Acme United (ACU) vs Quantum-Si (QSI)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Acme United (ACU) has outperformed Quantum-Si (QSI) over the past year, gaining 56.9% versus a loss of 31.1%. Over five years, ACU leads with a +72.0% price change compared with -85.8% for QSI. Quantum-Si is the larger company by market cap ($353.5 million vs $239.0 million), about 1.5 times the size.
Acme United pays a dividend yielding 1.03%, while Quantum-Si does not currently pay one.
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 | ACU | QSI |
|---|---|---|
| Share price | $62.33 | $1.62 |
| Market cap | $238.96M | $353.50M |
| 1-day change | +0.63% | +32.38% |
| YTD return | +53.66% | +10.91% |
| 1-year return | +56.93% | -31.07% |
| 5-year return | +72.01% | -85.81% |
| P/E ratio (TTM) | 26.19 | — |
| EPS (TTM) | $2.38 | $-0.45 |
| Dividend yield | 1.03% | 0.00% |
| Annual dividend | $0.64 | $0.00 |
| 52-week high | $64.87 | $3.10 |
| 52-week low | $35.50 | $0.69 |
| Distance from 52-week high | -3.92% | -47.90% |
| Analyst consensus | none | buy |
| Avg. price target upside | -6.95% | +41.18% |
| Average volume | 37.73K | 4.15M |
| Shares outstanding | 3.83M | 198.95M |
| Employees | 649 | 145 |
| Sector | Consumer Discretionary | Industrials |
| Industry | Industrial Machinery/Components | Industrial Machinery/Components |
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
- ACU has outperformed QSI by 88.0 percentage points over the past year.
- Acme United offers a meaningfully higher dividend yield (1.03% vs 0.00%).
- The two companies sit in different sectors: Acme United in Consumer Discretionary and Quantum-Si in Industrials.
About Acme United
ACU stock →Acme United Corporation supplies cutting, measuring, first aid, and sharpening products to the school, home, office, hardware, sporting goods, and industrial markets in the United States, Canada, Europe, and internationally. The company offers scissors, shears, knives, rulers, pencil sharpeners, paper trimmers, safety cutters, lettering products, glue guns, and other craft products under the Westcott brand name; and cutting tools under the Clauss brand.
Consumer Discretionary · Industrial Machinery/Components · 649 employees
About Quantum-Si
QSI stock →Quantum-Si incorporated, a life sciences company, develops proprietary, universal, and single-molecule detection platform applied to proteomics to enable next-gen protein sequencing (NGPS). The company offers Platinum and Platinum Pro NGPS instruments for single-molecule, amino acid level resolution, and automated data analysis; library preparation kits to prepare a customer's protein sample for sequencing; and sequencing kits, which contain the reagents and consumables used to perform NGPS.
Industrials · Industrial Machinery/Components · 145 employees
ACU vs QSI FAQ
Which is bigger, Acme United or Quantum-Si?
Quantum-Si (QSI) is larger, with a market capitalization of $353.50M compared with $238.96M for Acme United (ACU).
Which stock has performed better over the past year, ACU or QSI?
ACU returned +56.93% over the past 12 months, compared with -31.07% for QSI (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, Acme United or Quantum-Si?
Acme United pays a dividend yielding 1.03%, while Quantum-Si does not currently pay a regular dividend.
Are Acme United and Quantum-Si in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Consumer Discretionary sector.