Petros Family Wealth’s Biogen BIIB Stock Holding History

Petros Family 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
2025 Q4	–	Sell	-200	Closed	-$28K	–	144
2025 Q3	$28K	Buy	+200	New	+$27K	0.02%	135

Other funds holding BIIB

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 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

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return

Norges Bank Oslo, Norway $935B AUM

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

Petros Family Wealth's BIIB Position: Q4 2025 in Review

Petros Family Wealth sold out of Biogen (BIIB) in Q4 2025, closing a stake of 2,109 shares — an estimated $295K sold.

Petros Family Wealth first reported a position in BIIB in Q3 2025 and held it in 1 quarter. The position peaked at $295K in Q3 2025. 999 funds tracked by Wall St. Rank hold BIIB as of Q4 2025.

Petros Family Wealth reported no remaining Biogen position as of Q4 2025 after selling out during the quarter.
Petros Family Wealth sold 2,109 Biogen shares in Q4 2025, an estimated $295K.
Petros Family Wealth first reported a position in Biogen in Q3 2025 and held it in 1 quarter.
Petros Family Wealth's Biogen position peaked at $295K in Q3 2025.
999 funds tracked by Wall St. Rank held Biogen as of Q4 2025.

Based on Petros Family Wealth's 13F filing for Q4 2025, filed 14 Jan 2026.