Pictet Asset Management’s Upstream Bio Inc UPB Stock Holding History

Pictet Asset Management’s Portfolio UPB Stock Details UPB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-733,431	Closed	-$6.6M	–	2217
2026 Q1	$6.6M	Sell	733,431 -39,717	-5%	-$715K	0.01%	742
2025 Q4	$21M	Buy	+773,148	New	+$19.2M	0.02%	527

Other funds holding UPB

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Decheng Capital Menlo Park, California $732M AUM 275.56% 1-Year Est. Return

Enavate Sciences Menlo Park, California $345M AUM 134.64% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Pictet Asset Management's UPB Position: Q2 2026 in Review

Pictet Asset Management sold out of Upstream Bio Inc (UPB) in Q2 2026, closing a stake of 733,431 shares — an estimated $6.6M sold.

Pictet Asset Management first reported a position in UPB in Q4 2025 and held it in 2 quarters. The position peaked at $21M in Q4 2025. 149 funds tracked by Wall St. Rank hold UPB as of Q2 2026.

Pictet Asset Management reported no remaining Upstream Bio Inc position as of Q2 2026 after selling out during the quarter.
Pictet Asset Management sold 733,431 Upstream Bio Inc shares in Q2 2026, an estimated $6.6M.
Pictet Asset Management first reported a position in Upstream Bio Inc in Q4 2025 and held it in 2 quarters.
Pictet Asset Management's Upstream Bio Inc position peaked at $21M in Q4 2025.
149 funds tracked by Wall St. Rank held Upstream Bio Inc as of Q2 2026.

Based on Pictet Asset Management's 13F filing for Q2 2026, filed 30 Jul 2026.