Quick Answer
ASPEN AEROGELS INC reported Shares Outstanding of 82.71 million shares for fiscal year 2025.
ASPEN AEROGELS INC Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 82.71M | +0.8% |
| 2024 | 82.04M | +7.2% |
| 2023 | 76.50M | +9.3% |
| 2022 | 69.99M | +110.7% |
| 2021 | 33.22M | +19.4% |
| 2020 | 27.82M | +14.5% |
| 2019 | 24.30M | +1.4% |
| 2018 | 23.97M | +1.4% |
| 2017 | 23.64M | +1.2% |
| 2016 | 23.37M | +0.8% |
| 2015 | 23.18M | +0.8% |
| 2014 | 22.99M | +732838.3% |
| 2013 | 3,137 | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 82.56M | +7.0% | +0.4% |
| June 30, 2025 | 82.25M | +6.7% | +0.1% |
| March 31, 2025 | 82.17M | +8.0% | +0.2% |
| December 31, 2024 | 82.04M | +7.2% | +6.3% |
| September 30, 2024 | 77.16M | +9.9% | +0.1% |
| June 30, 2024 | 77.08M | +9.9% | +1.3% |
| March 31, 2024 | 76.08M | +8.6% | -0.6% |
| December 31, 2023 | 76.50M | +9.3% | +8.9% |
- ASPEN AEROGELS INC showed an increase of +0.8% in Shares Outstanding compared to the prior fiscal year.
- Over the 2013–2025 period, ASPEN AEROGELS INC’s shares outstanding has grown by 2636538.5% (from 3.1 thousand shares to 82.71 million shares).
- The most recent figure is from ASPEN AEROGELS INC’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 13, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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