Question 1

Does Erste Asset Management own BIIB stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Erste Asset Management holds 66,677 shares of BIIB (Biogen), worth $14.4M.

Question 2

How many shares of BIIB does Erste Asset Management own?

Accepted Answer

As of its Q2 2026 13F, Erste Asset Management holds 66,677 shares of BIIB (Biogen).

Question 3

What is Erste Asset Management's BIIB position worth?

Accepted Answer

As of its Q2 2026 13F, Erste Asset Management's BIIB position is worth $14.4M.

Question 4

Is Erste Asset Management buying or selling BIIB?

Accepted Answer

In Q2 2026, Erste Asset Management increased its BIIB position by 13,535 shares (+25.5%).

Question 5

When did Erste Asset Management first buy BIIB?

Accepted Answer

Erste Asset Management already held BIIB in its Q1 2019 13F, the earliest on record, and has listed it in 30 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	66,677	+25.5%	$14.4M	0.1%	$216.06	41
2026-Q1	Increased	53,142	+9.1%	$10M	0.1%	$183.33	30
2025-Q4	Increased	48,734	+6.9%	$8.6M	0.1%	$175.99	29
2025-Q3	Decreased	45,585	-2.2%	$6.3M	0.1%	$140.08	0
2025-Q2	Decreased	46,623	-8.5%	$5.9M	0.0%	$125.59	0
2025-Q1	Decreased	50,956	-14.1%	$7.1M	0.1%	$136.84	0
2024-Q4	Decreased	59,316	-79.4%	$9M	0.1%	$152.92	0
2024-Q3	Increased	287,623	+1.2%	$55.8M	0.7%	$193.84	42

BIIBShowing 8 of 30 quarters

BIIB
Showing 8 of 30 quarters