Ownership history in Ecofin Advisors Ltd · 57 quarters on record
This page tracks every 13F SEC filing in which Ecofin Advisors Ltd reported a position in WILLIAMS COS INC (UN*):WILLIAMS COS IN-CFD CFD (WMB). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2020 Q4 | REDUCED | 180,263 | -104,210 | -36.6% | 1.51% | $3.6M | $15.56 |
| 2020 Q3 | ADDED | 284,473 | +2,089 | +0.7% | 2.70% | $5.6M | $14.98 |
| 2020 Q2 | ADDED | 282,384 | +727 | +0.3% | 2.94% | $5.4M | $14.22 |
| 2020 Q1 | ADDED | 281,657 | +63,703 | +29.2% | 2.72% | $4.0M | $10.37 |
| 2019 Q4 | ADDED | 217,954 | +29,616 | +15.7% | 2.47% | $5.2M | $16.95 |
| 2019 Q3 | ADDED | 188,338 | +4,443 | +2.4% | 2.05% | $4.5M | $16.91 |
| 2019 Q2 | REDUCED | 183,895 | -20,433 | -10.0% | 2.57% | $5.2M | $19.41 |
| 2019 Q1 | REDUCED | 204,328 | -53,662 | -20.8% | 4.05% | $5.9M | $19.61 |
| 2018 Q4 | ADDED | 257,990 | +23,454 | +10.0% | 3.84% | $5.7M | $14.85 |
| 2018 Q3 | UNCHANGED | 234,536 | — | 0% | 4.20% | $6.4M | $18.05 |
As of 2025 Q4 — sorted by position size