958 hedge funds and large institutions have $32B invested in Biogen in 2023 Q3 according to their latest regulatory filings, with 91 funds opening new positions, 331 increasing their positions, 343 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

11% less capital invested

Capital invested by funds: $36B → $32B (-$3.99B)

22% less funds holding in top 10

Funds holding in top 10: 1814 (-4)

23% less first-time investments, than exits

New positions opened: 91 | Existing positions closed: 118

Holders
958
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$575M
Puts
$517M
Net Calls
Net Calls Change

Top Buyers

1 +$348M
2 +$132M
3 +$77.1M
4
VanEck Associates
VanEck Associates
New York
+$60.1M
5
Macquarie Group
Macquarie Group
Australia
+$53.4M

Top Sellers

1 -$329M
2 -$191M
3 -$172M
4
Point72 Asset Management
Point72 Asset Management
Connecticut
-$148M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$146M
Name Holding Trade Value Shares
Change
Change in
Stake
226
$6.69M
227
$6.64M
228
$6.64M
229
$6.51M
230
$6.45M
231
$6.38M
232
$6.37M
233
$6.34M
234
$6.29M
235
$6.23M
236
$6.18M
237
$6.17M
238
$6.16M
239
$6.07M
240
$6.02M
241
$5.89M
242
$5.85M
243
$5.67M
244
$5.65M
245
$5.65M
246
$5.59M
247
$5.57M
248
$5.53M
249
$5.47M
250
$5.42M