Great Mountain Partners LLC reported 1 positions worth $3.21M for the quarter ended Sep 30, 2026, down 65.5% on the prior quarter. It opened 0 new positions, added to 0, trimmed 1 and exited 0. Its largest holding is New Fortress Energy Inc. at 100% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
No positions were added to this quarter.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| NFE New Fortress Energy Inc. | -1 | 0.0% | $5.77 | 100% |
No new positions this quarter.
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | NFE New Fortress Energy Inc. | Energy | 511.2K | $3.21M | 100% | -1 | 0.0% | Reduced | 8.95% |
Tip. Select a row to see that position’s full history at Great Mountain Partners.
As of its Q3 2026 13F filing, Great Mountain Partners LLC’s five largest positions were New Fortress Energy Inc. (NFE) at 100.0% of the reported portfolio.
Great Mountain Partners LLC reported a 13F portfolio worth $3.21M across 1 positions for Q3 2026. That is down 65.5% from the previous quarter.
Its largest sales by value were New Fortress Energy Inc. ($5.77). It exited 0 positions entirely.
From the Form 13F-HR reports Great Mountain Partners LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.