Also trades as: 0KSX.L (LSE) · $vol 0M
DGX NYSE
Quest Diagnostics Incorporated
1W: +3.1%
1M: -5.0%
3M: -4.3%
YTD: +12.0%
1Y: +9.7%
3Y: +56.2%
5Y: +56.4%
$195.09
+1.27 (+0.66%)
Weekly Expected Move ±3.8%
$173
$180
$187
$194
$201
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🏦 Institutional Activity
Latest: Q1 20261,151
Institutions Holding
+6 vs prior
73.0%
Ownership
-5.42%
111
New
316
Increased
524
Reduced
186
Closed
👔 Insider Trades
25 records| Date | Name | Title | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-04-20 | DELANEY MARK E | officer: svp & chief commercial officer | L-L | 37 | $194.70 | $7K | Filing |
| 2026-04-20 | KUPPUSAMY KARTHIK | officer: svp, clinical solutions | L-L | 39 | $194.70 | $8K | Filing |
| 2026-04-20 | Lassiter Wright III | director | L-L | 6 | $194.70 | $1K | Filing |
| 2026-04-20 | CARTER ROBERT B | director | L-L | 7 | $194.70 | $1K | Filing |
| 2026-04-20 | Gregg Vicky B | director | A-Grant/Award | 68 | $194.70 | $13K | Filing |
| 2026-04-20 | Plewman Patrick | officer: svp for diagnostic services | L-L | 49 | $194.70 | $10K | Filing |
| 2026-04-20 | SAMAD SAM | officer: executive vice president & cfo | A-Grant/Award | 108 | $194.70 | $21K | Filing |
| 2026-03-05 | PREVOZNIK MICHAEL E | officer: svp & general counsel | S-Sale | 3,878 | $206.21 | $800K | Filing |
| 2026-03-05 | Doherty Catherine T. | officer: evp, regional businesses | S-Sale | 5,558 | $206.21 | $1.1M | Filing |
| 2026-03-05 | Plewman Patrick | officer: svp for diagnostic services | S-Sale | 2,855 | $206.21 | $589K | Filing |
| 2026-03-04 | KUPPUSAMY KARTHIK | officer: svp, clinical solutions | A-Grant/Award | 6,200 | $204.86 | $1.3M | Filing |
| 2026-03-04 | KUPPUSAMY KARTHIK | officer: svp, clinical solutions | S-Sale | 2,628 | $204.86 | $538K | Filing |
| 2026-03-04 | PREVOZNIK MICHAEL E | officer: svp & general counsel | A-Grant/Award | 7,232 | $204.86 | $1.5M | Filing |
| 2026-03-04 | Davis J. E. | officer: ceo and president | A-Grant/Award | 51,652 | $204.86 | $10.6M | Filing |
| 2026-03-04 | Plewman Patrick | officer: svp for diagnostic services | A-Grant/Award | 5,682 | $204.86 | $1.2M | Filing |
| 2026-03-04 | Plewman Patrick | officer: svp for diagnostic services | F-Tax Withholding | 2,827 | $204.86 | $579K | Filing |
| 2026-03-04 | SAMAD SAM | officer: executive vice president & cfo | A-Grant/Award | 13,947 | $204.86 | $2.9M | Filing |
| 2026-03-04 | SAMAD SAM | officer: executive vice president & cfo | F-Tax Withholding | 7,720 | $204.86 | $1.6M | Filing |
| 2026-03-04 | Doherty Catherine T. | officer: evp, regional businesses | F-Tax Withholding | 5,806 | $204.86 | $1.2M | Filing |
| 2026-03-04 | Doherty Catherine T. | officer: evp, regional businesses | A-Grant/Award | 11,364 | $204.86 | $2.3M | Filing |
| 2026-03-04 | Deppe Michael J | officer: svp, corp. controller & cao | F-Tax Withholding | 750 | $204.86 | $154K | Filing |
| 2026-03-04 | Deppe Michael J | officer: svp, corp. controller & cao | A-Grant/Award | 1,473 | $204.86 | $302K | Filing |
| 2026-03-04 | Davis J. E. | officer: ceo and president | F-Tax Withholding | 26,414 | $204.86 | $5.4M | Filing |
| 2026-03-04 | DELANEY MARK E | officer: svp & chief commercial officer | F-Tax Withholding | 2,326 | $204.86 | $477K | Filing |
| 2026-03-04 | DELANEY MARK E | officer: svp & chief commercial officer | A-Grant/Award | 5,682 | $204.86 | $1.2M | Filing |
🏛️ Congressional Trades
25 records| Date | Politician | Chamber | Type | Amount | Filing |
|---|---|---|---|---|---|
| 2025-11-03 | Julie Johnson | House | Sell | $1,001 - $15,000 | Filing |
| 2025-03-10 | Carol Devine Miller | House | Sell | $1,001 - $15,000 | Filing |
| 2025-01-24 | Gilbert Cisneros | House | Sell | $1,001 - $15,000 | Filing |
| 2024-11-15 | Ro Khanna | House | Buy | $1,001 - $15,000 | Filing |
| 2024-04-04 | Earl Blumenauer | House | Sell | $1,001 - $15,000 | Filing |
| 2024-02-13 | Ro Khanna | House | Sell | $1,001 - $15,000 | Filing |
| 2024-02-13 | Ro Khanna | House | Sell | $1,001 - $15,000 | Filing |
| 2024-01-03 | Tommy Tuberville | Senate | Sell | $15,001 - $50,000 | Filing |
| 2024-01-03 | Tommy Tuberville | Senate | Sell | $15,001 - $50,000 | Filing |
| 2023-12-11 | Thomas R. Carper | Senate | Sell | $1,001 - $15,000 | Filing |
| 2023-12-11 | Thomas R. Carper | Senate | Sell | $1,001 - $15,000 | Filing |
| 2023-10-31 | Ro Khanna | House | Buy | $1,001 - $15,000 | Filing |
| 2023-09-06 | Ro Khanna | House | Sell | $1,001 - $15,000 | Filing |
| 2023-06-29 | Ro Khanna | House | Buy | $1,001 - $15,000 | Filing |
| 2022-11-14 | Carol Devine Miller | House | Buy | $1,001 - $15,000 | Filing |
| 2022-08-03 | Kathy Manning | House | Sell | $1,001 - $15,000 | Filing |
| 2022-07-20 | Kathy Manning | House | Buy | $1,001 - $15,000 | Filing |
| 2022-03-31 | Michael McCaul | House | Sell | $100,001 - $250,000 | Filing |
| 2022-03-31 | Michael McCaul | House | Sell | $50,001 - $100,000 | Filing |
| 2022-03-14 | Earl Blumenauer | House | Sell | $1,001 - $15,000 | Filing |
| 2022-02-24 | Earl Blumenauer | House | Buy | $1,001 - $15,000 | Filing |
| 2022-02-17 | Ro Khanna | House | Sell | $1,001 - $15,000 | Filing |
| 2022-01-28 | Michael McCaul | House | Sell | $1,001 - $15,000 | Filing |
| 2022-01-28 | Michael McCaul | House | Sell | $1,001 - $15,000 | Filing |
| 2022-01-21 | Ro Khanna | House | Buy | $1,001 - $15,000 | Filing |
🏦 Top Institutional Holders
20 holders| Holder | Shares | Value | Date Reported | Filing | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,172,292 | $1.8B | -286,926 | 2026-03-31 | Filing |
| VANGUARD CAPITAL MANAGEMENT LLC | 7,145,672 | $1.4B | +7,145,672 | 2026-03-31 | Filing |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6,081,400 | $1.2B | +6,081,400 | 2026-03-31 | Filing |
| STATE STREET CORP | 5,380,821 | $1.1B | -1,726 | 2026-03-31 | Filing |
| JPMORGAN CHASE & CO | 3,846,456 | $758M | -299,440 | 2026-03-31 | Filing |
| GEODE CAPITAL MANAGEMENT, LLC | 3,086,308 | $603M | +58,101 | 2026-03-31 | Filing |
| DIMENSIONAL FUND ADVISORS LP | 1,949,535 | $382M | +17,987 | 2026-03-31 | Filing |
| Grantham, Mayo, Van Otterloo & Co. LLC | 1,883,024 | $369M | +66,964 | 2026-03-31 | Filing |
| VICTORY CAPITAL MANAGEMENT INC | 1,846,336 | $362M | -280,086 | 2026-03-31 | Filing |
| BANK OF AMERICA CORP /DE | 1,752,902 | $344M | +129,964 | 2026-03-31 | Filing |
| Invesco Ltd. | 1,638,487 | $321M | -28,492 | 2026-03-31 | Filing |
| Davis Selected Advisers | 1,617,813 | $317M | +27,930 | 2026-03-31 | Filing |
| GOLDMAN SACHS GROUP INC | 1,348,694 | $264M | -360,231 | 2026-03-31 | Filing |
| NORTHERN TRUST CORP | 1,114,219 | $218M | +35,646 | 2026-03-31 | Filing |
| FMR LLC | 942,218 | $185M | -260,036 | 2026-03-31 | Filing |
| AMERICAN CENTURY COMPANIES INC | 867,331 | $170M | -3,169 | 2026-03-31 | Filing |
| UBS AM, a distinct business unit of UBS | 846,603 | $166M | -332 | 2026-03-31 | Filing |
| AMERIPRISE FINANCIAL INC | 807,477 | $158M | -5,977 | 2026-03-31 | Filing |
| M&G PLC | 805,341 | $158M | -139,711 | 2026-03-31 | Filing |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 760,790 | $149M | +9,736 | 2026-03-31 | Filing |