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Boston Common Asset Management, LLC

Position in ARGX — Argenx SE

CIK 1409427 BOSTON, MA

Position in ARGX

as of Jun 30, 2026 · filed Jul 21, 2026
Position Value
$3,330,694
+$590,066 QoQ
Shares Held
3,590
-4.3% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.23%
of 13F equity value
Holder Rank
#171
of 504 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 89% Shared 0% None 11%

Common Shares in ARGX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Boston Common Asset Management, LLC holds $13,013,451 across 2 Biotechnology names. ARGX ranks #2 (25.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 ARGX
Argenx SE
This page
3,590 $3,330,694

All Filings in ARGX

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,330,694 3,590
2026-03-31 $2,740,628 3,753