Jam Partners, L.P.
Jam Partners, L.P. is a hedge fund based in New York, New York. According to its most recent Form D, filed Feb 5, 2026, the fund has sold $569,715,518 of interests to 144 investors since its first sale in Apr 1995. 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. Related persons named in the filing include JAM Managers L.L.C; Jacobs Asset Management L.L.C.
Performance
No verified returns have been reported for this fund. As a rough guide, Jacobs Asset Management, LLC, which manages it, disclosed U.S. stock holdings that returned an estimated +13.0% 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 +60.6% (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
- $569,715,518Cumulative sales reported on Form D
- Investors
- 144
- First sale
- Apr 10, 1995
- 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
- JAM Managers L.L.C; Jacobs Asset Management L.L.C
- Latest Form D
- Feb 5, 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 Jam Partners, L.P.
What is the minimum investment for Jam Partners, L.P.?
Jam Partners, L.P.'s latest Form D, filed Feb 5, 2026, does not set a minimum investment. Managers can still require one in the offering documents.
Who can invest in Jam Partners, L.P.?
Jam Partners, L.P. 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 Jam Partners, L.P. raised?
Jam Partners, L.P. reports $569,715,518 sold from 144 investors on its Form D filed Feb 5, 2026. This is cumulative sales since the offering began, not current assets or performance.
Where is Jam Partners, L.P. based?
Jam Partners, L.P. is based in New York, New York and is managed by Jacobs Asset Management, LLC.
When did Jam Partners, L.P. launch?
Jam Partners, L.P. reports its first sale in Apr 1995.
Size compared with every hedge fund
Raised more than 81% of the 2,544 hedge funds based in New York, and more than 83% of all 10,308 that report sales.