ILMN vs WAT
As of Sep 20, 2026, Illumina (ILMN) scores 7.4/10 and Waters (WAT) 5.8/10 on AlphaStocks' five-model composite, so ILMN scores higher. ILMN trades 66% above its model fair value; WAT trades 60% above its model fair value.
ILMN
ILLUMINA, INC.
7.4
Consider Buy
$239.53
WAT
WATERS CORP /DE/
5.8
Consider Buy
$421.66
ILMN vs WAT: Which is the Better Investment?
ILLUMINA, INC. (ILMN) scores 7.4/10 while WATERS CORP /DE/ (WAT) scores 5.8/10 on AlphaStocks' composite model. ILLUMINA, INC. has the higher composite rating of Consider Buy. On a P/E basis, WATERS CORP /DE/ trades at 39.2x, making it the more attractively priced of the two.
This comparison is algorithmically generated and is not financial advice.
| Metric | ILMN | WAT |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 7.4/10▲ | 5.8/10 |
| Rating | Consider Buy▲ | Consider Buy |
| Price | $239.53 | $421.66 |
| P/E Ratio | 44.0 | 39.2▲ |
| ROE | 10.9%▲ | 6.2% |
| Market Cap | $37B | $25B |
| Fair Value | $144.12 | $263.29 |
| Dividend Yield | — | — |
| Sector Rank | #9 of 168▲ | #64 of 168 |
| Model Verdicts | ||
| Piotroski | Strong▲ | Neutral |
| Buffett | Attractive▲ | Neutral |
| Graham | Caution | Caution |
| Lynch | Neutral | Neutral |
| Greenblatt | Caution | Neutral▲ |
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ILMN vs WAT: Which Stock Scores Higher?
ILLUMINA, INC. (ILMN) and WATERS CORP /DE/ (WAT) are both in the Health Care sector. ILMN currently leads with a composite score of 7.4/10 (Consider Buy) compared to WAT's 5.8/10 (Consider Buy).
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