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  3. Unnatural Products

Unnatural Products

Pioneering the development of synthetic macrocyclic peptides.

Latest funding

$45M Series B+ ·

Led by The Venture Collective · Source: fundraisingfox.com

Total raised: $77M across 2 sourced rounds

All 2 rounds ↓

Acquired by AArgenx on for $1.15B · Briefs Finance.

Category: Health and bio.
Sectors: Artificial Intelligence (AI), Biotechnology, Health Care, Life Science, Therapeutics.
Stage: Series B+.
Based in: Santa Cruz, United States.
Founded: 2015.
Total raised: $77M in 2 sourced rounds.
Last round: Mar 16, 2026 · 244 days ago.
Headcount: 51–100 employees.
On Recent Funding since: Sep 29, 2026.

Signals

Website registeredFeb 25, 2016 (10 years old)
TIMELINE · MONEY RAISED

Unnatural Products | 1062 days on the record

Raised $77M in 2 sourced rounds
$19M$39M$58M$77MJAN 2024JUNNOVAPRSEPFEBJULDEC$77M$32M Series A · Dec 19, 2023$32M A · DEC '23$45M Series B+ · Mar 16, 2026$45M B+ · MAR '26Acquired by Argenx · Nov 9, 2026ACQUIRED BY ARGENX · NOV '26

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

DateRoundAmountLeadSource
Series B+$45MTThe Venture Collectivefundraisingfox.com
Series A$32MAARTIS Venturesfinsmes.com

Timeline

  1. Acquired by AArgenx · $1.15B
  2. Website created

Founders and team

Investors

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Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/unnatural-products (get a free API key).

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