9C
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9823 Capital’s Biogen BIIB Stock Holding History

9823 Capital’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 		$539K Buy
+2,494
New +$477K 0.36% 22

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

9823 Capital's BIIB Position: Q2 2026 in Review

9823 Capital opened a new position in Biogen (BIIB) in Q2 2026: 2,494 shares worth $539K. The stake represents 0.36% of the portfolio and ranks #22 among its holdings.

1,038 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • 9823 Capital held 2,494 shares of Biogen worth $539K as of Q2 2026.
  • Biogen was a new 9823 Capital position in Q2 2026.
  • Biogen made up 0.36% of 9823 Capital's portfolio in Q2 2026, its #22 holding.
  • 1,038 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on 9823 Capital's 13F filing for Q2 2026, filed 14 Aug 2026.