340.12MMarket Cap
LossP/E TTM
Institutional Confidence
Currency: USD Updated: 2026-06-18The current institutional shareholding score of Upstream Bio Inc is 10.00, ranking 1 out of 389 in the Biotechnology & Medical Research industry. The latest institutional shareholding proportion is 103.41%, representing a quarter-over-quarter increase of 11.33%. The largest institutional shareholder is Steven Cohen, holding a total of 193.70K shares, representing 0.33% of shares outstanding, with 0.79% increase in holdings.
Institutional Shareholding
Shareholder Activity
Fidelity Management & Research Company LLC
Norges Bank Investment Management (NBIM)
BlackRock Institutional Trust Company, N.A.
Janus Henderson Investors