Upstream Bio Ownership | Who Owns Upstream Bio?

Upstream Bio Ownership Summary

Upstream Bio is owned by 84.50% institutional investors, 19.81% insiders.

UPB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Upstream Bio	84.50%	19.81%	-4.31%
Sector	Healthcare Stocks	278.45%	10.60%	-189.04%
Industry	Biotech Stocks	63.84%	10.66%	25.50%

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	77	-	45,306,251	-	84	-	77	-	-	-

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	-	-

UPB Ownership FAQ

Who Owns Upstream Bio?

Upstream Bio shareholders are primarily institutional investors at 84.50%, followed by 19.81% insiders and -4.31% retail investors. The average institutional ownership in Upstream Bio's industry, Biotech Stocks , is 63.84%, which Upstream Bio exceeds.

Does Blackrock own Upstream Bio?

BlackRock is not among the top 10 institutional shareholders of Upstream Bio.

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