Question 1

Does Baker Bros. Advisors own ARGX stock?

Accepted Answer

No. Baker Bros. Advisors exited its ARGX (argenx) position in Q2 2026. Its Q1 2026 13F listed 25,174 shares worth $18.4M.

Question 2

How many shares of ARGX does Baker Bros. Advisors own?

Accepted Answer

None since Q2 2026, when Baker Bros. Advisors exited the position. Its Q1 2026 13F listed 25,174 shares worth $18.4M.

Question 3

What is Baker Bros. Advisors' ARGX position worth?

Accepted Answer

Baker Bros. Advisors' ARGX position was worth $18.4M in its Q1 2026 13F, before the exit in Q2 2026.

Question 4

Is Baker Bros. Advisors buying or selling ARGX?

Accepted Answer

In Q2 2026, Baker Bros. Advisors exited its entire ARGX position.

Question 5

When did Baker Bros. Advisors first buy ARGX?

Accepted Answer

Baker Bros. Advisors already held ARGX in its Q1 2019 13F, the earliest on record, and listed it in 29 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price
2026-Q2 Latest	Exited	0	-100.0%	$0	0.0%	$927.77
2026-Q1	Unchanged	25,174	0.0%	$18.4M	0.1%	$730.25
2025-Q4	Decreased	25,174	-33.3%	$21.2M	0.1%	$840.95
2025-Q3	Unchanged	37,760	0.0%	$27.9M	0.2%	$737.56
2025-Q2	Decreased	37,760	-51.4%	$20.8M	0.2%	$551.22
2025-Q1	Decreased	77,760	-30.5%	$46M	0.5%	$591.87
2024-Q4	Unchanged	111,904	0.0%	$68.8M	0.7%	$615.00
2024-Q3	Unchanged	111,904	0.0%	$60.7M	0.6%	$542.08