Latest revenue
$37.9M
as of 2026-03-31
Latest net income
$-23.7M
as of 2026-03-31
Net margin
-62.5%
as of 2026-03-31
Price · 5Y
Live market
delayed ≤15 min- Market cap
- $479.9M
- Enterprise value
- $479.9M
- P/E (trailing)
- —
- Forward P/E
- —
- P/B
- —
- Dividend yield
- 0.0%
- 52-wk high
- $9.78
- 52-wk low
- $2.30
- Beta
- —
- Shares out
- 82.9M
5-year trend
What this company does
Item 1. BUSINESS When used in this report, the terms “we,” “us,” “our” and “the Company” refer to Aspen Aerogels, Inc. and its subsidiaries. Additionally, we do not use the ® or ™ symbol in each instance in which one of our trademarks appears in this report, but this should not be construed as any indication that we will not assert our rights thereto to the fullest extent under applicable law. Aspen Aerogels, Inc. is an aerogel technology company that designs, develops and manufactures innovative, high-performance aerogel materials used primarily in the energy industrial, sustainable insulation materials, and electric vehicle (EV) markets. We have provided high-performance aerogel…
AI summary unavailable — showing raw filing excerpt
Generated from ASPN's filing dated 2026-03-13
Key risks
Item 1A. RISK FACTORS Summary of Risk Factors Our business is subject to numerous risks and uncertainties, including those highlighted in this section below, that represent challenges that we face in connection with the successful implementation of our strategy. The occurrence of one or more of the events or circumstances described in more detail in the risk factors below, alone or in combination with other events or circumstances, may have an adverse effect on our business, cash flows, financial condition and results of operations. Such risks include, but are not limited to: •We have previously incurred annual net losses, and we may continue to incur net losses in the future and may never…
AI summary unavailable — showing raw filing excerpt
Generated from ASPN's filing dated 2026-03-13
Profitability
Gross margin
17.0%
58.0%Operating margin
-139.5%
1258.1%Net margin
-143.7%
4963.5%Return on equity
-165.4%
7701.8%Return on assets
-95.8%
6510.8%Leverage
Debt / equity
0.73×
59.3%Long-term debt / equity
0.28×
79.9%Debt / assets
42.1%
34.3%Earnings tracker
| Quarter | Revenue | YoY | Net income | YoY | Net margin |
|---|---|---|---|---|---|
Q1 2026 2026-03-31 | $37.9M | -51.9% | $-23.7M | +92.1% | -62.5% |
Q4 2025 2025-12-31 | $41.3M | -66.4% | $-72.9M | -3982.5% | -176.4% |
Q3 2025 2025-09-30 | $73.0M | -37.8% | $-6.3M | -414.7% | -8.7% |
Q2 2025 2025-06-30 | $78.0M | -33.7% | $-9.1M | -160.4% | -11.6% |
Q1 2025 2025-03-31 | $78.7M | -16.7% | $-301.2M | -16316.8% | -382.7% |
Q4 2024 2024-12-31 | $123.1M | — | $-1.8M | — | -1.5% |
Q3 2024 2024-09-30 | $117.3M | +93.1% | $2.0M | +115.4% | 1.7% |
Q2 2024 2024-06-30 | $117.8M | +144.5% | $15.0M | +197.1% | 12.7% |
Year-over-year change vs the same fiscal quarter one year prior. Revenue + net income sourced from SEC 10-Q / 10-K filings — no analyst-consensus dependency.
Industry trend
Wholesale-Lumber & Other Construction Materials · SIC 5030
Your notes
Keep private notes on ASPN — thesis, target price, catalysts to watch.
Visible only to you. Never shared. Never used to train AI.
Insider activity
Insider buying
$0
Insider selling
$230.9K
Net activity
−$230.9K
Distinct insiders
2
Open-market trades over the last 365 days.
Recent transactions
Source: SEC Form 4 filings. Officers, directors, and 10%+ owners must disclose share transactions within two business days. RSU grants and tax-withholding rows are excluded by default — compensation activity is not a trading signal.
Who owns ASPN
Institutional value
$116.3M
Total shares held
34.1M
Distinct holders
82
-98 vs prior
As of
2026-03-31
Prior: 2025-12-31
Filers with $100M+ AUM disclose holdings 45 days after quarter end.
Top institutional holders
| # | Manager | Shares | Value | QoQ change | Action |
|---|---|---|---|---|---|
| 1 | KIM, LLC | 12.3M | $42.0M | +0 (+0.0%) | No change |
| 2 | BlackRock, Inc. | 4.7M | $16.2M | -186.2K (-3.8%) | Trimmed |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 3.4M | $11.8M | — | New |
| 4 | Invesco Ltd. | 2.3M | $7.9M | -1.8M (-44.4%) | Trimmed |
| 5 | GAGNON SECURITIES LLC | 1.9M | $6.4M | +728.6K (+64.3%) | Added |
| 6 | DIMENSIONAL FUND ADVISORS LP | 1.3M | $4.3M | -747.5K (-37.3%) | Trimmed |
| 7 | Telemark Asset Management, LLC | 1.0M | $3.4M | +0 (+0.0%) | No change |
| 8 | ROYCE & ASSOCIATES LP | 986.5K | $3.4M | — | New |
| 9 | JPMORGAN CHASE & CO | 965.5K | $3.1M | -518.3K (-34.9%) | Trimmed |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 716.7K | $2.5M | — | New |
| 11 | BNP PARIBAS FINANCIAL MARKETS | 697.9K | $2.4M | +6.7K (+1.0%) | Added |
| 12 | VANGUARD FIDUCIARY TRUST CO | 454.4K | $1.6M | — | New |
| 13 | FEDERATED HERMES, INC. | 450.0K | $1.5M | -114.5K (-20.3%) | Trimmed |
| 14 | DEUTSCHE BANK AG\ | 359.5K | $1.2M | +136.4K (+61.2%) | Added |
| 15 | CITIGROUP INC | 233.7K | $799.1K | -5.0K (-2.1%) | Trimmed |
| 16 | UBS Group AG | 189.2K | $647.2K | -126.1K (-40.0%) | Trimmed |
| 17 | JANE STREET GROUP, LLC | 187.9K | $642.5K | -105.3K (-35.9%) | Trimmed |
| 18 | Bank of New York Mellon Corp | 185.7K | $635.0K | -11.2K (-5.7%) | Trimmed |
| 19 | FIRST TRUST ADVISORS LP | 181.2K | $619.8K | -15.3K (-7.8%) | Trimmed |
| 20 | Inspire Investing, LLC | 151.0K | $516.4K | -15.9K (-9.5%) | Trimmed |
Source: SEC Form 13F-HR. Positions aggregated across sub-managers within each firm. Options (puts/calls) excluded — common stock only.
Top questions investors are asking
Coming once ASPN's latest filing finishes processing.