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Sphera Funds Management Ltd.

SEC CIK
0001496201
Latest filing
Aug 14, 2026

UPB holding history

Upstream Bio, Inc. in every 13F filed by Sphera Funds Management Ltd., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

UPB overviewAll 13F holders of UPBFull Q2 2026 holdings

Shares (Q2 2026)
219,700
Value
$1.52M
% of portfolio
0.2%
Quarters held
2
Since Q1 2026
Holdings of UPB by Sphera Funds Management Ltd., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026219,700$1.52M0.2%−138,300−38.6%ReducedHolders
Q1 2026358,000$3.22M0.6%+358,000NewHolders