Caitong International Asset Management’s Upstream Bio Inc UPB Stock Holding History

Caitong International 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	-23	Closed	-$207	–	3519
2026 Q1	$207	Buy	+23	New	+$414	﹤0.01%	1875
2025 Q3	–	Sell	-224	Closed	-$2.46K	–	2621
2025 Q2	$2.46K	Buy	+224	New	+$2.07K	﹤0.01%	1316
2025 Q1	–	Sell	-44	Closed	-$723	–	2586
2024 Q4	$723	Buy	+44	New	+$982	﹤0.01%	1393

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

Caitong International Asset Management's UPB Position: Q2 2026 in Review

Caitong International Asset Management sold out of Upstream Bio Inc (UPB) in Q2 2026, closing a stake of 23 shares — an estimated $207 sold.

Caitong International Asset Management first reported a position in UPB in Q4 2024 and held it in 3 quarters. The position peaked at $2.46K in Q2 2025. 148 funds tracked by Wall St. Rank hold UPB as of Q2 2026.

Caitong International Asset Management reported no remaining Upstream Bio Inc position as of Q2 2026 after selling out during the quarter.
Caitong International Asset Management sold 23 Upstream Bio Inc shares in Q2 2026, an estimated $207.
Caitong International Asset Management first reported a position in Upstream Bio Inc in Q4 2024 and held it in 3 quarters.
Caitong International Asset Management's Upstream Bio Inc position peaked at $2.46K in Q2 2025.
148 funds tracked by Wall St. Rank held Upstream Bio Inc as of Q2 2026.

Based on Caitong International Asset Management's 13F filing for Q2 2026, filed 5 Aug 2026.