The Williams Companies, Inc.
The Williams Companies, Inc. (WMB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · WMB · as of Sep 30, 2025
Ownership Breakdown
1,666
Institutional Holders
▼ 28 vs Q2
$66.25B
Total Inst. Value
▼ $740.33M vs Q2
1.22B
Shares Outstanding
freeFloat 99.43%
1.05B
13F Shares Held
▼ 22.38M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
WMB largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC natural gas transmission | 133.08M | 10.89% | 10.89% | $8.43T | Nov 7, 2025 | ▲ 4.8K |
BLACKROCK, INC. natural gas transmission | 108.74M | 8.90% | 8.90% | $6.89T | Nov 12, 2025 | ▲ 3.01M |
STATE STREET CORP natural gas transmission | 66.68M | 5.46% | 5.46% | $4.22T | Nov 14, 2025 | ▼ 1.23M |
WELLINGTON MANAGEMENT GROUP LLP natural gas transmission | 48.59M | 3.98% | 3.98% | $3.08T | Nov 14, 2025 | ▲ 6.67M |
BANK OF AMERICA CORP /DE/ natural gas transmission | 43.92M | 3.60% | 3.60% | $2.78T | Feb 3, 2026 | ▼ 572.6K |
MORGAN STANLEY natural gas transmission | 30.26M | 2.48% | 2.48% | $1.92T | May 27, 2026 | ▲ 1.09M |
GEODE CAPITAL MANAGEMENT, LLC natural gas transmission | 29.15M | 2.39% | 2.39% | $1.85T | Nov 12, 2025 | ▲ 683.8K |
JPMORGAN CHASE & CO natural gas transmission | 23.92M | 1.96% | 1.96% | $1.52T | Nov 26, 2025 | ▲ 1.36M |
DEUTSCHE BANK AG\ natural gas transmission | 19.80M | 1.62% | 1.62% | $1.25T | Nov 13, 2025 | ▲ 1.38M |
BLACKSTONE INC. natural gas transmission | 19.61M | 1.61% | 1.61% | $1.24T | Nov 14, 2025 | ▲ 319.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
26
Increased
+30.67M shares0
New Positions
first time holders24
Decreased
−19.72M shares0
Sold Out
fully exitedNet shares change (top 50)
+10.95M
+30.67M / −19.72M
Net new holders
+2
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
WMB insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
1
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Wilson Terrance Lane SVP & General Counsel | Jun 1, 2026 | Sale | 2,000 | $71.30 | $142.6K | 285.2K | Form 4 ↗ |
BERGSTROM STEPHEN W director | May 19, 2026 | Gift | 16,400 | — | — | 198.6K | Form 4 ↗ |
Jasek Glen G. Senior Vice President | May 15, 2026 | Sale | 836 | $78.13 | $65.3K | 54.1K | Form 4 ↗ |
Jasek Glen G. Senior Vice President | May 15, 2026 | Sale | 1,664 | $78.17 | $130.1K | 54.1K | Form 4 ↗ |
Larsen Larry C Executive Vice President & COO | May 14, 2026 | Sale | 12,000 | $76.48 | $917.8K | 98.2K | Form 4 ↗ |
Porter John Dean EVP & CFO | May 6, 2026 | Sale | 50,000 | $75.37 | $3.77M | 196.6K | Form 4 ↗ |
Wilson Terrance Lane SVP & General Counsel | May 1, 2026 | Sale | 2,000 | $76.35 | $152.7K | 287.2K | Form 4 ↗ |
BERGSTROM STEPHEN W director | Apr 28, 2026 | Award | 10,355 | $73.04 | $756.3K | 215.0K | Form 4 ↗ |
ROBESON ROSE M director | Apr 28, 2026 | Award | 3,818 | $73.04 | $278.9K | 37.9K | Form 4 ↗ |
Muncrief Richard E director | Apr 28, 2026 | Award | 3,415 | $73.04 | $249.4K | 24.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
The Williams Companies, Inc. (WMB) is primarily owned by institutional investors, who hold approximately 85.5% of total shares outstanding. Company insiders own approximately 0.57%, while retail and public investors account for the remaining 13.97%.
The largest institutional shareholder of The Williams Companies, Inc. is VANGUARD GROUP INC, holding approximately 133.08 million shares — equal to 10.89% of outstanding shares — as of September 30, 2025.
A total of 1,666 institutional investors currently hold WMB stock, with a combined institutional value of approximately $66.25 billion as of the most recent 13F filing period.
Frequently asked questions
WMB ownershipThe Williams Companies, Inc. (WMB) is primarily owned by institutional investors, who hold approximately 85.5% of shares. The largest shareholder is VANGUARD GROUP INC with a 10.89% stake. Company insiders hold 0.57%. Data sourced from SEC Form 13F as of September 30, 2025.