964 hedge funds and large institutions have $46.5B invested in Biogen in 2016 Q2 according to their latest regulatory filings, with 107 funds opening new positions, 368 increasing their positions, 347 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
964
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.08B
Puts
$1.33B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
276
$9.76M
277
$9.7M
278
$9.67M
279
$9.67M
280
$9.65M
281
$9.55M
282
$9.49M
283
$9.37M
284
$9.33M
285
$9.11M
286
$9.06M
287
$9.06M
288
$9.02M
289
$8.9M
290
$8.46M
291
$8.34M
292
$8.29M
293
$8.08M
294
$8.05M
295
$7.93M
296
$7.85M
297
$7.81M
298
$7.81M
299
$7.79M
300
$7.79M