OneFund LLC’s Biogen BIIB Stock Holding History

OneFund LLC’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	$74.1K	Sell	403 -8	-2%	-$1.47K	0.05%	316
2025 Q4	$72.3K	Buy	411 +27	+7%	+$4.41K	0.04%	316
2025 Q3	$53.8K	Buy	384 +11	+3%	+$1.49K	0.03%	370
2025 Q2	$47K	Buy	+373	New	+$46.5K	0.03%	380

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

OneFund LLC's BIIB Position: Q1 2026 in Review

OneFund LLC reduced its Biogen (BIIB) stake by 1.9% in Q1 2026, selling an estimated $1.47K and leaving 403 shares worth $74.1K. The position accounts for 0.05% of the portfolio, ranked #316.

OneFund LLC first reported a position in BIIB in Q2 2025 and has held it in 4 quarters since. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

OneFund LLC held 403 shares of Biogen worth $74.1K as of Q1 2026.
OneFund LLC sold 8 Biogen shares in Q1 2026, an estimated $1.47K.
Biogen made up 0.05% of OneFund LLC's portfolio in Q1 2026, its #316 holding.
OneFund LLC first reported a position in Biogen in Q2 2025 and has held it in 4 quarters since.
1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on OneFund LLC's 13F filing for Q1 2026, filed 8 May 2026.