QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q4 2025

Shares 179,653 Value ($000) $31 Avg Close $182.07 Range $173.39 - $197.55

Q3 2025

Shares 22,622 Value ($000) $4 Avg Close $176.64 Range $163.92 - $190.64

Q2 2025

Shares 42,219 Value ($000) $8 Avg Close $172.09 Range $155.80 - $180.75

Q1 2025

Shares 13,837 Value ($000) $2 Avg Close $161.93 Range $146.66 - $176.41

Q3 2024

Shares 14,287 Value ($000) $2 Avg Close $145.81 Range $132.40 - $155.63

Q2 2024

Shares 119,347 Value ($000) $16 Avg Close $132.98 Range $121.83 - $141.45

Q1 2024

Shares 109,802 Value ($000) $15 Avg Close $125.21 Range $118.84 - $138.00

Q4 2023

Shares 9,323 Value ($000) $1 Avg Close $126.28 Range $114.23 - $136.42

Q3 2023

Shares 42,504 Value ($000) $5 Avg Close $127.23 Range $116.28 - $139.06

Q2 2023

Shares 38,112 Value ($000) $5 Avg Close $130.98 Range $123.12 - $141.24

Q1 2023

Shares 6,117 Value ($000) $1 Avg Close $135.20 Range $123.25 - $148.14

Q4 2022

Shares 1,132 Value ($000) $0 Avg Close $135.28 Range $114.90 - $149.06

Q3 2022

Shares 15,687 Value ($000) $1,925 Avg Close $123.30 Range $112.74 - $133.75

Q2 2022

Shares 11,888 Value ($000) $1,581 Avg Close $126.95 Range $116.79 - $135.49

Q1 2022

Shares 7,161 Value ($000) $980 Avg Close $129.14 Range $116.62 - $159.25

Q4 2021

Shares 10,744 Value ($000) $1,859 Avg Close $140.46 Range $128.33 - $160.79

Q3 2021

Shares 10,982 Value ($000) $1,596 Avg Close $134.48 Range $120.64 - $147.59

Q2 2021

Shares 11,217 Value ($000) $1,480 Avg Close $119.77 Range $115.00 - $130.65

Q1 2021

Shares 38,082 Value ($000) $4,887 Avg Close $112.12 Range $103.22 - $122.67

Q4 2020

Shares 51,944 Value ($000) $6,190 Avg Close $110.49 Range $98.77 - $118.60

Q3 2020

Shares 9,315 Value ($000) $1,066 Avg Close $106.55 Range $93.90 - $118.90

Q2 2020

Shares 60,679 Value ($000) $6,915 Avg Close $95.20 Range $65.05 - $112.22

Q1 2020

Shares 83,255 Value ($000) $6,685 Avg Close $92.18 Range $65.22 - $105.64

Q4 2019

Shares 11,428 Value ($000) $1,220 Avg Close $92.43 Range $88.27 - $96.58

Q3 2019

Shares 46,335 Value ($000) $4,959 Avg Close $90.53 Range $85.50 - $95.23

Q2 2019

Shares 109,075 Value ($000) $11,105 Avg Close $84.30 Range $73.99 - $89.95

Q1 2019

Shares 47,653 Value ($000) $4,285 Avg Close $75.54 Range $69.30 - $79.02

Q4 2018

Shares 61,827 Value ($000) $5,148 Avg Close $81.26 Range $68.45 - $93.85

Q3 2018

Shares 69,302 Value ($000) $7,478 Avg Close $94.62 Range $90.13 - $99.79

Q2 2018

Shares 40,723 Value ($000) $4,477 Avg Close $89.48 Range $82.55 - $100.07

Q1 2018

Shares 60,873 Value ($000) $6,106 Avg Close $87.50 Range $81.42 - $92.99

Q4 2017

Shares 61,032 Value ($000) $6,011 Avg Close $80.65 Range $76.65 - $87.31

Q3 2017

Shares 75,880 Value ($000) $7,105 Avg Close $89.87 Range $77.62 - $95.26

Q2 2017

Shares 116,012 Value ($000) $12,896 Avg Close $89.16 Range $81.72 - $94.33

Q1 2017

Shares 83,940 Value ($000) $8,242 Avg Close $80.00 Range $75.65 - $83.94

Q4 2016

Shares 86,147 Value ($000) $7,917 Avg Close $71.99 Range $66.09 - $78.16

Q3 2016

Shares 33,198 Value ($000) $2,810 Avg Close $69.82 Range $66.73 - $72.20

Q2 2016

Shares 79,070 Value ($000) $6,437 Avg Close $62.99 Range $58.34 - $67.34

Q1 2016

Shares 63,463 Value ($000) $4,534 Avg Close $55.15 Range $49.08 - $59.76

Q4 2015

Shares 31,205 Value ($000) $2,220 Avg Close $54.99 Range $49.21 - $59.25

Q3 2015

Shares 6,384 Value ($000) $392 Avg Close $56.82 Range $48.84 - $61.18

Q2 2015

Shares 27,894 Value ($000) $2,023 Avg Close $59.70 Range $56.18 - $71.98

Q1 2015

Shares 12,934 Value ($000) $994 Avg Close $57.60 Range $52.93 - $63.03

Q4 2014

Shares 58,067 Value ($000) $3,894 Avg Close $50.52 Range $45.06 - $54.86

Q3 2014

Shares 36,783 Value ($000) $2,232 Avg Close $49.06 Range $46.54 - $51.28

Q2 2014

Shares 101,520 Value ($000) $5,958 Avg Close $46.37 Range $43.49 - $49.44

Q1 2014

Shares 108,105 Value ($000) $6,261 Avg Close $42.22 Range $39.75 - $47.66

Q4 2013

Shares 166,047 Value ($000) $8,890 Avg Close $46.46 Range $41.12 - $50.21

Q3 2013

Shares 97,892 Value ($000) $6,049 Avg Close $46.67 Range $44.29 - $48.97

Q2 2013

Shares 67,601 Value ($000) $4,099 Avg Close $46.22 Range $42.87 - $49.18

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	179,653	$31	$182.07	$173.39 - $197.55
Q3 2025	22,622	$4	$176.64	$163.92 - $190.64
Q2 2025	42,219	$8	$172.09	$155.80 - $180.75
Q1 2025	13,837	$2	$161.93	$146.66 - $176.41
Q3 2024	14,287	$2	$145.81	$132.40 - $155.63
Q2 2024	119,347	$16	$132.98	$121.83 - $141.45
Q1 2024	109,802	$15	$125.21	$118.84 - $138.00
Q4 2023	9,323	$1	$126.28	$114.23 - $136.42
Q3 2023	42,504	$5	$127.23	$116.28 - $139.06
Q2 2023	38,112	$5	$130.98	$123.12 - $141.24
Q1 2023	6,117	$1	$135.20	$123.25 - $148.14
Q4 2022	1,132	$0	$135.28	$114.90 - $149.06
Q3 2022	15,687	$1,925	$123.30	$112.74 - $133.75
Q2 2022	11,888	$1,581	$126.95	$116.79 - $135.49
Q1 2022	7,161	$980	$129.14	$116.62 - $159.25
Q4 2021	10,744	$1,859	$140.46	$128.33 - $160.79
Q3 2021	10,982	$1,596	$134.48	$120.64 - $147.59
Q2 2021	11,217	$1,480	$119.77	$115.00 - $130.65
Q1 2021	38,082	$4,887	$112.12	$103.22 - $122.67
Q4 2020	51,944	$6,190	$110.49	$98.77 - $118.60
Q3 2020	9,315	$1,066	$106.55	$93.90 - $118.90
Q2 2020	60,679	$6,915	$95.20	$65.05 - $112.22
Q1 2020	83,255	$6,685	$92.18	$65.22 - $105.64
Q4 2019	11,428	$1,220	$92.43	$88.27 - $96.58
Q3 2019	46,335	$4,959	$90.53	$85.50 - $95.23
Q2 2019	109,075	$11,105	$84.30	$73.99 - $89.95
Q1 2019	47,653	$4,285	$75.54	$69.30 - $79.02
Q4 2018	61,827	$5,148	$81.26	$68.45 - $93.85
Q3 2018	69,302	$7,478	$94.62	$90.13 - $99.79
Q2 2018	40,723	$4,477	$89.48	$82.55 - $100.07
Q1 2018	60,873	$6,106	$87.50	$81.42 - $92.99
Q4 2017	61,032	$6,011	$80.65	$76.65 - $87.31
Q3 2017	75,880	$7,105	$89.87	$77.62 - $95.26
Q2 2017	116,012	$12,896	$89.16	$81.72 - $94.33
Q1 2017	83,940	$8,242	$80.00	$75.65 - $83.94
Q4 2016	86,147	$7,917	$71.99	$66.09 - $78.16
Q3 2016	33,198	$2,810	$69.82	$66.73 - $72.20
Q2 2016	79,070	$6,437	$62.99	$58.34 - $67.34
Q1 2016	63,463	$4,534	$55.15	$49.08 - $59.76
Q4 2015	31,205	$2,220	$54.99	$49.21 - $59.25
Q3 2015	6,384	$392	$56.82	$48.84 - $61.18
Q2 2015	27,894	$2,023	$59.70	$56.18 - $71.98
Q1 2015	12,934	$994	$57.60	$52.93 - $63.03
Q4 2014	58,067	$3,894	$50.52	$45.06 - $54.86
Q3 2014	36,783	$2,232	$49.06	$46.54 - $51.28
Q2 2014	101,520	$5,958	$46.37	$43.49 - $49.44
Q1 2014	108,105	$6,261	$42.22	$39.75 - $47.66
Q4 2013	166,047	$8,890	$46.46	$41.12 - $50.21
Q3 2013	97,892	$6,049	$46.67	$44.29 - $48.97
Q2 2013	67,601	$4,099	$46.22	$42.87 - $49.18