Dimensional Fund Advisors’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
$719K Buy
+80,002
New +$1.44M ﹤0.01% 2897

Other funds holding UPB

Dimensional Fund Advisors's UPB Position: Q1 2026 in Review

Dimensional Fund Advisors opened a new position in Upstream Bio Inc (UPB) in Q1 2026: 80,002 shares worth $719K. The stake represents ﹤0.01% of the portfolio and ranks #2897 among its holdings.

140 funds tracked by Wall St. Rank hold UPB as of Q1 2026.

  • Dimensional Fund Advisors held 80,002 shares of Upstream Bio Inc worth $719K as of Q1 2026.
  • Upstream Bio Inc was a new Dimensional Fund Advisors position in Q1 2026.
  • Upstream Bio Inc made up ﹤0.01% of Dimensional Fund Advisors's portfolio in Q1 2026, its #2897 holding.
  • 140 funds tracked by Wall St. Rank held Upstream Bio Inc as of Q1 2026.

Based on Dimensional Fund Advisors's 13F filing for Q1 2026, filed 7 May 2026.