Quick Answer
Upstream Bio, Inc. reported Stockholders Equity of $339.77 million for fiscal year 2025.
Upstream Bio, Inc. Stockholders Equity — Annual History
| Fiscal Year | Stockholders Equity | YoY Change |
|---|---|---|
| 2025 | $339.77M | -27.7% |
| 2024 | $469.85M | +481.6% |
| 2023 | -$123.13M | -16.0% |
| 2022 | -$106.16M | — |
Quarterly Stockholders Equity
| Quarter Ending | Stockholders Equity | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $378.58M | +336.2% | -7.4% |
| June 30, 2025 | $408.74M | +378.8% | -8.3% |
| March 31, 2025 | $445.61M | +434.0% | -5.2% |
| December 31, 2024 | $469.85M | +481.6% | +393.1% |
| September 30, 2024 | -$160.31M | -42.9% | -9.3% |
| June 30, 2024 | -$146.61M | -33.4% | -9.9% |
| March 31, 2024 | -$133.41M | -23.6% | -8.3% |
| December 31, 2023 | -$123.13M | -16.0% | -9.7% |
- Upstream Bio, Inc. showed a decrease of -27.7% in Stockholders Equity compared to the prior fiscal year.
- Over the 2022–2025 period, Upstream Bio, Inc.’s stockholders equity has grown by 420.1% (from -$106.16 million to $339.77 million).
- The most recent figure is from Upstream Bio, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 26, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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