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Investor Profile

Mainsail Partners

Entity type
PE Firm
Headquarters
Austin, TX

AUM

$3.9B

as of 2026-04-06

SEC Form ADV
SEC Form ADV

Growth equity firm investing exclusively in bootstrapped business-to-business software companies, pairing capital with an in-house operations team for founders scaling without prior institutional money.

Focus

Bootstrapped business-to-business software growth equity

Sectors

Technology

The list is public. The introductions are not.

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