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Biogen

993 hedge funds and large institutions have $33.5B invested in Biogen in 2023 Q4 according to their latest regulatory filings, with 132 funds opening new positions, 283 increasing their positions, 374 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

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

more funds holding

Funds holding:

more ownership

Funds ownership:

5% more capital invested

Capital invested by funds: $32B → $33.5B (+$1.52B)

24% less repeat investments, than reductions

Existing positions increased: 283 | Existing positions reduced: 374

29% less funds holding in top 10

Funds holding in top 10: 1410 (-4)

Holders
993
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$643M
Puts
$499M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
226
$6.19M
227
$6.03M
228
$5.93M
229
$5.85M
230
$5.79M
231
$5.6M
232
$5.57M
233
$5.55M
234
$5.48M
235
$5.48M
236
$5.39M
237
$5.32M
238
$5.3M
239
$5.26M
240
$5.25M
241
$5.25M
242
$5.23M
243
$5.2M
244
$5.19M
245
$5.18M
246
$5.18M
247
$5.16M
248
$5.07M
249
$5.03M
250
$4.95M