SSA
UPB

Schonfeld Strategic Advisors’s Upstream Bio Inc UPB Stock Holding History

Schonfeld Strategic Advisors’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
Q1 		$1.45M Buy
161,349
+45,542
+39% +$819K 0.01% 939
2025
Q4 		$3.14M Sell
115,807
-74,437
-39% -$1.85M 0.01% 721
2025
Q3 		$3.58M Sell
190,244
-175,546
-48% -$2.73M 0.02% 746
2025
Q2 		$4.02M Buy
365,790
+187,806
+106% +$1.73M 0.03% 642
2025
Q1 		$1.09M Buy
+177,984
New +$1.7M 0.01% 1251

Other funds holding UPB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
O
OrbiMed New York $5.05B AUM 125.28% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DC
Decheng Capital Menlo Park, California $661M AUM 299.97% 1-Year Est. Return
ES
Enavate Sciences Menlo Park, California $352M AUM 220.14% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
YIH
Y-Intercept (HK) Hong Kong $5.05B AUM 17.89% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Schonfeld Strategic Advisors's UPB Position: Q1 2026 in Review

Schonfeld Strategic Advisors increased its Upstream Bio Inc (UPB) stake by 39% in Q1 2026, buying an estimated $819K and bringing the position to 161,349 shares worth $1.45M. The position accounts for 0.01% of the portfolio, ranked #939.

Schonfeld Strategic Advisors first reported a position in UPB in Q1 2025 and has held it in 5 quarters since. The position peaked at $4.02M in Q2 2025. 140 funds tracked by Wall St. Rank hold UPB as of Q1 2026.

  • Schonfeld Strategic Advisors held 161,349 shares of Upstream Bio Inc worth $1.45M as of Q1 2026.
  • Schonfeld Strategic Advisors bought 45,542 Upstream Bio Inc shares in Q1 2026, an estimated $819K.
  • Upstream Bio Inc made up 0.01% of Schonfeld Strategic Advisors's portfolio in Q1 2026, its #939 holding.
  • Schonfeld Strategic Advisors first reported a position in Upstream Bio Inc in Q1 2025 and has held it in 5 quarters since.
  • Schonfeld Strategic Advisors's Upstream Bio Inc position peaked at $4.02M in Q2 2025.
  • 140 funds tracked by Wall St. Rank held Upstream Bio Inc as of Q1 2026.

Based on Schonfeld Strategic Advisors's 13F filing for Q1 2026, filed 15 May 2026.