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Baader Bank Aktiengesellschaft’s Biogen BIIB Stock Holding History

Baader Bank Aktiengesellschaft’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
Q2 		$907K Buy
4,200
+100
+2% +$19.1K 0.07% 197
2026
Q1 		$752K Buy
+4,100
New +$755K 0.06% 211
2025
Q4 		– Sell
-8,200
Closed -$1.15M – 460
2025
Q3 		$1.15M Buy
+8,200
New +$1.11M 0.07% 167

Other funds holding BIIB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 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
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
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
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Baader Bank Aktiengesellschaft's BIIB Position: Q2 2026 in Review

Baader Bank Aktiengesellschaft reduced its Biogen (BIIB) stake by 7.2% in Q2 2026, selling an estimated $427K and leaving 28,568 shares worth $6.17M. The position accounts for 0.46% of the portfolio, ranked #52.

Baader Bank Aktiengesellschaft first reported a position in BIIB in Q3 2025 and has held it in 4 quarters since. The position peaked at $7.83M in Q3 2025. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Baader Bank Aktiengesellschaft held 28,568 shares of Biogen worth $6.17M as of Q2 2026.
  • Baader Bank Aktiengesellschaft sold 2,233 Biogen shares in Q2 2026, an estimated $427K.
  • Biogen made up 0.46% of Baader Bank Aktiengesellschaft's portfolio in Q2 2026, its #52 holding.
  • Baader Bank Aktiengesellschaft first reported a position in Biogen in Q3 2025 and has held it in 4 quarters since.
  • Baader Bank Aktiengesellschaft's Biogen position peaked at $7.83M in Q3 2025.
  • 1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Baader Bank Aktiengesellschaft's 13F filing for Q2 2026, filed 23 Jul 2026.