AmeriFlex Group’s Biogen BIIB Stock Holding History

AmeriFlex Group’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	$3.3K	Hold	18	–	–	﹤0.01%	897
2025 Q4	$3.17K	Sell	18 -18	-50%	-$2.94K	﹤0.01%	931
2025 Q3	$5.04K	Buy	36 +18	+100%	+$2.43K	﹤0.01%	913
2025 Q2	$2.29K	Hold	18	–	–	﹤0.01%	942
2025 Q1	$2.46K	Hold	18	–	–	﹤0.01%	1111
2024 Q4	$2.59K	Buy	+18	New	+$3.04K	﹤0.01%	1014

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

AmeriFlex Group's BIIB Position: Q1 2026 in Review

AmeriFlex Group held its Biogen (BIIB) position steady in Q1 2026 at 18 shares worth $3.3K. The position accounts for ﹤0.01% of the portfolio, ranked #897.

AmeriFlex Group first reported a position in BIIB in Q4 2024 and has held it in 6 quarters since. The position peaked at $5.04K in Q3 2025. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

AmeriFlex Group held 18 shares of Biogen worth $3.3K as of Q1 2026.
AmeriFlex Group left its Biogen share count unchanged in Q1 2026.
Biogen made up ﹤0.01% of AmeriFlex Group's portfolio in Q1 2026, its #897 holding.
AmeriFlex Group first reported a position in Biogen in Q4 2024 and has held it in 6 quarters since.
AmeriFlex Group's Biogen position peaked at $5.04K in Q3 2025.
1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on AmeriFlex Group's 13F filing for Q1 2026, filed 15 May 2026.