Back to WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

ARGXARGX
3 quarters

Position history for WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCWILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's holdings in ARGENX SE - ADR

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds 264,617 shares of ARGX (ARGENX SE - ADR), worth $245.5M as of 2026-Q2. The position was decreased (-0.5% shares). ARGX represents 0.7% of WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's portfolio.

Current Value

$245.5M

Current Shares

264,617

Total Value Change

+$57.4M

Total Shares Change

+40,951

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Decreased
264,617
-0.5%
$245.5M0.7%$927.77
0
2026-Q1
Increased
266,067
+19.0%
$194.4M0.6%$730.25
51
2025-Q4
New
223,666
-
$188.1M0.5%$840.95
60

Other major holders of ARGX: FMR LLC

Analytics tracking helps us improve the product. Essential functions stay on either way. How analytics data is used