Curio Wealth’s Biogen BIIB Stock Holding History

Curio Wealth’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	–	Sell	-4	Closed	-$733	–	201
2026 Q1	$733	Buy	4 +2	+100%	+$369	﹤0.01%	432
2025 Q4	$353	Buy	+2	New	+$327	﹤0.01%	408
2025 Q3	–	Sell	-2	Closed	-$251	–	288
2025 Q2	$251	Buy	2 +1	+100%	+$125	﹤0.01%	327
2025 Q1	$306	Buy	+1	New	+$143	﹤0.01%	358

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

Curio Wealth's BIIB Position: Q2 2026 in Review

Curio Wealth sold out of Biogen (BIIB) in Q2 2026, closing a stake of 4 shares — an estimated $733 sold.

Curio Wealth first reported a position in BIIB in Q1 2025 and held it in 4 quarters. The position peaked at $733 in Q1 2026. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Curio Wealth reported no remaining Biogen position as of Q2 2026 after selling out during the quarter.
Curio Wealth sold 4 Biogen shares in Q2 2026, an estimated $733.
Curio Wealth first reported a position in Biogen in Q1 2025 and held it in 4 quarters.
Curio Wealth's Biogen position peaked at $733 in Q1 2026.
1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Curio Wealth's 13F filing for Q2 2026, filed 7 Aug 2026.