MIRAE ASSET SECURITIES (USA) INC.’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
Sell
-23,000
Closed -$2.89M 177
2025
Q2
$2.89M Buy
23,000
+1,600
+7% +$199K 0.09% 144
2025
Q1
$2.93M Sell
21,400
-18,600
-47% -$2.66M 0.08% 138
2024
Q4
$6.12M Buy
+40,000
New +$6.75M 0.18% 91

Other funds holding BIIB

MIRAE ASSET SECURITIES (USA) INC.'s BIIB Position: Q3 2025 in Review

MIRAE ASSET SECURITIES (USA) INC. sold out of Biogen (BIIB) in Q3 2025, closing a stake of 23,059 shares — an estimated $2.9M sold.

MIRAE ASSET SECURITIES (USA) INC. first reported a position in BIIB in Q4 2024 and held it in 3 quarters. The position peaked at $6.13M in Q4 2024. 906 funds tracked by Wall St. Rank hold BIIB as of Q3 2025.

  • MIRAE ASSET SECURITIES (USA) INC. reported no remaining Biogen position as of Q3 2025 after selling out during the quarter.
  • MIRAE ASSET SECURITIES (USA) INC. sold 23,059 Biogen shares in Q3 2025, an estimated $2.9M.
  • MIRAE ASSET SECURITIES (USA) INC. first reported a position in Biogen in Q4 2024 and held it in 3 quarters.
  • MIRAE ASSET SECURITIES (USA) INC.'s Biogen position peaked at $6.13M in Q4 2024.
  • 906 funds tracked by Wall St. Rank held Biogen as of Q3 2025.

Based on MIRAE ASSET SECURITIES (USA) INC.'s 13F filing for Q3 2025, filed 24 Oct 2025.