1,024 hedge funds and large institutions have $53.8B invested in Biogen in 2016 Q4 according to their latest regulatory filings, with 137 funds opening new positions, 364 increasing their positions, 400 reducing their positions, and 107 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

9% less capital invested

Capital invested by funds: $59.3B → $53.8B (-$5.52B)

13% less call options, than puts

Call options by funds: $1.52B | Put options by funds: $1.74B

28% less funds holding in top 10

Funds holding in top 10: 5741 (-16)

Holders
1,024
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
41
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.52B
Puts
$1.74B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
276
$11M
277
$10.8M
278
$10.7M
279
$10.4M
280
$10.3M
281
$10.3M
282
$10.2M
283
$10.2M
284
$9.93M
285
$9.87M
286
$9.83M
287
$9.36M
288
$9.29M
289
$9.19M
290
$9.1M
291
$9.03M
292
$8.95M
293
$8.93M
294
$8.81M
295
$8.74M
296
$8.66M
297
$8.64M
298
$8.61M
299
$8.59M
300
$8.57M