GENEDX HOLDINGS CORP

Ticker: WGS CUSIP: 81663L200 Class: Common Stock

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q4 2025

Shares 809,210 Value ($000) $105,246 Avg Close $137.25 Range $107.14 - $170.87

Q3 2025

Shares 1,220,138 Value ($000) $131,458 Avg Close $108.95 Range $76.04 - $136.00

Q2 2025

Shares 1,631,402 Value ($000) $150,595 Avg Close $78.50 Range $55.17 - $117.75

Q1 2025

Shares 1,188,988 Value ($000) $105,303 Avg Close $86.75 Range $58.62 - $115.60

Q4 2024

Shares 669,995 Value ($000) $51,496 Avg Close $69.85 Range $40.40 - $89.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	809,210	$105,246	$137.25	$107.14 - $170.87
Q3 2025	1,220,138	$131,458	$108.95	$76.04 - $136.00
Q2 2025	1,631,402	$150,595	$78.50	$55.17 - $117.75
Q1 2025	1,188,988	$105,303	$86.75	$58.62 - $115.60
Q4 2024	669,995	$51,496	$69.85	$40.40 - $89.11