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Bank of Ann Arbor’s Biogen BIIB Stock Holding History

Bank of Ann Arbor’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
Q3 		$2.07M Buy
+9,161
New +$1.94M 0.29% 77

Other funds holding BIIB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $161B AUM 86.05% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return

Bank of Ann Arbor's BIIB Position: Q3 2026 in Review

Bank of Ann Arbor opened a new position in Biogen (BIIB) in Q3 2026: 9,161 shares worth $2.07M. The stake represents 0.29% of the portfolio and ranks #77 among its holdings.

881 funds tracked by Wall St. Rank hold BIIB as of Q3 2026.

  • Bank of Ann Arbor held 9,161 shares of Biogen worth $2.07M as of Q3 2026.
  • Biogen was a new Bank of Ann Arbor position in Q3 2026.
  • Biogen made up 0.29% of Bank of Ann Arbor's portfolio in Q3 2026, its #77 holding.
  • 881 funds tracked by Wall St. Rank held Biogen as of Q3 2026.

Based on Bank of Ann Arbor's 13F filing for Q3 2026, filed 13 Nov 2026.