ASPEN AEROGELS INC (ASPN)
As-reported financials and SEC filings for ASPEN AEROGELS INC. The latest annual period is FY2025. The latest reported quarter is Q2 FY2026. Financial statements come straight from the company’s EDGAR filings; valuation figures such as P/E and market cap use market data.
About ASPEN AEROGELS INC
Aspen Aerogels Inc designs, develops, and manufactures high-performance aerogel materials primarily for the energy industrial, sustainable insulation, and electric vehicle markets. Its main products include PyroThin aerogel thermal barriers used in electric vehicle battery packs to enhance safety and performance, and Pyrogel and Cryogel aerogel insulation products used in energy industrial facilities such as refineries and petrochemical plants. The company serves automotive manufacturers, energy producers, and industrial operators globally.
Snapshot
Fundamentals are from SEC filings for FY2025, the latest annual period (ended December 31, 2025). P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.
What changed at Aspen Aerogels
- Revenue fell 40.1% to $271M in FY2025, slower than the 89.6% the year before.
- Operating margin is -139.5% in FY2025, -106.1 pp against -33.4% in FY2021.
- Most recent quarter Q2 FY2026: revenue $50M, down 36.1% from Q2 FY2025.
- Free cash flow was negative $5M in FY2025.
- Net income turned to a $390M loss in FY2025, from a $13M profit in FY2024.
Computed from the as-reported figures in the statements below. A change we cannot state from filed figures is left out rather than estimated.
Peer comparison
Where Aspen Aerogels’s fundamentals sit among the 684 Industrials companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).
Aspen Aerogels’s revenue growth of -40.1% ranks in the 3rd percentile of the 668 Industrials companies reporting it. Aspen Aerogels’s return on equity of -165.4% ranks in the 4th percentile of the 600 Industrials companies reporting it.
No reported insider transactions (codes P/S) in the last 90 days. For context, about 15% of companies in the universe saw any reported insider purchase (code P) in the same window. Browse insider activity →
Percentiles describe where a figure sits among sector peers reporting it (100th = highest). They are position within a peer group, not a rating, and not investment advice. Short interest ranking uses days to cover from FINRA Consolidated Short Interest data; FINRA is the owner and source of that data, included at no additional charge.
Institutional ownership
Held by 7 quant / multi-strat books among the superinvestors we track; no conviction manager currently reports a position.
| Investor | As of | Position value | Shares | Change |
|---|---|---|---|---|
| AQR Capital Managementquant | Q2 2026 | $8.1M | 1.3M | Added |
| Millennium Managementquant | Q2 2026 | $7.5M | 1.2M | Reduced |
| D. E. Shawquant | Q2 2026 | $6.8M | 1.1M | Added |
| Two Sigma Investmentsquant | Q2 2026 | $4.9M | 779.5K | Added |
| Renaissance Technologiesquant | Q2 2026 | $1.7M | 274.4K | New |
| Citadel Advisorsquant | Q2 2026 | $1.5M | 238.7K | Reduced |
| Point72 Asset Managementquant | Q2 2026 | $57,098 | 9.0K | Reduced |
From quarterly Form 13F filings, which can be up to 45 days delayed. Long US-listed positions only: excludes short positions, options, cash, bonds, and non-US holdings, so this is not a manager’s complete portfolio. Counts are of the investors we track, not all institutions. Not investment advice.
Short interest
Total shares sold short as of each twice-monthly FINRA settlement. Rising short interest means more investors are positioned against the stock; days to cover estimates how many trading days of average volume that position represents.
| Settlement | Shares short | Change | Days to cover |
|---|---|---|---|
| 2026-08-14 | 8.1M | -8.6% | 3.22 |
| 2026-07-31 | 8.8M | +7.6% | 8.96 |
| 2026-07-15 | 8.2M | +15.8% | 8.41 |
| 2026-06-30 | 7.1M | -0.1% | 3.76 |
| 2026-06-15 | 7.1M | +0.3% | 5.78 |
| 2026-05-29 | 7.1M | -8.4% | 4.62 |
| 2026-05-15 | 7.7M | -3.3% | 3.12 |
| 2026-04-30 | 8.0M | +14.0% | 5.02 |
Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data, which is included at no additional charge for your own personal or professional use; republishing or redistributing it is not permitted. Settlement dates are shown; FINRA publishes each settlement about nine business days later, so the latest figure can be two to four weeks old. Not presented as a percentage of float. No FINRA endorsement of this product is implied. Not investment advice.
Income statement (as reported)
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|
| Revenue | $271.1M | $452.7M | $238.7M | $180.4M | $121.6M |
| Gross profit | $46.0M | $182.9M | $56.9M | $5.0M | $9.9M |
| Operating income | $-378.2M | $54.5M | $-49.2M | $-79.2M | $-40.6M |
| Net income | $-389.6M | $13.4M | $-45.8M | $-82.7M | $-37.1M |
| Diluted EPS | $-4.73 | $0.17 | $-0.66 | $-2.10 | $-1.22 |
Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.
Balance sheet (as reported)
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|
| Cash and equivalents | $156.9M | $220.9M | $139.7M | $281.3M | $76.6M |
| Current assets | $242.1M | $409.4M | $266.3M | $369.7M | $112.2M |
| Total assets | $406.7M | $895.1M | $703.0M | $643.4M | $183.0M |
| Current liabilities | $62.0M | $110.1M | $78.1M | $78.9M | $36.6M |
| Long-term debt | $65.5M | $95.0M | — | — | — |
| Total liabilities | $171.2M | $280.4M | $215.0M | $196.0M | $54.5M |
| Total equity | $235.5M | $614.7M | $488.1M | $447.4M | $128.4M |
Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.
Cash flow (as reported)
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|
| Operating cash flow | $32.9M | $45.5M | $-42.6M | $-94.4M | $-18.6M |
| Capital expenditure | $37.4M | $86.3M | $175.5M | $178.0M | $13.8M |
| Free cash flow | $-4.6M | $-40.7M | $-218.1M | $-272.4M | $-32.4M |
Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.
Quarterly trend (as reported)
| Quarter | Revenue | Revenue YoY | Net income | Diluted EPS |
|---|---|---|---|---|
| Q2 FY2026 | $49.8M | -36.1% | $-23.3M | $-0.28 |
| Q1 FY2026 | $37.9M | -51.9% | $-23.7M | $-0.29 |
| Q4 FY2025 | $41.3M | -66.4% | $-72.9M | $-0.88 |
| Q3 FY2025 | $73.0M | -37.8% | $-6.3M | $-0.08 |
| Q2 FY2025 | $78.0M | -33.7% | $-9.1M | $-0.11 |
| Q1 FY2025 | $78.7M | -16.7% | $-301.2M | $-3.67 |
| Q4 FY2024 | $123.1M | 46.2% | $11.4M | $0.14 |
| Q3 FY2024 | $117.3M | 93.1% | $-13.0M | $-0.17 |
Latest 8 reported quarters, from company XBRL filings on SEC EDGAR.
Company facts
Selected SEC filings
Largest Industrials peers
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Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.