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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 		$21.6K Hold
100
– – 0.01% 54
2026
Q1 		$18.3K Hold
100
– – 0.01% 48
2025
Q4 		$17.6K Buy
+100
New +$16.3K 0.01% 46
2024
Q1 		– Sell
-100
Closed -$25.9K – 45
2023
Q4 		$25.9K Buy
+100
New +$24.6K 0.02% 45

Other funds holding BIIB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
AIM
Artemis Investment Management Edinburgh, United Kingdom $11.2B AUM 80.72% 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. 569 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.
  • 569 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.