Resona Asset Management’s Biogen BIIB Stock Holding History

Resona 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	$9.45M	Sell	43,699 -2,562	-6%	-$490K	0.04%	336
2026 Q1	$8.52M	Buy	46,261 +1,075	+2%	+$198K	0.04%	361
2025 Q4	$7.96M	Sell	45,186 -2,074	-4%	-$339K	0.04%	385
2025 Q3	$6.61M	Sell	47,260 -2,367	-5%	-$320K	0.03%	436
2025 Q2	$6.24M	Buy	49,627 +2,915	+6%	+$363K	0.03%	459
2025 Q1	$6.4M	Buy	46,712 +2,104	+5%	+$301K	0.04%	399
2024 Q4	$6.81M	Sell	44,608 -1,494	-3%	-$252K	0.04%	381
2024 Q3	$8.94M	Sell	46,102 -211	-0.5%	-$44.1K	0.05%	322
2024 Q2	$10.7M	Sell	46,313 -3,272	-7%	-$711K	0.06%	276
2024 Q1	$10.7M	Buy	+49,585	New	+$11.6M	0.06%	295

Other funds holding BIIB

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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 $3.38T AUM 44.17% 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

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

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

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

Resona Asset Management reduced its Biogen (BIIB) stake by 5.5% in Q2 2026, selling an estimated $490K and leaving 43,699 shares worth $9.45M. The position accounts for 0.04% of the portfolio, ranked #336.

Resona Asset Management first reported a position in BIIB in Q1 2024 and has held it in 10 quarters since. The position peaked at $10.7M in Q2 2024. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Resona Asset Management held 43,699 shares of Biogen worth $9.45M as of Q2 2026.
Resona Asset Management sold 2,562 Biogen shares in Q2 2026, an estimated $490K.
Biogen made up 0.04% of Resona Asset Management's portfolio in Q2 2026, its #336 holding.
Resona Asset Management first reported a position in Biogen in Q1 2024 and has held it in 10 quarters since.
Resona Asset Management's Biogen position peaked at $10.7M in Q2 2024.
1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Resona Asset Management's 13F filing for Q2 2026, filed 29 Jul 2026.