1818 Partners LP is a hedge fund based in New York, New York. According to its most recent Form D, filed Apr 28, 2026, the fund has sold $830,176,307 of interests to 574 investors since its first sale in Feb 2001. The minimum investment it accepts from an outside investor is $15,000. 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 Daniel Greifenkamp; Brown Brothers Harriman & Co.
Performance
No verified returns have been reported for this fund. Hedge fund returns are not part of SEC filings; managers report them to AltMountain directly.
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- Total raised
- $830,176,307Cumulative sales reported on Form D
- Investors
- 574
- First sale
- Feb 14, 2001
- Minimum investment
- $15,000
- Who can invest
- Qualified purchasersSection 3(c)(7): generally $5M+ in investments
- Offering exemption
- Rule 506(b)No general advertising
- Key people and entities
- Daniel Greifenkamp; Brown Brothers Harriman & Co
- Latest Form D
- Apr 28, 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 1818 Partners LP
What is the minimum investment for 1818 Partners LP?
According to its latest Form D, filed Apr 28, 2026, the minimum investment 1818 Partners LP accepts from an outside investor is $15,000.
Who can invest in 1818 Partners LP?
1818 Partners 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 1818 Partners LP raised?
1818 Partners LP reports $830,176,307 sold from 574 investors on its Form D filed Apr 28, 2026. This is cumulative sales since the offering began, not current assets or performance.
Where is 1818 Partners LP based?
1818 Partners LP is based in New York, New York.
When did 1818 Partners LP launch?
1818 Partners LP reports its first sale in Feb 2001.
Size compared with every hedge fund
Raised more than 85% of the 2,544 hedge funds based in New York, and more than 88% of all 10,308 that report sales.
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