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Compare · AMSC vs RBC

AMSC vs RBC

Side-by-side comparison of American Superconductor Corporation (AMSC) and RBC Bearings Incorporated (RBC): market cap, price performance, sector, and recent activity on the wire.

Summary

  • AMSC operates in Consumer Discretionary, while RBC operates in Industrials - the two are in different parts of the market.
  • RBC is the larger of the two at $18.25B, about 10.4x AMSC ($1.75B).
  • Over the past year, AMSC is up 23.9% and RBC is up 53.8% - RBC leads by 29.9 points.
  • RBC has been more active in the news (27 items in the past 4 weeks vs 10 for AMSC).
  • RBC has more recent analyst coverage (13 ratings vs 2 for AMSC).
PerformanceAMSC+23.90%RBC+53.84%
2025-06-11+0.00%2026-06-10
MetricAMSCRBC
Company
American Superconductor Corporation
RBC Bearings Incorporated
Price
$36.76-9.28%
$577.65-2.60%
Market cap
$1.75B
$18.25B
1M return
-37.43%
-5.74%
1Y return
+23.90%
+53.84%
Industry
Metal Fabrications
Metal Fabrications
Exchange
NASDAQ
NYSE
IPO
1991
2022
News (4w)
10
27
Recent ratings
2
13
AMSC

American Superconductor Corporation

American Superconductor Corporation, together with its subsidiaries, provides megawatt-scale power resiliency solutions worldwide. The company operates in two segments, Grid and Wind. The Grid segment offers products and services that enable electric utilities, industrial facilities, and renewable energy project developers to connect, transmit, and distribute power under the Gridtec Solutions brand; and engineering planning services. It provides transmission planning services, which identify power grid congestion, poor power quality, and other risks; grid interconnection solutions for wind farms and solar power plants, power quality systems, and transmission and distribution cable systems; resilient electric grid systems, which provide protection against the adverse effects that follow the loss of critical substation facilities in urban areas; D-VAR systems used for controlling power flow and voltage in the AC transmission system; actiVAR system, a fast-switching medium-voltage reactive compensation solution; armorVAR system installed for reactive compensation, power factor correction, loss reduction, utility bill savings, and mitigation of common power quality concerns related to power converter-based generation and load devices; and D-VAR volt var optimization (VVO) that serves the distribution power grid market. This segment also offers ship protection systems, which reduce a naval ship's magnetic signature; and in board power delivery systems, power generation systems, and propulsion systems. The Wind segment designs wind turbine systems and licenses these designs to third parties under the Windtec Solutions brand. It supplies power electronics and software-based control systems, and provides customer support services to wind turbine manufacturers. This segment's design portfolio comprises a range of drivetrains and power ratings of 2 MW and higher. American Superconductor Corporation was incorporated in 1987 and is headquartered in Ayer, Massachusetts.

RBC

RBC Bearings Incorporated

Regal Beloit Corporation, together with its subsidiaries, designs, manufactures, and sells electric motors, electrical motion controls, and power generation and transmission products worldwide. It operates through four segments: Commercial Systems, Industrial Systems, Climate Solutions, and Power Transmission Solutions. The Commercial Systems segment provides AC and DC motors, electronic variable speed controls, fans, blowers, and precision stator and rotor kits. The Industrial Systems segment offers AC motors for industrial applications; electric alternators for prime and standby power applications to data centers, distributed energy, microgrid, rental marine, agriculture, healthcare, mobile, and defense markets; and switchgear for healthcare, government, and waste water applications, as well as residential, commercial, and industrial applications. The Climate Solutions segment provides fractional motors, electronic variable speed controls, and blowers for use in a residential and light commercial air moving applications; and fractional horsepower motors and blowers for white goods, water heating equipment, small pumps, compressors, and fans. The Power Transmission Solutions segment offers bearings; conveyors; disc, diaphragms, gear and flexible couplings, transmission elements, gears, grids, jaws, elastomers, and disc couplings; mechanical power transmission drives and components; and worm gearing, shaft configuration, helical offset, concentric and right angle, bevel and miter gearing, and spur gearing products, as well as modular plastic belts, conveying chains, and hydraulic pump drives. This segment serves beverage, bulk handling, metal, special machinery, energy, and aerospace and general industrial markets. The company sells its products directly to original equipment manufacturers and end-users through a network of direct and independent sales representatives, and distributors. Regal Beloit Corporation was founded in 1955 and is based in Beloit, Wisconsin.

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