UnannouncedVCRaise

Filed before 2025Filed 4 September 2024

Arsenal Biosciences, Inc. raised $325M

Arsenal Biosciences, Inc., a biotech company based in South San Francisco, CA, raised $325M in a new equity round, according to a filing dated 4 September 2024.

Raises filed before 2025 are not checked for a public announcement.

Watch Arsenal Biosciences, Inc. Share on X Read the filing ↗
Filed
4 September 2024
Round
Equity round
Amount sold
$325M
Offering size
$325M
Investors so far
26
Based in
South San Francisco, CA

Investors on the board

Firms come from the venture funds whose filings name a director of this company.

Who is on the board

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How it compares

Larger than 99% of the 1,434 tracked raises with an amount filed in 2024, and than 99% of the 138 in biotech.

Arsenal Biosciences, Inc. in public filings

FiledFilingSoldRaise
4 Sep 2024New filing$325MThis raise
9 Sep 2022New filing$221MAnother raise
9 Sep 2022New filing$33MAnother raise

Everything on Arsenal Biosciences, Inc.

More with Westlake BioPartners on the board

  1. Arpeggio Biosciences, Inc.$20MUnannounced · 297 days24 Nov 2025 · Boulder, CO
  2. Latigo Biotherapeutics, Inc.$50MAnnounced 32 days later13 Feb 2025 · Thousand Oaks, CA
  3. Portal Instruments, Inc.$7MFiled before 202529 Apr 2022 · Cambridge, MA
  4. Neurogastrx, Inc.$60MFiled before 202513 Jul 2021 · Woburn, MA

All 43 raises

Other unannounced rounds

  1. DVx Atomic Co.$18.5MUnannounced · 1 day16 Sep 2026 · Boston, MA
  2. Aperio Systems, Inc.$1.6MUnannounced · 1 day16 Sep 2026 · Boston, MA
  3. Twin Health, Inc.$59MUnannounced · 1 day16 Sep 2026 · Menlo Park, CA
  4. Scoring Factory AI Inc.$500KUnannounced · 2 days15 Sep 2026 · New York, NY
  5. Royal & Pelham, Inc.$5.4MUnannounced · 2 days15 Sep 2026 · New Orleans, LA
  6. SPECTRA Holdings US, Ltd.$2.5MUnannounced · 2 days15 Sep 2026 · Sandy Springs, GA

All unannounced rounds

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