Compare Aspen Aerogels Inc (ASPN) vs Select Medical Holdings Corporation (SEM) Price & Performance
Price performance
Price movement over the last 24 hours
Key statistics
Key statistics
Aspen Aerogels Inc vs Select Medical Holdings Corporation — how do they compare? Aspen Aerogels Inc trades at $5.25 (market cap $427.65M), while Select Medical Holdings Corporation trades at $16.51 (market cap $2.05B). The key difference: Select Medical Holdings Corporation is far larger — about 4.8× Aspen Aerogels Inc's market cap, and Select Medical Holdings Corporation pays a 1.51% dividend while Aspen Aerogels Inc pays none. Which is the better fit depends on your goals.
| ASPN | SEM | |
|---|---|---|
Market Cap | $427.65M | $2.05B |
Sector | Technology | Health |
52-Week High | $8.82 | $16.66 |
52-Week Low | $2.57 | $11.77 |
Enterprise Value | $382.60M | $5.01B |
Dividend Yield | — | 1.51% |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
ASPN trades at $5.16, down 1.53% on the day, with a bearish technical signal despite oversold RSI readings. The company reported a Q1 2026 loss of $0.28 per share, missing estimates, but revenue beat expectations. Recent news includes a 2025 Supplier of the Year award from General Motors and the staged restart of its East Providence facility. Financials show significant net losses but improving cash flow trends into 2026.
Outlook remains challenging with persistent losses and negative margins, though analyst consensus is strongly bullish (83% buy ratings). Key risks include execution on facility restarts and EV demand volatility. The stock offers high-risk growth potential if operational improvements and electrification trends accelerate profitability.
Select Medical Holdings (SEM) trades at $16.51, unchanged on the day, following the company's recent acquisition by a consortium led by Robert A. Ortenzio at $16.50 per share. The stock shows mixed technical signals with a bullish overall trend but bearish moving averages. Fundamentally, the company reported $5.45B revenue for 2025 with a 2.42% net margin, while valuation metrics appear reasonable with a P/E of 15.43 and P/S of 0.36. Recent earnings have been mixed with one beat and two misses against expectations.
The investment outlook is dominated by the completed acquisition, effectively capping upside near the current price. While fundamentals show stable operations with positive cash flow from operations, multiple law firms are investigating potential fiduciary breaches in the buyout process. Analyst sentiment is mixed with 35.7% buy ratings, but the acquisition removes typical growth catalysts. Key risks include legal challenges to the merger terms and execution risks during the ownership transition.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
About Aspen Aerogels Inc
Aspen Aerogels is an aerogel technology company that designs high-performance insulation. Its products are used in energy infrastructure and electric vehicles to provide thermal management and fire protection.
Read more on ASPN →About Select Medical Holdings Corporation
Select Medical Holdings Corporation is one of the largest operators of critical illness recovery hospitals, rehabilitation hospitals, outpatient rehabilitation clinics, and occupational health centers in the United States. The company's services focus on treating patients with serious illnesses, injuries, and post-acute care needs. SEM provides specialized care across various settings, aiming to help patients recover and return home.
Read more on SEM →
