SEB Asset Management’s Biogen BIIB Stock Holding History

SEB Asset Management’s Portfolio BIIB Stock Details BIIB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$10.4M	Buy	47,975 +6,106	+15%	+$1.17M	0.04%	330
2026 Q1	$7.68M	Buy	+41,869	New	+$7.71M	0.03%	367

Other funds holding BIIB

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

SEB Asset Management's BIIB Position: Q2 2026 in Review

SEB Asset Management increased its Biogen (BIIB) stake by 15% in Q2 2026, buying an estimated $1.17M and bringing the position to 47,975 shares worth $10.4M. The position accounts for 0.04% of the portfolio, ranked #330.

SEB Asset Management first reported a position in BIIB in Q1 2026 and has held it in 2 quarters since. 981 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

SEB Asset Management held 47,975 shares of Biogen worth $10.4M as of Q2 2026.
SEB Asset Management bought 6,106 Biogen shares in Q2 2026, an estimated $1.17M.
Biogen made up 0.04% of SEB Asset Management's portfolio in Q2 2026, its #330 holding.
SEB Asset Management first reported a position in Biogen in Q1 2026 and has held it in 2 quarters since.
981 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on SEB Asset Management's 13F filing for Q2 2026, filed 4 Aug 2026.