Topos Bio
toposbio.ai
Actively hiring
Medical AI
Drug Discovery
Artificial Intelligence
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Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$19.5M
2 rounds on record
Latest round
$10.5M
Seed · Mar 2026 · 6 mo ago
Team
11-50
employees, estimated range
Hiring now
3
+3 posted in 30 days
The money's age
Fresh money
6 months since the last round · and hiring
Momentum
60/100
hiring for its size, fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Mar 17
Partnership Dalriada Drug Discovery and Topos Bio Announce Collaboration to Advance Drug Discovery for Intrinsically Disordered Proteins · morningstar.com
Mar 17
Raised a round Seed $10.5M
Dec 23, 2024
Raised a round Venture round $9M · SEC Form D
2024
Founded
Tractionpublic signals, read monthly
Web presence
top 8%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Seed | Mar 2026 | $10.5M | — | axios.com |
| Venture round | Dec 2024 | $9M | — | SEC Form D |
Registers and programsofficial lists and records that name the company
| Legal entity | Topos Bio, Inc. | SEC Form D |
Founders and leadersfrom filings, registers and the company's site
Amir KhosrowshahiExecutive Officer, DirectorSEC Form D
Ryan ZarconeExecutive Officer, DirectorSEC Form D
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Overview
Redefining Druggable Space - Targeting Intrinsically Disordered Proteins.
News
Dalriada Drug Discovery and Topos Bio Announce Collaboration to Advance Drug Discovery for Intrinsically Disordered Proteins
Read more
Report
January 8, 2026 Axios Exclusive: Topos Bio raises 10.5M seed for AI drug discovery Read More
Dalriada and Topos Bio partner to combine advanced mass spectrometry and proteomics with AI-driven computational modeling to accelerate drug discovery for intrinsically disordered proteins.
Read more
Report
People
Amir Khosrowshahi
Executive Officer, Director
Ryan Zarcone
Executive Officer, Director
Ellen Chisa
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Growth
Hiring Momentum
28/100
Slowing
Open positions
3
0 opened / 0 closed in 30 days
ATS activity
Every ~16 hours
10/02/2026
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Science & Research
67% ▲
AI/ML
33% ▲
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
1
Busiest office
San Francisco
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Headquarters
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San Francisco
United States
HQ
2 open roles 2 posted in 90 days 100% engineering 10-50 est. staff
hires for AI/ML, Science & Research
South San Francisco
United States
Engineering / R&D
1 open roles 1 posted in 90 days 100% engineering 10-50 est. staff
hires for Science & Research
Jobs
≈ $163k – $355k per year (Estimated) • In office • Full-Time • PhD • San Francisco
Machine Learning
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