ANTAGEN BIOSCIENCES INC

BOSTON, MA · Biotech · Private

Novel mucosal adjuvant (C3d-CTB fusion protein) for oral vaccines, delivered via algae bio-encapsulation

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Updated

Sector
Biotech
Headquarters
BOSTON, MA
Total capital
$4.3M
Federal grants
$600K
1 award
Rank in peer group#164 of 502
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
$3.7M
8 awards · Health and Human S
Rank in Biotech#99 of 4373
Granted patents
None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

201120132015201720192021FEDERAL ↑EQUITY ↓Cumulative $3.7M$1M$600K$600K$600K$300K$300K
201120132015201720192021FEDERAL ↑EQUITY ↓Cumulative $3.7M$1M$600K$600K$600K

Latest events

  • Federal contractHealth and Human S · Award To Antagen Pharmaceuticals$300K
  • Federal contractHealth and Human S · The Goal Of The Proposed Project Is To Further Develop Antagen's Novel Protein Nanoparticle-based Expression And Delivery System Using Fcrider Technology And Antibody Afucosylation Technology To Produce A2,6-SIALYLATED Afucosylated Env-fcrider ($300K
  • Federal contractHealth and Human S · SBIR Topic 081: Adjuvant Development For Vaccines Against Infectious Or Immune-mediated Diseases$600K
  • Federal contractHealth and Human S · The Objective Of This Contract Is To Use Immunogens (envs) Combined With Effective Multivalent Antigenic Display On Nanoparticles (nps) For Delivery To Promote Strong And Long-lived Neutralizing Antibody Responses Against Hiv And Direct Affinity Maturation Toward Hiv Neutralizing Antibodies.$600K
  • Federal contractHealth and Human S · The Purpose Of This Contract Is To Evaluate And Modulate The Molecular Pathways Involved In Regulating And Enhancing Hiv Envelope/antigen Expression In Mammalian Cell Lines And To Accelerate Development Of Purification Platforms In A Cgmp Manufacturing Setting.$600K
  • Federal contractHealth and Human S · SBIR Phase II - Antagen Igf::ot::igf For Other Functions$1M
  • Federal contractHealth and Human S · Igf::cl::igf$150K
Show 1 earlier federal award
  • Federal contractHealth and Human S · TAS::75 0893::TAS Rapid Large Scale Production Of Protein Therapeutics$150K

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.

1 record has no date or no amount, so it isn’t placed on the timeline.

Standing among 502 peers

Line = median

Biotech · Molecule

  • Federal grants#164 · top 33%

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

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

No granted patents are on record.

USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.

Checked: USPTO granted patents and published applications · Oct 23, 2026

  • CAIRN BIOSCIENCES INCSimilar federal contract value in Biotech · $4M in contracts
  • CELDARA MEDICAL, LLCSimilar federal contract value in Biotech · $4M in contracts
  • BioQ Pharma IncSimilar federal contract value in Biotech · $4M in contracts
  • Proniras CorpSimilar federal contract value in Biotech · $3.7M in contracts
  • Helix, Inc.Similar federal contract value in Biotech · $3.6M in contracts
  • ABVACC, INC.Similar federal contract value in Biotech · $3.5M in contracts

Regulatory activity · Biotech

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

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 .