IONQ INC

Ticker: IONQ CUSIP: 46222L108 Class: EQTY

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2025

Shares 814 Value ($000) $37 Avg Close $56.04 Range $38.00 - $84.64

Q3 2025

Shares 758 Value ($000) $47 Avg Close $47.02 Range $34.77 - $76.13

Q2 2025

Shares 754 Value ($000) $32 Avg Close $33.51 Range $18.81 - $48.94

Q1 2025

Shares 754 Value ($000) $17 Avg Close $32.40 Range $17.88 - $54.74

Q4 2024

Shares 240 Value ($000) $10 Avg Close $25.08 Range $7.99 - $48.56

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	814	$37	$56.04	$38.00 - $84.64
Q3 2025	758	$47	$47.02	$34.77 - $76.13
Q2 2025	754	$32	$33.51	$18.81 - $48.94
Q1 2025	754	$17	$32.40	$17.88 - $54.74
Q4 2024	240	$10	$25.08	$7.99 - $48.56