The Williams Companies, Inc.
MX ˙ BMV ˙ US9694571004
SecurityMX:WMB / The Williams Companies, Inc.
InstitutionPortside Wealth Group, LLC
Latest Disclosed Ownership24,614 shares
Latest Disclosed Value $ 1,791,393
Portside Wealth Group, LLC reports 7.78% decrease in ownership of WMB / The Williams Companies, Inc.

On May 12, 2026 - Portside Wealth Group, LLC filed a 13F-HR form disclosing ownership of 24,614 shares of The Williams Companies, Inc. (MX:WMB) valued at $1,791,393 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 21, 2026 disclosing 26,690 shares of The Williams Companies, Inc.. This represents a change in shares of -7.78% 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)
2026-05-12 2026-03-31 13F WILLIAMS COS COM 969457100 24,614 -2,076 -7.78 1,791 11.66 0.1649
2026-01-21 2025-12-31 13F WILLIAMS COS COM 969457100 26,690 4,648 21.09 1,604 14.90 0.2157
2025-11-05 2025-09-30 13F WILLIAMS COS COM 969457100 22,042 2,303 11.67 1,396 12.67 0.1924
2025-08-11 2025-06-30 13F WILLIAMS COS COM 969457100 19,739 -1,946 -8.97 1,240 -4.32 0.1836
2025-04-14 2025-03-31 13F/A-1 WILLIAMS COS COM 969457100 21,685 528 2.50 1,296 13.10 0.2113
2025-04-10 2025-03-31 13F WILLIAMS COS COM 969457100 21,157 0 1,145 0.1715
2025-04-14 2024-12-31 13F/A-1 WILLIAMS COS COM 969457100 21,157 -3,702 -14.89 1,145 0.97 0.1893
2025-01-15 2024-12-31 13F WILLIAMS COS COM 969457100 24,678 -181 1,127 0.1948
2024-10-31 2024-09-30 13F WILLIAMS COS COM 969457100 24,859 -3,947 -13.70 1,135 -7.35 0.1938
2024-07-18 2024-06-30 13F WILLIAMS COS COM 969457100 28,806 -1,375 -4.56 1,224 4.08 0.2335
2024-04-17 2024-03-31 13F WILLIAMS COS COM 969457100 30,181 1,394 4.84 1,176 17.37 0.2176
2024-01-16 2023-12-31 13F WILLIAMS COS COM 969457100 28,787 -4,142 -12.58 1,003 -9.73 0.1868
2023-10-27 2023-09-30 13F WILLIAMS COS COM 969457100 32,929 240 0.73 1,110 4.13 0.2088
2023-09-01 2023-06-30 13F/A-1 WILLIAMS COS COM 969457100 32,689 32,689 1,067 0.1980
2023-08-01 2023-06-30 13F WILLIAMS COS COM 969457100 1,150,170 1,150,170 37,530 0.1618
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.