Quick Answer
MBX Biosciences, Inc. reported Shares Outstanding of 44.93 million shares for fiscal year 2025.
MBX Biosciences, Inc. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 44.93M | +34.4% |
| 2024 | 33.42M | +2558.7% |
| 2023 | 1.26M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 44.72M | +34.0% | +33.1% |
| June 30, 2025 | 33.59M | — | +0.5% |
| March 31, 2025 | 33.42M | — | +0.0% |
| December 31, 2024 | 33.42M | +2558.7% | +0.1% |
| September 30, 2024 | 33.38M | — | +2555.0% |
| December 31, 2023 | 1.26M | — | — |
- MBX Biosciences, Inc. showed an increase of +34.4% in Shares Outstanding compared to the prior fiscal year.
- Over the 2023–2025 period, MBX Biosciences, Inc.’s shares outstanding has grown by 3474.0% (from 1.26 million shares to 44.93 million shares).
- The most recent figure is from MBX Biosciences, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 12, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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