J. Safra Asset Management’s Biogen BIIB Stock Holding History

J. Safra 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 Q1	$15K	Buy	82 +55	+204%	+$10.1K	﹤0.01%	336
2025 Q4	$4.75K	Buy	27 +12	+80%	+$1.96K	﹤0.01%	434
2025 Q3	$2.1K	Buy	+15	New	+$2.03K	﹤0.01%	397
2016 Q3	–	Sell	-79	Closed	-$19K	–	163
2016 Q2	$19K	Buy	+79	New	+$20.8K	0.03%	212

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

J. Safra Asset Management's BIIB Position: Q1 2026 in Review

J. Safra Asset Management increased its Biogen (BIIB) stake by 204% in Q1 2026, buying an estimated $10.1K and bringing the position to 82 shares worth $15K. The position accounts for ﹤0.01% of the portfolio, ranked #336.

J. Safra Asset Management first reported a position in BIIB in Q2 2016 and has held it in 4 quarters since. The position peaked at $19K in Q2 2016. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

J. Safra Asset Management held 82 shares of Biogen worth $15K as of Q1 2026.
J. Safra Asset Management bought 55 Biogen shares in Q1 2026, an estimated $10.1K.
Biogen made up ﹤0.01% of J. Safra Asset Management's portfolio in Q1 2026, its #336 holding.
J. Safra Asset Management first reported a position in Biogen in Q2 2016 and has held it in 4 quarters since.
J. Safra Asset Management's Biogen position peaked at $19K in Q2 2016.
1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on J. Safra Asset Management's 13F filing for Q1 2026, filed 4 May 2026.