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Argenx SE Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

NASDAQ
ARGX
Argenx SE
SCHEDULE: FMR LLC Discloses 8.7% Stake in arGEN-X SE
FMR LLC, through its subsidiaries and affiliates, has reported beneficial ownership of 8.7% of arGEN-X SE's common stock as of March 31, 2026.
NASDAQ
ARGX
Argenx SE
SCHEDULE: T. Rowe Price Discloses 6.0% Stake in ARGENX SE ADRs
T. Rowe Price Associates, Inc. has filed an amended Schedule 13G, reporting a 6.0% beneficial ownership stake in ARGENX SE American Depositary Receipts.
NASDAQ
ARGX
Argenx SE
SCHEDULE: T. Rowe Price Boosts Argenx SE Stake to 8.2%
T. Rowe Price Associates, Inc. has disclosed an 8.2% beneficial ownership stake in Argenx SE ADR, held for investment purposes.
NASDAQ
ARGX
Argenx SE
SCHEDULE: Artisan Partners Amends Argenx SE Stake
Artisan Partners Asset Management Inc. and its affiliates reported a 3.8% passive beneficial ownership stake in Argenx SE as of June 30, 2025.
NASDAQ
ARGX
Argenx SE
SCHEDULE 13G/A: FMR LLC and Abigail P. Johnson Disclose 10.0% Stake in ARGENX SE
FMR LLC and its Chairman and CEO, Abigail P. Johnson, have filed an amended Schedule 13G, reporting a beneficial ownership of 10.0% in ARGENX SE's common stock as of December 31, 2024.