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Showing 8 of 30 quarters

Position history for RTW INVESTMENTS, LPRTW INVESTMENTS, LP's holdings in ARGENX SE

Yes. RTW Investments holds 709,446 shares of ARGX (Argenx), worth $658.2M, as of its Q2 2026 13F filing. The share count is unchanged from Q1 2026. RTW Investments has held ARGX in every 13F on record since Q1 2019, 30 quarterly filings. ARGX is 5.6% of RTW Investments' reported 13F portfolio.

Current Value

$658.2M

Current Shares

709,446

Total Value Change

+$303.4M

Total Shares Change

+55,016

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Unchanged
709,446
0.0%
$658.2M5.6%$927.77
0
2026-Q1
Increased
709,446
+5.3%
$518.1M5.2%$730.25
64
2025-Q4
Unchanged
673,497
0.0%
$566.4M5.7%$840.95
0
2025-Q3
Unchanged
673,497
0.0%
$496.7M6.1%$737.56
0
2025-Q2
Unchanged
673,497
0.0%
$371.2M5.3%$551.22
0
2025-Q1
Unchanged
673,497
0.0%
$398.6M6.1%$591.87
0
2024-Q4
Increased
673,497
+2.9%
$414.2M6.3%$615.00
62
2024-Q3
Unchanged
654,430
0.0%
$354.8M5.1%$542.08
0

Other major holders of ARGX: FMR LLC

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