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Davidson Kempner Capital Management’s Upstream Bio Inc UPB Stock Holding History

Davidson Kempner Capital 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
2025
Q1 		– Sell
-12,500
Closed -$205K – 248
2024
Q4 		$205K Buy
+12,500
New +$279K ﹤0.01% 161

Other funds holding UPB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
O
OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return
DC
Decheng Capital Menlo Park, California $732M AUM 275.56% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
ES
Enavate Sciences Menlo Park, California $345M AUM 134.64% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return
VA
VR Adviser New York $3.3B AUM 525.74% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.22B AUM 242.83% 1-Year Est. Return
OFM
Omega Fund Management Boston, Massachusetts $186M AUM 155.23% 1-Year Est. Return

Davidson Kempner Capital Management's UPB Position: Q1 2025 in Review

Davidson Kempner Capital Management sold out of Upstream Bio Inc (UPB) in Q1 2025, closing a stake of 12,500 shares — an estimated $205K sold.

Davidson Kempner Capital Management first reported a position in UPB in Q4 2024 and held it in 1 quarter. The position peaked at $205K in Q4 2024. 79 funds tracked by Wall St. Rank hold UPB as of Q1 2025.

  • Davidson Kempner Capital Management reported no remaining Upstream Bio Inc position as of Q1 2025 after selling out during the quarter.
  • Davidson Kempner Capital Management sold 12,500 Upstream Bio Inc shares in Q1 2025, an estimated $205K.
  • Davidson Kempner Capital Management first reported a position in Upstream Bio Inc in Q4 2024 and held it in 1 quarter.
  • Davidson Kempner Capital Management's Upstream Bio Inc position peaked at $205K in Q4 2024.
  • 79 funds tracked by Wall St. Rank held Upstream Bio Inc as of Q1 2025.

Based on Davidson Kempner Capital Management's 13F filing for Q1 2025, filed 15 May 2025.