ARGX — Argenx SE

Ownership history in Campbell & CO Investment Adviser LLC  ·  12 quarters on record

This page tracks every 13F SEC filing in which Campbell & CO Investment Adviser LLC reported a position in Argenx SE (ARGX). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.45% (2025 Q4)
Avg. % of fund
0.22%
First filed
2021 Q3
Last filed
2025 Q4
Quarters held
12
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 11,177 +8,178 +272.7% 0.45% $9.4M $840.95
2025 Q3 REDUCED 2,999 -2,536 -45.8% 0.17% $2.2M $737.56
2025 Q2 ADDED 5,535 +3,207 +137.8% 0.19% $3.1M $551.22
2025 Q1 ADDED 2,328 +1,470 +171.3% 0.11% $1.4M $591.86
8 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    ARGX price (monthly, adj. close)

Other funds also holding ARGX

As of 2025 Q4 — sorted by position size

Checkpoint Capital L.P. 37.31% Eagle Health Investments LP 3Y 11.59% Avoro Capital Advisors LLC 3Y 7Y 8.18% Artia Global Partners LP 3Y 7.71% Bellevue Group AG 3Y 7Y 7.36% RTW INVESTMENTS, LP 3Y 7Y 5.67% Patient Square Capital LP 3Y 4.68% Rock Springs Capital Management LP 3Y 7Y 4.45% Tri Locum Partners LP 3Y 4.11% DCF Advisers, LLC 3Y 3.08%
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