Registered entities
Upstream Bio, Inc.
Reg. No. 2022626United States
Social engagement
Social engagement: 12.3K social following, 10 posts in the last 12 months — below the industry typical range.
Investor mix
13 investors on record; lead investors include Maruho, Orbimed, Enavate Sciences, Venrock.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 9 | 69% |
| Other / undisclosed | 4 | 31% |
Hiring activity
Hires periodically
4 roles tracked across 3 of the last 12 months
2 Jul 2026 · Senior Director, Supply Chain Management · Waldham, Massachusetts
16 Jun 2026 · Director, Project Lead, Combination Products and Devices · Waldham, Massachusetts
22 May 2026 · Senior Director, New Product Planning · Waldham, Massachusetts
Based on job postings tracked across public sources.
Recent activity
10 Jun 2026
Event
fireside chat at Goldman Sachs 47th Annual Global Healthcare Conference
8 Jun 2026
Event
EAACI2026
3 Jun 2026
Event
Goldman Sachs 47th Annual Global Healthcare Conference