QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

RTW INVESTMENTS, LP's Holding History (CIK: 0001493215)

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

Q3 2025

Shares 250,000 Value ($000) $47,645 Avg Close $176.64 Range $163.92 - $190.64

Q2 2025

Shares 500,000 Value ($000) $89,815 Avg Close $172.09 Range $155.80 - $180.75

Q1 2025

Shares 98,997 Value ($000) $16,750 Avg Close $161.93 Range $146.66 - $176.41

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	250,000	$47,645	$176.64	$163.92 - $190.64
Q2 2025	500,000	$89,815	$172.09	$155.80 - $180.75
Q1 2025	98,997	$16,750	$161.93	$146.66 - $176.41