Pacific Biosciences of California (PACB) vs Quanterix (QTRX)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Pacific Biosciences of California (PACB) has outperformed Quanterix (QTRX) over the past year, gaining 94.3% versus a loss of 41.3%. Over five years, PACB leads with a -88.8% price change compared with -93.6% for QTRX. Pacific Biosciences of California is the larger company by market cap ($714.9 million vs $151.8 million), about 4.7 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | PACB | QTRX |
|---|---|---|
| Share price | $2.30 | $3.21 |
| Market cap | $714.91M | $151.81M |
| 1-day change | -15.44% | -3.46% |
| YTD return | +45.45% | -47.72% |
| 1-year return | +94.29% | -41.25% |
| 5-year return | -88.85% | -93.57% |
| EPS (TTM) | $-0.43 | $-2.61 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $3.44 | $8.77 |
| 52-week low | $1.07 | $2.15 |
| Distance from 52-week high | -33.14% | -63.40% |
| Analyst consensus | buy | none |
| Avg. price target upside | -6.09% | -6.54% |
| Average volume | 10.10M | 762.14K |
| Shares outstanding | 310.83M | 47.29M |
| Employees | 485 | 450 |
| Sector | Industrials | Industrials |
| Industry | Biotechnology: Laboratory Analytical Instruments | Biotechnology: Laboratory Analytical Instruments |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Pacific Biosciences of California is about 4.7 times larger than Quanterix by market value ($714.91M vs $151.81M).
- PACB has outperformed QTRX by 135.5 percentage points over the past year.
About Pacific Biosciences of California
PACB stock →Pacific Biosciences of California, Inc. designs, develops, and manufactures sequencing solutions to resolve genetically complex problems.
Industrials · Biotechnology: Laboratory Analytical Instruments · 485 employees
About Quanterix
QTRX stock →Quanterix Corporation, a life sciences company in North America, Europe, the Middle East, Africa, and the Asia Pacific regions. The company offers HD-X instrument, a protein detection platform; and SR-X instrument that enables researchers to apply Simoa detection in an expanded range of applications.
Industrials · Biotechnology: Laboratory Analytical Instruments · 450 employees
PACB vs QTRX FAQ
Which is bigger, Pacific Biosciences of California or Quanterix?
Pacific Biosciences of California (PACB) is larger, with a market capitalization of $714.91M compared with $151.81M for Quanterix (QTRX).
Which stock has performed better over the past year, PACB or QTRX?
PACB returned +94.29% over the past 12 months, compared with -41.25% for QTRX (price return, excluding dividends). Past performance does not predict future results.
Are Pacific Biosciences of California and Quanterix in the same industry?
Yes. Both are classified in the Biotechnology: Laboratory Analytical Instruments industry within the Industrials sector.