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Compare · ALSN vs GNTX

ALSN vs GNTX

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

Summary

  • Both ALSN and GNTX 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 1.8x GNTX ($5.26B).
  • Over the past year, ALSN is up 15.1% and GNTX is up 14.8% - ALSN leads by 0.3 points.
  • ALSN has been more active in the news (15 items in the past 4 weeks vs 12 for GNTX).
  • ALSN has more recent analyst coverage (12 ratings vs 7 for GNTX).
PerformanceALSN+15.10%GNTX+14.83%
2025-06-09+0.00%2026-06-08
MetricALSNGNTX
Company
Allison Transmission Holdings Inc.
Gentex Corporation
Price
$116.32+0.49%
$24.85+0.85%
Market cap
$9.60B
$5.26B
1M return
-5.54%
+7.62%
1Y return
+15.10%
+14.83%
Industry
Auto Parts:O.E.M.
Auto Parts:O.E.M.
Exchange
NYSE
NASDAQ
IPO
2012
News (4w)
15
12
Recent ratings
12
7
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.

GNTX

Gentex Corporation

Gentex Corporation designs, develops, manufactures, markets, and supplies digital vision, connected car, dimmable glass, and fire protection products in the United States, Germany, Japan, Mexico, and internationally. It operates through Automotive Products and Other segments. The company offers automotive products, including interior and exterior electrochromic automatic-dimming rearview mirrors, automotive electronics, and non-automatic-dimming rearview mirrors for automotive passenger cars, light trucks, pick-up trucks, sport utility vehicles, and vans for original equipment manufacturers, automotive suppliers, and various aftermarket and accessory customers. It also provides variable dimmable windows to aircraft manufacturers and airline operators. In addition, the company offers photoelectric smoke detectors and alarms, electrochemical carbon monoxide alarms and detectors, audible and visual signaling appliances, and bells and speakers used in fire detection systems in office buildings, hotels, and other commercial and residential establishments, as well as researches and develops nanofiber chemical sensing products. Gentex Corporation sells its fire protection products directly, as well as through sales managers and manufacturer representative organizations to fire protection and security product distributors, electrical wholesale houses, and original equipment manufacturers of fire protection systems. The company was founded in 1974 and is headquartered in Zeeland, Michigan.