 13F WILLIAMS COS INC DEL COM 969457100 3,677,063 778,951 26.88 135,500 -18.53 0.0959
2015-08-14 2015-06-30 13F WILLIAMS COS INC DEL COM 969457100 2,898,112 -278,020 -8.75 166,322 3.51 0.1105
2015-05-14 2015-03-31 13F WILLIAMS COS INC DEL COM 969457100 3,176,132 -229,142 -6.73 160,680 5.00 0.1109
2015-02-17 2014-12-31 13F WILLIAMS COS INC DEL COM 969457100 3,405,274 3,405,274 153,033 0.1070
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-05 2026-03-31 13F WILLIAMS COS COM Call 265,200 191.75 19,301 253.30 n/a n/a n/a
2026-01-29 2025-12-31 13F WILLIAMS COS COM Call 90,900 -67.30 5,464 -68.98 n/a n/a n/a
2025-11-13 2025-09-30 13F WILLIAMS COS COM Call 278,000 35.28 17,611 36.45 n/a n/a n/a
2025-08-14 2025-06-30 13F WILLIAMS COS COM Call 205,500 -66.14 12,907 -64.42 n/a n/a n/a
2025-05-13 2025-03-31 13F WILLIAMS COS COM Call 607,000 -12.44 36,274 -3.31 n/a n/a n/a
2025-02-14 2024-12-31 13F WILLIAMS COS COM Call 693,200 -63.86 37,516 -57.15 n/a n/a n/a
2024-11-14 2024-09-30 13F WILLIAMS COS COM Call 1,917,900 -16.17 87,552 -9.96 n/a n/a n/a
2024-08-14 2024-06-30 13F WILLIAMS COS COM Call 2,287,900 22.20 97,236 33.27 n/a n/a n/a
2024-05-13 2024-03-31 13F WILLIAMS COS COM Call 1,872,300 -20.37 72,964 -10.90 n/a n/a n/a
2024-02-09 2023-12-31 13F WILLIAMS COS COM Call 2,351,200 12.57 81,892 16.38 n/a n/a n/a
2023-11-09 2023-09-30 13F WILLIAMS COS COM Call 2,088,700 14.97 70,368 18.71 n/a n/a n/a
2023-08-11 2023-06-30 13F WILLIAMS COS COM Call 1,816,700 -18.37 59,279 -10.79 n/a n/a n/a
2023-05-12 2023-03-31 13F WILLIAMS COS COM Call 2,225,400 51.60 66,450 37.60 n/a n/a n/a
2023-02-08 2022-12-31 13F WILLIAMS COS COM Call 1,467,900 34.88 48,294 54.99 n/a n/a n/a
2022-11-10 2022-09-30 13F WILLIAMS COS COM Call 1,088,300 -3.94 31,158 -11.88 n/a n/a n/a
2022-08-10 2022-06-30 13F WILLIAMS COS COM Call 1,132,900 -17.11 35,358 -22.57 n/a n/a n/a
2022-05-16 2022-03-31 13F WILLIAMS COS COM Call 1,366,800 200.26 45,665 285.26 n/a n/a n/a
2022-02-14 2021-12-31 13F WILLIAMS COS COM Call 455,200 234.46 11,853 235.78 n/a n/a n/a
2021-11-15 2021-09-30 13F WILLIAMS COS COM Call 136,100 3,530 n/a n/a n/a
2020-11-12 2020-09-30 13F WILLIAMS COS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-07-31 2020-06-30 13F WILLIAMS COS COM Call 132,700 28.83 2,524 73.23 n/a n/a n/a
2020-05-01 2020-03-31 13F WILLIAMS COS COM Call 103,000 758.33 1,457 411.23 n/a n/a n/a
2020-02-14 2019-12-31 13F WILLIAMS COS INC DEL COM Call 12,000 -89.04 285 -89.18 n/a n/a n/a
2019-11-14 2019-09-30 13F WILLIAMS COS INC DEL COM Call 109,500 -15.57 2,635 -27.55 n/a n/a n/a
2019-08-14 2019-06-30 13F WILLIAMS COS INC DEL COM Call 129,700 523.56 3,637 509.21 n/a n/a n/a
2019-05-14 2019-03-31 13F WILLIAMS COS INC DEL COM Call 20,800 -79.20 597 -72.93 n/a n/a n/a
2019-02-14 2018-12-31 13F WILLIAMS COS INC DEL COM Call 100,000 380.77 2,205 269.35 n/a n/a n/a
2018-08-14 2018-06-30 13F WILLIAMS COS INC DEL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2018-05-15 2018-03-31 13F WILLIAMS COS INC DEL COM Call 51,900 -35.12 1,290 -47.11 n/a n/a n/a
2018-02-14 2017-12-31 13F WILLIAMS COS INC DEL COM Call 80,000 0.00 2,439 1.58 n/a n/a n/a
2017-11-14 2017-09-30 13F WILLIAMS COS INC DEL COM Call 80,000 39,900.00 2,401 39,916.67 n/a n/a n/a
2017-11-14 2017-06-30 13F/A WILLIAMS COS INC DEL COM Call 200 0.00 6 0.00 n/a n/a n/a
2017-08-14 2017-06-30 13F WILLIAMS COS INC DEL COM Call 200 6 n/a n/a n/a
2017-11-14 2017-03-31 13F/A WILLIAMS COS INC DEL COM Call 200 -99.99 6 -99.99 n/a n/a n/a
2017-05-12 2017-03-31 13F WILLIAMS COS INC DEL COM Call 200 6 n/a n/a n/a
2017-02-14 2016-12-31 13F WILLIAMS COS INC DEL COM Call 1,500,200 29,904.00 46,716 30,235.06 n/a n/a n/a
2016-11-14 2016-09-30 13F WILLIAMS COS INC DEL COM Call 5,000 -99.67 154 -99.67 n/a n/a n/a
2016-05-12 2016-03-31 13F WILLIAMS COS INC DEL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-02-16 2015-12-31 13F WILLIAMS COS INC DEL COM Call 3,432,200 -26.79 88,208 -48.94 n/a n/a n/a
2015-11-13 2015-09-30 13F WILLIAMS COS INC DEL COM Call 4,687,900 -15.87 172,749 -45.98 n/a n/a n/a
2015-08-14 2015-06-30 13F WILLIAMS COS INC DEL COM Call 5,572,500 -17.26 319,806 -6.14 n/a n/a n/a
2015-05-14 2015-03-31 13F WILLIAMS COS INC DEL COM Call 6,735,200 -16.76 340,734 -6.30 n/a n/a n/a
2015-02-17 2014-12-31 13F WILLIAMS COS INC DEL COM Call 8,091,400 363,628 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-05 2026-03-31 13F WILLIAMS COS COM Put 235,300 -5.46 17,125 14.46 n/a n/a n/a
2026-01-29 2025-12-31 13F WILLIAMS COS COM Put 248,900 -1.19 14,961 -6.24 n/a n/a n/a
2025-11-13 2025-09-30 13F WILLIAMS COS COM Put 251,900 -10.07 15,958 -9.30 n/a n/a n/a
2025-08-14 2025-06-30 13F WILLIAMS COS COM Put 280,100 -65.95 17,593 -64.22 n/a n/a n/a
2025-05-13 2025-03-31 13F WILLIAMS COS COM Put 822,700 -64.54 49,165 -60.85 n/a n/a n/a
2025-02-14 2024-12-31 13F WILLIAMS COS COM Put 2,320,300 19.81 125,575 42.04 n/a n/a n/a
2024-11-14 2024-09-30 13F WILLIAMS COS COM Put 1,936,600 4.42 88,406 12.15 n/a n/a n/a
2024-08-14 2024-06-30 13F WILLIAMS COS COM Put 1,854,700 -3.24 78,825 5.52 n/a n/a n/a
2024-05-13 2024-03-31 13F WILLIAMS COS COM Put 1,916,900 -38.21 74,702 -30.87 n/a n/a n/a
2024-02-09 2023-12-31 13F WILLIAMS COS COM Put 3,102,300 15.94 108,053 19.86 n/a n/a n/a
2023-11-09 2023-09-30 13F WILLIAMS COS COM Put 2,675,800 11.30 90,148 14.92 n/a n/a n/a
2023-08-11 2023-06-30 13F WILLIAMS COS COM Put 2,404,100 -6.05 78,446 2.66 n/a n/a n/a
2023-05-12 2023-03-31 13F WILLIAMS COS COM Put 2,559,000 -16.78 76,412 -24.47 n/a n/a n/a
2023-02-08 2022-12-31 13F WILLIAMS COS COM Put 3,074,800 20.55 101,161 38.52 n/a n/a n/a
2022-11-10 2022-09-30 13F WILLIAMS COS COM Put 2,550,700 0.21 73,027 -8.07 n/a n/a n/a
2022-08-10 2022-06-30 13F WILLIAMS COS COM Put 2,545,300 -23.55 79,439 -28.58 n/a n/a n/a
2022-05-16 2022-03-31 13F WILLIAMS COS COM Put 3,329,200 128.40 111,228 193.04 n/a n/a n/a
2022-02-14 2021-12-31 13F WILLIAMS COS COM Put 1,457,600 247.21 37,956 248.54 n/a n/a n/a
2021-11-15 2021-09-30 13F WILLIAMS COS COM Put 419,800 4.12 10,890 1.73 n/a n/a n/a
2021-08-13 2021-06-30 13F WILLIAMS COS COM Put 403,200 0.42 10,705 12.54 n/a n/a n/a
2021-05-12 2021-03-31 13F WILLIAMS COS COM Put 401,500 0.38 9,512 18.60 n/a n/a n/a
2021-02-11 2020-12-31 13F WILLIAMS COS COM Put 400,000 0.00 8,020 2.04 n/a n/a n/a
2020-11-12 2020-09-30 13F WILLIAMS COS COM Put 400,000 0.00 7,860 -2.00 n/a n/a n/a
2020-02-14 2019-12-31 13F WILLIAMS COS INC DEL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2019-11-14 2019-09-30 13F WILLIAMS COS INC DEL COM Put 32,900 0.00 792 -14.19 n/a n/a n/a
2019-08-14 2019-06-30 13F WILLIAMS COS INC DEL COM Put 32,900 0.00 923 16.54 n/a n/a n/a
2019-05-14 2019-03-31 13F WILLIAMS COS INC DEL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2019-02-14 2018-12-31 13F WILLIAMS COS INC DEL COM Put 100,000 2,205 n/a n/a n/a
2018-08-14 2018-06-30 13F WILLIAMS COS INC DEL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2018-05-15 2018-03-31 13F WILLIAMS COS INC DEL COM Put 237,000 5,892 n/a n/a n/a
2017-11-14 2017-09-30 13F WILLIAMS COS INC DEL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2017-11-14 2017-06-30 13F/A WILLIAMS COS INC DEL COM Put 18,000 0.00 545 2.25 n/a n/a n/a
2017-08-14 2017-06-30 13F WILLIAMS COS INC DEL COM Put 18,000 545 n/a n/a n/a
2017-11-14 2017-03-31 13F/A WILLIAMS COS INC DEL COM Put 18,000 -98.80 533 -98.86 n/a n/a n/a
2017-05-12 2017-03-31 13F WILLIAMS COS INC DEL COM Put 18,000 533 n/a n/a n/a
2017-02-14 2016-12-31 13F WILLIAMS COS INC DEL COM Put 1,500,000 2,900.00 46,710 2,939.04 n/a n/a n/a
2016-11-14 2016-09-30 13F WILLIAMS COS INC DEL COM Put 50,000 -96.67 1,537 -96.71 n/a n/a n/a
2016-05-12 2016-03-31 13F WILLIAMS COS INC DEL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2016-02-16 2015-12-31 13F WILLIAMS COS INC DEL COM Put 812,300 -32.62 20,876 -53.01 n/a n/a n/a
2015-11-13 2015-09-30 13F WILLIAMS COS INC DEL COM Put 1,205,600 -7.20 44,426 -40.41 n/a n/a n/a
2015-08-14 2015-06-30 13F WILLIAMS COS INC DEL COM Put 1,299,100 -8.87 74,555 3.38 n/a n/a n/a
2015-05-14 2015-03-31 13F WILLIAMS COS INC DEL COM Put 1,425,500 -20.04 72,116 -9.98 n/a n/a n/a
2015-02-17 2014-12-31 13F WILLIAMS COS INC DEL COM Put 1,782,700 80,115 n/a n/a n/a
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.