insitro

insitro is a biotech company founded in 2018 by Daphne Koller, focusing on transforming drug discovery through machine learning and large-scale biological data. The company aims to improve the traditional drug development process by using artificial intelligence to accelerate the discovery of new therapeutics for various diseases. The core of insitro's work is its machine learning-driven platform, which integrates in vitro cellular data with human clinical data. This platform is designed to enhance the understanding of diseases and identify therapeutic insights, ultimately speeding up the development of innovative therapies. The company collaborates with leading pharmaceutical firms and academic institutions to access valuable datasets, further enhancing its drug discovery capabilities. insitro's interdisciplinary team includes life scientists, data scientists, engineers, and drug hunters, all working together to design experiments, build models, and analyze results. The company's vision is to deliver better drugs more quickly to patients, contributing to advancements in personalized medicine.

Research South San Francisco, United States Founded 2018 ~270 employees Private · Series C

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Employees
270
-2.5% in the 3 months to Jun 2025
Revenue / employee
$75.2K
Revenue ~$20.3M
Total funding
$643M
Last round Series C, Mar 2021
12-month attrition
17.3%
Tech: 18.7%
H1B filings, FY2026
8
Sponsors visas

Headcount trend

insitro went from 233 employees in Jul 2023 to 270 in Jun 2025. Jan to Jun 2025: 16 people joined, 16 left.

Headcount data through Jun 2025

Org structure

Headcount by department

Other171
Engineering53
Operations23
Finance13
HR2
Sales2
Product2
Success2

Funding

  • Mar 2021 · Series C · $400M · Canada Pension Plan Investment Board, Andreesen Horowitz, T. Rowe Price Associates, Inc.
  • May 2020 · Series B · $143M · Andreessen Horowitz, Canada Pension Plan Investment Board, T. Rowe Price Associates, Inc.
  • Apr 2019 · Series A · $100M · ARCH Venture Partners, Foresite Capital Management, LLC, A16Z Crypto

Salaries at insitro

All salaries

13 salary profiles in the US

Most reported roles

Pay by level, gender and ethnicity

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering32
Operations4

The department split adds up all the years listed above. FY2026 alone: 8 filings.

Peer reviews

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insitro FAQ

How many employees does insitro have?

insitro has about 270 employees, down 2.5% over the 3 months to Jun 2025.

Does insitro sponsor H1B visas?

Yes. insitro filed 8 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.

What is insitro's revenue per employee?

insitro makes about $75K in revenue per employee, based on $20.3M annual revenue and 270 employees.

How much does insitro pay?

6figr has 13 salary profiles for insitro in the US, with pay broken down by role, level, gender and ethnicity on the insitro salaries page. See insitro salaries

How much funding has insitro raised?

insitro has raised $643M in total funding; its latest round was Series C in Mar 2021.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.