1,056 hedge funds and large institutions have $36.2B invested in Biogen in 2020 Q2 according to their latest regulatory filings, with 96 funds opening new positions, 337 increasing their positions, 437 reducing their positions, and 130 closing their positions.

New
Increased
Maintained
Reduced
Closed

less ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

26% less first-time investments, than exits

New positions opened: 96 | Existing positions closed: 130

37% less call options, than puts

Call options by funds: $894M | Put options by funds: $1.43B

57% less funds holding in top 10

Funds holding in top 10: 4921 (-28)

Holders
1,056
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
21
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$894M
Puts
$1.43B
Net Calls
Net Calls Change

Top Buyers

1 +$182M
2 +$148M
3 +$142M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$114M
5
AL
AJO LP
Pennsylvania
+$91.1M
Name Holding Trade Value Shares
Change
Change in
Stake
276
$6.23M
277
$6.15M
278
$6.13M
279
$6.13M
280
$6.07M
281
$5.88M
282
$5.68M
283
$5.68M
284
$5.64M
285
$5.58M
286
$5.55M
287
$5.53M
288
$5.44M
289
$5.42M
290
$5.31M
291
$5.27M
292
$5.23M
293
$5.17M
294
$5.16M
295
$5.15M
296
$5.14M
297
$4.99M
298
$4.9M
299
$4.84M
300
$4.83M