UPB institutional holders

UPSTREAM BIO INC · 13F, 2026Q2

Managers holding149
Shares held50,573,705
Reported value$350.1m
Quarter flows38 new, 65 added, 28 trimmed, 29 exited

Top 25 holders

ManagerSharesValue% of manager's 13F
FMR LLC8,162,897$56.5m0.0%
ORBIMED ADVISORS LLC5,693,589$39.4m0.7%
NORGES BANK3,768,619$26.1m0.0%
BlackRock, Inc.3,753,358$26.0m0.0%
Decheng Capital LLC2,724,868$18.9m2.6%
ENAVATE SCIENCES GP, LLC2,459,703$17.0m4.9%
VANGUARD CAPITAL MANAGEMENT LLC1,876,734$13.0m0.0%
MILLENNIUM MANAGEMENT LLC1,143,775$7.9m0.0%
D. E. Shaw & Co., Inc.1,036,044$7.2m0.0%
JPMORGAN CHASE & CO1,012,044$7.0m0.0%
Qube Research & Technologies Ltd978,500$6.8m0.0%
Parkman Healthcare Partners LLC935,247$6.5m0.7%
GEODE CAPITAL MANAGEMENT, LLC931,261$6.4m0.0%
SEB Asset Management AB878,473$6.1m0.0%
Woodline Partners LP831,481$5.8m0.0%
STATE STREET CORP766,323$5.3m0.0%
VANGUARD PORTFOLIO MANAGEMENT LLC712,667$4.9m0.0%
Y-Intercept (Hong Kong) Ltd693,555$4.8m0.1%
Bain Capital Life Sciences Investors, LLC600,949$4.2m0.2%
AQR CAPITAL MANAGEMENT LLC544,869$3.8m0.0%
MORGAN STANLEY524,632$3.6m0.0%
BNP PARIBAS FINANCIAL MARKETS511,546$3.5m0.0%
Walleye Capital LLC498,490$3.4m0.0%
Trexquant Investment LP466,430$3.2m0.0%
Point72 Asset Management, L.P.453,011$3.1m0.0%

Every holder, line by line, and the full history since 2013: yf.Client().holders("UPB"). UPB price history · All 13F data

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