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Compare · ALSN vs THRM

ALSN vs THRM

Side-by-side comparison of Allison Transmission Holdings Inc. (ALSN) and Gentherm Inc (THRM): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both ALSN and THRM operate in Auto Parts:O.E.M. (Consumer Discretionary), so they compete in similar markets.
  • ALSN is the larger of the two at $9.60B, about 8.6x THRM ($1.11B).
  • Over the past year, ALSN is up 14.5% and THRM is up 30.5% - THRM leads by 15.9 points.
  • ALSN has been more active in the news (15 items in the past 4 weeks vs 7 for THRM).
  • ALSN has more recent analyst coverage (12 ratings vs 9 for THRM).
PerformanceALSN+14.54%THRM+30.46%
2025-06-09+0.00%2026-06-05
MetricALSNTHRM
Company
Allison Transmission Holdings Inc.
Gentherm Inc
Price
$115.75-2.25%
$36.28-4.32%
Market cap
$9.60B
$1.11B
1M return
-9.26%
+17.37%
1Y return
+14.54%
+30.46%
Industry
Auto Parts:O.E.M.
Auto Parts:O.E.M.
Exchange
NYSE
NASDAQ
IPO
2012
News (4w)
15
7
Recent ratings
12
9
ALSN

Allison Transmission Holdings Inc.

Allison Transmission Holdings, Inc., together with its subsidiaries, designs, manufactures, and sells commercial and defense fully-automatic transmissions for medium- and heavy-duty commercial vehicles, and medium- and heavy-tactical U.S. defense vehicles worldwide. It offers transmissions for various applications, including distribution, refuse, construction, fire, and emergency on-highway trucks; school and transit buses; motor homes; energy, mining, and construction off-highway vehicles and equipment; and wheeled and tracked defense vehicles. The company markets its transmissions under Allison Transmission brand name; and remanufactured transmissions under ReTran brand name. It also sells branded replacement parts, support equipment, aluminum die cast components, and other products necessary to service the installed base of vehicles utilizing its transmissions, as well as defense kits, engineering services, and extended transmission coverage services to various original equipment manufacturers, distributors, and the U.S. government. The company serves customers through an independent network of approximately 1,400 independent distributor and dealer locations. The company was formerly known as Clutch Holdings, Inc. Allison Transmission Holdings, Inc. was founded in 1915 and is headquartered in Indianapolis, Indiana.

THRM

Gentherm Inc

Gentherm Incorporated designs, develops, manufactures, and markets thermal management technologies. The company operates through two segments, Automotive and Medical. The Automotive segment offers climate comfort system solutions, which include seat heaters, blowers, and thermoelectric devices for variable temperature climate control seats and steering wheel heaters that are designed to provide thermal comfort to automobile passengers; integrated electronic components, such as electronic control units that utilize proprietary electronics technology and software; and other climate comfort system solutions, including neck conditioners and climate control system products for door panels, armrests, cupholders, and storage bins. It also provides battery performance solutions, including cell connecting devices for various types of automotive batteries, as well as thermal management products for heating and cooling 12V, 48V, and high voltage batteries and battery modules; and automotive electronic and software systems comprising electronic control units for climate comfort systems, as well as for memory seat modules and other devices. This segment serves light vehicle original equipment manufacturers (OEMs), commercial vehicle OEMs, and first tier suppliers to the automotive OEMs, including automotive seat manufacturers, as well as aftermarket seat distributors and installers. The Medical segment offers patient temperature management systems. The company provides its products and services in the United States, Germany, Canada, China, Hungary, Japan, Korea, the Czech Republic, Macedonia, Malta, Mexico, the United Kingdom, Ukraine, and Vietnam. The company was formerly known as Amerigon Incorporated and changed its name to Gentherm Incorporated in September 2012. Gentherm Incorporated was incorporated in 1991 and is headquartered in Northville, Michigan.