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Aljian Capital Management’s Biogen BIIB Stock Holding History

Aljian Capital Management’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 		$535K Sell
2,475
-65
-3% -$12.4K 0.1% 90
2026
Q1 		$466K Buy
2,540
+125
+5% +$23K 0.1% 92
2025
Q4 		$425K Hold
2,415
– – 0.08% 92
2025
Q3 		$338K Sell
2,415
-125
-5% -$16.9K 0.07% 101
2025
Q2 		$319K Hold
2,540
– – 0.07% 104
2025
Q1 		$348K Sell
2,540
-20
-0.8% -$2.86K 0.08% 98
2024
Q4 		$391K Sell
2,560
-134
-5% -$22.6K 0.09% 91
2024
Q3 		$522K Buy
+2,694
New +$564K 0.12% 77

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

Aljian Capital Management's BIIB Position: Q2 2026 in Review

Aljian Capital Management reduced its Biogen (BIIB) stake by 2.6% in Q2 2026, selling an estimated $12.4K and leaving 2,475 shares worth $535K. The position accounts for 0.1% of the portfolio, ranked #90.

Aljian Capital Management first reported a position in BIIB in Q3 2024 and has held it in 8 quarters since. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Aljian Capital Management held 2,475 shares of Biogen worth $535K as of Q2 2026.
  • Aljian Capital Management sold 65 Biogen shares in Q2 2026, an estimated $12.4K.
  • Biogen made up 0.1% of Aljian Capital Management's portfolio in Q2 2026, its #90 holding.
  • Aljian Capital Management first reported a position in Biogen in Q3 2024 and has held it in 8 quarters since.
  • 1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Aljian Capital Management's 13F filing for Q2 2026, filed 7 Aug 2026.