Durable Capital Partners: Platform Profile

Overview

Durable Capital Partners is a Maryland investment manager founded in 2019 by Henry Ellenbogen. Its investment philosophy focuses on identifying small- and mid-cap compounders across both public and private markets and owning businesses with the potential for durable long-term growth.

The strategy is primarily long-oriented rather than a classic market-neutral hedge-fund approach.

May fit better for

• investors seeking long-horizon growth and compounder exposure;
• allocators interested in public/private crossover investing;
• investors comfortable with small- and mid-cap growth risk;
• qualified investors able to tolerate private-company illiquidity.

May fit less well for

• investors seeking market-neutral exposure;
• retail users seeking public self-service access;
• investors wanting broad index-like diversification;
• users who treat 13F holdings as the complete private/public platform.

Durable is SEC registered

• Legal adviser: Durable Capital Partners LP
• CRD: 305221
• SEC number: 801-117448
• SEC registered investment adviser: Yes

Current regulatory AUM is $17.592B

Current July 1, 2026 Form-ADV-derived data:

• Regulatory AUM: $17.592B
• Regulatory AUM exact: $17,592,140,712
• Regulatory AUM as of: 2026-07-01
• Discretionary AUM: $17.592B
• Account count: 5
• Employees: 49

Current private-fund GAV is $18.4B

• Private fund count: 3
• Private fund gross assets: $18.4B
• Private fund type: Hedge Fund

Q2 2026 13F value is $10.282B

• Q2 2026 13F value: $10.282B
• Q2 2026 13F exact value: $10,282,381,000
• Q2 2026 13F as of: 2026-06-30
• Q2 2026 13F holding count: 36
• Q2 2026 13F filing ID: 000179884926000010

Private-company investments are not fully represented by the filing.

Strategy focuses on durable compounders

Current first-party-linked descriptions support:

• Small cap focus: Yes
• Mid cap focus: Yes
• Compounder focus: Yes
• Public market investing: Yes
• Private market investing: Yes
• Long term orientation: Yes
• Primarily long only: Yes

Founder and CIO:

• Founder CIO: Henry Ellenbogen
• Founded: 2019

A University of Michigan investment memo described the original mandate as identifying businesses with durable competitive advantages and long compounding potential across public and private markets.

Keep that historical mandate source-dated; do not convert it into a guaranteed growth rate.

Growth target language is not a guarantee

Historical institutional materials referenced a goal of finding companies capable of compounding value over long periods.

Form D totals remain vehicle specific

Current Durable private vehicles include the Master Fund and Growth Fund structures.

• Form d total raised equals current NAV: No
• Form d total raised equals regulatory AUM: No

Assessment

Durable's $10.282B Q2 13F is a substantial public-equity book, but the manager explicitly invests in private companies as well. The correct scale anchor is $17.592B RAUM, with $18.4B private-fund GAV kept separate.