Xcell Biosciences, Inc.

San Francisco, CA · Founded 2012 · Biotech · Private

AVATAR platform for engineering tumor microenvironment conditions in cell therapy manufacturing

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Updated · xcellbio.com

Sector
Biotech
Headquarters
San Francisco, CA
Founded
2012
Latest Form D
$1.4M, Dec 2024
Total capital
$28.4M
Federal grants
None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised
$28.4M
3 Form D · last Dec 2024
22 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
5
32 pending · first 2018
Rank in peer group#38 of 342

Capital timeline

20172018201920202021202220232024FEDERAL ↑EQUITY ↓Cumulative $28.4M1st Form D$11.5M2nd Form D$15.5M3rd Form D$1.4M
2017201920212023FEDERAL ↑EQUITY ↓Cumulative $28.4M1st Form D$11.5M2nd Form D$15.5M

Latest events

  • Private capital raisedForm D · SEC · 3rd filing$1.4M
  • Private capital raisedForm D · SEC · 2nd filing$15.5M
  • Private capital raisedForm D · SEC · 1st filing$11.5M

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 342 peers

Line = median

Biotech · Platform

  • Granted patents#38 · top 11%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

Researcher links verified by same-company patents and grants
  • James S. LimResearcherExecutive OfficerLinked by 3 patents
  • Brian S. FethExecutive Officer, DirectorNamed in SEC Form D filings
  • Kaz OhnoExecutive OfficerNamed in SEC Form D filings
  • Saeid S. AkhtariDirectorNamed in SEC Form D filings

What it has protected

USPTO · 5 granted of 37
Show all 37 patent records
  • Multiple Incubator Cell Culture System With Atmospheric Regulation Operated By An Integrated Control SystemOct 20, 2026 · US 12,767,920Granted
  • Gas Flow Regulation For A Cell Culture IncubatorJun 9, 2026 · US 12,649,899Granted
  • Systems And Methods For Modulating A Cell PhenotypeDec 4, 2025 · Application 19178415Pending
  • Cell Populations Adapted To A Tumor MicroenvironmentAug 21, 2025 · Application 18904794Pending
  • Methods Of Modulating Cell Phenotype By Way Of Regulating The Gaseous EnvironmentSep 12, 2024 · Application 18482493Pending
  • Multiple Incubator Cell Culture System With Atmospheric Regulation Operated By An Integrated Control SystemJan 4, 2024 · Application 18313697Pending
  • Methods Of Modulating Cell Phenotype By Way Of Regulating The Gaseous EnvironmentNov 14, 2023 · US 11,814,647Granted
  • Gas And Liquid Flow Regulation System For Cell CultureJul 6, 2023 · Application 17976331Pending
  • Systems And Methods For Modulating A Cell PhenotypeJul 7, 2022 · Application 17605331Pending
  • Methods Of Modulating Cell Phenotype By Way Of Regulating The Gaseous EnvironmentJun 21, 2022 · US 11,365,390Granted
  • Gas Flow Regulation For A Cell Culture IncubatorDec 2, 2021 · Application 17335353Pending
  • Multiple Incubator Cell Culture System With Atmospheric Regulation Operated By An Integrated Control SystemFeb 4, 2021 · Application 16967238Pending
  • Cancer Analysis SystemSep 20, 2018 · Application 15817872Pending
  • Cancer Cell Enrichment SystemApr 12, 2018 · Application 15566337Pending
  • Cancer Cell Enrichment SystemMar 8, 2018 · Application 15789464Pending
  • Cancer Analysis SystemJan 2, 2018 · US 9,857,360Granted
  • Methods For Increasing Cell Culture Transfection Efficiency And Cellular ReprogrammingDec 28, 2017 · Application 15629240Pending
  • Methods For Increasing Cell Culture Transfection Efficiency And Cellular ReprogrammingApplication 62405725Pending
  • Methods For Increasing Cell Culture Transfection Efficiency And Cellular ReprogrammingApplication 62362214Pending
  • Methods For Increasing Cell Culture Transfection EfficiencyApplication 62353435Pending
  • Cancer Cell Enrichment SystemApplication PCTUS2016027881Pending
  • Cancer Cell Enrichment SystemApplication 62149268Pending
  • Methods, Compositions, Kits, And Systems For Selective Enrichment Of Target CellsApplication PCTUS2014013048Pending
  • Cancer Analysis SystemApplication 61760626Pending
  • Cancer Analysis SystemApplication 61756993Pending
  • Effector Immune Cell Populations Adapted To A Hyperbaric And Hypoxic EnvironmentApplication 63327780Pending
  • Cell Populations Adapted To A Tumor MicroenvironmentApplication PCTUS2023017249Pending
  • Gas And Liquid Flow Regulation System For Cell CultureApplication PCTUS2021017877Pending
  • Cancer Cell Enrichment SystemApplication 17077222Pending
  • Systems And Methods For Modulating A Cell PhenotypeApplication PCTUS2020030706Pending
  • Gas And Liquid Flow Regulation System For Cell CultureApplication 62976690Pending
  • Modulating A Cell Phenotype In Vitro By Regulating The Atmospheric Environment To Make The Phenotype Suitable For Therapeutic UseApplication 62840782Pending
  • Multiple Incubator Cell Culture System With Atmospheric Regulation Operated By An Integrated Control SystemApplication PCTUS2019016505Pending
  • Methods Of Modulating Cell Phenotype By Way Of Regulating The Gaseous EnvironmentApplication PCTUS2018066197Pending
  • Cell Culture Incubator With Multiple Gas Flow Regulation, Non-invasive Cell Monitoring, And Electroporation CapabilitiesApplication 62626364Pending
  • Methods Of Modulating Cell Potency-level Phenotype By Way Of Regulating The Gaseous EnvironmentApplication 62607586Pending
  • Methods For Increasing Cell Culture Transfection Efficiency And Cellular ReprogrammingApplication PCTUS2017038542Pending

Regulatory activity · Biotech

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Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .