QUEST DIAGNOSTICS INC - COMMON STOCK (DGX) Institutional Ownership

13F Institutional Holders and Ownership History 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
104,694,842
Total reported value
$19,932,131,126
% of total 13F portfolios
0.01%
Share change
-2,577,984
Value change
-$469,156,099
Number of holders
988
Price from insider filings
$173.53
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% $1,644,681,434 9,308,815 BlackRock, Inc. 31 Mar 2025
PRICE T ROWE ASSOCIATES INC /MD/ 6.5% +22% $1,275,526,324 +$214,831,656 7,209,622 +20% T. Rowe Price Associates, Inc. 30 Jun 2025

As of 30 Sep 2025, 988 institutional investors reported holding 104,694,842 shares of QUEST DIAGNOSTICS INC - COMMON STOCK (DGX). This represents 94% of the company’s total 110,917,262 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of QUEST DIAGNOSTICS INC - COMMON STOCK (DGX) together control 66% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held 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 Price (Median) Investors
2025 Q4 1,710,807 $297,099,003 +$39,415,710 $173.53 170
2025 Q3 104,694,842 $19,932,131,126 -$469,156,099 $190.58 988
2025 Q2 107,271,403 $19,256,616,676 +$992,599,195 $179.63 980
2025 Q1 102,095,860 $17,269,213,125 +$517,721,013 $169.20 959
2024 Q4 99,154,244 $14,960,999,827 +$197,462,047 $150.86 888
2024 Q3 97,427,136 $15,114,402,933 +$35,394,894 $155.25 841
2024 Q2 97,129,285 $13,298,131,286 -$229,363,555 $136.88 832
2024 Q1 98,950,699 $13,164,670,867 +$160,013,331 $133.11 809
2023 Q4 97,517,517 $13,442,486,923 -$182,813,558 $137.88 823
2023 Q3 98,413,094 $11,999,285,981 -$148,937,513 $121.86 792
2023 Q2 99,453,851 $13,976,778,355 -$89,325,385 $140.56 811
2023 Q1 100,344,532 $14,186,536,692 +$138,040,161 $141.48 828
2022 Q4 99,384,483 $15,542,704,726 -$520,942,926 $156.44 873
2022 Q3 102,421,380 $12,576,248,409 -$156,117,746 $122.69 795
2022 Q2 103,623,750 $13,783,524,431 -$104,455,888 $132.98 839
2022 Q1 104,706,282 $14,331,909,322 +$114,797,762 $136.86 836
2021 Q4 103,868,351 $17,926,559,101 -$910,845,127 $173.01 886
2021 Q3 109,428,506 $15,895,978,535 -$587,027,523 $145.31 823
2021 Q2 113,518,424 $14,971,166,699 -$247,457,210 $131.97 801
2021 Q1 115,605,235 $14,825,548,517 -$117,422,579 $128.34 806
2020 Q4 116,573,431 $13,881,718,733 -$96,979,864 $119.17 802
2020 Q3 117,646,327 $13,461,768,653 -$143,097,441 $114.49 745
2020 Q2 118,673,236 $13,537,429,978 -$19,437,709 $113.96 741
2020 Q1 119,284,390 $9,578,500,735 -$77,045,945 $80.30 687
2019 Q4 119,590,917 $12,765,672,533 -$65,956,736 $106.79 701
2019 Q3 119,908,439 $12,828,071,346 -$146,343,879 $107.03 667
2019 Q2 121,307,635 $12,348,016,553 -$253,994,194 $101.81 646
2019 Q1 124,326,676 $11,179,056,303 +$258,686,412 $89.92 641
2018 Q4 120,355,742 $10,006,247,047 +$99,332,524 $83.27 616
2018 Q3 117,867,357 $12,707,223,546 -$158,737,436 $107.91 668
2018 Q2 119,415,794 $13,112,068,589 -$98,327,116 $109.94 653
2018 Q1 120,364,122 $12,039,965,507 +$124,206,792 $100.30 648
2017 Q4 121,356,508 $11,918,283,987 -$240,800,665 $98.49 624
2017 Q3 122,890,147 $11,506,176,670 +$205,578,607 $93.64 611
2017 Q2 120,374,506 $13,373,201,470 -$100,652,438 $111.16 638
2017 Q1 122,771,045 $12,055,995,092 +$1,496,972,734 $98.19 604
2016 Q4 122,414,578 $11,244,759,452 -$100,169,362 $91.90 592
2016 Q3 123,347,086 $10,432,086,303 -$428,073,336 $84.63 551
2016 Q2 128,601,234 $10,468,536,610 -$213,650,875 $81.41 550
2016 Q1 131,439,620 $9,389,023,639 -$86,316,010 $71.45 546
2015 Q4 132,653,705 $9,434,422,581 -$106,808,004 $71.14 528
2015 Q3 132,401,693 $8,138,275,550 -$95,823,114 $61.47 532
2015 Q2 134,111,528 $9,722,078,488 -$377,314,939 $72.52 536
2015 Q1 139,462,694 $10,713,941,525 -$359,922,262 $76.85 548
2014 Q4 144,872,378 $9,714,959,930 -$142,704,030 $67.06 514
2014 Q3 146,863,463 $8,911,434,019 -$15,759,754 $60.68 484
2014 Q2 147,116,972 $8,635,604,705 -$202,907,033 $58.69 493
2014 Q1 150,964,511 $8,744,962,308 +$111,486,984 $57.92 489