Institutional shares held 2.23 Million
34.2K calls
17K puts
Total value of holdings $39.1M
$599K calls
$297K puts
Market Cap $637M
36,362,000 Shares Out.
Institutional ownership 6.13%
# of Institutions 60


Latest Institutional Activity in IMOS

Top Purchases

Q2 2025
Vanguard Personalized Indexing Management, LLC Shares Held: 69.2K ($1.21M)
Q2 2025
Ballentine Partners, LLC Shares Held: 31.8K ($557K)
Q2 2025
Creative Planning Shares Held: 45.3K ($793K)
Q2 2025
Acadian Asset Management LLC Shares Held: 265K ($4.65M)
Q2 2025
Rhumbline Advisers Shares Held: 37.6K ($659K)

Top Sells

Q2 2025
Renaissance Technologies LLC Shares Held: 1.15M ($20.2M)
Q2 2025
Renaissance Group LLC Shares Held: 89.9K ($1.57M)
Q2 2025
Morgan Stanley Shares Held: 19K ($333K)
Q2 2025
Ubs Group Ag Shares Held: 77 ($1.35K)
Q2 2025
Dimensional Fund Advisors LP Shares Held: 94.2K ($1.65M)

About IMOS

ChipMOS TECHNOLOGIES INC. engages in the research, development, manufacture, and sale of high-integration and high-precision integrated circuits, and related assembly and testing services in Taiwan, People's Republic of China, Japan, Singapore, and internationally. It operates through Testing; Assembly; Testing and Assembly for LCD, OLED and other Display Panel Driver Semiconductors; Bumping; and Other segments. The company provides a range of back-end assembly and testing services, including engineering test, wafer probing, and final test of memory and logic/mixed-signal semiconductors, as well as leadframe-based and organic substrate-based package assembly services for memory and logic/mixed-signal semiconductors; and gold bumping, reel to reel assembly, and test services for LCD and other panel display driver semiconductors. Its semiconductors are used in personal computers; graphics applications, such as game consoles; communications equipment; mobile products comprising cellular handsets, tablets, and consumer electronic products; and automotive/industry and display applications, such as display panels. The company was incorporated in 1997 and is headquartered in Hsinchu, Taiwan.


Insider Transactions at IMOS

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
0 Shares
From 0 Insiders
Sell / Disposition
0 Shares
From 0 Insiders

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