QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO's Holding History (CIK: 0001007280)

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

Q4 2025

Shares 64,442 Value ($000) $11,183 Avg Close $182.07 Range $173.39 - $197.55

Q3 2025

Shares 68,457 Value ($000) $13,047 Avg Close $176.64 Range $163.92 - $190.64

Q2 2025

Shares 68,168 Value ($000) $12,245 Avg Close $172.09 Range $155.80 - $180.75

Q1 2025

Shares 72,552 Value ($000) $12,276 Avg Close $161.93 Range $146.66 - $176.41

Q4 2024

Shares 57,822 Value ($000) $8,723 Avg Close $152.61 Range $143.46 - $162.25

Q3 2024

Shares 61,883 Value ($000) $9,607 Avg Close $145.81 Range $132.40 - $155.63

Q2 2024

Shares 67,577 Value ($000) $9,250 Avg Close $132.98 Range $121.83 - $141.45

Q1 2024

Shares 70,656 Value ($000) $9,405 Avg Close $125.21 Range $118.84 - $138.00

Q4 2023

Shares 70,247 Value ($000) $9,686 Avg Close $126.28 Range $114.23 - $136.42

Q3 2023

Shares 53,600 Value ($000) $6,532 Avg Close $127.23 Range $116.28 - $139.06

Q2 2023

Shares 57,436 Value ($000) $8,073 Avg Close $130.98 Range $123.12 - $141.24

Q1 2023

Shares 63,195 Value ($000) $8,941 Avg Close $135.20 Range $123.25 - $148.14

Q4 2022

Shares 69,483 Value ($000) $10,870 Avg Close $135.28 Range $114.90 - $149.06

Q3 2022

Shares 71,792 Value ($000) $8,808 Avg Close $123.30 Range $112.74 - $133.75

Q2 2022

Shares 73,672 Value ($000) $9,797 Avg Close $126.95 Range $116.79 - $135.49

Q1 2022

Shares 78,201 Value ($000) $10,703 Avg Close $129.14 Range $116.62 - $159.25

Q4 2021

Shares 82,763 Value ($000) $14,319 Avg Close $140.46 Range $128.33 - $160.79

Q3 2021

Shares 76,699 Value ($000) $11,145 Avg Close $134.48 Range $120.64 - $147.59

Q2 2021

Shares 81,699 Value ($000) $10,782 Avg Close $119.77 Range $115.00 - $130.65

Q1 2021

Shares 77,813 Value ($000) $9,987 Avg Close $112.12 Range $103.22 - $122.67

Q4 2020

Shares 69,966 Value ($000) $8,338 Avg Close $110.49 Range $98.77 - $118.60

Q3 2020

Shares 56,140 Value ($000) $6,427 Avg Close $106.55 Range $93.90 - $118.90

Q2 2020

Shares 52,024 Value ($000) $5,929 Avg Close $95.20 Range $65.05 - $112.22

Q1 2020

Shares 66,603 Value ($000) $5,348 Avg Close $92.18 Range $65.22 - $105.64

Q4 2019

Shares 59,057 Value ($000) $6,307 Avg Close $92.43 Range $88.27 - $96.58

Q3 2019

Shares 70,691 Value ($000) $7,566 Avg Close $90.53 Range $85.50 - $95.23

Q2 2019

Shares 44,284 Value ($000) $4,509 Avg Close $84.30 Range $73.99 - $89.95

Q1 2019

Shares 56,300 Value ($000) $5,062 Avg Close $75.54 Range $69.30 - $79.02

Q4 2018

Shares 56,189 Value ($000) $4,679 Avg Close $81.26 Range $68.45 - $93.85

Q3 2018

Shares 52,267 Value ($000) $5,640 Avg Close $94.62 Range $90.13 - $99.79

Q2 2018

Shares 125,435 Value ($000) $13,790 Avg Close $89.48 Range $82.55 - $100.07

Q1 2018

Shares 57,184 Value ($000) $5,736 Avg Close $87.50 Range $81.42 - $92.99

Q4 2017

Shares 58,125 Value ($000) $5,725 Avg Close $80.65 Range $76.65 - $87.31

Q3 2017

Shares 57,751 Value ($000) $5,408 Avg Close $89.87 Range $77.62 - $95.26

Q2 2017

Shares 59,572 Value ($000) $6,622 Avg Close $89.16 Range $81.72 - $94.33

Q1 2017

Shares 63,834 Value ($000) $6,268 Avg Close $80.00 Range $75.65 - $83.94

Q4 2016

Shares 62,596 Value ($000) $5,984 Avg Close $71.99 Range $66.09 - $78.16

Q3 2016

Shares 62,596 Value ($000) $5,297 Avg Close $69.82 Range $66.73 - $72.20

Q2 2016

Shares 56,078 Value ($000) $4,565 Avg Close $62.99 Range $58.34 - $67.34

Q1 2016

Shares 34,020 Value ($000) $2,431 Avg Close $55.15 Range $49.08 - $59.76

Q4 2015

Shares 41,000 Value ($000) $2,917 Avg Close $54.99 Range $49.21 - $59.25

Q3 2015

Shares 48,515 Value ($000) $2,982 Avg Close $56.82 Range $48.84 - $61.18

Q2 2015

Shares 57,491 Value ($000) $4,169 Avg Close $59.70 Range $56.18 - $71.98

Q1 2015

Shares 53,480 Value ($000) $4,110 Avg Close $57.60 Range $52.93 - $63.03

Q4 2014

Shares 53,128 Value ($000) $3,563 Avg Close $50.52 Range $45.06 - $54.86

Q3 2014

Shares 41,622 Value ($000) $2,526 Avg Close $49.06 Range $46.54 - $51.28

Q2 2014

Shares 44,778 Value ($000) $2,628 Avg Close $46.37 Range $43.49 - $49.44

Q1 2014

Shares 45,035 Value ($000) $2,608 Avg Close $42.22 Range $39.75 - $47.66

Q4 2013

Shares 53,266 Value ($000) $2,852 Avg Close $46.46 Range $41.12 - $50.21

Q3 2013

Shares 49,528 Value ($000) $3,060 Avg Close $46.67 Range $44.29 - $48.97

Q2 2013

Shares 39,947 Value ($000) $2,422 Avg Close $46.22 Range $42.87 - $49.18

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	64,442	$11,183	$182.07	$173.39 - $197.55
Q3 2025	68,457	$13,047	$176.64	$163.92 - $190.64
Q2 2025	68,168	$12,245	$172.09	$155.80 - $180.75
Q1 2025	72,552	$12,276	$161.93	$146.66 - $176.41
Q4 2024	57,822	$8,723	$152.61	$143.46 - $162.25
Q3 2024	61,883	$9,607	$145.81	$132.40 - $155.63
Q2 2024	67,577	$9,250	$132.98	$121.83 - $141.45
Q1 2024	70,656	$9,405	$125.21	$118.84 - $138.00
Q4 2023	70,247	$9,686	$126.28	$114.23 - $136.42
Q3 2023	53,600	$6,532	$127.23	$116.28 - $139.06
Q2 2023	57,436	$8,073	$130.98	$123.12 - $141.24
Q1 2023	63,195	$8,941	$135.20	$123.25 - $148.14
Q4 2022	69,483	$10,870	$135.28	$114.90 - $149.06
Q3 2022	71,792	$8,808	$123.30	$112.74 - $133.75
Q2 2022	73,672	$9,797	$126.95	$116.79 - $135.49
Q1 2022	78,201	$10,703	$129.14	$116.62 - $159.25
Q4 2021	82,763	$14,319	$140.46	$128.33 - $160.79
Q3 2021	76,699	$11,145	$134.48	$120.64 - $147.59
Q2 2021	81,699	$10,782	$119.77	$115.00 - $130.65
Q1 2021	77,813	$9,987	$112.12	$103.22 - $122.67
Q4 2020	69,966	$8,338	$110.49	$98.77 - $118.60
Q3 2020	56,140	$6,427	$106.55	$93.90 - $118.90
Q2 2020	52,024	$5,929	$95.20	$65.05 - $112.22
Q1 2020	66,603	$5,348	$92.18	$65.22 - $105.64
Q4 2019	59,057	$6,307	$92.43	$88.27 - $96.58
Q3 2019	70,691	$7,566	$90.53	$85.50 - $95.23
Q2 2019	44,284	$4,509	$84.30	$73.99 - $89.95
Q1 2019	56,300	$5,062	$75.54	$69.30 - $79.02
Q4 2018	56,189	$4,679	$81.26	$68.45 - $93.85
Q3 2018	52,267	$5,640	$94.62	$90.13 - $99.79
Q2 2018	125,435	$13,790	$89.48	$82.55 - $100.07
Q1 2018	57,184	$5,736	$87.50	$81.42 - $92.99
Q4 2017	58,125	$5,725	$80.65	$76.65 - $87.31
Q3 2017	57,751	$5,408	$89.87	$77.62 - $95.26
Q2 2017	59,572	$6,622	$89.16	$81.72 - $94.33
Q1 2017	63,834	$6,268	$80.00	$75.65 - $83.94
Q4 2016	62,596	$5,984	$71.99	$66.09 - $78.16
Q3 2016	62,596	$5,297	$69.82	$66.73 - $72.20
Q2 2016	56,078	$4,565	$62.99	$58.34 - $67.34
Q1 2016	34,020	$2,431	$55.15	$49.08 - $59.76
Q4 2015	41,000	$2,917	$54.99	$49.21 - $59.25
Q3 2015	48,515	$2,982	$56.82	$48.84 - $61.18
Q2 2015	57,491	$4,169	$59.70	$56.18 - $71.98
Q1 2015	53,480	$4,110	$57.60	$52.93 - $63.03
Q4 2014	53,128	$3,563	$50.52	$45.06 - $54.86
Q3 2014	41,622	$2,526	$49.06	$46.54 - $51.28
Q2 2014	44,778	$2,628	$46.37	$43.49 - $49.44
Q1 2014	45,035	$2,608	$42.22	$39.75 - $47.66
Q4 2013	53,266	$2,852	$46.46	$41.12 - $50.21
Q3 2013	49,528	$3,060	$46.67	$44.29 - $48.97
Q2 2013	39,947	$2,422	$46.22	$42.87 - $49.18