Firms

XSeed Capital
San Francisco, California, United States
XSeed Capital, also styled X/Seed Capital, is the U.S. early-stage venture manager legally named X/Seed Management Company LLC. Its February25,2026 SEC Form ADV identifies CRD160343 and exempt-reporting-adviser file802-75135, with a San Francisco principal office. This is distinct from Singapore SEEDS Capital, Danish Seed Capital and the unrelated XSEED Education business. Michael Borrus founded XSeed in2006; its current homepage describes support for entrepreneurs building category-leading high-growth companies. Primary firm biographies and portfolio announcements establish investments across AI, natural-language processing, autonomous systems, enterprise software, life sciences and materials informatics. Examples include Lilt, Lex Machina, Citrine Informatics, Artisan Bio, Enya, Biota, AtScale and robotics-related businesses. Portfolio affiliation, company acquisitions and board seats are kept distinct from verified financing transactions. The current SEC filing confirms founding general partner Borrus, while Stanford’s current profile corroborates Robert Siegel’s general-partner affiliation. The full own-firm2019 roster is preserved with explicit historical qualifications: six investment/advisory professionals, two operating residents, two fellows, twelve emeritus network members and two operations professionals. Their historical university and outside-company titles are not asserted as current2026 employment. Detailed firm team pages are currently unavailable, so the archived source and authentic native named portraits are retained rather than inventing a current exhaustive private directory. The2026 adviser filing reports three separately constituted Delaware partnerships: X/Seed Capital LP, X/Seed Capital II LP and XSeed Capital S LP, each with its own GP. Their gross assets, historical AUM, targets and unverified database fund-close headlines are not newly raised cash. FundII’s September2011 FormD reports zero sold against anUSD80M target; final close sizes remain undisclosed here. Actual Lilt2020SeriesB and2022SeriesC buyer attributions are verified against issuer primary releases, with existing financing IDs and protected historical graph preserved during a separately owned bounded correction.
- Founded
- 2006
- Type
- Venture capital



























