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Advanced Portfolio Management’s Biogen BIIB Stock Holding History

Advanced Portfolio 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
2025
Q4 		– Sell
-2,641
Closed -$366K – 50
2025
Q3 		$366K Hold
2,641
– – 0.95% 31
2025
Q2 		$332K Hold
2,641
– – 0.93% 37
2025
Q1 		$361K Buy
+2,641
New +$378K 0.73% 40
2023
Q3 		– Sell
-3,149
Closed -$897K – 72
2023
Q2 		$897K Buy
+3,149
New +$937K 0.82% 33

Other funds holding BIIB

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Advanced Portfolio Management's BIIB Position: Q4 2025 in Review

Advanced Portfolio Management sold out of Biogen (BIIB) in Q4 2025, closing a stake of 2,641 shares — an estimated $366K sold.

Advanced Portfolio Management first reported a position in BIIB in Q2 2023 and held it in 4 quarters. The position peaked at $897K in Q2 2023. 1,001 funds tracked by Wall St. Rank hold BIIB as of Q4 2025.

  • Advanced Portfolio Management reported no remaining Biogen position as of Q4 2025 after selling out during the quarter.
  • Advanced Portfolio Management sold 2,641 Biogen shares in Q4 2025, an estimated $366K.
  • Advanced Portfolio Management first reported a position in Biogen in Q2 2023 and held it in 4 quarters.
  • Advanced Portfolio Management's Biogen position peaked at $897K in Q2 2023.
  • 1,001 funds tracked by Wall St. Rank held Biogen as of Q4 2025.

Based on Advanced Portfolio Management's 13F filing for Q4 2025, filed 17 Feb 2026.