1,029 hedge funds and large institutions have $34.2B invested in Biogen in 2022 Q4 according to their latest regulatory filings, with 159 funds opening new positions, 323 increasing their positions, 362 reducing their positions, and 96 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

more ownership

Funds ownership:

4% more capital invested

Capital invested by funds: $32.8B → $34.2B (+$1.39B)

11% less repeat investments, than reductions

Existing positions increased: 323 | Existing positions reduced: 362

14% less call options, than puts

Call options by funds: $1.29B | Put options by funds: $1.51B

Holders
1,029
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
25
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.29B
Puts
$1.51B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
251
$7.08M
252
$7.05M
253
$6.99M
254
$6.94M
255
$6.93M
256
$6.87M
257
$6.81M
258
$6.74M
259
$6.66M
260
$6.53M
261
$6.44M
262
$6.43M
263
$6.42M
264
$6.42M
265
$6.41M
266
$6.39M
267
$6.19M
268
$6.12M
269
$6.09M
270
$5.94M
271
$5.94M
272
$5.92M
273
$5.92M
274
$5.77M
275
$5.71M