DGX Insider Trading

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Insider Ownership Percentage: 8.16%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $12,993,042.64

Quest Diagnostics Insider Trading History Chart

Quest Diagnostics Share Price & Price History

^$176.96

▲ +1.06 (0.60%)

As of 05/9/2025 04:59 PM ET

Days: 30 | 90 | 365

Quest Diagnostics Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
4/2/2025	J. E Davis	CEO	Sell	39,191	$168.46	$6,602,115.86	127,623
4/2/2025	Karthik Kuppusamy	SVP	Sell	2,555	$170.00	$434,350.00	10,575
3/17/2025	Michael E. Prevoznik	SVP	Sell	4,643	$170.00	$789,310.00	38,117
3/5/2025	Catherine T. Doherty	EVP	Sell	5,370	$174.13	$935,078.10	68,068
2/27/2025	Catherine T. Doherty	EVP	Sell	824	$172.61	$142,230.64	69,178
2/27/2025	Michael E. Prevoznik	SVP	Sell	528	$172.61	$91,138.08	39,031
2/20/2025	Michael E. Prevoznik	SVP	Sell	604	$170.99	$103,277.96	39,845
2/19/2025	Catherine T. Doherty	EVP	Sell	535	$169.71	$90,794.85	71,356
2/5/2025	Mark E. Delaney	SVP	Sell	403	$164.30	$66,212.90	4,624
2/5/2025	Vicky B. Gregg	Director	Sell	1,250	$164.57	$205,712.50	16,867
11/6/2024	Michael J. Deppe	CAO	Sell	18,755	$154.05	$2,889,207.75	34,941
10/28/2024	Karthik Kuppusamy	SVP	Sell	1,775	$156.92	$278,533.00	9,734
8/28/2024	Karthik Kuppusamy	SVP	Sell	1,990	$153.26	$304,987.40	11,459
7/24/2024	Mark E. Delaney	SVP	Sell	420	$143.08	$60,093.60	5,019
4/29/2024	Karthik Kuppusamy	SVP	Sell	1,760	$140.00	$246,400.00	13,435
2/29/2024	Michael E. Prevoznik	SVP	Sell	5,611	$125.88	$706,312.68	38,478
2/28/2024	Catherine T. Doherty	EVP	Sell	5,557	$126.57	$703,349.49	69,599
2/23/2024	Vicky B. Gregg	Director	Sell	2,500	$126.64	$316,600.00	16,329
2/22/2024	Catherine T. Doherty	EVP	Sell	821	$126.14	$103,560.94	70,800
2/22/2024	Michael E. Prevoznik	SVP	Sell	661	$126.14	$83,378.54	40,206
2/24/2023	Michael E. Prevoznik	SVP	Sell	1,415	$141.42	$200,109.30	39,440
12/1/2022	Timothy M. Ring	Director	Sell	2,025	$152.50	$308,812.50	24,149
11/28/2022	Catherine T. Doherty	SVP	Sell	40,765	$149.18	$6,081,322.70	67,733
11/1/2022	Timothy M. Ring	Director	Sell	2,000	$144.06	$288,120.00	24,149
10/26/2022	Michael J. Deppe	CAO	Sell	15,497	$145.00	$2,247,065.00	32,013
10/3/2022	Timothy M. Ring	Director	Sell	2,000	$123.39	$246,780.00	23,933
8/1/2022	Timothy M. Ring	Director	Sell	2,000	$136.04	$272,080.00	23,933
7/1/2022	Timothy M. Ring	Director	Sell	2,000	$133.47	$266,940.00	23,933
5/24/2022	Stephen H. Rusckowski	CEO	Sell	282,408	$140.12	$39,571,008.96	334,833
5/17/2022	Michael E. Prevoznik	SVP	Sell	50,604	$139.97	$7,083,041.88	39,224

See Full Table

SEC Filings (Institutional Ownership Changes) for Quest Diagnostics (NYSE:DGX)

88.06% of Quest Diagnostics stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Quest Diagnostics Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/9/2025	Arjuna Capital	9,331	$1.58M	0.4%	-7.7%	0.008%
5/9/2025	Deutsche Bank AG	592,527	$100.26M	0.0%	-11.0%	0.531%
5/9/2025	Chicago Partners Investment Group LLC	1,146	$0.20M	0.0%	N/A	0.001%
5/9/2025	Commonwealth Financial Services LLC	2,100	$0.36M	0.1%	-8.0%	0.002%
5/9/2025	Charles Schwab Investment Management Inc.	740,838	$125.35M	0.0%	+0.6%	0.664%
5/9/2025	ASR Vermogensbeheer N.V.	8,324	$1.41M	0.0%	N/A	0.007%
5/9/2025	Roberts Glore & Co. Inc. IL	13,719	$2.32M	0.7%	-5.0%	0.012%
5/9/2025	Exencial Wealth Advisors LLC	67,179	$11.37M	0.4%	-0.2%	0.060%
5/9/2025	Vanguard Group Inc.	13,936,716	$2.36B	0.0%	-0.2%	12.484%
5/9/2025	Wealthspire Advisors LLC	3,382	$0.57M	0.0%	-8.4%	0.003%
5/9/2025	Cary Street Partners Investment Advisory LLC	1,037	$0.18M	0.1%	+423.7%	0.001%
5/9/2025	Atria Wealth Solutions Inc.	2,067	$0.35M	0.0%	-32.8%	0.002%
5/9/2025	Levin Capital Strategies L.P.	1,500	$0.25M	0.0%	-81.3%	0.001%
5/9/2025	Farrow Financial Inc.	14,191	$2.40M	1.6%	-3.6%	0.013%
5/9/2025	Cary Street Partners Financial LLC	1,512	$0.26M	0.0%	-38.4%	0.001%
5/9/2025	Thoroughbred Financial Services LLC	12,390	$2.10M	0.1%	-0.5%	0.011%
5/9/2025	ING Groep NV	13,074	$2.21M	0.0%	+26.8%	0.012%
5/9/2025	SGL Investment Advisors Inc.	26,715	$4.70M	2.4%	-2.8%	0.024%
5/9/2025	Smithfield Trust Co	1,023	$0.17M	0.0%	-14.4%	0.001%
5/9/2025	Blair William & Co. IL	52,621	$8.90M	0.0%	+31.0%	0.047%
5/9/2025	Argent Trust Co	31,645	$5.35M	0.2%	+1.0%	0.028%
5/9/2025	Cheviot Value Management LLC	324	$58K	0.0%	N/A	0.000%
5/9/2025	Liberty Wealth Management LLC	15,059	$2.55M	0.0%	N/A	0.013%
5/9/2025	J. Safra Sarasin Holding AG	8,936	$1.51M	0.0%	-43.1%	0.008%
5/9/2025	Bank of Nova Scotia	13,377	$2.26M	0.0%	-22.0%	0.012%
5/9/2025	PNC Financial Services Group Inc.	37,713	$6.38M	0.0%	-0.6%	0.034%
5/8/2025	TIAA Trust National Association	1,594	$0.27M	0.0%	N/A	0.001%
5/8/2025	Blueshift Asset Management LLC	9,645	$1.63M	0.6%	N/A	0.009%
5/8/2025	Commerce Bank	13,478	$2.28M	0.0%	-6.5%	0.012%
5/8/2025	Hartford Investment Management Co.	6,818	$1.15M	0.0%	-1.0%	0.006%
5/8/2025	Jefferies Financial Group Inc.	25,601	$4.33M	0.0%	+2.8%	0.023%
5/8/2025	US Bancorp DE	23,562	$3.99M	0.0%	-3.4%	0.021%
5/8/2025	Foster & Motley Inc.	30,629	$5.18M	0.3%	-5.4%	0.027%
5/8/2025	Natixis Advisors LLC	112,232	$18.99M	0.0%	+7.9%	0.101%
5/8/2025	Arkadios Wealth Advisors	5,279	$0.89M	0.0%	-3.6%	0.005%
5/8/2025	Tredje AP fonden	22,340	$3.78M	0.0%	+155.4%	0.020%
5/8/2025	Vestcor Inc	4,443	$0.75M	0.0%	-2.1%	0.004%
5/8/2025	XTX Topco Ltd	7,779	$1.32M	0.1%	N/A	0.007%
5/8/2025	Harvest Fund Management Co. Ltd	5,044	$0.85M	0.0%	+86.1%	0.005%
5/8/2025	Banque Cantonale Vaudoise	8,854	$1.50M	0.1%	N/A	0.008%
5/8/2025	Federated Hermes Inc.	488	$83K	0.0%	-60.4%	0.000%
5/7/2025	Meeder Advisory Services Inc.	3,003	$0.51M	0.0%	+18.3%	0.003%
5/7/2025	Ironsides Asset Advisors LLC	1,445	$0.24M	0.1%	N/A	0.001%
5/7/2025	Foundations Investment Advisors LLC	1,455	$0.25M	0.0%	N/A	0.001%
5/7/2025	AGP Franklin LLC	7,307	$1.22M	0.8%	+28.4%	0.007%
5/7/2025	Mackenzie Financial Corp	12,532	$2.12M	0.0%	+13.9%	0.011%
5/7/2025	Nkcfo LLC	16,720	$2.83M	1.3%	N/A	0.015%
5/7/2025	Galvin Gaustad & Stein LLC	8,542	$1.45M	0.1%	-12.7%	0.008%
5/7/2025	TCW Group Inc.	15,382	$2.60M	0.0%	N/A	0.014%
5/7/2025	Perkins Capital Management Inc.	1,200	$0.20M	0.2%	N/A	0.001%
5/7/2025	LPL Financial LLC	63,955	$10.82M	0.0%	+27.5%	0.057%
5/7/2025	Zurcher Kantonalbank Zurich Cantonalbank	55,055	$9.32M	0.0%	-4.6%	0.049%
5/7/2025	Empirical Finance LLC	4,058	$0.69M	0.0%	+3.9%	0.004%
5/7/2025	TD Asset Management Inc	102,530	$17.35M	0.0%	+7.1%	0.092%
5/7/2025	HB Wealth Management LLC	11,147	$1.89M	0.0%	+34.7%	0.010%
5/7/2025	Heartland Advisors Inc.	102,472	$17.34M	1.0%	-34.0%	0.092%
5/7/2025	Knights of Columbus Asset Advisors LLC	46,394	$7.85M	0.5%	+4.4%	0.042%
5/7/2025	Skandinaviska Enskilda Banken AB publ	133,077	$22.52M	0.1%	+411.0%	0.119%
5/6/2025	Pacer Advisors Inc.	5,708	$0.97M	0.0%	-36.7%	0.005%
5/6/2025	Assetmark Inc.	6,812	$1.15M	0.0%	+7.1%	0.006%
5/6/2025	Cetera Investment Advisers	23,006	$3.89M	0.0%	+25.0%	0.021%
5/6/2025	Avantax Advisory Services Inc.	8,990	$1.52M	0.0%	+6.3%	0.008%
5/6/2025	ANTIPODES PARTNERS Ltd	802	$0.14M	0.0%	N/A	0.001%
5/6/2025	Lifeworks Advisors LLC	4,861	$0.82M	0.1%	+10.5%	0.004%
5/6/2025	Pinnacle Associates Ltd.	12,650	$2.14M	0.0%	+3.8%	0.011%
5/6/2025	AE Wealth Management LLC	2,479	$0.42M	0.0%	+49.4%	0.002%
5/6/2025	J. W. Coons Advisors LLC	1,200	$0.20M	0.1%	N/A	0.001%
5/6/2025	Roundview Capital LLC	9,198	$1.56M	0.1%	-9.5%	0.008%
5/6/2025	Madison Asset Management LLC	10,022	$1.70M	0.0%	+28.2%	0.009%
5/6/2025	Oak Thistle LLC	5,219	$0.88M	0.2%	-34.2%	0.005%
5/6/2025	KLP Kapitalforvaltning AS	40,303	$6.82M	0.0%	+10.4%	0.036%
5/6/2025	Bank Julius Baer & Co. Ltd Zurich	348	$59K	0.0%	-18.5%	0.000%
5/6/2025	Universal Beteiligungs und Servicegesellschaft mbH	219,726	$37.18M	0.1%	-1.6%	0.197%
5/6/2025	Y Intercept Hong Kong Ltd	7,258	$1.23M	0.1%	N/A	0.007%
5/6/2025	Choreo LLC	1,662	$0.28M	0.0%	+4.5%	0.001%
5/5/2025	HighPoint Advisor Group LLC	6,161	$1.10M	0.1%	+5.2%	0.006%
5/5/2025	Allianz Asset Management GmbH	389,055	$65.83M	0.1%	-25.3%	0.349%
5/5/2025	RD Lewis Holdings Inc.	2,631	$0.47M	0.5%	-2.6%	0.002%
5/5/2025	Teachers Retirement System of The State of Kentucky	8,617	$1.46M	0.0%	+4.6%	0.008%
5/5/2025	IFP Advisors Inc	13,442	$2.36M	0.1%	-13.4%	0.012%
5/5/2025	Kestra Private Wealth Services LLC	2,065	$0.35M	0.0%	+50.1%	0.002%
5/5/2025	Foundry Partners LLC	102,473	$17.34M	0.9%	-5.4%	0.092%
5/5/2025	Private Advisor Group LLC	5,971	$1.01M	0.0%	-6.0%	0.005%
5/5/2025	Diversify Advisory Services LLC	1,387	$0.25M	0.0%	N/A	0.001%
5/5/2025	Creekmur Asset Management LLC	1,578	$0.27M	0.1%	+12,038.5%	0.001%
5/2/2025	Sachetta LLC	202	$34K	0.0%	-55.4%	0.000%
5/2/2025	Forum Financial Management LP	2,202	$0.37M	0.0%	-34.4%	0.002%
5/2/2025	Kingsview Wealth Management LLC	17,184	$2.91M	0.1%	N/A	0.015%
5/2/2025	Ascent Wealth Partners LLC	6,011	$1.02M	0.1%	+49.5%	0.005%
5/2/2025	Legacy Capital Wealth Partners LLC	2,447	$0.41M	0.1%	N/A	0.002%
5/2/2025	Cullen Frost Bankers Inc.	1,059	$0.18M	0.0%	+5.9%	0.001%
5/2/2025	Victory Capital Management Inc.	3,133,527	$530.19M	0.5%	-6.7%	2.807%
5/2/2025	Bryn Mawr Capital Management LLC	1,991	$0.34M	0.0%	N/A	0.002%
5/2/2025	Tectonic Advisors LLC	3,212	$0.54M	0.0%	-4.8%	0.003%
5/2/2025	Larson Financial Group LLC	323	$55K	0.0%	+101.9%	0.000%
5/2/2025	Wealthfront Advisers LLC	23,281	$3.94M	0.0%	-0.8%	0.021%
5/2/2025	Hager Investment Management Services LLC	1,897	$0.32M	0.2%	-7.5%	0.002%
5/2/2025	Massachusetts Financial Services Co. MA	158,749	$26.86M	0.0%	-0.2%	0.142%
5/2/2025	Dakota Wealth Management	1,807	$0.31M	0.0%	+32.7%	0.002%
5/2/2025	Apollon Wealth Management LLC	6,668	$1.13M	0.0%	+5.5%	0.006%

Data available starting January 2016

See Full Table

Quest Diagnostics Incorporated provides diagnostic testing and services in the United States and internationally. The company develops and delivers diagnostic information services, such as routine, non-routine and advanced clinical testing, anatomic pathology testing, and other diagnostic information services. It offers diagnostic information services primarily under the Quest Diagnostics brand, as well as under the AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum brands to physicians, hospitals, patients and consumers, health plans, government agencies, employers, retailers, pharmaceutical companies and insurers, and accountable care organizations through a network of laboratories, patient service centers, phlebotomists in physician offices, call centers and mobile phlebotomists, nurses, and other health and wellness professionals. The company also provides risk assessment services for the life insurance industry; and healthcare organizations and clinicians information technology solutions. Quest Diagnostics Incorporated was founded in 1967 and is headquartered in Secaucus, New Jersey.

Today's Range

Now: $176.96

$175.12

$178.02

50 Day Range

MA: $169.70

$160.03

$178.92

52 Week Range

Now: $176.96

$135.47

$179.32

Volume

1,309,977 shs

Average Volume

971,051 shs

Market Capitalization

$19.75 billion

P/E Ratio

23.01

Dividend Yield

1.82%

Beta

0.52

Who are the company insiders with the largest holdings of Quest Diagnostics?: Quest Diagnostics' top insider shareholders include:
J E Davis (CEO)
Catherine T Doherty (EVP)
Michael E Prevoznik (SVP)
Michael J Deppe (CAO)
Vicky B Gregg (Director)
Karthik Kuppusamy (SVP)
Mark E Delaney (SVP)
Learn More about top insider investors at Quest Diagnostics.
Who are the major institutional investors of Quest Diagnostics?: Quest Diagnostics' top institutional shareholders include:
Vanguard Group Inc. — 12.48%
Victory Capital Management Inc. — 2.81%
Bank of New York Mellon Corp — 0.78%
DekaBank Deutsche Girozentrale — 0.69%
Charles Schwab Investment Management Inc. — 0.66%
Deutsche Bank AG — 0.53%
Learn More about top institutional investors of Quest Diagnostics stock.
Which institutional investors are selling Quest Diagnostics stock?: In the last quarter, DGX stock was sold by these institutional investors:
Victory Capital Management Inc.
Allianz Asset Management GmbH
Assenagon Asset Management S.A.
Deutsche Bank AG
Heartland Advisors Inc.
New York State Common Retirement Fund
Vanguard Group Inc.
Edgestream Partners L.P.
In the previous year, company insiders that have sold Quest Diagnostics company stock include:
J E Davis (CEO)
Catherine T Doherty (EVP)
Michael E Prevoznik (SVP)
Michael J Deppe (CAO)
Vicky B Gregg (Director)
Karthik Kuppusamy (SVP)
Mark E Delaney (SVP)
Learn More investors selling Quest Diagnostics stock.
Which institutional investors are buying Quest Diagnostics stock?: During the last quarter, DGX stock was bought by institutional investors including:
GAMMA Investing LLC
Coho Partners Ltd.
Skandinaviska Enskilda Banken AB publ
CHURCHILL MANAGEMENT Corp
Envestnet Asset Management Inc.
Adams Diversified Equity Fund Inc.
Principal Financial Group Inc.
Bremer Bank National Association