AltMountain

North River Partners, L.P.

Boston, MA · CIK 1006871 · Managed by Wellington Management Company LLP

North River Partners, L.P. is a hedge fund based in Boston, Massachusetts. According to its most recent Form D, filed Feb 21, 2025, the fund has sold $989,483,569 of interests to 271 investors since its first sale in Jan 1996. 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. Related persons named in the filing include Wellington Management Investment, Inc; Wellington Management Company LLP; Wellington Alternative Investments LLC.

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
$989,483,569Cumulative sales reported on Form D
Investors
271
First sale
Jan 2, 1996
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
Wellington Management Investment, Inc; Wellington Management Company LLP; Wellington Alternative Investments LLC
Latest Form D
Feb 21, 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. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about North River Partners, L.P.

What is the minimum investment for North River Partners, L.P.?

North River Partners, L.P.'s latest Form D, filed Feb 21, 2025, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in North River Partners, L.P.?

North River Partners, 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 North River Partners, L.P. raised?

North River Partners, L.P. reports $989,483,569 sold from 271 investors on its Form D filed Feb 21, 2025. This is cumulative sales since the offering began, not current assets or performance.

Where is North River Partners, L.P. based?

North River Partners, L.P. is based in Boston, Massachusetts and is managed by Wellington Management Company LLP.

When did North River Partners, L.P. launch?

North River Partners, L.P. reports its first sale in Jan 1996.

Size compared with every hedge fund

Raised more than 81% of the 474 hedge funds based in Massachusetts, and more than 90% of all 10,307 that report sales.

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