AltMountain

Durable Capital Onshore Fund LP

Bethesda, MD · CIK 1792270 · Managed by Durable Capital Partners LP

Durable Capital Onshore Fund LP is a hedge fund based in Bethesda, Maryland. According to its most recent Form D, filed Oct 21, 2026, the fund has sold $8,037,024,723 of interests to 529 investors since its first sale in Nov 2019. 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 Durable Capital Associates LLC; Henry Ellenbogen.

Performance

13F estimate · public data only

No verified returns have been reported for this fund. As a rough guide, Durable Capital Partners LP, which manages it, disclosed U.S. stock holdings that returned an estimated +3.7% 2026 YTD through Jun 30 (S&P 500: +9.5%), based only on its public 13F filings. Over a longer period, Q3 2024 to Q2 2026, the estimate is +23.5% (S&P 500: +37.2%).

This estimate covers the firm's whole disclosed long U.S. stock portfolio. It is not this fund's return and excludes dividends, fees, shorts, derivatives, bonds, cash and trading within each quarter.

Is this your fund? Report your monthly returns · How performance works

Total raised
$8,037,024,723Cumulative sales reported on Form D
Investors
529
First sale
Nov 1, 2019
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
Durable Capital Associates LLC; Henry Ellenbogen
Latest Form D
Oct 21, 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 Durable Capital Onshore Fund LP

What is the minimum investment for Durable Capital Onshore Fund LP?

Durable Capital Onshore Fund LP's latest Form D, filed Oct 21, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Durable Capital Onshore Fund LP?

Durable Capital Onshore 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 Durable Capital Onshore Fund LP raised?

Durable Capital Onshore Fund LP reports $8,037,024,723 sold from 529 investors on its Form D filed Oct 21, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Durable Capital Onshore Fund LP based?

Durable Capital Onshore Fund LP is based in Bethesda, Maryland and is managed by Durable Capital Partners LP.

When did Durable Capital Onshore Fund LP launch?

Durable Capital Onshore Fund LP reports its first sale in Nov 2019.

Size compared with every hedge fund

Raised more than 98% of the 62 hedge funds based in Maryland, and more than 99% of all 10,307 that report sales.

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