Asher Bio

Asher Bio develops cis-targeted immunotherapies that selectively activate specific immune cell types.

Health and bioY Combinator

Latest funding

$55M Series B+ · April 16, 2024

Led by RA Capital Management · Source: fundraisingfox.com

Total raised: $218M across 3 sourced rounds

All 4 rounds ↓

Website: asherbio.com.

X: @AsherBio · 190 followers.

LinkedIn: linkedin.com.

Category: Health and bio.

Sectors: Healthcare, Therapeutics, Biotech.

Stage: Series B+.

Based in: San Francisco, United States.

Founded: 2019.

Total raised: $218M in 3 sourced rounds.

Last round: Apr 16, 2024 · 940 days ago.

Team: 3 people on the team page.

On Recent Funding since: Sep 28, 2026.

Signals

X account@AsherBio · created Aug 29, 2019 (7 years old) · 190 followers

Website registeredJan 28, 2019 (7 years old)

About Asher Bio

These immunotherapies are designed to treat cancer and infectious diseases. The company aims to provide new medicines for patients.

TIMELINE · MONEY RAISED

Asher Bio | 785 days from website to first raise on record

@AsherBio·Raised $218M in 3 sourced rounds·2 signals before the first raise

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

Funding rounds

April 16, 2024
Series B+ · $55M
RRA Capital Management (lead), AAstraZeneca, BBoxer Capital, BBristol-Myers Squibb, JJanus Henderson Investors, TThird Rock Ventures, WWellington Management
Source: fundraisingfox.com
September 1, 2021
Series B+ · $108M
WWellington Management (lead), BBoxer Capital, EEmles Venture Partners, IInvus, JJanus Henderson Investors, LLogos Capital, MMarshall Wace, MMission BioCapital, RRA Capital Management, TThird Rock Ventures
Source: fundraisingfox.com
March 23, 2021
Series A · $55M
TThird Rock Ventures (lead), BBoxer Capital, IInvus, MMBC BioLabs, YY Combinator
Source: finsmes.com
August 29, 2019
X account created
Summer 2019
YY Combinator · batch
Source: ycombinator.com
January 28, 2019
Website created

Founders and team

ID
Ivana Djuretic Founder, CEO

LinkedIn · source: foundertrace.com
AY
Andy Yeung Founder

@Andy_Yeung_ · LinkedIn
AP
Andrea Pirzkall Chief Medical Officer

Investors

Companies like Asher Bio

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AAnaveon$120M Series B+ · Dec 2021
BBoulevard Bio$65M Seed · Aug 2026
GGlycoEra$130M Series B+ · May 2025
CCura TherapeuticsSeed · Mar 2026
AAlpha-9 Oncology$175M Series B+ · Oct 2024

Other companies backed by RA Capital Management

AAlethio Therapeutics$90M Series A · Nov 2026
SStar Therapeutics$200M Series B+ · Oct 2026
OOptivolt$32M Series A · Oct 2026
EEstuary Biotherapeutics$103M Series A · Oct 2026
MMMI$125M Series B+ · Oct 2026
AAbcuro$66M Series B+ · Aug 2026

RA Capital Management portfolio →

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/asher-bio (get a free API key).