ADTTF (Advantest) Institutional Ownership: 54.77% (As of Jul. 16, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ADTTF Advantest Corp ADTTF
87 GF Score
Price $175.55
GF Value $88.68
Valuation Significantly Overvalued
! 4 Warning Signs
View Full Analysis

What is Advantest Institutional Ownership?

Advantest ADTTF 87 Institutional Ownership is 54.77% as of Jul. 16, 2026. GuruFocus rates ADTTF with a GF Score™ of 87/100 and a GF Value™ of $88.68 (Significantly Overvalued). The stock has 4 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, Advantest's institutional ownership is 54.77%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Advantest'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, Advantest's Float Percentage Of Total Shares Outstanding is 0.00%.

Advantest Institutional Ownership Historical Data

* Premium members only.

The historical data trend for Advantest'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.

Advantest Institutional Ownership Chart

Advantest Historical Data

The historical data trend for Advantest 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 61.64 60.88 60.87 60.48 60.84 60.91 58.71 58.76 58.33 58.50
ADTTF
87GF Score
Advantest Corp ADTTF
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Advantest Institutional Ownership Calculation

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

What does a Institutional Ownership of 54.77% mean?
Advantest (ADTTF) has a Institutional Ownership of 54.77% as of Jul. 16, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Advantest and its competitors.
Is Advantest's Institutional Ownership too high?
Advantest's current Institutional Ownership is 54.77%. Overall, Advantest has a GF Score™ of 87/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Advantest's Institutional Ownership compare to AMAT and LRCX?
Advantest's Institutional Ownership of 54.77% 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 Advantest and its competitors. Advantest's current Institutional Ownership is 54.77%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Advantest stock overvalued right now?
Based on GuruFocus' analysis, Advantest (ADTTF) is currently considered Significantly Overvalued. The stock's GF Value™ is $88.68, compared to a current price of $175.55 — trading 98% above its estimated fair value. The current Institutional Ownership is 54.77%. Advantest's overall GF Score™ is 87/100 with 4 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 Advantest (ADTTF), the current Institutional Ownership is 54.77% as of Jul. 16, 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 Advantest (ADTTF) Overvalued in 2026?

Based on GuruFocus' analysis, Advantest stock appears to be overvalued. The current stock price of $175.55 is trading 98% above its estimated GF Value™ of $88.68. GuruFocus considers Advantest to be Significantly Overvalued.

Key valuation signals for ADTTF:

  • Institutional Ownership: 54.77%
  • GF Value™: $88.68 vs. price of $175.55 (98% above fair value)
  • GF Score™: 87/100 with 4 warning signs

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

Advantest Business Description

Address 1-6-2, Marunouchi, Shin-Marunouchi Center Building, Chiyoda-ku, Tokyo, JPN, 100-0005
Founded in 1954 and headquartered in Tokyo, Advantest specializes in semiconductor test systems and is a well-known leader in automated test equipment, or ATE. Advantest also has a high market share in test systems for nonmemory semiconductors, including application processors for mobile phones. The company is also involved in peripheral businesses, such as semiconductor device transport equipment. Following its acquisition of Verigy in July 2011, Advantest holds a market share of over 50% in the ATE market.
87GF Score

Get the complete analysis for ADTTF

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

$175.55
Price
$88.68
GF Value