Virtu Financial’s Upstream Bio Inc UPB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-12,246
Closed -$332K 2456
2025
Q4
$332K Buy
+12,246
New +$305K 0.01% 802

Other funds holding UPB

Virtu Financial's UPB Position: Q1 2026 in Review

Virtu Financial sold out of Upstream Bio Inc (UPB) in Q1 2026, closing a stake of 12,246 shares — an estimated $332K sold.

Virtu Financial first reported a position in UPB in Q4 2025 and held it in 1 quarter. The position peaked at $332K in Q4 2025. 140 funds tracked by Wall St. Rank hold UPB as of Q1 2026.

  • Virtu Financial reported no remaining Upstream Bio Inc position as of Q1 2026 after selling out during the quarter.
  • Virtu Financial sold 12,246 Upstream Bio Inc shares in Q1 2026, an estimated $332K.
  • Virtu Financial first reported a position in Upstream Bio Inc in Q4 2025 and held it in 1 quarter.
  • Virtu Financial's Upstream Bio Inc position peaked at $332K in Q4 2025.
  • 140 funds tracked by Wall St. Rank held Upstream Bio Inc as of Q1 2026.

Based on Virtu Financial's 13F filing for Q1 2026, filed 14 May 2026.