Firms

Cantos Ventures

Cantos Ventures

San Francisco, California, United States · Los Angeles, California, United States

cantos.vclinkedin.com

Cantos is a San Francisco and Los Angeles venture-capital firm founded by Ian Rountree in2016. It backs pre-seed and seed founders building technologies in the physical world, including robotics, next-generation computing, energy and nuclear systems, aerospace, defense, advanced manufacturing, biotechnology and AI-enabled biology. Its stated goals include improving abundance, resilience of essential infrastructure and technological competitiveness. Current published team members are Ian Rountree, Grant Gregory, Amee Kapadia and Sofia Garcia. The legal investment adviser is Cantos Ventures, LLC, CRD312922 and SEC exempt-reporting file802-127828, directly confirmed by its March27,2026 Form ADV. Corporate general partners and limited partnerships are separate legal vehicles rather than interchangeable names for the adviser. The same public brand is also represented by the protected legacy record GoldiCantos / Investor4179; both existing investor identities and all inherited financing, role and private reference records are retained, without transferring historical checks or claiming duplicate capital. Own primary announcements confirm USD15M FundII, USD50M FundIII and USD70M FundIV. FundIV closed earlier in2026, but an exact closing day is unpublished. The founder’s2026 recollection gives FundIUSD4.5M, while his2022 announcement rounded the inaugural fund toUSD4M; this difference is qualified as reporting scope, not a second fund or additional raise. Regulatory gross asset values are investment valuations, not fundraising amounts. The March2026 ADV separately identifies14 real fund vehicles, including flagship funds and special-purpose co-investment vehicles; unverified closed amounts remain unknown. The current own portfolio includes AI-guided mineral discovery at EarthAI, AI-enabled drug discovery and biology at NablaBio, ModuloBio and CharacterBio, construction robotics at DustyRobotics, quantum computing at AtomComputing, flight automation at Skyryse and additional advanced manufacturing and energy companies. Specific subscribing funds, personal partner tickets and financing rounds are not inferred from a portfolio card. Dusty’s source-proven seed and SeriesA investor callbacks belong to the separate issuer audit; no SeriesB allocation is asserted.

Founded
2016
Type
Venture capital

Funds12

  • CANTO OF ARCADIA LP—

    Actual separate private venture-capital vehicle CANTO OF ARCADIA LP (805-3169053044) disclosed by legal adviser Cantos Ventures LLC CRD312922 in its original March27,2026 Form ADV ScheduleD. Corporate GP identity is separately disclosed by that filing; this fund is not the adviser itself or a portfolio-company fundraising round. This special-purpose/co-investment vehicle’s completed capital commitments and close day are not verified. Regulatory grossassetvalue is a valuation snapshot, not a fundclose; no companyallocation or aggregateLPfund cash is inferred.

  • CANTO OF EARTH LLC—

    Actual separate private venture-capital vehicle CANTO OF EARTH LLC (805-3806438297) disclosed by legal adviser Cantos Ventures LLC CRD312922 in its original March27,2026 Form ADV ScheduleD. Corporate GP identity is separately disclosed by that filing; this fund is not the adviser itself or a portfolio-company fundraising round. This special-purpose/co-investment vehicle’s completed capital commitments and close day are not verified. Regulatory grossassetvalue is a valuation snapshot, not a fundclose; no companyallocation or aggregateLPfund cash is inferred.

  • CANTO OF JUPITER II LP—

    Actual separate private venture-capital vehicle CANTO OF JUPITER II LP (805-3635021176) disclosed by legal adviser Cantos Ventures LLC CRD312922 in its original March27,2026 Form ADV ScheduleD. Corporate GP identity is separately disclosed by that filing; this fund is not the adviser itself or a portfolio-company fundraising round. This special-purpose/co-investment vehicle’s completed capital commitments and close day are not verified. Regulatory grossassetvalue is a valuation snapshot, not a fundclose; no companyallocation or aggregateLPfund cash is inferred.

  • CANTO OF JUPITER, LP—

    Actual separate private venture-capital vehicle CANTO OF JUPITER, LP (805-9947511542) disclosed by legal adviser Cantos Ventures LLC CRD312922 in its original March27,2026 Form ADV ScheduleD. Corporate GP identity is separately disclosed by that filing; this fund is not the adviser itself or a portfolio-company fundraising round. This special-purpose/co-investment vehicle’s completed capital commitments and close day are not verified. Regulatory grossassetvalue is a valuation snapshot, not a fundclose; no companyallocation or aggregateLPfund cash is inferred.

  • CANTOS CODA, LP—

    Actual separate private venture-capital vehicle CANTOS CODA, LP (805-2540982129) disclosed by legal adviser Cantos Ventures LLC CRD312922 in its original March27,2026 Form ADV ScheduleD. Corporate GP identity is separately disclosed by that filing; this fund is not the adviser itself or a portfolio-company fundraising round. This special-purpose/co-investment vehicle’s completed capital commitments and close day are not verified. Regulatory grossassetvalue is a valuation snapshot, not a fundclose; no companyallocation or aggregateLPfund cash is inferred.

  • CANTOS IVY II, L.L.C.—

    Actual separate private venture-capital vehicle CANTOS IVY II, L.L.C. (805-6211099618) disclosed by legal adviser Cantos Ventures LLC CRD312922 in its original March27,2026 Form ADV ScheduleD. Corporate GP identity is separately disclosed by that filing; this fund is not the adviser itself or a portfolio-company fundraising round. This special-purpose/co-investment vehicle’s completed capital commitments and close day are not verified. Regulatory grossassetvalue is a valuation snapshot, not a fundclose; no companyallocation or aggregateLPfund cash is inferred.

  • CANTOS IVY, L.L.C.—

    Actual separate private venture-capital vehicle CANTOS IVY, L.L.C. (805-9923562887) disclosed by legal adviser Cantos Ventures LLC CRD312922 in its original March27,2026 Form ADV ScheduleD. Corporate GP identity is separately disclosed by that filing; this fund is not the adviser itself or a portfolio-company fundraising round. This special-purpose/co-investment vehicle’s completed capital commitments and close day are not verified. Regulatory grossassetvalue is a valuation snapshot, not a fundclose; no companyallocation or aggregateLPfund cash is inferred.

  • CANTOS VENTURES I, L.P.$4M

    Actual separate private venture-capital vehicle CANTOS VENTURES I, L.P. (805-5672944271) disclosed by legal adviser Cantos Ventures LLC CRD312922 in its original March27,2026 Form ADV ScheduleD. Corporate GP identity is separately disclosed by that filing; this fund is not the adviser itself or a portfolio-company fundraising round. The founder’s own2026 retrospective describes his initial fund asUSD4.5M; his September2022 announcement rounded it toUSD4M. The later founder-reported size is retained with this reporting discrepancy, not a secondfund or additionalraise. Exact close day unpublished.

Team

Grant Gregory
$20M$500K – $40MNew York, New York
Ian Rountree
Ian Rountree

Cantos Ventures, Founder and General Partner

$750K$400K – $1MSan Francisco, California
Amee Kapadia
—— – —
Sofia Garcia
Sofia Garcia

Cantos Ventures, Chief Financial Officer

—— – —

Co-investing

Avidan Ross
Baseline Ventures
NextGen Venture Partners
Root Ventures
AgFunder

Investments