QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

GABELLI FUNDS LLC's Holding History (CIK: 0001081407)

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

Q4 2025

Shares 1,700 Value ($000) $295 Avg Close $182.07 Range $173.39 - $197.55

Q3 2025

Shares 1,700 Value ($000) $324 Avg Close $176.64 Range $163.92 - $190.64

Q2 2025

Shares 1,600 Value ($000) $287 Avg Close $172.09 Range $155.80 - $180.75

Q3 2015

Shares 25,000 Value ($000) $1,537 Avg Close $56.82 Range $48.84 - $61.18

Q2 2015

Shares 25,000 Value ($000) $1,813 Avg Close $59.70 Range $56.18 - $71.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,700	$295	$182.07	$173.39 - $197.55
Q3 2025	1,700	$324	$176.64	$163.92 - $190.64
Q2 2025	1,600	$287	$172.09	$155.80 - $180.75
Q3 2015	25,000	$1,537	$56.82	$48.84 - $61.18
Q2 2015	25,000	$1,813	$59.70	$56.18 - $71.98