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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
Q1 		$5.64M Sell
30,801
-1,690
-5% -$311K 0.44% 53
2025
Q4 		$5.71M Sell
32,491
-23,483
-42% -$3.84M 0.39% 55
2025
Q3 		$7.83M Buy
+55,974
New +$7.57M 0.51% 41

Other funds holding BIIB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
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
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Baader Bank Aktiengesellschaft's BIIB Position: Q1 2026 in Review

Baader Bank Aktiengesellschaft reduced its Biogen (BIIB) stake by 5.2% in Q1 2026, selling an estimated $311K and leaving 30,801 shares worth $5.64M. The position accounts for 0.44% of the portfolio, ranked #53.

Baader Bank Aktiengesellschaft first reported a position in BIIB in Q3 2025 and has held it in 3 quarters since. The position peaked at $7.83M in Q3 2025. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Baader Bank Aktiengesellschaft held 30,801 shares of Biogen worth $5.64M as of Q1 2026.
  • Baader Bank Aktiengesellschaft sold 1,690 Biogen shares in Q1 2026, an estimated $311K.
  • Biogen made up 0.44% of Baader Bank Aktiengesellschaft's portfolio in Q1 2026, its #53 holding.
  • Baader Bank Aktiengesellschaft first reported a position in Biogen in Q3 2025 and has held it in 3 quarters since.
  • Baader Bank Aktiengesellschaft's Biogen position peaked at $7.83M in Q3 2025.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Baader Bank Aktiengesellschaft's 13F filing for Q1 2026, filed 8 May 2026.