Upstream Bio (UPB) Shares Issued (2023 - 2026)

Upstream Bio's Shares Issued history runs 4 years deep, the most recent figure standing at $9.0 million for Q1 2026.

• On a quarterly basis, Shares Issued rose 310.48% year-over-year to $9.0 million in Q1 2026; TTM through Mar 2026 was $9.0 million, a 310.48% increase from a year earlier, with the FY2025 full-year figure at $8.0 million, up 22.65% from the prior year.
• Shares Issued rose to $9.0 million in Q1 2026 per UPB's latest filing, from $8.0 million in the prior quarter.
• Across five years, Shares Issued topped out at $9.0 million in Q1 2026 and bottomed at $1.9 million in Q3 2024.
• The 4-year median for Shares Issued is $7.2 million (2024), against an average of $6.0 million.
• Biggest YoY gain for Shares Issued was 337.15% in 2025; the steepest drop was 22.65% in 2025.
• Year by year, Shares Issued stood at $4.2 million in 2023, then jumped by 55.79% to $6.5 million in 2024, then rose by 22.65% to $8.0 million in 2025, then rose by 13.07% to $9.0 million in 2026.
• Per Business Quant, the three latest UPB Shares Issued figures stand at $9.0 million (Q1 2026), $8.0 million (Q4 2025), and $8.1 million (Q3 2025).