Question 1

How many shares of ARGX does DRIEHAUS CAPITAL MANAGEMENT LLC own?

Accepted Answer

DRIEHAUS CAPITAL MANAGEMENT LLC previously held 0 shares of ARGX (ARGENX SE - ADR) before exiting the position in 2026-Q1.

Question 2

What is DRIEHAUS CAPITAL MANAGEMENT LLC's ARGX position worth?

Accepted Answer

DRIEHAUS CAPITAL MANAGEMENT LLC's ARGX position was last reported at $0 in 2026-Q1 before the exit.

Question 3

Is DRIEHAUS CAPITAL MANAGEMENT LLC buying or selling ARGX?

Accepted Answer

In 2026-Q1, DRIEHAUS CAPITAL MANAGEMENT LLC exited their ARGX position entirely (-100.0% change in shares).

Question 4

When did DRIEHAUS CAPITAL MANAGEMENT LLC first buy ARGX?

Accepted Answer

Based on available 13F filings, DRIEHAUS CAPITAL MANAGEMENT LLC first reported a position in ARGX in 2024-Q3. They have held the position across 29 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Exited	0	-100.0%	$0	0.0%	$730.25	0
2025-Q4	Decreased	16,897	-11.2%	$14.2M	0.1%	$840.95	0
2025-Q3	Decreased	19,034	-8.2%	$14M	0.1%	$737.56	0
2025-Q2	Decreased	20,744	-57.7%	$11.4M	0.1%	$551.22	0
2025-Q1	Increased	49,071	+3.6%	$29M	0.3%	$591.87	36
2024-Q4	Increased	47,354	+3.7%	$29.1M	0.2%	$615.00	36
2024-Q3	Increased	45,655	+61.3%	$24.7M	0.2%	$542.08	49

ARGXShowing 7 of 29 quarters

ARGX
Showing 7 of 29 quarters