Equity · Healthcare
DGX
NYSEQuest Diagnostics (DGX)
The line runs 238 USD on 7 August through 255.68 USD on 4 November, on a scale from 220 to 260. Days the market did not trade hold the previous close, flat.
- Market cap
- 28.1B USD
- P/E (TTM)
- 25.5
- Revenue, year to Dec 2025
- 11.0B USD
- EPS, diluted, year to Dec 2025
- 8.75 USD
- 52-week range
- 173 USD – 255.68 USD
- Avg volume
- 74.3K
- Mentions, 30 days
- 11
- Net sentiment
- +0.06
as of Nov 4, 2026
Have Quest Diagnostics (DGX) insiders bought or sold shares recently?
In the 90 days to 5 Nov 2026, Quest Diagnostics insiders reported 3 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 25 Nov 2025, show no open-market purchase.
Form 4, 90 days to 5 Nov 2026, newest reported trade 26 Oct 2026
Buys 0Sells 3Net sold $8.23MOther filings 10
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 26 Oct 2026 | PFEIFFER GARY MDirector | Sell | 1,203 | 292K USD |
| 01 Sep 2026 | Davis J. E.CEO and President | Sell | 10,000 | 2.4M USD |
| 28 Aug 2026 | PREVOZNIK MICHAEL ESVP & General Counsel | Sell | 22,677 | 5.5M USD |
| Sold | 3 open-market sales | 33,880 | $8.23M |
10 other filings in the window: grants, exercises, tax withholding and transfers, not trades
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 21 Oct 2026 | CARTER ROBERT BDirector | Other | 10 | 2K USD |
| 21 Oct 2026 | DELANEY MARK ESVP & Chief Commercial Officer | Other | 25 | 6K USD |
| 21 Oct 2026 | Gregg Vicky BDirector | Award | 63 | 15K USD |
| 21 Oct 2026 | KUPPUSAMY KARTHIKSVP, Clinical Solutions | Other | 33 | 8K USD |
| 21 Oct 2026 | Lassiter Wright IIIDirector | Other | 6 | 1K USD |
| 21 Oct 2026 | MAIN TIMOTHY LDirector | Other | 18 | 4K USD |
| 21 Oct 2026 | Plewman PatrickSVP for Diagnostic Services | Other | 41 | 10K USD |
| 21 Oct 2026 | SAMAD SAMExecutive Vice President & CFO | Award | 90 | 21K USD |
| 28 Aug 2026 | PREVOZNIK MICHAEL ESVP & General Counsel | Option exercise | 22,677 | 2.5M USD |
| 28 Aug 2026 | PREVOZNIK MICHAEL ESVP & General Counsel | Gift | 1,000 |
Which funds hold Quest Diagnostics (DGX)?
14 of the 45 institutional funds we track reported a Quest Diagnostics position for the quarter ended 30 Jun 2026 — a combined 175.8M USD; the latest of those filings landed 02 Sep 2026.
| Fund | Position | Shares | Value | Shares q/q |
|---|---|---|---|---|
| Balyasny Asset Management | Added | 275,371 | 58.4M USD | +9,402.1% |
| Marshall Wace | Added | 269,760 | 57.2M USD | +34.7% |
| Citadel Advisors | Trimmed | 133,211 | 28.2M USD | −61.6% |
| AQR Capital Management | Held (±25%) | 61,196 | 12.9M USD | +21.7% |
| Citadel Advisors | Added | 1,072,862 | 5.8M USD | +448.8% |
| Point72 Asset Management | New position | 23,380 | 5.0M USD | |
| Millennium Management | Trimmed | 11,434 | 2.4M USD | −77.2% |
| Point72 Asset Management | Added | 326,685 | 1.8M USD | +113.5% |
| Millennium Management | Added | 187,285 | 1.0M USD | +749.8% |
| D. E. Shaw & Co. | Trimmed | 4,814 | 1.0M USD | −96.7% |
Showing the 10 largest of 14 reported positions. The figures above count all of them.
Have members of Congress traded Quest Diagnostics (DGX)?
The most recent congressional trade disclosed in Quest Diagnostics is a sale by Julie Johnson (house, TX), dated 03 Nov 2025.
STOCK Act disclosures
| Traded | Member | Type | Amount | Filed after |
|---|---|---|---|---|
| 03 Nov 2025 | Julie Johnsonhouse · Democrat–TX | Sale | 1K USD–15K USD | 38 days |
| 30 Oct 2025 | Julie Johnsonhouse · Democrat–TX | Sale | 1K USD–15K USD | 279 days |
| 24 Jul 2025 | Julia Letlowhouse · Republican–LA | Sale | 1K USD–15K USD | 173 days |
| 10 Mar 2025 | Carol D. Millerhouse · Republican–WV | Sale | 15K USD–50K USD | 521 days |
| 10 Mar 2025 | Carol D. Millerhouse · Republican–WV | Sale | 1K USD–15K USD | 32 days |
| 14 Nov 2022 | Carol D. Millerhouse · Republican–WV | Purchase | 1K USD–15K USD | 29 days |
| 20 Jun 2016 | Lois Frankelhouse · Democrat–FL | Sale | 1K USD–15K USD | 57 days |
| 27 May 2015 | Lois Frankelhouse · Democrat–FL | Sale | 1K USD–15K USD | 23 days |
What has been filed or recorded for Quest Diagnostics (DGX)?
The filings we hold for Quest Diagnostics, newest first: 5 fails-to-deliver days, 6 quarterly earnings reports, 2 annual reports and 5 reported financial figures, the latest dated 06 Oct 2026. No next earnings date is announced in SEC filings yet.
| And | ||||
|---|---|---|---|---|
| 06 Oct 2026 | Fails to deliver | Shares failed to deliver | 57 shares | 13K USD notional · <0.001% of shares out |
| 05 Oct 2026 | Fails to deliver | Shares failed to deliver | 6,712 shares | 1.6M USD notional · 0.006% of shares out |
| 02 Oct 2026 | Fails to deliver | Shares failed to deliver | 5,864 shares | 1.4M USD notional · 0.005% of shares out |
| 30 Sep 2026 | Quarterly earnings | Q3 2026 reported | EPS 2.78 USD | Revenue $3.10B |
| 30 Sep 2026 | Financials | Total assets | 17.2B USD | at period end |
| 30 Sep 2026 | Financials | Total equity | 7.6B USD | at period end |
| 23 Sep 2026 | Fails to deliver | Shares failed to deliver | 1,056 shares | 248K USD notional · 0.001% of shares out |
| 21 Sep 2026 | Fails to deliver | Shares failed to deliver | 2,262 shares | 557K USD notional · 0.002% of shares out |
| 30 Jun 2026 | Quarterly earnings | Q2 2026 reported | EPS 2.84 USD | Revenue $3.04B |
| 31 Mar 2026 | Quarterly earnings | Q1 2026 reported | EPS 2.24 USD | Revenue $2.90B |
| 31 Dec 2025 | Annual report | FY 2025 reported | EPS 8.75 USD | Revenue $11.04B |
| 31 Dec 2025 | Financials | Revenue | 11.0B USD | fiscal year |
| 31 Dec 2025 | Financials | Net income | 992.0M USD | fiscal year |
| 31 Dec 2025 | Financials | Diluted EPS | 8.75 USD | fiscal year |
| 30 Sep 2025 | Quarterly earnings | Q3 2025 reported | EPS 2.16 USD | Revenue $2.82B |
| 30 Jun 2025 | Quarterly earnings | Q2 2025 reported | EPS 2.47 USD | Revenue $2.76B |
| 31 Mar 2025 | Quarterly earnings | Q1 2025 reported | EPS 1.94 USD | Revenue $2.65B |
| 31 Dec 2024 | Annual report | FY 2024 reported | EPS 7.69 USD | Revenue $9.87B |
What is Reddit saying about Quest Diagnostics (DGX)?
Reddit mentioned DGX 11 times in the 30 days to 5 November 2026, across 4 of the communities we track. All of them were scored for sentiment: 64% read bullish, 0% bearish and 36% neither. Reddit data updated 5 November 2026.
30-day window, Method
Mentions, 30 days 11Bullish 64%Bearish 0%Communities 4Against the market +10 points
How do Reddit mentions of Quest Diagnostics (DGX) compare with its price?
Share ↗
Where Quest Diagnostics (DGX) is discussed
30 days
| Community | Share | Mentions | Net sentiment |
|---|---|---|---|
| r/wallstreetbets | 73% | 8 | +0.05 |
| r/investing | 9% | 1 | +0.12 |
| r/options | 9% | 1 | +0.11 |
| r/stocks | 9% | 1 | +0.08 |
Quest Diagnostics (DGX): frequently asked questions
What did Quest Diagnostics shares close at?
Quest Diagnostics closed at 255.68 USD on 4 Nov 2026, up 3.53% on the close before. That is the end-of-day price from Finazon, not a live quote.
What is Quest Diagnostics’ market cap?
Quest Diagnostics is worth 28.1B USD by market value as of 4 Nov 2026, which is the share price times the shares on issue from its SEC filings.
What is Quest Diagnostics’ P/E ratio?
Quest Diagnostics has a price-to-earnings ratio of 25.5, as of 4 Nov 2026: the share price divided by what the company earned per share over the last four reported quarters. A higher number means the market pays more for each dollar of earnings.
What is Quest Diagnostics’ revenue?
Quest Diagnostics reported revenue of 11.0B USD for the year ended 31 Dec 2025, as filed with the SEC. See Filings
Have Quest Diagnostics insiders bought or sold shares recently?
In the 90 days to 5 Nov 2026, Quest Diagnostics insiders reported 3 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 25 Nov 2025, show no open-market purchase. A further 10 filings were grants, awards, gifts or exercises rather than open-market trades. See Insiders
Which funds own Quest Diagnostics?
14 of the 45 funds we track reported a Quest Diagnostics position for the quarter ended 30 Jun 2026, per their SEC Form 13F filings. The largest reported positions were Balyasny Asset Management, Marshall Wace and Citadel Advisors. See Funds
Have members of Congress traded Quest Diagnostics?
Yes. 8 trades in Quest Diagnostics appear in the congressional disclosures we hold; the latest is a sale by Julie Johnson (House, TX) dated 3 Nov 2025, filed 11 Dec 2025. Amounts are disclosed as ranges, and a filing can follow the trade by up to 45 days. See Congress
When did Quest Diagnostics last report earnings?
Quest Diagnostics last reported earnings on 30 Sep 2026 for Q3 2026, with EPS of 2.78 USD; no next date is announced in SEC filings yet. See Filings
What is Reddit saying about Quest Diagnostics?
Quest Diagnostics was mentioned 0 times in the last 7 days across the finance subreddits we track, and 11 times over the trailing 30 days. Of the 11 mentions scored for sentiment, 64% read bullish and 0% bearish. That is a social signal, not investment advice. See Reddit
Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.
References
- Finazonprior-day close, indicative (IEX-derived, not the official close), most closes dollar-rounded at the source
- TradingViewthe price chart widget, drawn by TradingView from their own data
- RedditReddit ingest across the tracked finance subreddits
- SEC EDGARForm 4 filings (insider transactions)
- SEC EDGAR13F filings
- House disclosuresU.S. House of Representatives financial disclosures
- SECSEC fails-to-deliver (CNS) data
- SEC EDGARXBRL company facts, latest period ended 30 Sep 2026
- SEC EDGARreported earnings figures and scheduled report dates
- SEC EDGARValuation computed from SEC EDGAR filings