QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q4 2025

Shares 2,641 Value ($000) $458 Avg Close $182.07 Range $173.39 - $197.55

Q3 2025

Shares 2,958 Value ($000) $564 Avg Close $176.64 Range $163.92 - $190.64

Q1 2025

Shares 3,998 Value ($000) $676 Avg Close $161.93 Range $146.66 - $176.41

Q2 2024

Shares 6,246 Value ($000) $855 Avg Close $132.98 Range $121.83 - $141.45

Q1 2024

Shares 267 Value ($000) $36 Avg Close $125.21 Range $118.84 - $138.00

Q4 2023

Shares 1,974 Value ($000) $272 Avg Close $126.28 Range $114.23 - $136.42

Q3 2023

Shares 48,557 Value ($000) $5,917 Avg Close $127.23 Range $116.28 - $139.06

Q1 2023

Shares 13,207 Value ($000) $1,869 Avg Close $135.20 Range $123.25 - $148.14

Q4 2022

Shares 8,812 Value ($000) $1,379 Avg Close $135.28 Range $114.90 - $149.06

Q2 2022

Shares 18,403 Value ($000) $2,447 Avg Close $126.95 Range $116.79 - $135.49

Q1 2022

Shares 8,696 Value ($000) $1,190 Avg Close $129.14 Range $116.62 - $159.25

Q4 2021

Shares 6,453 Value ($000) $1,116 Avg Close $140.46 Range $128.33 - $160.79

Q2 2021

Shares 2,760 Value ($000) $364 Avg Close $119.77 Range $115.00 - $130.65

Q1 2021

Shares 1,436 Value ($000) $184 Avg Close $112.12 Range $103.22 - $122.67

Q4 2020

Shares 7,358 Value ($000) $877 Avg Close $110.49 Range $98.77 - $118.60

Q3 2020

Shares 1,751 Value ($000) $200 Avg Close $106.55 Range $93.90 - $118.90

Q1 2020

Shares 4,403 Value ($000) $354 Avg Close $92.18 Range $65.22 - $105.64

Q1 2019

Shares 10,696 Value ($000) $962 Avg Close $75.54 Range $69.30 - $79.02

Q4 2018

Shares 148 Value ($000) $12 Avg Close $81.26 Range $68.45 - $93.85

Q3 2018

Shares 3,248 Value ($000) $350 Avg Close $94.62 Range $90.13 - $99.79

Q2 2018

Shares 2,319 Value ($000) $255 Avg Close $89.48 Range $82.55 - $100.07

Q1 2018

Shares 829 Value ($000) $83 Avg Close $87.50 Range $81.42 - $92.99

Q4 2017

Shares 3,944 Value ($000) $388 Avg Close $80.65 Range $76.65 - $87.31

Q3 2017

Shares 14,927 Value ($000) $1,398 Avg Close $89.87 Range $77.62 - $95.26

Q1 2015

Shares 25,671 Value ($000) $1,973 Avg Close $57.60 Range $52.93 - $63.03

Q4 2014

Shares 22,469 Value ($000) $1,507 Avg Close $50.52 Range $45.06 - $54.86

Q2 2014

Shares 8,330 Value ($000) $489 Avg Close $46.37 Range $43.49 - $49.44

Q4 2013

Shares 20,108 Value ($000) $1,077 Avg Close $46.46 Range $41.12 - $50.21

Q2 2013

Shares 15,428 Value ($000) $935 Avg Close $46.22 Range $42.87 - $49.18

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,641	$458	$182.07	$173.39 - $197.55
Q3 2025	2,958	$564	$176.64	$163.92 - $190.64
Q1 2025	3,998	$676	$161.93	$146.66 - $176.41
Q2 2024	6,246	$855	$132.98	$121.83 - $141.45
Q1 2024	267	$36	$125.21	$118.84 - $138.00
Q4 2023	1,974	$272	$126.28	$114.23 - $136.42
Q3 2023	48,557	$5,917	$127.23	$116.28 - $139.06
Q1 2023	13,207	$1,869	$135.20	$123.25 - $148.14
Q4 2022	8,812	$1,379	$135.28	$114.90 - $149.06
Q2 2022	18,403	$2,447	$126.95	$116.79 - $135.49
Q1 2022	8,696	$1,190	$129.14	$116.62 - $159.25
Q4 2021	6,453	$1,116	$140.46	$128.33 - $160.79
Q2 2021	2,760	$364	$119.77	$115.00 - $130.65
Q1 2021	1,436	$184	$112.12	$103.22 - $122.67
Q4 2020	7,358	$877	$110.49	$98.77 - $118.60
Q3 2020	1,751	$200	$106.55	$93.90 - $118.90
Q1 2020	4,403	$354	$92.18	$65.22 - $105.64
Q1 2019	10,696	$962	$75.54	$69.30 - $79.02
Q4 2018	148	$12	$81.26	$68.45 - $93.85
Q3 2018	3,248	$350	$94.62	$90.13 - $99.79
Q2 2018	2,319	$255	$89.48	$82.55 - $100.07
Q1 2018	829	$83	$87.50	$81.42 - $92.99
Q4 2017	3,944	$388	$80.65	$76.65 - $87.31
Q3 2017	14,927	$1,398	$89.87	$77.62 - $95.26
Q1 2015	25,671	$1,973	$57.60	$52.93 - $63.03
Q4 2014	22,469	$1,507	$50.52	$45.06 - $54.86
Q2 2014	8,330	$489	$46.37	$43.49 - $49.44
Q4 2013	20,108	$1,077	$46.46	$41.12 - $50.21
Q2 2013	15,428	$935	$46.22	$42.87 - $49.18