QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

Waterloo Capital, L.P.'s Holding History (CIK: 0001730942)

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

Q4 2025

Shares 26,330 Value ($000) $4,569 Avg Close $182.07 Range $173.39 - $197.55

Q3 2025

Shares 25,779 Value ($000) $4,913 Avg Close $176.64 Range $163.92 - $190.64

Q2 2025

Shares 22,280 Value ($000) $4,002 Avg Close $172.09 Range $155.80 - $180.75

Q1 2025

Shares 20,345 Value ($000) $3,442 Avg Close $161.93 Range $146.66 - $176.41

Q4 2024

Shares 17,348 Value ($000) $2,617 Avg Close $152.61 Range $143.46 - $162.25

Q3 2024

Shares 15,820 Value ($000) $2,456 Avg Close $145.81 Range $132.40 - $155.63

Q2 2024

Shares 4,397 Value ($000) $602 Avg Close $132.98 Range $121.83 - $141.45

Q1 2024

Shares 4,142 Value ($000) $551 Avg Close $125.21 Range $118.84 - $138.00

Q4 2023

Shares 5,413 Value ($000) $746 Avg Close $126.28 Range $114.23 - $136.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	26,330	$4,569	$182.07	$173.39 - $197.55
Q3 2025	25,779	$4,913	$176.64	$163.92 - $190.64
Q2 2025	22,280	$4,002	$172.09	$155.80 - $180.75
Q1 2025	20,345	$3,442	$161.93	$146.66 - $176.41
Q4 2024	17,348	$2,617	$152.61	$143.46 - $162.25
Q3 2024	15,820	$2,456	$145.81	$132.40 - $155.63
Q2 2024	4,397	$602	$132.98	$121.83 - $141.45
Q1 2024	4,142	$551	$125.21	$118.84 - $138.00
Q4 2023	5,413	$746	$126.28	$114.23 - $136.42