Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in WMB held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 112.4M | $8.18B | +4.2% | 9.191% | 0.14% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 79.4M | $5.78B | — | 6.489% | 0.14% |
| 3 | STATE STREET CORP | 73.0M | $5.31B | +7.4% | 5.968% | 0.18% |
| 4 | BANK OF AMERICA CORP /DE/ | 44.5M | $3.24B | -3.5% | 3.635% | 0.24% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 43.3M | $3.15B | — | 3.538% | 0.17% |
| 6 | MORGAN STANLEY | 33.7M | $2.46B | +0.5% | 2.759% | 0.15% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 29.6M | $2.14B | +3.4% | 2.420% | 0.13% |
| 8 | Clearbridge Investments, LLC | 23.2M | $1.69B | +9.0% | 1.900% | 1.47% |
| 9 | WELLINGTON MANAGEMENT GROUP LLP | 23.1M | $1.68B | -37.8% | 1.887% | 0.31% |
| 10 | DEUTSCHE BANK AG\ | 19.0M | $1.38B | -5.3% | 1.551% | 0.46% |
| 11 | Invesco Ltd. | 18.1M | $1.32B | +22.8% | 1.478% | 0.20% |
| 12 | Blackstone Inc | 17.1M | $1.24B | -3.3% | 1.396% | 5.15% |
| 13 | NORTHERN TRUST CORP | 13.4M | $977.0M | -0.7% | 1.098% | 0.13% |
| 14 | ROYAL BANK OF CANADA | 12.1M | $882.7M | -9.7% | 0.992% | 0.15% |
| 15 | Amundi | 11.7M | $852.3M | +20.9% | 0.958% | 0.23% |
| 16 | Neuberger Berman Group LLC | 11.5M | $838.1M | -2.4% | 0.941% | 0.64% |
| 17 | TORTOISE CAPITAL ADVISORS, L.L.C. | 11.5M | $836.9M | +1.2% | 0.940% | 8.72% |
| 18 | GOLDMAN SACHS GROUP INC | 10.7M | $781.6M | +2.7% | 0.878% | 0.09% |
| 19 | UBS Group AG | 9.5M | $694.9M | -1.8% | 0.781% | 0.10% |
| 20 | Legal & General Group Plc | 9.2M | $671.6M | -7.5% | 0.754% | 0.16% |
| 21 | RAYMOND JAMES FINANCIAL INC | 9.1M | $662.6M | +0.1% | 0.745% | 0.20% |
| 22 | UBS ASSET MANAGEMENT AMERICAS INC | 8.9M | $649.3M | +0.0% | 0.730% | 0.13% |
| 23 | DIMENSIONAL FUND ADVISORS LP | 8.6M | $622.7M | -10.3% | 0.700% | 0.13% |
| 24 | Bank of New York Mellon Corp | 8.0M | $585.8M | +0.0% | 0.658% | 0.11% |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 7.6M | $554.3M | +2.4% | 0.623% | 0.08% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in WMB — a direct measure of their conviction.
Filings activity in WMB during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 1,773 | +7.6% | 81.79% | +12.13 pp | $72.10B | +17% |
| Q4 2025 | 1,648 | +4.9% | 69.66% | 2.79 pp | $61.40B | 3.9% |
| Q3 2025 | 1,571 | 1.9% | 72.45% | +0.04 pp | $63.87B | +0.0% |
| Q2 2025 | 1,602 | +4.8% | 72.41% | +4.27 pp | $63.84B | +6.3% |
| Q1 2025 | 1,529 | +4.7% | 68.14% | +7.26 pp | $60.07B | +12% |
| Q4 2024 | 1,461 | +12% | 60.88% | +8.49 pp | $53.67B | +16% |
| Q3 2024 | 1,307 | +2.7% | 52.39% | +2.53 pp | $46.18B | +5.1% |
| Q2 2024 | 1,273 | — | 49.86% | — | $43.96B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying WMB stock.
Based on Q1 2026 13F filings, institutional ownership of The Williams Companies, Inc. stands at 81.8%, held across 1,773 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of WMB, with approximately 112,406,876 shares worth $8.18B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of WMB.
Our composite Smart Money Score for WMB is 60 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
270 institutions opened new positions in WMB during Q1 2026, while 145 fully exited. 1,338 added to existing positions and 157 trimmed.
WMB institutional ownership rose by 12.13 percentage points quarter-over-quarter, with a net change of +125 holders.
The top 10 institutions account for 48.6% of all reported 13F value in WMB, and the top 25 account for 65.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
The Williams Companies, Inc. (WMB) Institutional Ownership