- Ownership hops held
- 32
An absent edge means not yet observed — never does not exist.
Upstream Bio, Inc.
Upstream Bio, Inc. — US company (sec:0002022626). UBO chain traced 32 hops, 11 owners. Every claim linked to its source.
Ownership resolves 32 hops deep toward the ultimate beneficial owner.
Investigative lead by resolved identity, not a legal determination.
Ownership & control
Links are shown as observed in a source registry — we do not currently hold ownership end dates, so a link here may since have ended. Each row carries its source; check it before relying on currency.
- Upstream Bio, Inc.
None in current sources.
32-step ownership / control trace to the ultimate beneficial owner — cited at every hop. Unlock the full chain.
Everything we hold on this subject, for one price — every hop to the ultimate owner, filing history, sanctions exposure, and the asset layer (property, vessels, aircraft) — as PDF and JSON, every claim linked to its source.
Everything we hold on Upstream Bio, Inc., resolved and sourced — yours to keep, no subscription.
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- Identity, address & registry profile
- Sanctions & watchlist detail
- Direct connections (1 hop)
- Community notes
2 more items, hidden until you unlock this dossier. The badge on each row names the dossier that includes it.
- Full ownership trace to the UBODOSSIER
- Full export (PDF + un-redacted JSON) & change alertsDOSSIER
People & control
17 parties · 0 currentEvery officer, person with significant control and cross-company role we hold, resolved into one entry per party. Roles are registry records, not a claim of control.
- ACCESS INDUSTRIES HOLDINGS LLCAlso holds roles at 18 other companies
- DigitalOcean Holdings, Inc.other
- Warner Music Group Corp.tenpercentowner
- Day One Biopharmaceuticals, Inc.tenpercentowner
- ACCESS INDUSTRIES MANAGEMENT, LLCAlso holds roles at 20 other companies
- Warner Music Group Corp.tenpercentowner
- HEMAB THERAPEUTICS HOLDINGS, INC.tenpercentowner
- OnKure Therapeutics, Inc.tenpercentowner
- AI BIOTECHNOLOGY LLCAlso holds roles at 5 other companies
- OnKure Therapeutics, Inc.tenpercentowner
- HEMAB THERAPEUTICS HOLDINGS, INC.tenpercentowner
- Zura Bio Ltdtenpercentowner
- Beckman DaniellaAlso holds roles at 6 other companies
- Tango Therapeutics, Inc.officer
- Vor Biopharma Inc.director
- Blueprint Medicines Corpdirector
- BLAVATNIK LENAlso holds roles at 22 other companies
- OnKure Therapeutics, Inc.tenpercentowner
- Day One Biopharmaceuticals, Inc.tenpercentowner
- Warner Music Group Corp.tenpercentowner
- CHIMOVITS EREZAlso holds roles at 8 other companies
- BiomX Inc.tenpercentowner
- Adicet Bio, Inc.tenpercentowner
- Adicet Bio, Inc.director
- Fleming Harold EdwardAlso holds roles at 2 other companies
- Sionna Therapeutics, Inc.director
- CRISPR Therapeutics AGdirector
- GRAY MICHAELAlso holds roles at 5 other companies
- Enliven Therapeutics, Inc.officer
- POINT BIOPHARMA GLOBAL INC.director
- X4 Pharmaceuticals, Incofficer
- ORBIMED ADVISORS ISRAEL II LTDAlso holds roles at 9 other companies
- Adicet Bio, Inc.tenpercentowner
- Adicet Bio, Inc.director
- Galecto, Inc.tenpercentowner
- ORBIMED ADVISORS LLCAlso holds roles at 171 other companies
- Disc Medicine, Inc.director
- MBX Biosciences, Inc.10% owner
- Sionna Therapeutics, Inc.director
- OrbiMed Capital GP VIII LLCAlso holds roles at 14 other companies
- Disc Medicine, Inc.director
- Sionna Therapeutics, Inc.director
- Traws Pharma, Inc.10% owner
- ORBIMED ISRAEL GP II, L.P.Also holds roles at 9 other companies
- Adicet Bio, Inc.tenpercentowner
- Adicet Bio, Inc.director
- Galecto, Inc.tenpercentowner
- RATCLIFFE LIAMAlso holds roles at 24 other companies
- Disc Medicine, Inc.director
- OnKure Therapeutics, Inc.director
- Climb Bio, Inc.director
- RENAUD RONALD C JRAlso holds roles at 16 other companies
- KERYX BIOPHAMAEUTICALS INCofficer
- KAILERA THERAPEUTICS, INC.officer
- KAILERA THERAPEUTICS, INC.director
- Ruddy Marcella K.Also holds roles at 2 other companies
- Sionna Therapeutics, Inc.director
- Tectonic Therapeutic, Inc.officer
- Sutherland Everett RandAlso holds roles at 3 other companies
- Krystal Biotech, Inc.director
- Allakos Inc.director
- RANA THERAPEUTICS, INC.officer
- Wellington Biomedical Innovation Master Investors (Cayman) II L.P.Also holds roles at 6 other companies
- Metsera, Inc.10% owner
- AVALYN PHARMA INC.tenpercentowner
- Metsera, Inc.tenpercentowner
17 parties · 0 current. Ceased and resigned records are retained as history.
Common questions
- Who owns Upstream Bio, Inc.?
- What is Upstream Bio, Inc.'s risk level?
- Where does Upstream Bio, Inc. appear across sources?
Community intel
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