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NYSE · Healthcare

QUEST DIAGNOSTICS INC (DGX)

As-reported financials and SEC filings for QUEST DIAGNOSTICS INC. The latest annual period is FY2025. The latest reported quarter is Q2 FY2026. Financial statements come straight from the company’s EDGAR filings; valuation figures such as P/E and market cap use market data.

About QUEST DIAGNOSTICS INC

Quest Diagnostics provides diagnostic testing services and laboratory insights to healthcare providers, patients, and organizations. The company serves approximately half of the adult population in the United States annually, including about half of U.S. physicians and hospitals. Its services include a broad menu of laboratory tests, hospital lab management solutions, and consumer-initiated testing options through digital platforms and patient service centers.

Snapshot

Revenue
$11.04B
Revenue growth (YoY)
11.8%
Net income
$992.0M
Diluted EPS
$8.75
Gross margin
33.2%
Operating margin
14.1%
Net margin
9.0%
FCF margin
12.3%
ROE
13.8%
net income / fiscal-year-end equity
P/E
25.5×
trailing when available, otherwise FY EPS
Market cap
$26.07B
Long-term debt / equity
0.72×
non-current term debt only

Fundamentals are from SEC filings for FY2025, the latest annual period (ended December 31, 2025). P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.

What changed at Quest Diagnostics

  • Revenue grew 11.8% to $11.0B in FY2025, faster than the 6.7% the year before.
  • Operating margin is 14.1% in FY2025, -8.0 pp against 22.1% in FY2021.
  • Most recent quarter Q2 FY2026: revenue $3.0B, up 10.2% from Q2 FY2025.
  • Free cash flow was $1.4B in FY2025, 12.3% of revenue.
  • Net income rose 13.9% to $992M in FY2025.

Computed from the as-reported figures in the statements below. A change we cannot state from filed figures is left out rather than estimated.

Peer comparison

Where Quest Diagnostics’s fundamentals sit among the 558 Healthcare companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).

Gross margin33.2%
15th percentile of 282
Operating margin14.1%
78th percentile of 399
Net margin9.0%
74th percentile of 418
FCF margin12.3%
72nd percentile of 372
Revenue growth (YoY)+11.8%
54th percentile of 538
ROE13.8%
79th percentile of 473
P/E25.5×
53rd percentile of 201
Long-term debt / equity0.72×
65th percentile of 243
Short interest4.67d
53rd percentile of 557

Quest Diagnostics’s gross margin of 33.2% ranks in the 15th percentile of the 282 Healthcare companies reporting it.

No reported insider purchases (code P) in the last 90 days; 5 insider sales totaling $7.5M. For context, about 15% of companies in the universe saw any reported insider purchase (code P) in the same window. Browse insider activity →

Percentiles describe where a figure sits among sector peers reporting it (100th = highest). They are position within a peer group, not a rating, and not investment advice. Short interest ranking uses days to cover from FINRA Consolidated Short Interest data; FINRA is the owner and source of that data, included at no additional charge.

Institutional ownership

Held by 3 of the superinvestors we track (plus 5 quant / multi-strat books), based on each investor’s most recent 13F; periods vary by investor (newest: Q2 2026).

Conviction investors
3
+5 quant / multi-strat
Initiated / added
4
1 new, 3 added
Reduced / exited
5
4 trimmed, 1 exited
Combined position
$76.9M
reported long value
InvestorAs ofPosition valueSharesChange
Citadel AdvisorsquantQ2 2026$28.2M133.2KReduced
Gotham Asset ManagementQ2 2026$24.9M117.5KReduced
AQR Capital ManagementquantQ2 2026$12.9M61.2KAdded
Point72 Asset ManagementquantQ2 2026$5.0M23.4KNew
Millennium ManagementquantQ2 2026$2.4M11.4KReduced
First Eagle Investment ManagementQ2 2026$1.6M7.6KAdded
D. E. ShawquantQ2 2026$1.0M4.8KReduced
Bridgewater AssociatesQ2 2026$796,0843.8KAdded

No longer held by: Maverick Capital (as of Q2 2026)

From quarterly Form 13F filings, which can be up to 45 days delayed. Long US-listed positions only: excludes short positions, options, cash, bonds, and non-US holdings, so this is not a manager’s complete portfolio. Counts are of the investors we track, not all institutions. Not investment advice.

Recent insider activity

Non-derivative buys and sells (codes P/S) reported by officers, directors and 10% owners on SEC Form 4.

Buys (90d)
0
code P
Bought (90d)
code P value
Sells (90d)
5
$7.5M
Reported activity
Net selling
by $ value, 90d
Trade dateInsiderTypeSharesPriceValue
2026-08-28
filed 2026-08-31
PREVOZNIK MICHAEL ESVP & General CounselSell16.0K$242.88$3.9M
2026-08-28
filed 2026-08-31
PREVOZNIK MICHAEL ESVP & General CounselSell6.2K$243.63$1.5M
2026-08-28
filed 2026-08-31
PREVOZNIK MICHAEL ESVP & General CounselSell430$244.51$105K
2026-07-28
filed 2026-07-29
DELANEY MARK ESVP & Chief Commercial OfficerSell1.6K$235.18$376K
2026-06-04
filed 2026-06-08
KUPPUSAMY KARTHIKSVP, Clinical SolutionsSell8.1K$200.00$1.6M
2026-06-01
filed 2026-06-02
Davis J. E.CEO and PresidentSell10.0K$194.14$1.9M

Reported non-derivative purchases and sales (codes P/S) — which may be open-market or private; excludes option exercises, grants, and shares withheld for taxes. Dates shown are the trade date; a Form 4 can be filed days to years later. A sale can be routine (e.g. a pre-set 10b5-1 plan), so read individual transactions in context. From SEC Form 4. Not investment advice.

Short interest

Total shares sold short as of each twice-monthly FINRA settlement. Rising short interest means more investors are positioned against the stock; days to cover estimates how many trading days of average volume that position represents.

Shares short
3.3M
settled 2026-08-14
Change vs prior
-9.8%
vs previous settlement
Days to cover
4.67
at avg daily volume
Avg daily volume
711.5K
FINRA reported
SettlementShares shortChangeDays to cover
2026-08-143.3M-9.8%4.67
2026-07-313.7M+5.0%2.74
2026-07-153.5M-6.0%4.26
2026-06-303.7M+9.2%3.84
2026-06-153.4M-0.3%4.26
2026-05-293.4M-7.6%4.17
2026-05-153.7M+9.6%4.99
2026-04-303.4M-4.6%2.59

Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data, which is included at no additional charge for your own personal or professional use; republishing or redistributing it is not permitted. Settlement dates are shown; FINRA publishes each settlement about nine business days later, so the latest figure can be two to four weeks old. Not presented as a percentage of float. No FINRA endorsement of this product is implied. Not investment advice.

Income statement (as reported)

 FY2025FY2024FY2023FY2022FY2021
Revenue$11.04B$9.87B$9.25B$9.88B$10.79B
Gross profit$3.67B$3.24B$3.05B$3.43B$4.21B
Operating income$1.56B$1.35B$1.26B$1.43B$2.38B
Net income$992.0M$871.0M$854.0M$946.0M$2.00B
Diluted EPS$8.75$7.69$7.49$7.97$15.55

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Balance sheet (as reported)

 FY2025FY2024FY2023FY2022FY2021
Cash and equivalents$420.0M$549.0M$686.0M$315.0M$872.0M
Current assets$2.38B$2.39B$2.37B$1.90B$2.74B
Total assets$16.23B$16.15B$14.02B$12.84B$13.61B
Current liabilities$2.28B$2.17B$1.81B$1.55B$1.75B
Long-term debt$5.17B$5.62B$4.41B$3.98B$4.01B
Total liabilities$9.02B$9.34B$7.68B$6.91B$7.13B
Total equity$7.21B$6.81B$6.34B$5.93B$6.48B

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Cash flow (as reported)

 FY2025FY2024FY2023FY2022FY2021
Operating cash flow$1.89B$1.33B$1.27B$1.72B$2.23B
Capital expenditure$527.0M$425.0M$408.0M$404.0M$403.0M
Free cash flow$1.36B$909.0M$864.0M$1.31B$1.83B

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Quarterly trend (as reported)

QuarterRevenueRevenue YoYNet incomeDiluted EPS
Q2 FY2026$3.04B10.2%$320.0M$2.84
Q1 FY2026$2.90B9.2%$252.0M$2.24
Q4 FY2025$2.81B7.1%$245.0M$2.17
Q3 FY2025$2.82B13.2%$245.0M$2.16
Q2 FY2025$2.76B15.2%$282.0M$2.47
Q1 FY2025$2.65B12.1%$220.0M$1.94
Q4 FY2024$2.62B14.6%$222.0M$1.91
Q3 FY2024$2.49B8.4%$226.0M$1.99

Latest 8 reported quarters, from company XBRL filings on SEC EDGAR.

Company facts

ExchangeNYSE
SectorHealthcare
SIC industryServices-Medical Laboratories
Latest annual periodFY2025 (ended December 31, 2025)
Latest reported quarterQ2 FY2026 (ended June 30, 2026)
Oldest indexed filing2016
SEC CIK1022079

Selected SEC filings

10-K2026-02-26
View on EDGAR →
10-K2025-02-20
View on EDGAR →
10-Q2026-07-23
View on EDGAR →
10-Q2026-04-22
View on EDGAR →
10-Q2025-10-21
View on EDGAR →
10-Q2025-07-23
View on EDGAR →
8-K2026-07-23
View on EDGAR →
8-K2026-05-21
View on EDGAR →

Largest Healthcare peers

All Healthcare companies →

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Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.