Great Mountain Partners LLC

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 12, 2024), Great Mountain Partners LLC reported 2 stock positions worth $572.0 million. Its top holding was Ftai Aviation (FTAI) at 59.4% of the portfolio, followed by New Fortress Energy (NFE, 40.6%). Its holdings were unchanged from Q2 2024.

Most Recent 13F
Q2 2026
Location
NEW HAVEN, CT
CIK
0001815467
Portfolio Value
$572.0M (Q3 2024)
SEC Filing
0001104659-24-116694 ↗ filed Nov 12, 2024

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 $572.0M Q3 2024 Q4 2024: $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 · $572.0M
FTAI Ftai Aviation Ltd. 59.38% 2,555,523 $339.6M No change
NFE New Fortress Energy Inc. 40.62% 25,559,846 $232.3M No change

Portfolio Sells Q2 2024 → Q3 2024
None this quarter.

Portfolio Buys Q2 2024 → Q3 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