984 hedge funds and large institutions have $32.8B invested in Biogen in 2022 Q3 according to their latest regulatory filings, with 150 funds opening new positions, 276 increasing their positions, 370 reducing their positions, and 79 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 capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

2.14% more ownership

Funds ownership: 83.11%85.25% (+2.1%)

8% more call options, than puts

Call options by funds: $2.02B | Put options by funds: $1.87B

25% less repeat investments, than reductions

Existing positions increased: 276 | Existing positions reduced: 370

Holders
984
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.02B
Puts
$1.87B
Net Calls
Net Calls Change

Top Buyers

1 +$260M
2 +$142M
3 +$107M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$95.6M
5
Millennium Management
Millennium Management
New York
+$70.3M

Top Sellers

1 -$244M
2 -$131M
3 -$84.5M
4
Renaissance Technologies
Renaissance Technologies
New York
-$83.1M
5
HM
HealthCor Management
New York
-$73M
Name Holding Trade Value Shares
Change
Change in
Stake
276
$5.03M
277
$4.96M
278
$4.94M
279
$4.89M
280
$4.81M
281
$4.81M
282
$4.8M
283
$4.68M
284
$4.6M
285
$4.59M
286
$4.57M
287
$4.53M
288
$4.5M
289
$4.42M
290
$4.4M
291
$4.27M
292
$4.25M
293
$4.23M
294
$4.18M
295
$4.03M
296
$4.03M
297
$3.98M
298
$3.93M
299
$3.87M
300
$3.85M