QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q4 2025

Shares 30,770 Value ($000) $5,340 Avg Close $182.07 Range $173.39 - $197.55

Q3 2025

Shares 32,909 Value ($000) $6,272 Avg Close $176.64 Range $163.92 - $190.64

Q2 2025

Shares 32,622 Value ($000) $5,860 Avg Close $172.09 Range $155.80 - $180.75

Q1 2025

Shares 32,278 Value ($000) $5,461 Avg Close $161.93 Range $146.66 - $176.41

Q4 2024

Shares 32,332 Value ($000) $4,878 Avg Close $152.61 Range $143.46 - $162.25

Q3 2024

Shares 31,828 Value ($000) $4,941 Avg Close $145.81 Range $132.40 - $155.63

Q2 2024

Shares 30,412 Value ($000) $4,163 Avg Close $132.98 Range $121.83 - $141.45

Q1 2024

Shares 30,925 Value ($000) $4,116 Avg Close $125.21 Range $118.84 - $138.00

Q4 2023

Shares 30,847 Value ($000) $4,253 Avg Close $126.28 Range $114.23 - $136.42

Q3 2023

Shares 30,558 Value ($000) $3,724 Avg Close $127.23 Range $116.28 - $139.06

Q2 2023

Shares 30,532 Value ($000) $4,292 Avg Close $130.98 Range $123.12 - $141.24

Q1 2023

Shares 33,110 Value ($000) $4,684 Avg Close $135.20 Range $123.25 - $148.14

Q4 2022

Shares 33,006 Value ($000) $5,163 Avg Close $135.28 Range $114.90 - $149.06

Q3 2022

Shares 32,225 Value ($000) $3,954 Avg Close $123.30 Range $112.74 - $133.75

Q2 2022

Shares 33,339 Value ($000) $4,433 Avg Close $126.95 Range $116.79 - $135.49

Q1 2022

Shares 34,147 Value ($000) $4,673 Avg Close $129.14 Range $116.62 - $159.25

Q4 2021

Shares 33,266 Value ($000) $5,755 Avg Close $140.46 Range $128.33 - $160.79

Q3 2021

Shares 36,662 Value ($000) $5,327 Avg Close $134.48 Range $120.64 - $147.59

Q2 2021

Shares 37,721 Value ($000) $4,978 Avg Close $119.77 Range $115.00 - $130.65

Q1 2021

Shares 38,856 Value ($000) $4,987 Avg Close $112.12 Range $103.22 - $122.67

Q4 2020

Shares 38,512 Value ($000) $4,589 Avg Close $110.49 Range $98.77 - $118.60

Q3 2020

Shares 40,693 Value ($000) $4,659 Avg Close $106.55 Range $93.90 - $118.90

Q2 2020

Shares 31,087 Value ($000) $3,543 Avg Close $95.20 Range $65.05 - $112.22

Q1 2020

Shares 86,170 Value ($000) $6,919 Avg Close $92.18 Range $65.22 - $105.64

Q4 2019

Shares 69,156 Value ($000) $7,385 Avg Close $92.43 Range $88.27 - $96.58

Q3 2019

Shares 69,524 Value ($000) $7,441 Avg Close $90.53 Range $85.50 - $95.23

Q2 2019

Shares 69,479 Value ($000) $7,074 Avg Close $84.30 Range $73.99 - $89.95

Q1 2019

Shares 64,818 Value ($000) $5,828 Avg Close $75.54 Range $69.30 - $79.02

Q4 2018

Shares 66,049 Value ($000) $5,500 Avg Close $81.26 Range $68.45 - $93.85

Q3 2018

Shares 80,011 Value ($000) $8,634 Avg Close $94.62 Range $90.13 - $99.79

Q2 2018

Shares 80,110 Value ($000) $8,807 Avg Close $89.48 Range $82.55 - $100.07

Q1 2018

Shares 80,792 Value ($000) $8,103 Avg Close $87.50 Range $81.42 - $92.99

Q4 2017

Shares 87,292 Value ($000) $8,597 Avg Close $80.65 Range $76.65 - $87.31

Q3 2017

Shares 95,447 Value ($000) $8,938 Avg Close $89.87 Range $77.62 - $95.26

Q2 2017

Shares 47,121 Value ($000) $5,238 Avg Close $89.16 Range $81.72 - $94.33

Q1 2017

Shares 49,021 Value ($000) $4,813 Avg Close $80.00 Range $75.65 - $83.94

Q4 2016

Shares 49,321 Value ($000) $4,533 Avg Close $71.99 Range $66.09 - $78.16

Q3 2016

Shares 49,221 Value ($000) $4,166 Avg Close $69.82 Range $66.73 - $72.20

Q2 2016

Shares 49,821 Value ($000) $4,056 Avg Close $62.99 Range $58.34 - $67.34

Q1 2016

Shares 55,121 Value ($000) $3,938 Avg Close $55.15 Range $49.08 - $59.76

Q4 2015

Shares 54,021 Value ($000) $3,843 Avg Close $54.99 Range $49.21 - $59.25

Q3 2015

Shares 75,521 Value ($000) $4,642 Avg Close $56.82 Range $48.84 - $61.18

Q4 2014

Shares 75,421 Value ($000) $5,057 Avg Close $50.52 Range $45.06 - $54.86

Q3 2014

Shares 75,021 Value ($000) $4,552 Avg Close $49.06 Range $46.54 - $51.28

Q2 2014

Shares 77,621 Value ($000) $4,555 Avg Close $46.37 Range $43.49 - $49.44

Q1 2014

Shares 76,321 Value ($000) $4,420 Avg Close $42.22 Range $39.75 - $47.66

Q4 2013

Shares 79,921 Value ($000) $4,278 Avg Close $46.46 Range $41.12 - $50.21

Q3 2013

Shares 48,721 Value ($000) $3,010 Avg Close $46.67 Range $44.29 - $48.97

Q2 2013

Shares 51,321 Value ($000) $3,111 Avg Close $46.22 Range $42.87 - $49.18

Q1 2013

Shares 51,221 Value ($000) $2,891 Avg Close $44.34 Range $42.56 - $47.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30,770	$5,340	$182.07	$173.39 - $197.55
Q3 2025	32,909	$6,272	$176.64	$163.92 - $190.64
Q2 2025	32,622	$5,860	$172.09	$155.80 - $180.75
Q1 2025	32,278	$5,461	$161.93	$146.66 - $176.41
Q4 2024	32,332	$4,878	$152.61	$143.46 - $162.25
Q3 2024	31,828	$4,941	$145.81	$132.40 - $155.63
Q2 2024	30,412	$4,163	$132.98	$121.83 - $141.45
Q1 2024	30,925	$4,116	$125.21	$118.84 - $138.00
Q4 2023	30,847	$4,253	$126.28	$114.23 - $136.42
Q3 2023	30,558	$3,724	$127.23	$116.28 - $139.06
Q2 2023	30,532	$4,292	$130.98	$123.12 - $141.24
Q1 2023	33,110	$4,684	$135.20	$123.25 - $148.14
Q4 2022	33,006	$5,163	$135.28	$114.90 - $149.06
Q3 2022	32,225	$3,954	$123.30	$112.74 - $133.75
Q2 2022	33,339	$4,433	$126.95	$116.79 - $135.49
Q1 2022	34,147	$4,673	$129.14	$116.62 - $159.25
Q4 2021	33,266	$5,755	$140.46	$128.33 - $160.79
Q3 2021	36,662	$5,327	$134.48	$120.64 - $147.59
Q2 2021	37,721	$4,978	$119.77	$115.00 - $130.65
Q1 2021	38,856	$4,987	$112.12	$103.22 - $122.67
Q4 2020	38,512	$4,589	$110.49	$98.77 - $118.60
Q3 2020	40,693	$4,659	$106.55	$93.90 - $118.90
Q2 2020	31,087	$3,543	$95.20	$65.05 - $112.22
Q1 2020	86,170	$6,919	$92.18	$65.22 - $105.64
Q4 2019	69,156	$7,385	$92.43	$88.27 - $96.58
Q3 2019	69,524	$7,441	$90.53	$85.50 - $95.23
Q2 2019	69,479	$7,074	$84.30	$73.99 - $89.95
Q1 2019	64,818	$5,828	$75.54	$69.30 - $79.02
Q4 2018	66,049	$5,500	$81.26	$68.45 - $93.85
Q3 2018	80,011	$8,634	$94.62	$90.13 - $99.79
Q2 2018	80,110	$8,807	$89.48	$82.55 - $100.07
Q1 2018	80,792	$8,103	$87.50	$81.42 - $92.99
Q4 2017	87,292	$8,597	$80.65	$76.65 - $87.31
Q3 2017	95,447	$8,938	$89.87	$77.62 - $95.26
Q2 2017	47,121	$5,238	$89.16	$81.72 - $94.33
Q1 2017	49,021	$4,813	$80.00	$75.65 - $83.94
Q4 2016	49,321	$4,533	$71.99	$66.09 - $78.16
Q3 2016	49,221	$4,166	$69.82	$66.73 - $72.20
Q2 2016	49,821	$4,056	$62.99	$58.34 - $67.34
Q1 2016	55,121	$3,938	$55.15	$49.08 - $59.76
Q4 2015	54,021	$3,843	$54.99	$49.21 - $59.25
Q3 2015	75,521	$4,642	$56.82	$48.84 - $61.18
Q4 2014	75,421	$5,057	$50.52	$45.06 - $54.86
Q3 2014	75,021	$4,552	$49.06	$46.54 - $51.28
Q2 2014	77,621	$4,555	$46.37	$43.49 - $49.44
Q1 2014	76,321	$4,420	$42.22	$39.75 - $47.66
Q4 2013	79,921	$4,278	$46.46	$41.12 - $50.21
Q3 2013	48,721	$3,010	$46.67	$44.29 - $48.97
Q2 2013	51,321	$3,111	$46.22	$42.87 - $49.18
Q1 2013	51,221	$2,891	$44.34	$42.56 - $47.80