IO Biotech IOBTQ
OTC IOBTQ
$0.00 +0.00 (+0.00%)
At close: Aug 19, 2026 · 4:00 PM EDT

IO Biotech, Inc. (IOBTQ) Shares Outstanding (2020 - 2025)

IO Biotech's (IOBTQ) quarterly Shares Outstanding (Entity) came in at $69.7 million in Q3 2025, up 5.79% YoY from $65.9 million in Q3 2024, and up 5.79% on a QoQ basis from $65.9 million in Q2 2025.

IO Biotech, Inc. (IOBTQ) Shares Outstanding (2020 - 2025) Analysis & Trends

IO Biotech (IOBTQ) has 6 years of Shares Outstanding (Entity) data on file, last reported at $69.7 million in Q3 2025.

  • Quarterly Shares Outstanding (Entity) rose 5.79% year-over-year to $69.7 million in Q3 2025, while the trailing twelve-month figure through Sep 2025 was $69.7 million (up 5.79% YoY) and the FY2024 annual result came in at $65.9 million, up 51.31% from the prior year.
  • Shares Outstanding (Entity) rose to $69.7 million in Q3 2025, from $65.9 million in the prior quarter.
  • In the past five years, Shares Outstanding (Entity) ranged from a high of $69.7 million in Q3 2025 to a low of $177200.0 in Q1 2021.
  • A 5-year average of $38.8 million and a median of $28.8 million in 2022 frame the typical range for Shares Outstanding (Entity).
  • Annual changes were most pronounced in 2021 — Shares Outstanding (Entity) changed 0.0% — and 2022, when it soared 16161.44%.
  • Tracing IOBTQ's Shares Outstanding (Entity) over 5 years: stood at $4.3 million in 2021, then surged by 564.62% to $28.8 million in 2022, then soared by 51.1% to $43.5 million in 2023, then jumped by 51.31% to $65.9 million in 2024, then climbed by 5.79% to $69.7 million in 2025.
  • The last three Shares Outstanding (Entity) figures came in at $69.7 million (Q3 2025), $65.9 million (Q2 2025), and $65.9 million (Q1 2025), per Business Quant data.

Peer Comparison

Historic Data

Download Data
DateValue
Sep 30, 2025 66.94 Mn
Jun 30, 2025 65.88 Mn
Mar 31, 2025 65.88 Mn
Dec 31, 2024 65.88 Mn
Sep 30, 2024 65.88 Mn
Jun 30, 2024 65.88 Mn
Mar 31, 2024 65.88 Mn
Dec 31, 2023 43.54 Mn
Sep 30, 2023 50.17 Mn
Jun 30, 2023 28.82 Mn
Mar 31, 2023 28.82 Mn
Dec 31, 2022 28.82 Mn
Sep 30, 2022 28.82 Mn
Jun 30, 2022 28.82 Mn
Mar 31, 2022 28.82 Mn
Dec 31, 2021 4.34 Mn
Sep 30, 2021 177,200.00
Jun 30, 2021 177,200.00
Mar 31, 2021 177,200.00
Dec 31, 2020 177,200.00