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Thor Investment Management’s Biogen BIIB Stock Holding History

Thor Investment 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 		$2.16M Buy
10,002
+81
+0.8% +$15.5K 1.23% 23
2026
Q1 		$1.82M Buy
9,921
+1,607
+19% +$296K 0.97% 23
2025
Q4 		$1.46M Buy
8,314
+76
+0.9% +$12.4K 0.84% 26
2025
Q3 		$1.15M Buy
8,238
+999
+14% +$135K 0.69% 30
2025
Q2 		$909K Sell
7,239
-3,732
-34% -$465K 0.62% 33
2025
Q1 		$1.5M Buy
10,971
+2,001
+22% +$286K 1.1% 26
2024
Q4 		$1.37M Buy
8,970
+260
+3% +$43.9K 1.06% 25
2024
Q3 		$1.69M Buy
8,710
+673
+8% +$141K 1.23% 22
2024
Q2 		$1.86M Buy
8,037
+597
+8% +$130K 1.46% 21
2024
Q1 		$1.6M Buy
7,440
+427
+6% +$100K 1.27% 21
2023
Q4 		$1.81M Buy
+7,013
New +$1.72M 1.58% 19

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

Thor Investment Management's BIIB Position: Q2 2026 in Review

Thor Investment Management increased its Biogen (BIIB) stake by 0.82% in Q2 2026, buying an estimated $15.5K and bringing the position to 10,002 shares worth $2.16M. The position accounts for 1.23% of the portfolio, ranked #23.

Thor Investment Management first reported a position in BIIB in Q4 2023 and has held it in 11 quarters since. 1,038 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Thor Investment Management held 10,002 shares of Biogen worth $2.16M as of Q2 2026.
  • Thor Investment Management bought 81 Biogen shares in Q2 2026, an estimated $15.5K.
  • Biogen made up 1.23% of Thor Investment Management's portfolio in Q2 2026, its #23 holding.
  • Thor Investment Management first reported a position in Biogen in Q4 2023 and has held it in 11 quarters since.
  • 1,038 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Thor Investment Management's 13F filing for Q2 2026, filed 23 Jul 2026.