QUEST DIAGNOSTICS INC(DGX)Stock Analysis
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Rank #381 of 2,879 stocksTOP 25%
Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.
Revenue Growth
Profitability
Balance Sheet
Earnings Quality
Free Cash Flow
Institutional Flow
Revenue Scale
Dilution Risk
DGX Stock Analysis & AI Quality Score
AI stock analysis and institutional research for QUEST DIAGNOSTICS INC (DGX), a Healthcare sector company. 13F Pro's AI-powered ranking engine scores DGX at 69.1/100 on a 32-signal composite quality model, placing it at rank #381 of 2,879 stocks — the top 25% of the AI-ranked universe. DGX scores in the top quartile across revenue scale (87.4), balance sheet strength (75.7). Based on the latest XBRL financial filings (Q1 2026), QUEST DIAGNOSTICS INC reports quarterly revenue of $2.9B, net income of $252.0M, an operating margin of 13.8%. Top institutional holders of DGX by reported 13-F value include BlackRock,, VANGUARD CAPITAL MANAGEMENT, VANGUARD PORTFOLIO MANAGEMENT, based on the most recent SEC filings. DGX trades on the NYSE exchange and files with the SEC under CIK 1022079. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate DGX daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for QUEST DIAGNOSTICS INC directly from SEC EDGAR.
Revenue
Q1 2026
$2.9B
Net Income
Q1 2026
$252.0M
Free Cash Flow
Q1 2026
$164.0M
Operating Margin
Q1 2026
13.8%
ROIC
Q1 2026
3.2%
D/E Ratio
Q1 2026
0.77
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Available Research
13F Pro tracks comprehensive data for QUEST DIAGNOSTICS INC including:
Top Institutional Holders of DGX
BlackRock, Inc.
$1.8B9,172,292 shVANGUARD CAPITAL MANAGEMENT LLC
$1.4B7,145,672 shVANGUARD PORTFOLIO MANAGEMENT LLC
$1.2B6,081,400 shSTATE STREET CORP
$1.1B5,380,821 shBoston Partners
$786.7M4,012,232 shGEODE CAPITAL MANAGEMENT, LLC
$602.7M3,086,308 shMORGAN STANLEY
$486.0M2,479,720 shEdgePoint Investment Group Inc.
$439.8M2,243,869 shDIMENSIONAL FUND ADVISORS LP
$382.1M1,949,535 shGrantham, Mayo, Van Otterloo & Co. LLC
$369.0M1,883,024 sh
| Fund | Value | Shares |
|---|---|---|
| BlackRock, Inc. | $1.8B | 9,172,292 |
| VANGUARD CAPITAL MANAGEMENT LLC | $1.4B | 7,145,672 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $1.2B | 6,081,400 |
| STATE STREET CORP | $1.1B | 5,380,821 |
| Boston Partners | $786.7M | 4,012,232 |
| GEODE CAPITAL MANAGEMENT, LLC | $602.7M | 3,086,308 |
| MORGAN STANLEY | $486.0M | 2,479,720 |
| EdgePoint Investment Group Inc. | $439.8M | 2,243,869 |
| DIMENSIONAL FUND ADVISORS LP | $382.1M | 1,949,535 |
| Grantham, Mayo, Van Otterloo & Co. LLC | $369.0M | 1,883,024 |
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Popular Research
Is DGX a good stock to buy?
13F Pro's AI-powered analysis of QUEST DIAGNOSTICS INC (DGX) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Healthcare sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for DGX are available on the DGX stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.
Which hedge funds own DGX?
Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling DGX. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of QUEST DIAGNOSTICS INC's investment landscape.