Great Mountain Partners LLC
Long book
$15.1M
Q1 2026
Positions
1
Top-10 weight
100%
concentration
Last quarter
-39.0%
SPY +14.8%
Turnover
0%
of book per quarter
Strategy in plain words
auto-generated from filingsGreat Mountain Partners LLC is a diversified fundamental manager, specialised in utilities (100% of the long book), running a $15.1M US long book across 1 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: NEW FORTRESS ENERGY INC.
Over the last 9 quarters its long book ran on average 36.1pp per quarter behind the S&P 500, beating the index in 1 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-13.1%
Q2 2024
-30.3%
Q3 2024
+32.0%
Q4 2024
-44.1%
Q1 2025
-60.0%
Q2 2025
-33.4%
Q3 2025
-48.4%
Q4 2025
-48.2%
Q1 2026
-39.0%
Sector allocation
Utilities 100%
Long book by quarter
What does Great Mountain own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NFE NEW FORTRESS ENERGY INC | Utilities | 25.6M | $15.1M | 100.0% | Held |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 13, 2026 | 1 | $15.1M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 9, 2026 | 1 | $29.1M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 13, 2025 | 1 | $56.5M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 11, 2025 | 1 | $84.9M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 24, 2025 | 1 | $212.4M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 2 | $403.9M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 12, 2024 | 2 | $572.0M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 12, 2024 | 2 | $825.6M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 2 | $953.9M | canonical | SEC ↗ |
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