Octahedron Long Only Onshore Fund, L.P.
Octahedron Long Only Onshore Fund, L.P. is a hedge fund based in Burlingame, California. According to its most recent Form D, filed Jan 2, 2026, the fund has sold $36,323,166 of interests to 23 investors since its first sale in Mar 2022. 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. Based on its first sale date and the amount raised, AltMountain classifies it as an emerging manager. Related persons named in the filing include Rajaraman Parameswaran; Octahedron Capital Management, L.P; Octahedron Long Only Fund GP, LLC.
Performance
No verified returns have been reported for this fund. As a rough guide, Octahedron Capital Management, L.P., which manages it, disclosed U.S. stock holdings that returned an estimated +21.6% 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 +98.5% (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.
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- Total raised
- $36,323,166Cumulative sales reported on Form D
- Investors
- 23
- First sale
- Mar 1, 2022
- 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
- Rajaraman Parameswaran; Octahedron Capital Management, L.P; Octahedron Long Only Fund GP, LLC
- Latest Form D
- Jan 2, 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 Octahedron Long Only Onshore Fund, L.P.
What is the minimum investment for Octahedron Long Only Onshore Fund, L.P.?
Octahedron Long Only Onshore Fund, L.P.'s latest Form D, filed Jan 2, 2026, does not set a minimum investment. Managers can still require one in the offering documents.
Who can invest in Octahedron Long Only Onshore Fund, L.P.?
Octahedron Long Only Onshore Fund, L.P. 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 Octahedron Long Only Onshore Fund, L.P. raised?
Octahedron Long Only Onshore Fund, L.P. reports $36,323,166 sold from 23 investors on its Form D filed Jan 2, 2026. This is cumulative sales since the offering began, not current assets or performance.
Where is Octahedron Long Only Onshore Fund, L.P. based?
Octahedron Long Only Onshore Fund, L.P. is based in Burlingame, California and is managed by Octahedron Capital Management, L.P..
When did Octahedron Long Only Onshore Fund, L.P. launch?
Octahedron Long Only Onshore Fund, L.P. reports its first sale in Mar 2022, 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 hedge fund
Raised more than 52% of the 1,060 hedge funds based in California, and more than 40% of all 10,307 that report sales.