Firms, funds, partners, companies and rounds from sworn filings, firm sites and announcements, kept as a graph with a date and a source on every edge. Facts, inferences and estimates are labelled as such. A fund target is never a close, GAV is never dry powder, and a round size is never an investor’s check.

Firms / Samsara Biocapital, LLC

Samsara Biocapital, LLC

Institutional venture firm · probableUSsamsaracap.comSEC registered investment adviser

Founder’s Corner Investing to create transformative therapeutics for patients. The Tree of Life Darwin’s Tree of Life (1837) Darwin’s Origin of Species is the foundation of evolutionary biology, and is unquestionably one of the most important and influential texts in all of science. His thoughts on natural selection and how new species can branch out […]

venture manager, reported GAV $1,744M across 3 vehicles

Importance
47
elevated
Active deployment
40
elevated
Emerging
0
low
Completeness
69
high
Freshness
100
high
Research priority
17
moderate
Identity and regulatory footprint
Headquarters
unknown
Office address
unknown
Business phone
650-285-4270adviserinfo.sec.gov
SEC adviser type
registered investment adviseradviserinfo.sec.gov
SEC exemption claimed
unknown
Latest Form ADV
Jun 26, 2026
Private funds reported
3 (3 venture capital funds)adviserinfo.sec.gov
Private fund gross assets
$2.3Badviserinfo.sec.govreported GAV of the funds, the adviser's own number; not fund size, not dry powder
Regulatory AUM
$2.2Bthe adviser's RAUM, a regulatory measure, never a fund size
Employees
31
business email
info@samsaracap.comsamsaracap.compublished by the subject
business phone
650-285-4270adviserinfo.sec.govpublished by the subject
Stated thesis versus observed behaviour
4 observed deals
Stated (the firm’s website)
Sectors
biotech
Stages
not stated or not yet read
Geography
not stated
Check size
not stated; DFX does not estimate checks from round sizes
Observed (from deals on record)
Stage at participation
series a 50%series b 50%
Stage at first entry
series a 50%series b 50%
Sectors
unknown 50%Biotechnology 50%
lead rate 0%follow-on rate 0%new logos, 12 months 4
Funds and vehicles
3 reported
VehicleTypeVintageLifecycleReported GAVOwnersForm D soldLatest Form D
Smsr B1, L.P.Fund2023 adv first reportedActive deployment$121M
Mar 31, 2024
1unknownunknown
565 Spv I, L.P.SPV or co-invest vehicle2020 adv first reportedMature$11,295
Mar 31, 2024
8unknownunknown
SMM Spv I, LLCSPV or co-invest vehicle2016 form d first saleHarvest$1.6B
Mar 31, 2024
154$7.0M
of $7.0M
Mar 1, 2017
GAV is the gross asset value the adviser reported on Form ADV for the vehicle, never the fund’s committed size and never dry powder. Form D sold is the amount sold as of the latest filing, never a final close.
Investment team
39 current, 2 departed
Kelly Tomera
Vice President of Investor Relations & Marketing
Investor relations
Liz Grace
Head of Investor Relations & Marketing
Investor relations
Abrar Hussain
General Counsel And Chief Compliance Officer · since Jan 1, 2023
Platform and operations
Meysis Lam
Accounting Supervisor – Portfolio
Platform and operations
Noushin Vaccani
Exec Assistant/Operations Manager
Platform and operations
2 departed (kept with end dates)
Investments on record
4 edges, 4 companies, 1 partner-attributed
CompanyRoundRolePartnerRound sizeThis investorDateSource
Investor Portalportfolio listingunknownunknownunknownunknownSep 12, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
Coultreon BiopharmaSeries A · Series Aparticipantunknown$125MunknownApr 28, 2026Fact Press release wires (Business Wire, PR Newswire, GlobeNewswire public RSS)
Bonum Therapeutics, Inc.board seatunknown · boardMitchell Mutz (strongly supported)unknownunknownApr 17, 2026Inference SEC EDGAR Form D data sets (quarterly)
Ambrosia Biosciences Inc.Series B · Series Bparticipantunknown$100MunknownMar 31, 2026Fact Press release wires (Business Wire, PR Newswire, GlobeNewswire public RSS)
“This investor” is the amount disclosed for this investor alone; it is unknown unless a source said it. The round size is the whole round.
Co-investors
38 relationships from shared deals, counted for the whole firm
Sofinnova Investments, Inc. 2 shared · recurring · they led 1Orei Advisors LP 1 shared · one timeTritium Partners 1 shared · one timeGrandBanks Capital 1 shared · one timeUncommon Denominator Management LLC 1 shared · one timeDFJ Growth 1 shared · one timeHivemind Capital Partners LLC 1 shared · one timeGreenridge Growth Partners 1 shared · one timeCresta Fund Management LLC 1 shared · one timeFTV Capital 1 shared · one timeArctaris Impact Investors 1 shared · one time5th Century Partners 1 shared · one timeKamerra Holdings, LLC 1 shared · one timeNSV Management LLC 1 shared · one timeHakluyt Capital Limited 1 shared · one timeRally Ventures Management, LLC 1 shared · one timeNCN 1 shared · one timeUnless Management LP 1 shared · one timePlural Uk Management 1 shared · one time4x4 Capital 1 shared · one timeDN Capital (US), Inc 1 shared · one timeMcwhorter Ventures, LLC 1 shared · one timeCarnelian Energy Capital Management, LP 1 shared · one timeRice Park Capital 1 shared · one timeBlueprint Local LLC 1 shared · one timeFGC Management Co., LLC 1 shared · one timeLAS Olas Venture Capital 1 shared · one timeGalapagos 1 shared · one timeBalyasny Asset Management L.P. 1 shared · one timeRegeneron Ventures 1 shared · one timeLongwood Fund 1 shared · one timeFinchley Healthcare Ventures 1 shared · one timeLuma Group 1 shared · one timeDeep Track Capital 1 shared · one timeBVF Partners 1 shared · one timeBlue Owl Healthcare Opportunities 1 shared · one timeRedmile Group 1 shared · one timeBoulder Ventures 1 shared · one time
Limited partners
0 disclosed
No LP commitment on record. An LP edge needs a public disclosure with a quote: a pension report (see Limited partners for the plans read), a fund announcement naming the LP, or a Form ADV owner. The fund page carries the LP’s reported performance.
Timeline
11 dated events
  1. Sep 16, 2026
    Eric Dobmeier (Venture Partner) no longer on the team page of Samsara Biocapital, LLC
  2. Sep 15, 2026
    Samsara Biocapital, LLC: SEED_FUND_MANAGER -> INSTITUTIONAL_VC (venture manager, reported GAV $1,744M across 3 vehicles)
    Classification changedClassificationInferenceno URL
  3. Mar 31, 2023
    Richard D. van Doren (Cfo And Cco) no longer on Schedule A of Samsara Biocapital, LLC
  4. Mar 31, 2023
    Smsr B1, L.P. first reported on Form ADV by Samsara Biocapital, LLC (Venture Capital Fund), GAV $80,449,524
  5. Jan 1, 2023
    Miran Nasruddin Ahmad joined Schedule A of Samsara Biocapital, LLC as Chief Financial Officer
  6. Jan 1, 2023
    Abrar Hussain joined Schedule A of Samsara Biocapital, LLC as General Counsel And Chief Compliance Officer
  7. Mar 30, 2020
    565 Spv I, L.P. first reported on Form ADV by Samsara Biocapital, LLC (Venture Capital Fund), GAV $8,258,932
  8. Mar 20, 2017
    Samsara Biocapital, LLC first filed Form ADV (ERA)
  9. Mar 20, 2017
    SMM Spv I, LLC first reported on Form ADV by Samsara Biocapital, LLC (Venture Capital Fund), GAV $11,771,437
  10. Feb 1, 2017
    Michael P. Dybbs joined Schedule A of Samsara Biocapital, LLC as Partner
  11. Feb 1, 2017
    Richard D. van Doren joined Schedule A of Samsara Biocapital, LLC as Cfo And Cco
Classification history
  1. Sep 15, 2026
    Institutional venture firm (probable, 80%, cls-1)
    venture manager, reported GAV $1,744M across 3 vehicles
  2. Sep 12, 2026
    Seed fund manager (probable, 80%, cls-1)
    seed vehicles only
Evidence
47 observations from 3 sources
Every observation behind this profile, with its source, date and class
FactValueEffectiveClassSource
Why admittedvc_funds_reportedJun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
SEC adviser typeregistered_investment_adviserJun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
SEC adviser typeregistered_investment_adviserMar 31, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
First Form ADV filing2017-03-20Mar 31, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Adv history loadedadv-hist-1Sep 12, 2026FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Latest Form ADV filing2026-06-26Jun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Latest Form ADV filing2024-03-31Mar 31, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
SEC statusApprovedJun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
SEC status effective2018-07-27Jun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Venture share of reported funds1Mar 31, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Business phone650-285-4270Jun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Business phone650-285-4270Mar 31, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Contact page urlhttps://www.samsaracap.com/contact/
contact page linked from the home page
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
DescriptionFounder’s Corner Investing to create transformative therapeutics for patients. The Tree of Life Darwin’s Tree of Life (1837) Darwin’s Origin of Species is the foundation of evolutionary biology, and is unquestionably one of the most important and influential texts in all of science. His thoughts on natural selection and how new species can branch out […]
meta description
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
DescriptionFounder’s Corner Investing to create transformative therapeutics for patients. The Tree of Life Darwin’s Tree of Life (1837) Darwin’s Origin of Species is the foundation of evolutionary biology, and is unquestionably one of the most important and influential texts in all of science. His thoughts on natural selection and how new species can branch out […]
meta description
Sep 12, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Employees31Jun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Employees26Mar 31, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Legal formLimited Liability CompanyJun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Portfolio pagehttps://www.samsaracap.com/portfolio/
1 entries read
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Portfolio pagehttps://www.samsaracap.com/portfolio/
1 entries read
Sep 12, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Private funds reported3Jun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Private funds reported3Mar 31, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Private fund gross assets (reported)$2.3BJun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Private fund gross assets (reported)$1.7BMar 31, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Regulatory AUM (adviser, not fund size)$2.2BJun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Regulatory AUM (adviser, not fund size)$1.6BMar 31, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Stated sectorsbiotech
sector words on the home page
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Stated sectorsbiotech
sector words on the home page
Sep 12, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Team pagehttps://www.samsaracap.com/team/
35 name/title pairs read
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Team pagehttps://www.samsaracap.com/team/
28 name/title pairs read
Sep 12, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Venture funds reported3Jun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Venture funds reported3Mar 31, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
WebsiteHTTP://WWW.SAMSARACAP.COM/Jun 26, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
WebsiteHTTP://WWW.SAMSARACAP.COM/Mar 31, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Site titleSAMSARA BIOCAPITAL
title tag
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Site titleSAMSARA BIOCAPITAL
title tag
Sep 12, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)