GRAIL INC

Ticker: GRAL CUSIP: 384747101 Class: Common Stock

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

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

Q4 2025

Shares 43,722 Value ($000) $3,742 Avg Close $86.40 Range $58.50 - $115.76

Q3 2025

Shares 17,498 Value ($000) $1,035 Avg Close $38.21 Range $29.95 - $59.70

Q2 2025

Shares 12,518 Value ($000) $644 Avg Close $36.20 Range $20.44 - $52.56

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	43,722	$3,742	$86.40	$58.50 - $115.76
Q3 2025	17,498	$1,035	$38.21	$29.95 - $59.70
Q2 2025	12,518	$644	$36.20	$20.44 - $52.56