Amkor Technology Inc (AMKR)
SEMICONDUCTORS & RELATED DEVICES
Amkor Technology Inc (AMKR) is listed on Nasdaq, where it has traded since May 1, 1998.
- Listed On
- Nasdaq
- Listed Since
- May 1, 1998
- Employees
- 30,800
- Market Cap
- $13.3B
About Amkor Technology Inc
Amkor Technology Inc is a OSAT (outsourced semiconductor assembly and test) service provider. It has pioneered the outsourcing of integrated circuit (IC) packaging and test services and is a strategic manufacturing partner for the semiconductor companies, foundries, and electronics original equipment manufacturers (OEMs). The firm's products are organized into two categories namely advanced products that include flip chip, fine pitch bumping, wafer-level processing, advanced SiPs, power modules, and others, and Mainstream products that includes wirebond packaging and testing. The company derives maximum revenue from the advanced products category. The company derives majority of its revenue from Foreign states.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 634 institutions reported holding AMKR, with 115.9 million shares worth $9.9 billion in aggregate. The largest reported holder was Vanguard, with 17.4 million shares worth $1.5 billion. Of the 5 largest holders listed below, 3 added shares and 2 reduced their positions during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| Vanguard | 17,414,431 | $1.5B | Added 12.49% |
| BlackRock | 12,292,760 | $1.1B | Reduced 5.21% |
| Dimensional Fund Advisors | 8,064,191 | $695M | Reduced 26.63% |
| JPMorgan Chase | 5,702,608 | $470M | Added 5.48% |
| State Street | 3,730,584 | $322M | Added 2.81% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is AMKR?
Amkor Technology Inc (AMKR) is listed on Nasdaq, where it has traded since May 1, 1998.
Who are the largest institutional holders of AMKR?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of AMKR were Vanguard, BlackRock and Dimensional Fund Advisors.
How many institutions own AMKR?
634 institutions reported a position in AMKR for the quarter ended June 30, 2026, worth $9.9 billion in total.
Did institutions buy or sell AMKR last quarter?
Of the 5 largest reported holders, 3 added shares and 2 reduced their positions during the quarter. Every reported holder and its change is on the SentiSense ownership page for AMKR.
Every reported institutional holder, plus insider and congressional trades in AMKR, on SentiSense.