QUEST DIAGNOSTICS INC - COMMON STOCK (DGX)

Historical Holders from Q1 2014 to Q4 2025

Type / Class: Equity / COMMON STOCK
Symbol: DGX on NYSE
Shares outstanding: 110,917,262
Price per share: $173.53
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares as of 30 Sep 2025: 104,644,347
Holdings value: $19,922,007,928
% of all portfolios: 0.01%
Share change: -2,576,099
Value change: -$468,781,501
Average buys %: +0%
Average sells %: -0%
Number of holders: 987
Price from insider filings: $192.97

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of QUEST DIAGNOSTICS INC - COMMON STOCK (DGX) based on Schedule 13D/G filings

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
BlackRock, Inc.	8.4%		$1,527,204,189		9,308,815		BlackRock, Inc.	31 Mar 2025
PRICE T ROWE ASSOCIATES INC /MD/	6.5%	+22%	$1,288,215,259	+$216,968,801	7,209,622	+20%	T. Rowe Price Associates, Inc.	30 Jun 2025

As of 30 Sep 2025, QUEST DIAGNOSTICS INC - COMMON STOCK (DGX) has 987 institutional shareholders filing 13F forms. They hold 104,644,347 shares of 110,917,262 outstanding shares (94%) .

Top 25 institutional shareholders own 66% of the company.

Filer	Ownership	Nb Shares	Share Change %	Portfolio %	Holdings Value
VANGUARD GROUP INC	13%	14,251,632	+0.13%	0.04%	$2,716,076,025
BlackRock, Inc.	9%	10,002,035	-3%	0.03%	$1,906,187,915
PRICE T ROWE ASSOCIATES INC /MD/	6.3%	7,005,990	-2.6%	0.14%	$1,335,203,000
STATE STREET CORP	4.7%	5,223,930	+0.75%	0.03%	$995,576,579
JPMORGAN CHASE & CO	3.9%	4,317,391	-0.33%	0.05%	$822,808,650
Boston Partners	3.6%	4,036,881	+33%	0.79%	$767,977,938
GEODE CAPITAL MANAGEMENT, LLC	2.7%	3,036,485	+1.8%	0.04%	$576,443,866
VICTORY CAPITAL MANAGEMENT INC	2.1%	2,343,974	-17%	0.28%	$446,714,594
MORGAN STANLEY	2.1%	2,286,910	+6.6%	0.03%	$435,839,907
DIMENSIONAL FUND ADVISORS LP	1.7%	1,907,510	+0.32%	0.08%	$363,509,443
WELLS FARGO & COMPANY/MN	1.6%	1,805,294	-1.7%	0.07%	$344,052,835
Grantham, Mayo, Van Otterloo & Co. LLC	1.6%	1,746,400	-0.09%	0.94%	$332,829,055
Invesco Ltd.	1.5%	1,688,769	+1.8%	0.05%	$321,845,594
BANK OF AMERICA CORP /DE/	1.5%	1,635,075	+2.2%	0.02%	$311,612,627
WELLINGTON MANAGEMENT GROUP LLP	1.3%	1,441,883	-9.8%	0.05%	$274,794,062
Davis Selected Advisers	1.2%	1,361,612	+0.53%	1.4%	$259,496,015
FMR LLC	1.1%	1,213,372	-1.8%	0.01%	$231,244,410
NORTHERN TRUST CORP	1%	1,153,325	-2.1%	0.03%	$219,800,678
FIDUCIARY MANAGEMENT INC /WI/	1%	1,147,534	-3.2%	2.2%	$218,697,030
M&G PLC	0.98%	1,090,377	+1.6%	1.1%	$208,262,007
GOLDMAN SACHS GROUP INC	0.96%	1,063,716	+65%	0.03%	$202,723,063
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC	0.81%	901,611	-26%	0.04%	$171,829,026
AMERICAN CENTURY COMPANIES INC	0.78%	869,085	+9.4%	0.08%	$165,630,868
AMERIPRISE FINANCIAL INC	0.77%	852,826	+1.3%	0.04%	$162,531,112
EdgePoint Investment Group Inc.	0.77%	849,752	+66757%	1.2%	$161,945,736

Institutional Holders of QUEST DIAGNOSTICS INC - COMMON STOCK (DGX) across Reporting Periods

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price	Investors
2025 Q4	276,038	$47,809,620	+$14,720,683			$173.53	39
2025 Q3	104,644,347	$19,922,007,928	-$468,781,501	$101,818,286	$92,060,948	$190.58	987
2025 Q2	107,271,403	$19,256,616,676	+$992,599,100	$107,987,002	$83,593,931	$179.63	980
2025 Q1	101,929,434	$17,241,053,441	+$520,270,925	$122,203,547	$78,643,592	$169.20	953
2024 Q4	98,907,864	$14,924,035,182	+$390,470,581	$34,261,549	$62,443,220	$150.86	880
2024 Q3	95,904,245	$14,878,073,493	-$177,179,676	$54,876,285	$58,804,740	$155.25	836
2024 Q2	97,070,374	$13,289,944,986	-$70,078,007	$32,125,736	$80,774,008	$136.88	825
2024 Q1	97,786,919	$13,009,770,451	+$3,481,195	$57,969,405	$130,833,819	$133.11	803
2023 Q4	553,301	$76,289,126	-$1,710,893			$137.88	10
2023 Q3	97,173,152	$11,848,186,210	-$184,567,810	$34,815,402	$114,243,675	$121.86	778
2023 Q2	98,455,899	$13,836,493,128	-$182,467,998	$21,860,618	$83,116,588	$140.56	799
2023 Q1	98,797,595	$13,967,684,220	+$133,910,070	$29,664,156	$65,565,091	$141.48	814
2022 Q4	98,901,840	$15,467,187,462	-$548,054,601	$75,608,120	$120,583,408	$156.44	864
2022 Q3	101,460,171	$12,458,319,030	-$183,346,758	$22,557,000	$53,429,000	$122.69	782
2022 Q2	101,510,681	$13,493,001,110	-$103,694,798	$39,193,560	$81,450,976	$132.98	825
2022 Q1	102,382,561	$14,013,887,594	+$15,843,278	$65,308,400	$90,193,038	$136.86	823
2021 Q4	103,254,039	$17,820,514,384	-$761,788,775	$66,821,354	$157,514,407	$173.01	874
2021 Q3	109,244,579	$15,868,958,102	-$595,366,326	$164,373,419	$169,923,343	$145.31	820
2021 Q2	113,287,510	$14,940,696,685	-$231,223,237	$112,000,000	$117,492,428	$131.97	796
2021 Q1	114,814,127	$14,724,200,699	-$146,264,570	$44,473,644	$49,027,472	$128.34	801
2020 Q4	113,900,523	$13,563,865,517	-$105,338,179	$55,954,452	$59,464,104	$119.17	791
2020 Q3	115,063,908	$13,166,608,049	-$137,700,392	$92,023,240	$54,850,000	$114.49	733
2020 Q2	118,394,528	$13,505,657,396	-$138,836,844	$46,349,090	$81,059,032	$113.96	735
2020 Q1	116,745,183	$9,374,566,127	-$1,091,800	$42,260,000	$53,372,000	$80.30	675
2019 Q4	118,396,258	$12,638,101,333	-$97,925,114	$33,299,000	$46,165,000	$106.79	694
2019 Q3	117,711,699	$12,592,961,572	-$244,993,668	$29,621,000	$48,337,000	$107.03	657
2019 Q2	118,251,796	$12,036,908,888	+$4,333,836	$23,620,000	$30,918,000	$101.81	635
2019 Q1	123,908,680	$11,141,471,182	+$220,095,339	$53,605,000	$56,015,000	$89.92	633
2018 Q4	118,586,291	$9,858,881,697	+$121,355,041	$34,217,000	$19,921,000	$83.27	607
2018 Q3	117,460,486	$12,663,316,024	-$154,153,960	$64,531,000	$40,012,000	$107.91	661
2018 Q2	118,497,263	$13,011,085,797	+$24,170,129	$39,799,000	$47,534,000	$109.94	644
2018 Q1	120,322,776	$12,035,815,416	+$124,392,517	$34,907,000	$35,135,000	$100.30	642
2017 Q4	114,246,344	$11,217,805,975	-$241,650,103	$31,615,000	$40,293,000	$98.49	615
2017 Q3	122,426,003	$11,462,719,472	+$196,405,223	$45,283,000	$37,803,000	$93.64	604
2017 Q2	120,225,094	$13,356,687,547	-$184,255,326	$17,023,000	$20,888,000	$111.16	633
2017 Q1	122,684,594	$12,047,506,422	+$1,507,199,672	$8,788,000	$15,761,000	$98.19	599
2016 Q4	122,165,769	$11,221,900,338	-$103,493,650	$23,554,000	$30,950,000	$91.90	588
2016 Q3	123,055,565	$10,407,485,858	-$415,872,865	$23,055,000	$29,398,000	$84.63	546
2016 Q2	128,178,611	$10,434,132,333	-$204,587,950	$21,191,000	$34,116,000	$81.41	543
2016 Q1	131,120,940	$9,366,248,566	-$82,088,696	$34,755,000	$45,835,000	$71.45	542
2015 Q4	132,326,866	$9,411,307,638	-$36,224,769	$23,692,000	$60,825,000	$71.14	521
2015 Q3	132,182,956	$8,124,867,568	-$114,148,875	$19,015,000	$46,766,000	$61.47	530
2015 Q2	132,176,727	$9,581,793,914	-$373,872,437	$20,524,000	$45,781,000	$72.52	533
2015 Q1	139,386,127	$10,708,057,009	-$359,497,652	$143,271,000	$138,895,000	$76.85	545
2014 Q4	144,682,601	$9,702,233,208	-$168,117,282	$246,818,000	$58,776,000	$67.06	511
2014 Q3	144,349,349	$8,758,876,660	+$18,081,153	$196,070,000	$119,205,000	$60.68	478
2014 Q2	147,046,449	$8,631,465,711	-$189,641,775	$100,790,000	$155,580,000	$58.69	492
2014 Q1	149,421,493	$8,655,595,678	+$75,136,177	$315,435,000	$108,860,000	$57.92	486