QUEST DIAGNOSTICS INC

DGX

QUEST DIAGNOSTICS INC

DGX

Insider Sentiment (TTM):

Last Purchase:-Last Sale:2026-06-04Shares Purchased (TTM):0Shares Sold (TTM):162,363

Institutional Sentiment:

As of:2026-03-31Institutional Shares Owned:89,294,637Shares Outstanding:110,000,000Institutional Ownership Pct.:81.18%

Earnings Market Reaction:

Filing Date:2026-07-23Price on Filing Date:N/APrevious Close:N/A% Change:N/A

Companies in Services-Medical Laboratories

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Financial Statements

10‑Q10‑K

Values in Millions ($)	2026-06-30	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30
Cash And Cash Equivalents At Carrying Value	626	393	420	432	319	188	549	764	271	474	686	143
Accounts Receivable Net Current	1,666	1,587	1,408	1,456	1,419	1,404	1,304	1,376	1,319	1,322	1,210	1,281
Inventory Net	233	225	189	186	187	189	188	184	182	181	190	184
Prepaid Expense And Other Assets Current	319	361	361	333	273	294	351	299	245	251	286	207
Assets Current	2,844	2,566	2,378	2,407	2,198	2,075	2,392	2,623	2,017	2,228	2,372	1,815
Property Plant And Equipment Net	2,219	2,189	2,203	2,145	2,120	2,098	2,113	2,093	1,832	1,810	1,816	1,830
Operating Lease Right Of Use Asset	678	691	657	649	655	656	651	661	603	579	602	607
Goodwill	9,112	9,120	8,945	8,901	8,883	8,849	8,856	8,605	7,885	7,830	7,733	7,732
Intangible Assets Net Excluding Goodwill	1,672	1,717	1,636	1,662	1,706	1,725	1,763	1,716	1,202	1,192	1,166	1,219
Equity Method Investments	137	134	136	137	136	134	123	125	126	133	135	130
Other Assets Noncurrent	277	256	270	296	271	260	255	272	216	182	198	149
Assets	16,939	16,673	16,225	16,197	15,969	15,797	16,153	16,095	13,881	13,954	14,022	13,482
Liabilities And Stockhold…
Accounts Payable And Accrued Liabilities Current	1,598	1,500	1,600	1,457	1,349	1,267	1,394	1,313	1,247	1,239	1,359	1,157
Long Term Debt Current	10	503	504	504	504	1	602	603	606	906	303	304
Operating Lease Liability Current	180	174	174	173	171	173	173	176	159	153	153	157
Liabilities Current	1,788	2,177	2,278	2,134	2,024	1,441	2,169	2,092	2,012	2,298	1,815	1,618
Long Term Debt And Capital Lease Obligations	5,632	5,155	5,167	5,171	5,169	5,858	5,615	5,648	3,816	3,804	4,410	3,946
Operating Lease Liability Noncurrent	561	574	537	534	540	538	535	543	507	489	503	505
Other Liabilities Noncurrent	1,059	1,022	957	982	890	917	938	891	811	817	876	874
Redeemable Noncontrolling Interest Equity Carrying…	80	79	80	81	81	81	83	80	79	77	76	76
Stockholders Equity Inclu…
Stockholders Equity
Common Stock Value	2	2	2	2	2	2	2	2	2	2	2	2
Additional Paid In Capital Common Stock	2,374	2,347	2,381	2,355	2,332	2,310	2,361	2,332	2,314	2,292	2,320	2,302
Retained Earnings Accumulated Deficit	10,374	10,151	9,994	9,837	9,682	9,490	9,360	9,222	9,080	8,935	8,825	8,711
Accumulated Other Comprehensive Income Loss Net Of…	-62	-43	-27	-40	-16	-83	-88	-15	-19	-16	-14	-20
Treasury Stock Value	-5,172	-5,091	-5,180	-4,896	-4,772	-4,790	-4,857	-4,732	-4,760	-4,781	-4,826	-4,570
Stockholders Equity	7,516	7,366	7,170	7,295	7,265	6,929	6,778	6,809	6,656	6,432	6,307	6,463
Minority Interest	303	300	36	37	37	33	35	32	39	37	35	38
Liabilities And Stockholders Equity	16,939	16,673	16,225	16,197	15,969	15,797	16,153	16,095	13,881	13,954	14,022	13,482
Allowance For Doubtful Accounts Receivable Current	28	27	25	26	25	25	29	29	27	28	27	27
Common Stock Par Or Stated Value Per Share	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01
Common Stock Shares Authorized	600	600	600	600	600	600	600	600	600	600	600	600
Common Stock Shares Issued	162	162	162	162	162	162	162	162	162	162	162	162
Treasury Stock Common Shares	52	51	52	51	50	50	51	50	51	51	51	50

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Earnings Market Reaction

10‑Q10‑K

Fiscal Year	Q1 1 Month	Q1 2 Month	Q1 3 Month	Q2 1 Month	Q2 2 Month	Q2 3 Month	Q3 1 Month	Q3 2 Month	Q3 3 Month	Q4 1 Month	Q4 2 Month	Q4 3 Month
2026	-8.52%	-0.46%	2.10%	-	-	-	-	-	-	-	-	-
2025	2.53%	3.83%	-2.72%	5.45%	7.29%	8.45%	1.25%	-1.13%	-5.52%	-7.50%	-7.21%	-11.22%
2024	4.94%	0.22%	5.33%	5.19%	7.28%	3.82%	2.11%	-1.35%	-3.39%	-1.15%	-4.27%	3.30%
2023	-	-	-	-0.64%	-6.06%	-8.30%	7.51%	7.62%	7.83%	2.35%	3.13%	11.07%
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Performance and Valuation Metrics

Metrics	2026-06-30	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30
Liquidity Ratios
Current Ratio	1.59	1.18	1.04	1.13	1.09	1.44	1.10	1.25	1.00	0.97	1.31	1.12
Quick Ratio	1.28	0.91	0.80	0.88	0.86	1.10	0.85	1.02	0.79	0.78	1.04	0.88
Working Capital	1.06B	389.00M	100.00M	273.00M	174.00M	634.00M	223.00M	531.00M	5.00M	-70.00M	557.00M	197.00M
Leverage & Debt
Debt to Equity	0.24	0.30	0.32	0.29	0.28	0.21	0.32	0.31	0.30	0.36	0.29	0.25
Interest Coverage TTM	6.37	6.19	5.89	5.78	5.95	6.19	6.70	5.05	5.29	5.42	5.63	7.85
Debt Ratio	0.11	0.13	0.14	0.13	0.13	0.09	0.13	0.13	0.14	0.16	0.13	0.12
Efficiency & Turnover
Asset Turnover TTM	0.70	0.69	0.68	0.67	0.70	0.68	0.65	0.65	0.68	0.69	0.69	0.70
Days Sales Outstanding TTM	48.70	48.40	44.85	47.64	47.49	48.98	46.48	50.83	49.87	50.62	47.44	50.27
Receivables Turnover TTM	7.49	7.54	8.14	7.66	7.69	7.45	7.85	7.18	7.32	7.21	7.69	7.26
Per Share Metrics
Diluted EPS TTM	9.71	9.25	-	8.70	8.63	8.26	-	7.98	7.95	8.03	-	7.38
Free Cash Flow Per Share TTM	12.15	12.05	8.39	12.44	10.93	9.51	5.61	9.13	7.88	8.53	5.33	5.32
Dividend Per Share TTM	3.27	3.25	2.18	3.10	3.05	3.03	2.04	2.92	2.91	2.87	1.94	2.76
Margin Metrics
Gross Profit Margin TTM	33.11%	33.20%	33.21%	33.30%	33.03%	32.84%	32.86%	32.73%	32.79%	32.87%	33.00%	33.08%
Operating Profit Margin TTM	14.10%	14.27%	14.10%	14.11%	14.02%	13.70%	13.63%	13.13%	13.52%	13.54%	13.64%	12.15%
Net Profit Margin TTM	9.41%	9.19%	8.99%	9.06%	9.27%	9.18%	9.33%	9.46%	9.52%	9.68%	9.81%	9.05%
Growth Metrics
Net Revenue Growth (1Y)	9.87%	11.03%	11.78%	13.74%	12.58%	9.38%	6.70%	2.60%	-1.50%	-3.29%	-6.38%	-9.69%
Net Income Growth (1Y)	11.59%	11.04%	7.71%	8.98%	9.55%	3.78%	1.43%	7.25%	-0.22%	2.51%	-10.54%	-36.19%
EPS Growth (1Y)	12.60%	12.05%	7.71%	8.98%	8.57%	3.78%	1.43%	7.25%	0.67%	3.43%	-10.54%	-33.91%
Valuation Metrics
P/E TTM	21.54	20.63	27.97	21.34	20.19	19.60	25.71	18.58	16.37	15.67	23.33	15.30
P/B TTM	3.12	2.90	3.85	2.88	2.71	2.64	3.48	2.46	2.19	2.19	3.34	1.99
P/S TTM	2.03	1.90	2.51	1.93	1.87	1.80	2.40	1.76	1.56	1.52	2.29	1.38
Market Cap	23.43B	21.38B	27.75B	20.98B	19.68B	18.28B	23.68B	16.76B	14.57B	14.09B	21.18B	12.87B
Enterprise Value	28.45B	26.64B	33.00B	26.22B	25.04B	23.96B	29.34B	22.25B	18.72B	18.32B	25.66B	16.98B
Calculated Values
Free Cash Flow TTM	1.35B	1.33B	1.36B	1.39B	1.22B	1.06B	909.00M	1.02B	875.00M	947.00M	864.00M	596.00M
Net Debt	5.02B	5.27B	5.25B	5.24B	5.35B	5.67B	5.67B	5.49B	4.15B	4.24B	4.47B	4.11B
Per-Share and Margin
EPS TTM
Adjusted EPS TTM
Cash Flow Per Share TTM
Pretax Margin TTM
Stock Comp to Revenue TTM
Turnover Ratios and Averages
Average Assets
Average Equity
Average Inventory
Average Receivables
Average Accounts Payables
Inventory Turnover TTM
Payables Turnover TTM
Days Inventory Outstanding TTM
Days Payables Outstanding TTM
Cash Conversion Cycle TTM
Working Capital to Revenue
Deferred Revenue to Revenue
Growth Rates
Total Assets Growth (1Y)
Total Assets Growth (3Y)
Total Assets Growth (5Y)
Dividends Paid Growth (1Y)
Dividends Paid Growth (3Y)
Dividends Paid Growth (5Y)
EPS Growth (3Y)
EPS Growth (5Y)
Net Income Growth (3Y)
Net Income Growth (5Y)
Net Profit Margin Growth (1Y)
Net Profit Margin Growth (3Y)
Net Profit Margin Growth (5Y)
Net Revenue Growth (3Y)
Net Revenue Growth (5Y)
Deferred Revenue Growth (1Y)
Retained Earnings Growth (1Y)
Credit, Liquidity, Returns, Payout
Cash Ratio
Net Working Capital
Debt to EBITDA TTM
Net Debt to EBITDA TTM
Net Debt to Equity
Altman A
Altman B
Altman C
Altman D
Altman E
Altman Z-Score
ROA TTM
ROE TTM
NOPAT TTM
ROIC TTM
Effective Tax Rate TTM
Payout Ratio TTM
Dilution Ratio
Retained Earnings to Equity
Treasury Stock to Equity
Treasury Stock Change (1Y)
Accrued to Current Liabilities
Valuation Ratios
P/CF TTM
Dividend Yield TTM
Free Cash Flow Yield TTM
EV EBITDA TTM
EV EBIT TTM
Stock Compensation TTM
Adjusted Net Income TTM
Billings TTM
Total Debt
Invested Capital

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Insider Transactions

2026-06-04Sale

Owner: Kuppusamy, Karthik

Title: SVP, Clinical Solutions

Shares: 8,147

Price/Share: $200.00

Value: $1,629,400.00

Shares Owned: 13,510

Relationship: Officer

Ownership: Direct

2026-06-01Sale

Owner: Davis, J. E.

Title: CEO and President

Shares: 10,000

Price/Share: $194.14

Value: $1,941,400.00

Shares Owned: 132,423

Relationship: Director,Officer

Ownership: Direct

2026-03-05Sale

Owner: Plewman, Patrick

Title: SVP for Diagnostic Services

Shares: 2,855

Price/Share: $206.21

Value: $588,729.55

Shares Owned: 15,198

Relationship: Officer

Ownership: Direct

2026-03-05Sale

Owner: Prevoznik, Michael E

Title: SVP & General Counsel

Shares: 3,878

Price/Share: $206.21

Value: $799,682.38

Shares Owned: 37,557

Relationship: Officer

Ownership: Direct

2026-03-05Sale

Owner: Doherty, Catherine T.

Title: EVP, Regional Businesses

Shares: 5,558

Price/Share: $206.21

Value: $1,146,115.18

Shares Owned: 67,122

Relationship: Officer

Ownership: Direct

Filed Date	Owner	Relationship	Title	Ownership	Purchase/Sale	No. Shares	Price Per Share	Value	Shares Owned	Document Type
2026-06-04	Kuppusamy, Karthik	Officer	SVP, Clinical Solutions	Direct	Sale	8,147	200.00	$1,629,400.00	13,510	4
2026-06-01	Davis, J. E.	Director,Officer	CEO and President	Direct	Sale	10,000	194.14	$1,941,400.00	132,423	4
2026-03-05	Plewman, Patrick	Officer	SVP for Diagnostic Services	Direct	Sale	2,855	206.21	$588,729.55	15,198	4
2026-03-05	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	3,878	206.21	$799,682.38	37,557	4
2026-03-05	Doherty, Catherine T.	Officer	EVP, Regional Businesses	Direct	Sale	5,558	206.21	$1,146,115.18	67,122	4
2026-03-04	Kuppusamy, Karthik	Officer	SVP, Clinical Solutions	Direct	Sale	2,628	204.86	$538,372.08	13,441	4
2026-03-03	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	526	207.73	$109,265.98	37,557	4
2026-03-03	Doherty, Catherine T.	Officer	EVP, Regional Businesses	Direct	Sale	632	207.73	$131,285.36	67,122	4
2026-03-03	Plewman, Patrick	Officer	SVP for Diagnostic Services	Direct	Sale	410	207.73	$85,169.30	15,198	4
2026-03-02	Davis, J. E.	Director,Officer	CEO and President	Direct	Sale	10,000	212.52	$2,125,200.00	117,185	4
2026-02-19	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	1,111	204.83	$227,566.13	38,371	4
2026-02-19	Plewman, Patrick	Officer	SVP for Diagnostic Services	Direct	Sale	958	204.83	$196,227.14	15,838	4
2026-02-19	Doherty, Catherine T.	Officer	EVP, Regional Businesses	Direct	Sale	1,433	204.83	$293,521.39	68,402	4
2026-02-13	Doherty, Catherine T.	Officer	EVP, Regional Businesses	Direct	Sale	26,165	207.19	$5,421,126.35	68,068	4
2026-02-10	Plewman, Patrick	Officer	SVP for Diagnostic Services	Direct	Sale	5,662	204.00	$1,155,048.00	15,381	4
2025-11-25	Davis, J. E.	Director,Officer	CEO and President	Direct	Sale	55,093	192.28	$10,593,282.04	120,480	4
2025-11-25	Gregg, Vicky B	Director	-	Direct	Sale	1,250	191.76	$239,700.00	17,037	4
2025-11-18	Delaney, Mark E	Officer	SVP & Chief Commercial Officer	Direct	Sale	7,946	187.35	$1,488,683.10	7,530	4
2025-10-22	Pfeiffer, Gary M	Director	-	Direct	Sale	1,482	182.40	$270,316.80	29,431	4
2025-09-26	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	227	187.94	$42,662.38	38,117	4
2025-09-24	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	175	187.02	$32,728.50	38,117	4
2025-08-21	Plewman, Patrick	Officer	SVP for Diagnostic Services	Direct	Sale	1,975	185.00	$365,375.00	15,269	4
2025-08-19	Plewman, Patrick	Officer	SVP for Diagnostic Services	Direct	Sale	4,532	183.00	$829,356.00	17,244	4
2025-08-15	Plewman, Patrick	Officer	SVP for Diagnostic Services	Direct	Sale	1,975	180.00	$355,500.00	17,244	4
2025-08-06	Plewman, Patrick	Officer	SVP for Diagnostic Services	Direct	Sale	5,535	175.00	$968,625.00	19,219	4
2025-07-31	Kuppusamy, Karthik	Officer	SVP, Clinical Solutions	Direct	Sale	2,210	170.00	$375,700.00	8,450	4
2025-05-13	Delaney, Mark E	Officer	SVP & Chief Commercial Officer	Direct	Sale	874	175.31	$153,220.94	7,498	4
2025-04-02	Kuppusamy, Karthik	Officer	SVP, Clinical Solutions	Direct	Sale	2,555	170.00	$434,350.00	10,575	4
2025-04-02	Davis, J. E.	Director,Officer	CEO and President	Direct	Sale	39,191	168.74	$6,613,089.34	127,623	4
2025-03-17	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	4,643	170.00	$789,310.00	38,117	4
2025-03-05	Doherty, Catherine T.	Officer	EVP, Regional Businesses	Direct	Sale	5,370	174.13	$935,078.10	68,068	4
2025-03-04	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	592	175.79	$104,067.68	38,117	4
2025-03-04	Doherty, Catherine T.	Officer	EVP, Regional Businesses	Direct	Sale	716	175.79	$125,865.64	68,068	4
2025-02-27	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	528	172.61	$91,138.08	39,031	4
2025-02-27	Doherty, Catherine T.	Officer	EVP, Regional Businesses	Direct	Sale	824	172.61	$142,230.64	69,178	4
2025-02-20	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	604	170.99	$103,277.96	39,845	4
2025-02-20	Doherty, Catherine T.	Officer	EVP, Regional Businesses	Direct	Sale	899	170.99	$153,720.01	70,457	4
2025-02-19	Plewman, Patrick	Officer	SVP for Diagnostic Services	Direct	Sale	320	169.71	$54,307.20	18,082	4
2025-02-05	Gregg, Vicky B	Director	-	Direct	Sale	1,250	164.57	$205,712.50	16,867	4
2025-02-05	Delaney, Mark E	Officer	SVP & Chief Commercial Officer	Direct	Sale	403	164.30	$66,212.90	4,624	4
2024-11-29	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	35,146	162.70	$5,718,254.20	38,478	4
2024-11-27	Doherty, Catherine T.	Officer	EVP, Regional Businesses	Direct	Sale	33,103	162.64	$5,383,871.92	68,412	4
2024-11-06	Deppe, Michael J	Officer	SVP, Corp. Controller & CAO	Direct	Sale	18,755	153.82	$2,884,894.10	34,941	4
2024-10-28	Kuppusamy, Karthik	Officer	SVP, Clinical Solutions	Direct	Sale	1,775	156.92	$278,533.00	9,734	4
2024-08-29	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	32,551	154.97	$5,044,428.47	38,478	4
2024-08-28	Kuppusamy, Karthik	Officer	SVP, Clinical Solutions	Direct	Sale	1,990	153.26	$304,987.40	11,459	4
2024-07-24	Delaney, Mark E	Officer	SVP & Chief Commercial Officer	Direct	Sale	420	143.08	$60,093.60	5,019	4
2024-04-29	Kuppusamy, Karthik	Officer	SVP, Clinical Solutions	Direct	Sale	1,760	140.00	$246,400.00	13,435	4
2024-02-29	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	5,611	125.88	$706,312.68	38,478	4
2024-02-29	Doherty, Catherine T.	Officer	EVP, Regional Businesses	Direct	Sale	1,187	125.88	$149,419.56	68,412	4
2024-02-23	Gregg, Vicky B	Director	-	Direct	Sale	2,500	126.64	$316,600.00	16,329	4
2024-02-22	Prevoznik, Michael E	Officer	SVP & General Counsel	Direct	Sale	661	126.14	$83,378.54	40,206	4
2024-02-22	Doherty, Catherine T.	Officer	EVP, Regional Businesses	Direct	Sale	821	126.14	$103,560.94	70,800	4
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Institutional Ownership

No data available for chart

2026-03-31

81.18%

Inst. Shares: 89,294,637

Shares Outstanding: 110,000,000

2025-12-31

87.58%

Inst. Shares: 96,342,303

Shares Outstanding: 110,000,000

2025-09-30

84.55%

Inst. Shares: 94,695,325

Shares Outstanding: 112,000,000

2025-06-30

86.02%

Inst. Shares: 96,345,126

Shares Outstanding: 112,000,000

2025-03-31

83.35%

Inst. Shares: 92,515,881

Shares Outstanding: 111,000,000

Date	Institutional Shares Owned	Shares Outstanding	Institutional Ownership %
2026-03-31	89,294,637	110,000,000	81.18%
2025-12-31	96,342,303	110,000,000	87.58%
2025-09-30	94,695,325	112,000,000	84.55%
2025-06-30	96,345,126	112,000,000	86.02%
2025-03-31	92,515,881	111,000,000	83.35%
2024-12-31	90,321,702	111,000,000	81.37%
2024-09-30	88,697,256	112,000,000	79.19%
2024-06-30	93,286,509	111,000,000	84.04%
2024-03-31	91,894,668	111,000,000	82.79%
2023-12-31	88,780,117	111,000,000	79.98%
2023-09-30	88,445,076	112,000,000	78.97%
2023-06-30	89,499,329	112,000,000	79.91%
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QUEST DIAGNOSTICS INC (DGX) — SEC Financial Statements & Analysis

QUEST DIAGNOSTICS INC (DGX) is a services-medical laboratories company, incorporated in DE. QUEST DIAGNOSTICS INC trades on DGX: NYSE as: DGX. Based on its latest SEC filing (Form 10-Q, period ending 2026-06-30), QUEST DIAGNOSTICS INC reported a 9.87% year-over-year revenue growth, a Gross Profit Margin of 33.11% (TTM), a Debt-to-Equity ratio of 0.24x, a Price-to-Sales (P/S) ratio of 2.03x (TTM), a Price-to-Book (P/B) ratio of 3.12 (TTM), at a market cap of $23.43B. Figures below are sourced from SEC EDGAR, as-filed.

Net Revenue TTM Growth 1Y: 9.87%
Gross Profit Margin TTM: 33.11%
Debt To Equity: 0.24x
P/S TTM: 2.03x
P/B TTM: 3.12
Market Cap: $23.43B

Data as of 2026-06-30 · Source: SEC EDGAR

Frequently Asked Questions

What industry is QUEST DIAGNOSTICS INC in?

QUEST DIAGNOSTICS INC (DGX) operates in the Services-Medical Laboratories industry.

What is DGX's market cap?

QUEST DIAGNOSTICS INC (DGX) has a market capitalization of $23.43B as of 2026-06-30.

What is DGX's P/E ratio?

QUEST DIAGNOSTICS INC (DGX)'s trailing twelve month P/E ratio is 21.54x as of 2026-06-30.

What exchange does DGX trade on?

QUEST DIAGNOSTICS INC (DGX) trades on the DGX: NYSE.

Where is QUEST DIAGNOSTICS INC incorporated?

QUEST DIAGNOSTICS INC is incorporated in DE.

QUEST DIAGNOSTICS INC (DGX) — SEC Financial Statements & Analysis

Frequently Asked Questions

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