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Compare · ALGM vs DIOD

ALGM vs DIOD

Side-by-side comparison of Allegro MicroSystems Inc. (ALGM) and Diodes Incorporated (DIOD): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both ALGM and DIOD operate in Semiconductors (Technology), so they compete in similar markets.
  • ALGM is the larger of the two at $8.99B, about 1.8x DIOD ($4.93B).
  • Over the past year, ALGM is up 157.5% and DIOD is up 173.6% - DIOD leads by 16.1 points.
  • DIOD has been more active in the news (3 items in the past 4 weeks vs 1 for ALGM).
  • ALGM has more recent analyst coverage (22 ratings vs 8 for DIOD).
PerformanceALGM+157.54%DIOD+173.63%
2025-05-01+0.00%2026-04-30
MetricALGMDIOD
Company
Allegro MicroSystems Inc.
Diodes Incorporated
Price
$48.49+10.08%
$107.19+6.03%
Market cap
$8.99B
$4.93B
1M return
+53.85%
+56.90%
1Y return
+157.54%
+173.63%
Industry
Semiconductors
Semiconductors
Exchange
NASDAQ
NASDAQ
IPO
2020
News (4w)
1
3
Recent ratings
22
8
ALGM

Allegro MicroSystems Inc.

Allegro MicroSystems, Inc. designs, develops, manufactures, and markets sensor integrated circuits (ICs) and application-specific analog power ICs for motion control and energy-efficient systems. Its products include magnetic sensor ICs, such as position, speed, and current sensor ICs; and power ICs comprising motor driver ICs, and regulator and LED driver ICs, as well as photonic and 3D sensing components, including photodiodes, eye-safe lasers and rangefinders, and readout ICs for LiDAR applications. The company sells its products to original equipment manufacturers and suppliers primarily in the automotive and industrial markets through its direct sales force, third party distributors, independent sales representatives, and consignment. It operates in the United States, rest of the Americas, Europe, Japan, Greater China, South Korea, and other Asian markets. The company was incorporated in 1990 and is headquartered in Manchester, New Hampshire. Allegro MicroSystems, Inc. is a subsidiary of Sanken Electric Co., Ltd.

DIOD

Diodes Incorporated

Diodes Incorporated designs, manufactures, and supplies application-specific standard products in the discrete, logic, and analog and mixed-signal semiconductor markets worldwide. It primarily focuses on low pin count semiconductor devices with one or more active and/or passive components. The company offers discrete semiconductor products, such as MOSFET, TVS, and performance Schottky rectifiers; GPP bridges and retifiers performance Schottky diodes; Zener and performance Zener diodes, including tight tolerance and low operating current type; standard, fast, super-fast, and ultra-fast recovery rectifiers; bridge rectifiers; switching diodes; small signal bipolar and prebiased transistors; other MOSFETs; thyristor surge protection devices; and transient voltage suppressors. It also provides analog products comprising power management devices consisting of AC-DC and DC-DC converters, USB power switches, and low dropout and linear voltage regulators; linear devices, such as operational amplifiers and comparators, current monitors, voltage references, and reset generators; LED lighting drivers; audio amplifiers; and sensor products, including hall-effect sensors and motor drivers. The company offers mixed-signal products, such as high speed mux/demux products, digital switches, interfaces, redelivers, clock ICs, and packet switches; standard logic products comprising low-voltage complementary metal–oxide–semiconductor (CMOS) and high-speed CMOS devices; ultra-low power CMOS logic products and analog switches; multichip products and co-packaged discrete, analog, and mixed-signal silicon in miniature packages; silicon and silicon epitaxial wafers; and crystals and oscillators. It sells its products to the consumer electronics, computing, communications, industrial, and automotive markets through direct sales and marketing personnel, independent sales representatives, and distributors. The company was incorporated in 1959 and is headquartered in Plano, Texas.

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