QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 100,146 Value ($000) $17,378 Avg Close $182.07 Range $173.39 - $197.55

Q3 2025

Shares 1,441,883 Value ($000) $274,794 Avg Close $176.64 Range $163.92 - $190.64

Q2 2025

Shares 1,599,216 Value ($000) $287,267 Avg Close $172.09 Range $155.80 - $180.75

Q1 2025

Shares 1,758,265 Value ($000) $297,498 Avg Close $161.93 Range $146.66 - $176.41

Q4 2024

Shares 1,784,168 Value ($000) $269,160 Avg Close $152.61 Range $143.46 - $162.25

Q3 2024

Shares 2,333,448 Value ($000) $362,268 Avg Close $145.81 Range $132.40 - $155.63

Q2 2024

Shares 2,550,792 Value ($000) $349,152 Avg Close $132.98 Range $121.83 - $141.45

Q1 2024

Shares 2,612,769 Value ($000) $347,786 Avg Close $125.21 Range $118.84 - $138.00

Q4 2023

Shares 2,632,326 Value ($000) $362,945 Avg Close $126.28 Range $114.23 - $136.42

Q3 2023

Shares 2,613,793 Value ($000) $318,517 Avg Close $127.23 Range $116.28 - $139.06

Q2 2023

Shares 2,279,846 Value ($000) $320,455 Avg Close $130.98 Range $123.12 - $141.24

Q1 2023

Shares 1,914,554 Value ($000) $270,871 Avg Close $135.20 Range $123.25 - $148.14

Q4 2022

Shares 4,151 Value ($000) $649 Avg Close $135.28 Range $114.90 - $149.06

Q3 2022

Shares 6,055 Value ($000) $743 Avg Close $123.30 Range $112.74 - $133.75

Q2 2022

Shares 5,396 Value ($000) $717 Avg Close $126.95 Range $116.79 - $135.49

Q1 2022

Shares 6,454 Value ($000) $883 Avg Close $129.14 Range $116.62 - $159.25

Q4 2021

Shares 69,672 Value ($000) $12,054 Avg Close $140.46 Range $128.33 - $160.79

Q3 2021

Shares 79,666 Value ($000) $11,576 Avg Close $134.48 Range $120.64 - $147.59

Q2 2021

Shares 79,267 Value ($000) $10,461 Avg Close $119.77 Range $115.00 - $130.65

Q1 2021

Shares 817,087 Value ($000) $104,864 Avg Close $112.12 Range $103.22 - $122.67

Q4 2020

Shares 837,483 Value ($000) $99,803 Avg Close $110.49 Range $98.77 - $118.60

Q3 2020

Shares 831,642 Value ($000) $95,215 Avg Close $106.55 Range $93.90 - $118.90

Q2 2020

Shares 90,105 Value ($000) $10,269 Avg Close $95.20 Range $65.05 - $112.22

Q1 2020

Shares 11,186 Value ($000) $898 Avg Close $92.18 Range $65.22 - $105.64

Q4 2019

Shares 46,555 Value ($000) $4,972 Avg Close $92.43 Range $88.27 - $96.58

Q3 2019

Shares 50,679 Value ($000) $5,424 Avg Close $90.53 Range $85.50 - $95.23

Q2 2019

Shares 37,418 Value ($000) $3,809 Avg Close $84.30 Range $73.99 - $89.95

Q1 2019

Shares 40,055 Value ($000) $3,603 Avg Close $75.54 Range $69.30 - $79.02

Q4 2018

Shares 43,798 Value ($000) $3,648 Avg Close $81.26 Range $68.45 - $93.85

Q3 2018

Shares 38,129 Value ($000) $4,114 Avg Close $94.62 Range $90.13 - $99.79

Q2 2018

Shares 41,446 Value ($000) $4,556 Avg Close $89.48 Range $82.55 - $100.07

Q1 2018

Shares 130,781 Value ($000) $13,118 Avg Close $87.50 Range $81.42 - $92.99

Q4 2017

Shares 241,226 Value ($000) $23,758 Avg Close $80.65 Range $76.65 - $87.31

Q3 2017

Shares 435,645 Value ($000) $40,793 Avg Close $89.87 Range $77.62 - $95.26

Q2 2017

Shares 455,705 Value ($000) $50,656 Avg Close $89.16 Range $81.72 - $94.33

Q1 2017

Shares 369,359 Value ($000) $36,268 Avg Close $80.00 Range $75.65 - $83.94

Q4 2016

Shares 208,636 Value ($000) $19,174 Avg Close $71.99 Range $66.09 - $78.16

Q3 2016

Shares 112,422 Value ($000) $9,515 Avg Close $69.82 Range $66.73 - $72.20

Q2 2016

Shares 118,126 Value ($000) $9,616 Avg Close $62.99 Range $58.34 - $67.34

Q1 2016

Shares 58,558 Value ($000) $4,184 Avg Close $55.15 Range $49.08 - $59.76

Q4 2015

Shares 66,934 Value ($000) $4,762 Avg Close $54.99 Range $49.21 - $59.25

Q3 2015

Shares 63,877 Value ($000) $3,927 Avg Close $56.82 Range $48.84 - $61.18

Q2 2015

Shares 63,127 Value ($000) $4,578 Avg Close $59.70 Range $56.18 - $71.98

Q1 2015

Shares 69,034 Value ($000) $5,305 Avg Close $57.60 Range $52.93 - $63.03

Q4 2014

Shares 64,241 Value ($000) $4,308 Avg Close $50.52 Range $45.06 - $54.86

Q3 2014

Shares 3,814 Value ($000) $232 Avg Close $49.06 Range $46.54 - $51.28

Q2 2014

Shares 5,187 Value ($000) $304 Avg Close $46.37 Range $43.49 - $49.44

Q1 2014

Shares 3,750 Value ($000) $217 Avg Close $42.22 Range $39.75 - $47.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	100,146	$17,378	$182.07	$173.39 - $197.55
Q3 2025	1,441,883	$274,794	$176.64	$163.92 - $190.64
Q2 2025	1,599,216	$287,267	$172.09	$155.80 - $180.75
Q1 2025	1,758,265	$297,498	$161.93	$146.66 - $176.41
Q4 2024	1,784,168	$269,160	$152.61	$143.46 - $162.25
Q3 2024	2,333,448	$362,268	$145.81	$132.40 - $155.63
Q2 2024	2,550,792	$349,152	$132.98	$121.83 - $141.45
Q1 2024	2,612,769	$347,786	$125.21	$118.84 - $138.00
Q4 2023	2,632,326	$362,945	$126.28	$114.23 - $136.42
Q3 2023	2,613,793	$318,517	$127.23	$116.28 - $139.06
Q2 2023	2,279,846	$320,455	$130.98	$123.12 - $141.24
Q1 2023	1,914,554	$270,871	$135.20	$123.25 - $148.14
Q4 2022	4,151	$649	$135.28	$114.90 - $149.06
Q3 2022	6,055	$743	$123.30	$112.74 - $133.75
Q2 2022	5,396	$717	$126.95	$116.79 - $135.49
Q1 2022	6,454	$883	$129.14	$116.62 - $159.25
Q4 2021	69,672	$12,054	$140.46	$128.33 - $160.79
Q3 2021	79,666	$11,576	$134.48	$120.64 - $147.59
Q2 2021	79,267	$10,461	$119.77	$115.00 - $130.65
Q1 2021	817,087	$104,864	$112.12	$103.22 - $122.67
Q4 2020	837,483	$99,803	$110.49	$98.77 - $118.60
Q3 2020	831,642	$95,215	$106.55	$93.90 - $118.90
Q2 2020	90,105	$10,269	$95.20	$65.05 - $112.22
Q1 2020	11,186	$898	$92.18	$65.22 - $105.64
Q4 2019	46,555	$4,972	$92.43	$88.27 - $96.58
Q3 2019	50,679	$5,424	$90.53	$85.50 - $95.23
Q2 2019	37,418	$3,809	$84.30	$73.99 - $89.95
Q1 2019	40,055	$3,603	$75.54	$69.30 - $79.02
Q4 2018	43,798	$3,648	$81.26	$68.45 - $93.85
Q3 2018	38,129	$4,114	$94.62	$90.13 - $99.79
Q2 2018	41,446	$4,556	$89.48	$82.55 - $100.07
Q1 2018	130,781	$13,118	$87.50	$81.42 - $92.99
Q4 2017	241,226	$23,758	$80.65	$76.65 - $87.31
Q3 2017	435,645	$40,793	$89.87	$77.62 - $95.26
Q2 2017	455,705	$50,656	$89.16	$81.72 - $94.33
Q1 2017	369,359	$36,268	$80.00	$75.65 - $83.94
Q4 2016	208,636	$19,174	$71.99	$66.09 - $78.16
Q3 2016	112,422	$9,515	$69.82	$66.73 - $72.20
Q2 2016	118,126	$9,616	$62.99	$58.34 - $67.34
Q1 2016	58,558	$4,184	$55.15	$49.08 - $59.76
Q4 2015	66,934	$4,762	$54.99	$49.21 - $59.25
Q3 2015	63,877	$3,927	$56.82	$48.84 - $61.18
Q2 2015	63,127	$4,578	$59.70	$56.18 - $71.98
Q1 2015	69,034	$5,305	$57.60	$52.93 - $63.03
Q4 2014	64,241	$4,308	$50.52	$45.06 - $54.86
Q3 2014	3,814	$232	$49.06	$46.54 - $51.28
Q2 2014	5,187	$304	$46.37	$43.49 - $49.44
Q1 2014	3,750	$217	$42.22	$39.75 - $47.66