Alpha Family Trust’s Biogen BIIB Stock Holding History

Alpha Family Trust’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 Q1	$282K	Hold	1,540	–	–	0.14%	143
2025 Q4	$271K	Hold	1,540	–	–	0.12%	145
2025 Q3	$216K	Buy	+1,540	New	+$208K	0.1%	183
2024 Q3	–	Sell	-1,050	Closed	-$243K	–	157
2024 Q2	$243K	Buy	+1,050	New	+$228K	0.14%	122
2023 Q1	–	Sell	-810	Closed	-$224K	–	123
2022 Q4	$224K	Buy	+810	New	+$229K	0.2%	103

Other funds holding BIIB

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Alpha Family Trust's BIIB Position: Q1 2026 in Review

Alpha Family Trust held its Biogen (BIIB) position steady in Q1 2026 at 1,540 shares worth $282K. The position accounts for 0.14% of the portfolio, ranked #143.

Alpha Family Trust first reported a position in BIIB in Q4 2022 and has held it in 5 quarters since. 1,004 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

Alpha Family Trust held 1,540 shares of Biogen worth $282K as of Q1 2026.
Alpha Family Trust left its Biogen share count unchanged in Q1 2026.
Biogen made up 0.14% of Alpha Family Trust's portfolio in Q1 2026, its #143 holding.
Alpha Family Trust first reported a position in Biogen in Q4 2022 and has held it in 5 quarters since.
1,004 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Alpha Family Trust's 13F filing for Q1 2026, filed 13 May 2026.