Quest Diagnostics (MIL:1QDX) Institutional Ownership: 75.24% (As of Jul. 27, 2026)

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MIL:1QDX Quest Diagnostics Inc MIL:1QDX
54 GF Score
Price €206.90
GF Value €159.37
Valuation Modestly Overvalued
! 7 Warning Signs
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What is Quest Diagnostics Institutional Ownership?

Quest Diagnostics MIL:1QDX 54 Institutional Ownership is 75.24% as of Jul. 27, 2026. GuruFocus rates MIL:1QDX with a GF Score™ of 54/100 and a GF Value™ of €159.37 (Modestly Overvalued). The stock has 7 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, Quest Diagnostics's institutional ownership is 75.24%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Quest Diagnostics'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, Quest Diagnostics's Float Percentage Of Total Shares Outstanding is 99.72%.

Quest Diagnostics Institutional Ownership Historical Data

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The historical data trend for Quest Diagnostics'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.

Quest Diagnostics Institutional Ownership Chart

Quest Diagnostics Historical Data

The historical data trend for Quest Diagnostics 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 80.27 79.53 78.36 77.23 77.35 77.27 75.30 75.45 75.45 75.24
MIL:1QDX
54GF Score
Quest Diagnostics Inc MIL:1QDX
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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Quest Diagnostics Institutional Ownership Calculation

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

What does a Institutional Ownership of 75.24% mean?
Quest Diagnostics (MIL:1QDX) has a Institutional Ownership of 75.24% as of Jul. 27, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Quest Diagnostics and its competitors.
Is Quest Diagnostics' Institutional Ownership too high?
Quest Diagnostics' current Institutional Ownership is 75.24%. Overall, Quest Diagnostics has a GF Score™ of 54/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Quest Diagnostics' Institutional Ownership compare to LH and MTD?
Quest Diagnostics' Institutional Ownership of 75.24% can be compared against companies in the Medical Diagnostics & Research 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 Medical Diagnostics & Research company?
A good Institutional Ownership depends on the Medical Diagnostics & Research 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 Quest Diagnostics and its competitors. Quest Diagnostics's current Institutional Ownership is 75.24%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Quest Diagnostics stock overvalued right now?
Based on GuruFocus' analysis, Quest Diagnostics (MIL:1QDX) is currently considered Modestly Overvalued. The stock's GF Value™ is €159.37, compared to a current price of €206.90 — trading 29.8% above its estimated fair value. The current Institutional Ownership is 75.24%. Quest Diagnostics' overall GF Score™ is 54/100 with 7 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 Quest Diagnostics (MIL:1QDX), the current Institutional Ownership is 75.24% as of Jul. 27, 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 Quest Diagnostics (MIL:1QDX) Overvalued in 2026?

Based on GuruFocus' analysis, Quest Diagnostics stock appears to be overvalued. The current stock price of €206.90 is trading 29.8% above its estimated GF Value™ of €159.37. GuruFocus considers Quest Diagnostics to be Modestly Overvalued.

Key valuation signals for MIL:1QDX:

  • Institutional Ownership: 75.24%
  • GF Value™: €159.37 vs. price of €206.90 (29.8% above fair value)
  • GF Score™: 54/100 with 7 warning signs

No single metric tells the full story. See the MIL:1QDX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Quest Diagnostics Business Description

Address 500 Plaza Drive, Secaucus, NJ, USA, 07094
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.
54GF Score

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

€206.90
Price
€159.37
GF Value