Upstream Bio, Inc. (UPB) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding
0Shares held by institutions
$0Value of institutional holdings
0.00%Institutional ownership %
0.00%Shares Changed QoQ
0No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

138 Institutional Holders

0 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
FMR LLC 31 Mar, 2026 8,101,563 583,361 7.76% $72,914,070.00
ORBIMED ADVISORS LLC 31 Mar, 2026 5,693,589 0 0.00% $51,242,301.00
BlackRock, Inc. 31 Mar, 2026 3,370,689 26,185 0.78% $30,336,201.00
Decheng Capital LLC 31 Mar, 2026 2,724,868 -418,210 -13.31% $24,523,812.00
Enavate Sciences GP, LLC 31 Mar, 2026 2,459,703 0 0.00% $22,137,327.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 1,873,574 1,873,574 0.00% $16,862,166.00
Y-Intercept (Hong Kong) Ltd 31 Mar, 2026 1,000,631 954,072 2,049.17% $9,005,679.00
Federated Hermes, Inc. 31 Mar, 2026 979,758 979,276 203,169.30% $8,817,822.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 950,617 98,709 11.59% $8,557,453.00
MILLENNIUM MANAGEMENT LLC 31 Mar, 2026 937,323 420,059 81.21% $8,435,907.00
SEB Asset Management AB 31 Mar, 2026 878,473 878,473 0.00% $7,906,247.00
Bain Capital Life Sciences Investors, LLC 31 Mar, 2026 867,211 -462,333 -34.77% $7,804,899.00
Woodline Partners LP 31 Mar, 2026 831,481 71,229 9.37% $7,483,329.00
D. E. Shaw & Co., Inc. 31 Mar, 2026 820,480 793,389 2,928.61% $7,384,320.00
Parkman Healthcare Partners LLC 31 Mar, 2026 786,783 786,783 0.00% $7,081,047.00
Samsara BioCapital, LLC 31 Mar, 2026 736,047 0 0.00% $6,624,423.00
Pictet Asset Management Holding SA 31 Mar, 2026 733,431 -39,717 -5.14% $6,600,879.00
VANGUARD PORTFOLIO MANAGEMENT LLC 31 Mar, 2026 727,711 727,711 0.00% $6,549,399.00
State Street Corp 31 Mar, 2026 705,350 -613,876 -46.53% $6,348,150.00
HSBC HOLDINGS PLC 31 Mar, 2026 640,326 640,326 0.00% $5,762,934.00