INSP vs TMDX
As of Sep 20, 2026, Inspire Medical Systems (INSP) scores 8.1/10 and TransMedics Group (TMDX) 4.2/10 on AlphaStocks' five-model composite, so INSP scores higher. TMDX trades 36% below its model fair value.
INSP
Inspire Medical Systems, Inc.
8.1
Strong Buy
$76.77
TMDX
TransMedics Group, Inc.
4.2
Weak
$86.53
INSP vs TMDX: Which is the Better Investment?
Inspire Medical Systems, Inc. (INSP) scores 8.1/10 while TransMedics Group, Inc. (TMDX) scores 4.2/10 on AlphaStocks' composite model. Inspire Medical Systems, Inc. has the higher composite rating of Strong Buy. On a P/E basis, Inspire Medical Systems, Inc. trades at 15.7x, making it the more attractively priced of the two.
This comparison is algorithmically generated and is not financial advice.
| Metric | INSP | TMDX |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 8.1/10▲ | 4.2/10 |
| Rating | Strong Buy▲ | Weak |
| Price | $76.77 | $86.53 |
| P/E Ratio | 15.7▲ | 18.4 |
| ROE | 15.5% | 25.6%▲ |
| Market Cap | $2B | $3B |
| Fair Value | — | $136.03 |
| Dividend Yield | — | — |
| Sector Rank | #1 of 168▲ | #134 of 168 |
| Model Verdicts | ||
| Piotroski | Attractive | Attractive |
| Buffett | Attractive | Strong▲ |
| Graham | Neutral▲ | Caution |
| Lynch | Limited Data | Limited Data |
| Greenblatt | Limited Data | Neutral▲ |
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INSP vs TMDX: Which Stock Scores Higher?
Inspire Medical Systems, Inc. (INSP) and TransMedics Group, Inc. (TMDX) are both in the Health Care sector. INSP currently leads with a composite score of 8.1/10 (Strong Buy) compared to TMDX's 4.2/10 (Weak).
The AlphaStocks composite score evaluates each stock across four dimensions: Quality (business strength measured by Piotroski F-Score and Buffett quality criteria), Value (discount to intrinsic worth using Graham, Lynch, and Greenblatt models), Momentum (6-month price trend), and Timing (a confirmation signal that requires both value and momentum to align). A higher composite score indicates stronger overall fundamentals combined with favorable market conditions.
This comparison uses the same scoring framework for both companies, ensuring an apples-to-apples evaluation. Scores are recalculated daily after market close using data from SEC filings and market prices. Read the full methodology to understand how each model contributes to the composite score.
Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer