AltMountain

OA GP Fund, L.P.

Grand Rapids, MI · CIK 2087824 · Managed by OA Private Capital

OA GP Fund, L.P. is a private equity fund based in Grand Rapids, Michigan. According to its most recent Form D, filed Oct 30, 2025, it has sold $3,425,365,442 of interests to 35 investors since its first sale in Aug 2025. 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 Robert Schierbeek; Ottawa Avenue Private Capital, LLC; Randall Damstra.

Total raised
$3,425,365,442Cumulative sales reported on Form D
Investors
35
First sale
Aug 29, 2025
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
Robert Schierbeek; Ottawa Avenue Private Capital, LLC; Randall Damstra
Latest Form D
Oct 30, 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. Returns are not part of SEC filings. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about OA GP Fund, L.P.

What is the minimum investment for OA GP Fund, L.P.?

OA GP Fund, L.P.'s latest Form D, filed Oct 30, 2025, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in OA GP Fund, L.P.?

OA GP 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 OA GP Fund, L.P. raised?

OA GP Fund, L.P. reports $3,425,365,442 sold from 35 investors on its Form D filed Oct 30, 2025. This is cumulative sales since the offering began, not current assets or performance.

Where is OA GP Fund, L.P. based?

OA GP Fund, L.P. is based in Grand Rapids, Michigan and is managed by OA Private Capital.

When did OA GP Fund, L.P. launch?

OA GP Fund, L.P. reports its first sale in Aug 2025.

Size compared with every private equity fund

Raised more than 99% of the 89 private equity funds based in Michigan, and more than 99% of all 9,142 that report sales.

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