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Of the 15 tracked institutions holding WMB, 9 have a 3-year clone track record — 7 of them beat the S&P. Average holder's clone alpha: +2.4pt. It's a gauge of who owns the name, not just how many.
Among the 15 tracked institutional investors we monitor, WMB (WILLIAMS COS INC) is held with a combined value of $25.43B across 372,736,547 shares. The largest holder is BlackRock, Inc. with a position worth $8.14B (0.14% of their portfolio). AKO CAPITAL LLP opened a new position in the most recent quarter. 8 funds increased their holdings. 6 funds reduced their position.
Total Institutional Value
$25.43B
Total Shares Held
372,736,547
Institutional Holders
15
% of Shares Outstanding
30.5%
of 1.22B shares · SEC 2026-04-30
Days to Cover
3.2-16.6%
20.46M shares short · FINRA 2026-07-15
Tracked 13F institutions hold 30.5% of WMB's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-04-30), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
0
$0
2
$290.92K
Total Transactions
2
Last 12 months
| Date | Insider | Code | Type | Shares | Value |
|---|---|---|---|---|---|
| Jul 1, 2026 | Terrance Lane Wilson | S | Sale | 2,000 | $148.32K |
| Jun 1, 2026 | Terrance Lane Wilson | S | Sale | 2,000 | $142.60K |
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $8.14B | 0.14% | +3.7% |
| 2 | VANGUARD GROUP INC | $8.05B | 0.12% | +0.7% |
| 3 | STATE STREET CORP | $5.31B | 0.18% | +7.4% |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | $1.68B | 0.31% | -37.8% |
| 5 | PRICE T ROWE ASSOCIATES INC /MD/ | $1.16B | 0.13% | -7.1% |
| 6 | FMR LLC | $326.61M | 0.02% | +8.6% |
| 7 | Point72 Asset Management, L.P. | $176.02M | 0.31% | -42.6% |
| 8 | CITADEL ADVISORS LLC | $171.70M | 0.12% | +61.0% |
| 9 | MILLENNIUM MANAGEMENT LLC | $152.09M | 0.06% | -9.7% |
| 10 | AKO CAPITAL LLP | $129.25M | 2.53% | New |
| Member | Type | Date |
|---|---|---|
| Alan Armstrong | Sell | Jun 24, 2026 |
| Alan Armstrong | Sell | Jun 22, 2026 |
| Gilbert Cisneros | Buy | Feb 10, 2026 |
| Ritchie John Torres | Sell |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of WMB with a position worth $8.14B, representing 0.14% of their portfolio. In total, 15 institutional investors hold WMB with a combined value of $25.43B.
In the most recent quarter, 1 fund opened a new position in WMB. Additionally, 8 increased their holdings and 6 reduced their positions.
Institutional investors hold $25.43B worth of WMB stock across 15 positions. The largest institutional holder is BlackRock, Inc. with $8.14B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For WMB, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their WMB positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| Jul 11, 2025 |
| Lisa McClain | Sell | Jul 10, 2025 |
| Jefferson Shreve | Sell | May 12, 2025 |
| Jonathan Jackson | Sell | Apr 23, 2025 |
| Dwight Evans | Sell | Apr 3, 2025 |
Showing 8 of 37. STOCK Act disclosures lag up to 45 days.
Last Close
$74.00
2026-07-24
YTD
+21.6%
76% of 52-week range
