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Lighthouse Investment Partners’s Biogen BIIB Stock Holding History

Lighthouse Investment Partners’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 		$1.62M Sell
7,500
-25,132
-77% -$4.81M 0.04% 399
2026
Q1 		$5.98M Buy
32,632
+26,844
+464% +$4.95M 0.21% 163
2025
Q4 		$1.02M Sell
5,788
-22,212
-79% -$3.63M 0.03% 476
2025
Q3 		$3.92M Buy
+28,000
New +$3.78M 0.12% 230
2024
Q3 		– Sell
-23,713
Closed -$5.5M – 439
2024
Q2 		$5.5M Buy
+23,713
New +$5.15M 0.22% 120
2024
Q1 		– Sell
-1,053
Closed -$272K – 381
2023
Q4 		$272K Buy
+1,053
New +$259K 0.01% 270

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

Lighthouse Investment Partners's BIIB Position: Q2 2026 in Review

Lighthouse Investment Partners reduced its Biogen (BIIB) stake by 77% in Q2 2026, selling an estimated $4.81M and leaving 7,500 shares worth $1.62M. The position accounts for 0.04% of the portfolio, ranked #399.

Lighthouse Investment Partners first reported a position in BIIB in Q4 2023 and has held it in 6 quarters since. The position peaked at $5.98M in Q1 2026. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Lighthouse Investment Partners held 7,500 shares of Biogen worth $1.62M as of Q2 2026.
  • Lighthouse Investment Partners sold 25,132 Biogen shares in Q2 2026, an estimated $4.81M.
  • Biogen made up 0.04% of Lighthouse Investment Partners's portfolio in Q2 2026, its #399 holding.
  • Lighthouse Investment Partners first reported a position in Biogen in Q4 2023 and has held it in 6 quarters since.
  • Lighthouse Investment Partners's Biogen position peaked at $5.98M in Q1 2026.
  • 1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

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