Cosine Energy Prime, LP is a hedge fund based in San Francisco, California. According to its most recent Form D, filed Nov 4, 2025, the fund has sold $2,000,000 of interests to 1 investor since its first sale in Feb 2025. The minimum investment it accepts from an outside investor is $100,000. 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, HedgeMountain classifies it as an emerging manager. Related persons named in the filing include Gregory Piesco-Putnam; Spencer Kuzmier; Cosine Energy Prime GP, LLC.
- Total raised
- $2,000,000Cumulative sales reported on Form D
- Investors
- 1
- First sale
- Feb 1, 2025
- Minimum investment
- $100,000
- 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
- Gregory Piesco-Putnam; Spencer Kuzmier; Cosine Energy Prime GP, LLC
- Latest Form D
- Nov 4, 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 HedgeMountain 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
Size compared with every hedge fund
Raised more than 21% of the 1,051 hedge funds based in California, and more than 8% of all 10,157 that report sales.