1,013 hedge funds and large institutions have $59B invested in Biogen in 2017 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 380 increasing their positions, 355 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,013
Holders Change
+22
Holders Change %
+2.22%
% of All Funds
25.29%
Holding in Top 10
38
Holding in Top 10 Change
+15
Holding in Top 10 Change %
+65.22%
% of All Funds
0.95%
New
99
Increased
380
Reduced
355
Closed
68
Calls
$974M
Puts
$1.24B
Net Calls
-$269M
Net Calls Change
-$87M
Name Holding Trade Value Shares
Change
Shares
Change %
AAM
401
Advisors Asset Management
Colorado
$4.18M +$1.62M +5,160 +63%
SFA
402
Sequoia Financial Advisors
Ohio
$4.16M +$231K +738 +6%
LSERS
403
Louisiana State Employees Retirement System
Louisiana
$4.13M -$31.3K -100 -0.8%
KRS
404
Kentucky Retirement Systems
Kentucky
$4.11M -$181K -578 -4%
BAMCO Inc
405
BAMCO Inc
New York
$4.06M +$5.01K +16 +0.1%
AT
406
Arden Trust
Delaware
$3.92M -$55.7K -178 -1%
PP
407
Paloma Partners
Connecticut
$3.88M +$3.3M +10,540 +566%
CPIM
408
Columbia Partners Investment Management
Virginia
$3.87M -$2.05M -6,540 -35%
Nomura Holdings
409
Nomura Holdings
Japan
$3.87M -$1.64M -5,230 -30%
Connor, Clark & Lunn Investment Management (CC&L)
410
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$3.8M +$141K +450 +4%
IHL
411
Investment House LLC
California
$3.66M
MAM
412
Martingale Asset Management
Massachusetts
$3.65M
AG
413
Advisor Group
Arizona
$3.63M +$349K +1,116 +11%
GCA
414
Greenwood Capital Associates
South Carolina
$3.62M +$3.62M +11,575 New
CCP
415
Cardan Capital Partners
Colorado
$3.6M +$13.5K +43 +0.4%
AMI
416
Amica Mutual Insurance
Rhode Island
$3.55M
CBB
417
Citizens Business Bank
California
$3.54M -$91.1K -291 -3%
VF
418
Virtu Financial
New York
$3.52M +$3.52M +11,232 New
GIM
419
Guardian Investment Management
California
$3.5M
CM
420
Crestline Management
Texas
$3.49M +$502K +1,602 +17%
MPWT
421
MassMutual Private Wealth & Trust
Connecticut
$3.49M +$60.1K +192 +2%
B
422
Barings
North Carolina
$3.34M +$313K +1,000 +10%
CSS
423
Cubist Systematic Strategies
Connecticut
$3.33M +$2.01M +6,409 +151%
SAM
424
Symphony Asset Management
California
$3.3M -$158K -504 -5%
WJA
425
Williams Jones & Associates
New York
$3.29M +$1.39M +4,431 +73%