QUIDELORTHO CORP

Ticker: QDEL CUSIP: 219798105 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025

Shares 3,026 Value ($000) $86 Avg Close $27.09 Range $19.50 - $32.81

Q2 2025

Shares 3,261 Value ($000) $94 Avg Close $29.57 Range $23.77 - $38.99

Q2 2024

Shares 1,670 Value ($000) $55 Avg Close $40.91 Range $32.47 - $47.94

Q1 2024

Shares 2,490 Value ($000) $119 Avg Close $58.31 Range $41.75 - $75.82

Q4 2023

Shares 1,006 Value ($000) $74 Avg Close $67.61 Range $57.54 - $75.86

Q2 2022

Shares 7,325 Value ($000) $712 Avg Close $101.94 Range $88.05 - $120.61

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,026	$86	$27.09	$19.50 - $32.81
Q2 2025	3,261	$94	$29.57	$23.77 - $38.99
Q2 2024	1,670	$55	$40.91	$32.47 - $47.94
Q1 2024	2,490	$119	$58.31	$41.75 - $75.82
Q4 2023	1,006	$74	$67.61	$57.54 - $75.86
Q2 2022	7,325	$712	$101.94	$88.05 - $120.61