AltMountain

OFP Environmental Master Fund LP

New York, NY · CIK 2011245 · Managed by Old Farm Partners LP
Emerging

OFP Environmental Master Fund LP is a private investment fund based in New York, New York. According to its most recent Form D, filed May 6, 2025, it has sold $44,200,000 of interests to 11 investors since its first sale in Feb 2024. The filing does not set a minimum investment. It relies on the Section 3(c)(1) exclusion, which limits it to 100 beneficial owners, typically accredited investors. The offering uses Rule 506(b), which does not permit general solicitation. Based on its first sale date and the amount raised, AltMountain classifies it as an emerging manager. Related persons named in the filing include Old Farm Partners LP; Kieran Cavanna; Old Farm Partners GP LLC.

Total raised
$44,200,000Cumulative sales reported on Form D
Investors
11
First sale
Feb 1, 2024
Minimum investment
None set
Who can invest
Accredited investorsSection 3(c)(1): up to 100 beneficial owners
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Old Farm Partners LP; Kieran Cavanna; Old Farm Partners GP LLC
Latest Form D
May 6, 2025

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. Returns are not part of SEC filings. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about OFP Environmental Master Fund LP

What is the minimum investment for OFP Environmental Master Fund LP?

OFP Environmental Master Fund LP's latest Form D, filed May 6, 2025, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in OFP Environmental Master Fund LP?

OFP Environmental Master Fund LP is generally open only to accredited investors, and it may have no more than 100 beneficial owners because it relies on Section 3(c)(1). It uses Rule 506(b), which does not allow general advertising.

How much has OFP Environmental Master Fund LP raised?

OFP Environmental Master Fund LP reports $44,200,000 sold from 11 investors on its Form D filed May 6, 2025. This is cumulative sales since the offering began, not current assets or performance.

Where is OFP Environmental Master Fund LP based?

OFP Environmental Master Fund LP is based in New York, New York and is managed by Old Farm Partners LP.

When did OFP Environmental Master Fund LP launch?

OFP Environmental Master Fund LP reports its first sale in Feb 2024, which makes it an emerging manager by AltMountain's definition (first sale in 2021 or later and under $50 million raised).

Size compared with every private investment fund

Raised more than 62% of the 2,847 private investment funds based in New York, and more than 60% of all 10,333 that report sales.

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