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Teledyne Technologies Inc provides enabling technologies to sense, analyze and distribute information for industrial growth markets that require advanced technology and high reliability. The firm operates in four segments: Digital Imaging, Instrumentation, Aerospace and Defense Electronics, and Engineered Systems. The Digital Imaging segment, that derives maximum revenue, includes high-performance sensors, cameras and systems, within the visible, infrared and X-ray spectra for use in industrial, government and medical applications, as well as MEMS and high-performance, high-reliability semiconductors including analog-to-digital and digital-to-analog converters. Geographically, the company operates in United States, Europe, Asia, and All other.
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Sandisk is one of the five largest suppliers of NAND flash memory semiconductors globally. Sandisk is vertically integrated, producing substantially all of its flash chips at manufacturing sites across Japan via a joint-venture framework with Kioxia. Sandisk then repackages most of its chips into SSDs for consumer electronics, external storage, or cloud storage. Sandisk was formerly a piece of Western Digital for nine years (after being acquired in 2016) and was spun off as an independent company in 2025.
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Stock highlights

Stock comparison highlights
Stock name
Teledyne TechnologiesSandisk corporation
Last price
$622.22$1,660.46
Currency
USD
USD
$29B$250B
29.9823.10
$20.67$73.76
0.92-
00
00
Sector
Digital HardwareDigital Hardware
Employees
15,80011,100
Ticker
$TDY$SNDK
Primary listing
NYSENASDAQ

Performance

CumulativeRolling yearsLump sum investment

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