NASDAQ: UPB
Upstream Bio Inc Stock Ownership - Who owns Upstream Bio?

Insider buying vs selling

Have Upstream Bio Inc insiders been buying or selling?

No trades
There has been no insiders buying vs selling in the past 12 months.

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UPB Shareholders

What type of owners hold Upstream Bio Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Fmr LLC13.91%7,518,202$69.39MInstitution
Erez Chimovits10.76%5,813,673$53.66MInsider
Orbimed Advisors LLC10.76%5,813,673$53.66MInsider
Orbimed Advisors LLC10.54%5,693,589$52.55MInstitution
Ai Upstream LLC10.17%5,494,410$50.71MInsider
Blackrock Inc6.19%3,344,504$30.87MInstitution
Decheng Capital LLC5.82%3,143,078$29.01MInstitution
Norges Bank5.33%2,882,647$26.61MInstitution
Enavate Sciences GP LLC4.55%2,459,703$22.70MInstitution
Vanguard Group Inc4.42%2,388,439$22.05MInstitution

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UPB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
UPB73.77%26.23%
VNDA50.29%49.71%Net SellingNet Selling
CRMD53.08%9.65%Net SellingNet Selling
VSTM60.59%39.41%Net SellingNet Selling
RCKT48.97%51.03%Net SellingNet Selling

Upstream Bio Stock Ownership FAQ

Who owns Upstream Bio?

Upstream Bio (NASDAQ: UPB) is owned by 94.70% institutional shareholders, 33.68% Upstream Bio insiders, and 0.00% retail investors. Erez Chimovits is the largest individual Upstream Bio shareholder, owning 5.81M shares representing 10.76% of the company. Erez Chimovits's Upstream Bio shares are currently valued at $55.87M.

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