AltMountain

Greenhouse Cosmos Onshore Fund LP

Baltimore, MD · CIK 2051519 · Managed by Greenhouse Funds LLLP

Greenhouse Cosmos Onshore Fund LP is a hedge fund based in Baltimore, Maryland. According to its most recent Form D, filed Jan 9, 2026, the fund has sold $70,294,842 of interests to 5 investors since its first sale in Jan 2025. The filing does not set a minimum investment. It relies on the Section 3(c)(7) exclusion, so investors generally must be qualified purchasers. The offering uses Rule 506(b), which does not permit general solicitation. Related persons named in the filing include Greenhouse Funds LLLP; Greenhouse Fund GP LLC.

Performance

13F estimate · public data only

No verified returns have been reported for this fund. As a rough guide, Greenhouse Funds LLLP, which manages it, disclosed U.S. stock holdings that returned an estimated +4.0% 2026 YTD through Jun 30 (S&P 500: +9.5%), based only on its public 13F filings. Over a longer period, Q3 2024 to Q2 2026, the estimate is +38.3% (S&P 500: +37.2%).

This estimate covers the firm's whole disclosed long U.S. stock portfolio. It is not this fund's return and excludes dividends, fees, shorts, derivatives, bonds, cash and trading within each quarter.

Is this your fund? Report your monthly returns · How performance works

Total raised
$70,294,842Cumulative sales reported on Form D
Investors
5
First sale
Jan 1, 2025
Minimum investment
None set
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Greenhouse Funds LLLP; Greenhouse Fund GP LLC
Latest Form D
Jan 9, 2026

From SEC filings, not verified. This page republishes the fund's Form D as filed. It is not an offer, solicitation or recommendation, and AltMountain has not reviewed the fund. “Raised” is cumulative sales, not current assets or performance. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about Greenhouse Cosmos Onshore Fund LP

What is the minimum investment for Greenhouse Cosmos Onshore Fund LP?

Greenhouse Cosmos Onshore Fund LP's latest Form D, filed Jan 9, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Greenhouse Cosmos Onshore Fund LP?

Greenhouse Cosmos Onshore Fund LP is generally open only to qualified purchasers (generally individuals with at least $5 million in investments), because it relies on Section 3(c)(7). It uses Rule 506(b), which does not allow general advertising.

How much has Greenhouse Cosmos Onshore Fund LP raised?

Greenhouse Cosmos Onshore Fund LP reports $70,294,842 sold from 5 investors on its Form D filed Jan 9, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Greenhouse Cosmos Onshore Fund LP based?

Greenhouse Cosmos Onshore Fund LP is based in Baltimore, Maryland and is managed by Greenhouse Funds LLLP.

When did Greenhouse Cosmos Onshore Fund LP launch?

Greenhouse Cosmos Onshore Fund LP reports its first sale in Jan 2025.

Size compared with every hedge fund

Raised more than 60% of the 62 hedge funds based in Maryland, and more than 52% of all 10,308 that report sales.

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