Biogen
BIIB
1,060 hedge funds and large institutions have $31.7B invested in Biogen in 2020 Q4 according to their latest regulatory filings, with 170 funds opening new positions, 290 increasing their positions, 431 reducing their positions, and 148 closing their positions.
21% more call options, than puts
Call options by funds: $1.98B | Put options by funds: $1.64B
15% more first-time investments, than exits
New positions opened: 170 | Existing positions closed: 148
1.02% more ownership
Funds ownership: 83.03% → 84.06% (+1%)
1% more funds holding
Funds holding: 1,051 → 1,060 (+9)
15% less capital invested
Capital invested by funds: $37.2B → $31.7B (-$5.44B)
33% less repeat investments, than reductions
Existing positions increased: 290 | Existing positions reduced: 431
61% less funds holding in top 10
Funds holding in top 10: 18 → 7 (-11)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$239M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$231M |
| 3 |
JP Morgan Chase
New York
|
+$216M |
| 4 |
BG
Bellevue Group
Kuesnacht,
Switzerland
|
+$143M |
| 5 |
DM
Deerfield Management
New York
|
+$116M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
-$309M |
| 2 |
BlackRock
New York
|
-$269M |
| 3 |
Renaissance Technologies
New York
|
-$201M |
| 4 |
State Street
Boston,
Massachusetts
|
-$137M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
-$116M |
BIIB Hedge Fund Activity: Q4 2020 in Review
1,060 of the 5,651 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q4 2020, worth a combined $31.7B — down 15% from $37.2B a quarter earlier.
Buyers outnumbered sellers: 170 funds opened new BIIB positions and 148 closed out — a net gain of 22 holders — while 290 added to existing stakes and 431 trimmed.
The largest buyer was Wellington Management Group, adding an estimated $239M. The largest seller was AQR Capital Management, cutting an estimated $309M.
- 1,060 institutional investors held Biogen (BIIB) as of Q4 2020, up from 1,051 in Q3 2020.
- Funds reported $31.7B of Biogen stock for Q4 2020, down 15% quarter-over-quarter.
- 170 funds opened new Biogen positions in Q4 2020 and 148 closed out, a net change of +22 holders.
- The largest Biogen buyer in Q4 2020 was Wellington Management Group, an estimated $239M added.
- The largest Biogen seller in Q4 2020 was AQR Capital Management, an estimated $309M sold.
Based on aggregated 13F filings for Q4 2020.