Upstream Bio, Inc. Quarterly Weighted Average Number of Shares Outstanding, Basic from Q3 2023 to Q2 2025

Taxonomy & unit
us-gaap: shares
Description
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
Summary
Upstream Bio, Inc. quarterly/annual Weighted Average Number of Shares Outstanding, Basic history and growth rate from Q3 2023 to Q2 2025.
  • Upstream Bio, Inc. Weighted Average Number of Shares Outstanding, Basic for the quarter ending June 30, 2025 was 53.8M shares, a 1687% increase year-over-year.
  • Upstream Bio, Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2024 was 13.7M shares, a 363% increase from 2023.
Weighted Average Number of Shares Outstanding, Basic, Quarterly (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Quarterly Growth (%)
Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed
Q2 2025 53.8M +50.8M +1687% Apr 1, 2025 Jun 30, 2025 10-Q 2025-08-06
Q1 2025 53.6M +50.6M +1690% Jan 1, 2025 Mar 31, 2025 10-Q 2025-05-06
Q4 2024 13.7M Oct 1, 2024 Dec 31, 2024 10-K 2025-03-12
Q3 2024 3.02M +64.4K +2.18% Jul 1, 2024 Sep 30, 2024 10-Q 2024-11-07
Q2 2024 3.01M Apr 1, 2024 Jun 30, 2024 10-Q 2025-08-06
Q1 2024 3M Jan 1, 2024 Mar 31, 2024 10-Q 2025-05-06
Q3 2023 2.96M Jul 1, 2023 Sep 30, 2023 10-Q 2024-11-07
* An asterisk sign (*) next to the value indicates that the value is likely invalid.