MetaCap

Allegro MicroSystems (ALGM) vs Synaptics (SYNA)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.

Summary

Synaptics (SYNA) has outperformed Allegro MicroSystems (ALGM) over the past year, gaining 81.7% versus a gain of 34.3%. Over five years, ALGM leads with a +17.8% price change compared with -31.3% for SYNA. Allegro MicroSystems is the larger company by market cap ($6.90 billion vs $4.74 billion), about 1.5 times the size.

On valuation, Synaptics trades at a lower forward P/E (18.2x vs 25.0x for Allegro MicroSystems). Allegro MicroSystems converts more of its revenue into profit, with a net margin of -1.7% versus -41.0%.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

ALGM+30.90%SYNA+73.32%
+155%+64%-28%
Oct 6, 20251 yearOct 7, 2026
ALGM+21.95%SYNA-32.51%
+103%+11%-81%
Oct 4, 20215 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

ALGM versus SYNA key metrics
MetricALGMSYNA
Share price$37.03$119.46
Market cap$6.90B$4.74B
1-day change-4.46%+0.06%
YTD return+40.03%+61.17%
1-year return+34.33%+81.71%
5-year return+17.83%-31.26%
P/E ratio (TTM)617.17—
Forward P/E25.0418.16
EPS (TTM)$0.06$-12.62
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
Revenue (latest FY)$890.10M$1.20B
Revenue growth (YoY)+22.77%+11.44%
Net income (latest FY)$-14.90M$-490.80M
Gross margin46.28%44.72%
Operating margin2.08%-5.60%
Net margin-1.67%-41.00%
52-week high$71.77$149.11
52-week low$22.41$58.28
Distance from 52-week high-48.40%-19.88%
Analyst consensusstrong_buyhold
Avg. price target upside+46.96%+8.26%
Average volume2.39M834.43K
Shares outstanding186.40M39.70M
Employees4,2501,700
SectorTechnologyTechnology
IndustrySemiconductorsSemiconductors

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

  • SYNA has outperformed ALGM by 47.4 percentage points over the past year.
  • Allegro MicroSystems is more profitable, keeping -1.7 cents of every revenue dollar as net income versus -41.0 cents for Synaptics.
  • Allegro MicroSystems grew revenue faster in its latest fiscal year (+22.77% vs +11.44%).

About Allegro MicroSystems

ALGM stock →

Allegro MicroSystems, Inc., together with its subsidiaries, designs, develops, manufactures, and markets sensor integrated circuits (ICs) and application-specific power ICs for sensing, motion control, and power management functions of complex electromechanical or power conversion systems. Its products include magnetic sensor ICs, such as position, speed, and electric current sensor ICs; and power ICs comprising motor driver ICs, such as regulator, power management ICs, and LED driver ICs, and isolated gate drivers.

Technology · Semiconductors · 4,250 employees

About Synaptics

SYNA stock →

Synaptics Incorporated develops, markets, and sells semiconductor products worldwide. The company provides edge AI processors, wireless connectivity, touch controllers, biometrics, voice, audio, and multimedia products for physical AI and robotics, edge AI, smart home, industrial and automotive, personal computers, and mobile applications, as well as modular development kits, open software frameworks, and optimized AI/ML toolchains.

Technology · Semiconductors · 1,700 employees

ALGM vs SYNA FAQ

Which is bigger, Allegro MicroSystems or Synaptics?

Allegro MicroSystems (ALGM) is larger, with a market capitalization of $6.90B compared with $4.74B for Synaptics (SYNA).

Which stock has performed better over the past year, ALGM or SYNA?

SYNA returned +81.71% over the past 12 months, compared with +34.33% for ALGM (price return, excluding dividends). Past performance does not predict future results.

Are Allegro MicroSystems and Synaptics in the same industry?

Yes. Both are classified in the Semiconductors industry within the Technology sector.

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