Great Mountain Partners LLC

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 14, 2025), Great Mountain Partners LLC reported 2 stock positions worth $403.9 million. Its top holding was New Fortress Energy (NFE) at 95.7% of the portfolio, followed by Ftai Aviation (FTAI, 4.3%). Compared with Q3 2024, it reduced 1. The biggest sale was Ftai Aviation (FTAI, shares −95%).

Most Recent 13F
Q2 2026
Location
NEW HAVEN, CT
CIK
0001815467
Portfolio Value
$403.9M (Q4 2024)
SEC Filing
0001104659-25-013835 ↗ filed Feb 14, 2025

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $953.9M Q1 2024 Q2 2024: $825.6M Q2 2024 Q3 2024: $572.0M Q3 2024 Q4 2024: $403.9M $403.9M Q4 2024 Q1 2025: $212.4M Q1 2025 Q2 2025: $84.9M Q2 2025 Q3 2025: $56.5M Q3 2025 Q4 2025: $29.1M Q4 2025 Q1 2026: $15.1M Q1 2026 Q2 2026: $9.3M Q2 2026

Holdings 2 stocks · $403.9M
NFE New Fortress Energy Inc. 95.68% 25,559,846 $386.5M No change
FTAI Ftai Aviation Ltd. 4.32% 121,253 $17.5M Reduce -95.3%

Portfolio Sells Q3 2024 → Q4 2024
FTAI Ftai Aviation Ltd. Reduce -95.3% 4.32% −55.06

Portfolio Buys Q3 2024 → Q4 2024
None this quarter.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 1$9.3MNFE
Q1 2026 1$15.1MNFE
Q4 2025 1$29.1MNFE
Q3 2025 1$56.5MNFE
Q2 2025 1$84.9MNFE
Q1 2025 1$212.4MNFE
Q4 2024 2$403.9MNFE, FTAI
Q3 2024 2$572.0MFTAI, NFE
Q2 2024 2$825.6MNFE, FTAI
Q1 2024 2$953.9MNFE, FTAI