INSP vs PEN
As of Sep 20, 2026, Inspire Medical Systems (INSP) scores 8.1/10 and Penumbra (PEN) 4.1/10 on AlphaStocks' five-model composite, so INSP scores higher.
INSP
Inspire Medical Systems, Inc.
8.1
Strong Buy
$76.77
PEN
Penumbra Inc
4.1
Weak
$317.56
INSP vs PEN: Which is the Better Investment?
Inspire Medical Systems, Inc. (INSP) scores 8.1/10 while Penumbra Inc (PEN) scores 4.1/10 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 | PEN |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 8.1/10▲ | 4.1/10 |
| Rating | Strong Buy▲ | Weak |
| Price | $76.77 | $317.56 |
| P/E Ratio | 15.7▲ | 70.2 |
| ROE | 15.5%▲ | 12.8% |
| Market Cap | $2B | $13B |
| Fair Value | — | — |
| Dividend Yield | — | — |
| Sector Rank | #1 of 168▲ | #138 of 168 |
| Model Verdicts | ||
| Piotroski | Attractive | Attractive |
| Buffett | Attractive | Attractive |
| Graham | Neutral▲ | Caution |
| Lynch | Limited Data | Limited Data |
| Greenblatt | Limited Data | Limited Data |
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INSP vs PEN: Which Stock Scores Higher?
Inspire Medical Systems, Inc. (INSP) and Penumbra Inc (PEN) are both in the Health Care sector. INSP currently leads with a composite score of 8.1/10 (Strong Buy) compared to PEN's 4.1/10 (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