AltMountain

Third Prime Alpha Fund IV, LP

New York, NY · CIK 2026294 · Managed by Third Prime Capital Management L.P.

Third Prime Alpha Fund IV, LP is a venture capital fund based in New York, New York. According to its most recent Form D, filed Jul 2, 2025, it has sold $87,595,000 of interests to 37 investors since its first sale in Jul 2024. 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 General Partner Third Prime Managers IV, LLC; Keith Hamlin; Michael Kim.

Total raised
$87,595,000Cumulative sales reported on Form D
Investors
37
First sale
Jul 3, 2024
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
General Partner Third Prime Managers IV, LLC; Keith Hamlin; Michael Kim
Latest Form D
Jul 2, 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 Third Prime Alpha Fund IV, LP

What is the minimum investment for Third Prime Alpha Fund IV, LP?

Third Prime Alpha Fund IV, LP's latest Form D, filed Jul 2, 2025, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Third Prime Alpha Fund IV, LP?

Third Prime Alpha Fund IV, 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 Third Prime Alpha Fund IV, LP raised?

Third Prime Alpha Fund IV, LP reports $87,595,000 sold from 37 investors on its Form D filed Jul 2, 2025. This is cumulative sales since the offering began, not current assets or performance.

Where is Third Prime Alpha Fund IV, LP based?

Third Prime Alpha Fund IV, LP is based in New York, New York and is managed by Third Prime Capital Management L.P..

When did Third Prime Alpha Fund IV, LP launch?

Third Prime Alpha Fund IV, LP reports its first sale in Jul 2024.

Size compared with every venture capital fund

Raised more than 96% of the 1,259 venture capital funds based in New York, and more than 98% of all 15,163 that report sales.

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