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13F holdings · Q2 2026

Great Mountain Partners

New Haven, CT · files as Great Mountain Partners LLC
Holdings as of Jun 30, 2026Filed Aug 6, 2026Next filing due Nov 16, 2026CIK 1815467

Great Mountain Partners reported 1 stock worth $9.3M in its 13F filing for Q2 2026, filed Aug 6, 2026. Its largest holdings are New Fortress Energy Inc (100.0%).

Reported value$9.3M−38.5% vs last quarter
Stocks held10 new · 0 sold out
Top 5 weight100.0%very concentrated
Turnover0%of the portfolio changed
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Holdings

#StockValueWeightSharesChangeShares, 8 qtrsHeld
1
NEW FORTRESS ENERGY INC
$9.3M100.0%25.6MNo change8 of 8

Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.

Reported value

last 8 quarters
$572MQ3 '24
$404MQ4 '24
$212MQ1 '25
$84.9MQ2 '25
$56.5MQ3 '25
$29.1MQ4 '25
$15.1MQ1 '26
$9.3MQ2 '26

The value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.

Filings for Q2 2026

straight from the SEC
FiledFormQuarter
Aug 6, 202613F-HRQ2 2026SEC filing ↗

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Great Mountain Partners 13F FAQ

What does Great Mountain Partners own?

Great Mountain Partners reported 1 stock worth $9.3M in its 13F filing for Q2 2026, filed Aug 6, 2026. Its largest holdings are New Fortress Energy Inc (100.0%). The table above lists every position in the filing (the top 10 without an account).

What did Great Mountain Partners buy and sell in Q2 2026?

Compared with Q1 2026: 0 new positions, 0 added to, 0 trimmed and 0 sold out.

When will Great Mountain Partners file its next 13F?

Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.

How much is Great Mountain Partners's portfolio worth?

The Q2 2026 filing reports $9.3M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.