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Mubadala Investment Company’s Biogen BIIB Stock Holding History

Mubadala Investment Company’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 		$5.2M Buy
+24,083
New +$4.61M 0.02% 36
2026
Q1 		– Sell
-26,236
Closed -$4.62M – 77
2025
Q4 		$4.62M Buy
+26,236
New +$4.29M 0.03% 29

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 $3.38T AUM 44.17% 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

Mubadala Investment Company's BIIB Position: Q2 2026 in Review

Mubadala Investment Company opened a new position in Biogen (BIIB) in Q2 2026: 24,083 shares worth $5.2M. The stake represents 0.02% of the portfolio and ranks #36 among its holdings. This is a return to the name: Mubadala Investment Company previously reported a position in BIIB as recently as Q4 2025.

Mubadala Investment Company first reported a position in BIIB in Q4 2025 and has held it in 2 quarters since. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Mubadala Investment Company held 24,083 shares of Biogen worth $5.2M as of Q2 2026.
  • Biogen was a new Mubadala Investment Company position in Q2 2026.
  • Biogen made up 0.02% of Mubadala Investment Company's portfolio in Q2 2026, its #36 holding.
  • Mubadala Investment Company first reported a position in Biogen in Q4 2025 and has held it in 2 quarters since.
  • 1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Mubadala Investment Company's 13F filing for Q2 2026, filed 14 Aug 2026.