AltMountain

Washington Harbour Enduring Advantage Fund, LP

Arlington, VA · CIK 2081808 · Managed by Washington Harbour Partners LP

Washington Harbour Enduring Advantage Fund, LP is a private equity fund based in Arlington, Virginia. According to its most recent Form D, filed Aug 20, 2026, it has sold $847,250,000 of interests to 22 investors since its first sale in Feb 2026. 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 Mina Faltas; Washington Harbour Enduring Advantage Fund GP, LLC; Washington Harbour Partners, LP.

Total raised
$847,250,000Cumulative sales reported on Form D
Investors
22
First sale
Feb 20, 2026
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
Mina Faltas; Washington Harbour Enduring Advantage Fund GP, LLC; Washington Harbour Partners, LP
Latest Form D
Aug 20, 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. 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 Washington Harbour Enduring Advantage Fund, LP

What is the minimum investment for Washington Harbour Enduring Advantage Fund, LP?

Washington Harbour Enduring Advantage Fund, LP's latest Form D, filed Aug 20, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Washington Harbour Enduring Advantage Fund, LP?

Washington Harbour Enduring Advantage Fund, 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 Washington Harbour Enduring Advantage Fund, LP raised?

Washington Harbour Enduring Advantage Fund, LP reports $847,250,000 sold from 22 investors on its Form D filed Aug 20, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Washington Harbour Enduring Advantage Fund, LP based?

Washington Harbour Enduring Advantage Fund, LP is based in Arlington, Virginia and is managed by Washington Harbour Partners LP.

When did Washington Harbour Enduring Advantage Fund, LP launch?

Washington Harbour Enduring Advantage Fund, LP reports its first sale in Feb 2026.

Size compared with every private equity fund

Raised more than 99% of the 204 private equity funds based in Virginia, and more than 93% of all 9,142 that report sales.

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