Upstream Bio, Inc.

Pharmaceutical company · Waltham, Massachusetts, United States · Nasdaq: UPB

Upstream Bio, Inc. is a pharmaceutical company headquartered in Waltham, Massachusetts, United States. Its shares trade on Nasdaq under the ticker UPB.

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Upstream Bio at a glance

Typepharmaceutical company

HeadquartersWaltham, Massachusetts, United States

Stock listingNasdaq: UPB

SEC industryPharmaceutical Preparations

SEC CIK2022626

Frequently asked questions about Upstream Bio

Where is Upstream Bio headquartered?

Upstream Bio, Inc. is headquartered in Waltham, Massachusetts, United States.

What does Upstream Bio do?

Upstream Bio, Inc. is a pharmaceutical company. Its SEC industry classification is Pharmaceutical Preparations.

Is Upstream Bio a public company?

Yes. Upstream Bio, Inc. trades on Nasdaq under the ticker UPB.

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Last updated 2026-09-23. Data licences