QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

VIRGINIA RETIREMENT SYSTEMS ET AL's Holding History (CIK: 0001005354)

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

Q4 2025

Shares 123,876 Value ($000) $21,496 Avg Close $182.07 Range $173.39 - $197.55

Q3 2025

Shares 123,876 Value ($000) $23,608 Avg Close $176.64 Range $163.92 - $190.64

Q2 2025

Shares 123,876 Value ($000) $22,252 Avg Close $172.09 Range $155.80 - $180.75

Q1 2025

Shares 136,048 Value ($000) $23,019 Avg Close $161.93 Range $146.66 - $176.41

Q3 2023

Shares 87,072 Value ($000) $10,611 Avg Close $127.23 Range $116.28 - $139.06

Q2 2023

Shares 87,072 Value ($000) $12,239 Avg Close $130.98 Range $123.12 - $141.24

Q1 2023

Shares 87,072 Value ($000) $12,319 Avg Close $135.20 Range $123.25 - $148.14

Q4 2022

Shares 18,500 Value ($000) $2,894 Avg Close $135.28 Range $114.90 - $149.06

Q3 2022

Shares 17,800 Value ($000) $2,184 Avg Close $123.30 Range $112.74 - $133.75

Q2 2021

Shares 73,900 Value ($000) $9,753 Avg Close $119.77 Range $115.00 - $130.65

Q1 2021

Shares 74,100 Value ($000) $9,510 Avg Close $112.12 Range $103.22 - $122.67

Q4 2020

Shares 69,900 Value ($000) $8,330 Avg Close $110.49 Range $98.77 - $118.60

Q3 2020

Shares 21,200 Value ($000) $2,427 Avg Close $106.55 Range $93.90 - $118.90

Q3 2018

Shares 37,600 Value ($000) $4,057 Avg Close $94.62 Range $90.13 - $99.79

Q2 2018

Shares 48,700 Value ($000) $5,354 Avg Close $89.48 Range $82.55 - $100.07

Q1 2018

Shares 117,400 Value ($000) $11,775 Avg Close $87.50 Range $81.42 - $92.99

Q4 2017

Shares 117,400 Value ($000) $11,563 Avg Close $80.65 Range $76.65 - $87.31

Q3 2017

Shares 200,000 Value ($000) $18,728 Avg Close $89.87 Range $77.62 - $95.26

Q2 2017

Shares 145,200 Value ($000) $16,140 Avg Close $89.16 Range $81.72 - $94.33

Q1 2017

Shares 132,800 Value ($000) $13,040 Avg Close $80.00 Range $75.65 - $83.94

Q4 2016

Shares 99,200 Value ($000) $9,116 Avg Close $71.99 Range $66.09 - $78.16

Q3 2016

Shares 66,000 Value ($000) $5,586 Avg Close $69.82 Range $66.73 - $72.20

Q2 2016

Shares 66,300 Value ($000) $5,397 Avg Close $62.99 Range $58.34 - $67.34

Q4 2015

Shares 69,052 Value ($000) $4,912 Avg Close $54.99 Range $49.21 - $59.25

Q3 2015

Shares 69,025 Value ($000) $4,243 Avg Close $56.82 Range $48.84 - $61.18

Q2 2015

Shares 73,309 Value ($000) $5,316 Avg Close $59.70 Range $56.18 - $71.98

Q1 2015

Shares 139,311 Value ($000) $10,706 Avg Close $57.60 Range $52.93 - $63.03

Q2 2013

Shares 4,974 Value ($000) $302 Avg Close $46.22 Range $42.87 - $49.18

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	123,876	$21,496	$182.07	$173.39 - $197.55
Q3 2025	123,876	$23,608	$176.64	$163.92 - $190.64
Q2 2025	123,876	$22,252	$172.09	$155.80 - $180.75
Q1 2025	136,048	$23,019	$161.93	$146.66 - $176.41
Q3 2023	87,072	$10,611	$127.23	$116.28 - $139.06
Q2 2023	87,072	$12,239	$130.98	$123.12 - $141.24
Q1 2023	87,072	$12,319	$135.20	$123.25 - $148.14
Q4 2022	18,500	$2,894	$135.28	$114.90 - $149.06
Q3 2022	17,800	$2,184	$123.30	$112.74 - $133.75
Q2 2021	73,900	$9,753	$119.77	$115.00 - $130.65
Q1 2021	74,100	$9,510	$112.12	$103.22 - $122.67
Q4 2020	69,900	$8,330	$110.49	$98.77 - $118.60
Q3 2020	21,200	$2,427	$106.55	$93.90 - $118.90
Q3 2018	37,600	$4,057	$94.62	$90.13 - $99.79
Q2 2018	48,700	$5,354	$89.48	$82.55 - $100.07
Q1 2018	117,400	$11,775	$87.50	$81.42 - $92.99
Q4 2017	117,400	$11,563	$80.65	$76.65 - $87.31
Q3 2017	200,000	$18,728	$89.87	$77.62 - $95.26
Q2 2017	145,200	$16,140	$89.16	$81.72 - $94.33
Q1 2017	132,800	$13,040	$80.00	$75.65 - $83.94
Q4 2016	99,200	$9,116	$71.99	$66.09 - $78.16
Q3 2016	66,000	$5,586	$69.82	$66.73 - $72.20
Q2 2016	66,300	$5,397	$62.99	$58.34 - $67.34
Q4 2015	69,052	$4,912	$54.99	$49.21 - $59.25
Q3 2015	69,025	$4,243	$56.82	$48.84 - $61.18
Q2 2015	73,309	$5,316	$59.70	$56.18 - $71.98
Q1 2015	139,311	$10,706	$57.60	$52.93 - $63.03
Q2 2013	4,974	$302	$46.22	$42.87 - $49.18