Amkor Technology (STU:AMK) Institutional Ownership: 29.91% (As of Jul. 18, 2026)

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STU:AMK Amkor Technology Inc STU:AMK
72 GF Score
Price €55.14
GF Value €28.32
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Amkor Technology Institutional Ownership?

Amkor Technology STU:AMK +0.66% 72 Institutional Ownership is 29.91% as of Jul. 18, 2026. GuruFocus rates STU:AMK with a GF Score™ of 72/100 and a GF Value™ of €28.32 (Significantly Overvalued). The stock has 6 warning signs investors should review.

Institutional ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Amkor Technology's institutional ownership is 29.91%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Amkor Technology's Insider Ownership is 0.00%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Amkor Technology's Float Percentage Of Total Shares Outstanding is 24.60%.

Amkor Technology Institutional Ownership Historical Data

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The historical data trend for Amkor Technology's Institutional Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Amkor Technology Institutional Ownership Chart

Amkor Technology Historical Data

The historical data trend for Amkor Technology can be seen below:

2025-09-30 2025-10-31 2025-11-30 2025-12-31 2026-01-31 2026-02-28 2026-03-31 2026-04-30 2026-05-31 2026-06-30
Institutional Ownership 31.23 31.00 31.50 30.26 31.30 31.37 30.59 30.23 28.98 29.91
STU:AMK
72GF Score
Amkor Technology Inc STU:AMK
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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Amkor Technology Institutional Ownership Calculation

The percentage of shares that are owned by institutions out of the total shares outstanding.

What does a Institutional Ownership of 29.91% mean?
Amkor Technology (STU:AMK) has a Institutional Ownership of 29.91% as of Jul. 18, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Amkor Technology and its competitors.
Is Amkor Technology's Institutional Ownership too high?
Amkor Technology's current Institutional Ownership is 29.91%. Overall, Amkor Technology has a GF Score™ of 72/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Amkor Technology's Institutional Ownership compare to ONTO and NVMI?
Amkor Technology's Institutional Ownership of 29.91% can be compared against companies in the Semiconductors industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Institutional Ownership for a Semiconductors company?
A good Institutional Ownership depends on the Semiconductors industry context. However, Institutional Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Institutional Ownership mean?
A high Institutional Ownership can signal that a stock is expensive relative to its fundamentals. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Amkor Technology and its competitors. Amkor Technology's current Institutional Ownership is 29.91%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Amkor Technology stock overvalued right now?
Based on GuruFocus' analysis, Amkor Technology (STU:AMK) is currently considered Significantly Overvalued. The stock's GF Value™ is €28.32, compared to a current price of €55.14 — trading 94.7% above its estimated fair value. The current Institutional Ownership is 29.91%. Amkor Technology's overall GF Score™ is 72/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Institutional Ownership calculated?
Institutional Ownership is calculated from a company's financial statements. For Amkor Technology (STU:AMK), the current Institutional Ownership is 29.91% as of Jul. 18, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Amkor Technology (STU:AMK) Overvalued in 2026?

Based on GuruFocus' analysis, Amkor Technology stock appears to be overvalued. The current stock price of €55.14 is trading 94.7% above its estimated GF Value™ of €28.32. GuruFocus considers Amkor Technology to be Significantly Overvalued.

Key valuation signals for STU:AMK:

  • Institutional Ownership: 29.91%
  • GF Value™: €28.32 vs. price of €55.14 (94.7% above fair value)
  • GF Score™: 72/100 with 6 warning signs

No single metric tells the full story. See the STU:AMK stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Amkor Technology Business Description

Other Exchanges AMKR:USAAMKR:Mexico
Address 2045 East Innovation Circle, Tempe, AZ, USA, 85284
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.
72GF Score

Get the complete analysis for STU:AMK

Institutional Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€55.14
Price
€28.32
GF Value