Registered entities
Sutro Biopharma, Inc.
Reg. No. 470926186United States
Innovation
69 patent families (32 granted) — focus: Chemistry & metallurgy, Human necessities, Physics & computing, Electricity & electronics; filing pace steady. Cited 12,517 times.
| Year | Filings |
|---|---|
| 2015 | 11 |
| 2016 | 16 |
| 2017 | 20 |
| 2018 | 22 |
| 2019 | 22 |
| 2020 | 23 |
| 2021 | 16 |
| 2022 | 20 |
| 2023 | 14 |
| 2024 | 24 |
| 2025 | 24 |
| 2026 | 6 |
Investor mix
19 investors on record; lead investors include Skyline Ventures, Lilly Ventures, Alta Partners, SV Health Investors; 1 has since exited.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 9 | 47% |
| Private equity | 3 | 16% |
| Other / undisclosed | 7 | 37% |
Hiring activity
Hires periodically
3 roles tracked across 3 of the last 12 months
4 Jun 2026 · MEDICAL DIRECTOR · South San Francisco
3 Feb 2026 · Sr. Accounts Payable Specialist (Contract) · South San Francisco
12 Nov 2025 · Accounts Payable Manager · South San Francisco
Based on job postings tracked across public sources.