Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2021
Q4
Sell
-5,000
Closed -$1.41M 3208
2021
Q3
$1.41M Buy
+5,000
New +$1.64M 0.01% 985
2020
Q1
Sell
-1,400
Closed -$415K 794
2019
Q4
$415K Sell
1,400
-5,700
-80% -$1.58M 0.02% 599
2019
Q3
$1.65M Buy
+7,100
New +$1.65M 0.08% 214

Other funds holding BIIB

HRT Financial's BIIB Position: Q1 2026 in Review

HRT Financial sold out of Biogen (BIIB) in Q1 2026, closing a stake of 384,265 shares — an estimated $67.6M sold.

HRT Financial first reported a position in BIIB in Q1 2015 and held it in 20 quarters. The position peaked at $67.6M in Q4 2025. 1,004 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • HRT Financial reported no remaining Biogen position as of Q1 2026 after selling out during the quarter.
  • HRT Financial sold 384,265 Biogen shares in Q1 2026, an estimated $67.6M.
  • HRT Financial first reported a position in Biogen in Q1 2015 and held it in 20 quarters.
  • HRT Financial's Biogen position peaked at $67.6M in Q4 2025.
  • 1,004 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on HRT Financial's 13F filing for Q1 2026, filed 14 May 2026.