946 hedge funds and large institutions have $49.3B invested in Biogen in 2016 Q1 according to their latest regulatory filings, with 95 funds opening new positions, 363 increasing their positions, 350 reducing their positions, and 103 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
946
Holders Change
-22
Holders Change %
-2.27%
% of All Funds
25.25%
Holding in Top 10
32
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-13.51%
% of All Funds
0.85%
New
95
Increased
363
Reduced
350
Closed
103
Calls
$1.05B
Puts
$1.13B
Net Calls
-$73.9M
Net Calls Change
+$323M
Name Holding Trade Value Shares
Change
Shares
Change %
PAG
601
Private Advisor Group
New Jersey
$802K +$119K +569 +17%
SCA
602
Secor Capital Advisors
New York
$801K +$801K +3,077 New
LMAM
603
Legg Mason Asset Management
Japan
$781K
BTW
604
Boston Trust Walden
Massachusetts
$776K -$58.6K -225 -7%
Acadian Asset Management
605
Acadian Asset Management
Massachusetts
$773K -$700K -2,690 -48%
BVDMP
606
Bedrijfstakpensioenfonds Voor De Media PNO
Netherlands
$773K -$255K -980 -25%
BAM
607
Berkshire Asset Management
Pennsylvania
$772K +$17.7K +68 +2%
WPW
608
Waldron Private Wealth
Pennsylvania
$770K +$97.8K +376 +15%
HBT
609
Hills Bank & Trust
Iowa
$768K +$336K +1,290 +78%
PGFC
610
Peapack-Gladstone Financial Corp
New Jersey
$763K -$16.4K -63 -2%
BRWA
611
B. Riley Wealth Advisors
Florida
$763K -$50K -192 -6%
TCM
612
Traynor Capital Management
Pennsylvania
$760K -$69.5K -267 -8%
LNWWM
613
Laird Norton Wetherby Wealth Management
California
$752K -$48.7K -187 -6%
DWA
614
Douglass Winthrop Advisors
New York
$742K
QSS
615
Quantitative Systematic Strategies
Florida
$736K -$619K -2,433 -46%
DT
616
Diversified Trust
Tennessee
$733K -$19K -73 -3%
OPCM
617
Osborne Partners Capital Management
California
$727K -$5.21K -20 -0.7%
GLA
618
Great Lakes Advisors
Illinois
$725K +$59.6K +229 +9%
CAM
619
Cypress Asset Management
Texas
$716K +$32.5K +125 +5%
CTC
620
Central Trust Company
Missouri
$713K +$150K +576 +27%
AIM
621
Assured Investment Management
New York
$712K +$712K +2,737 New
BHWM
622
Bar Harbor Wealth Management
New Hampshire
$710K +$13K +50 +2%
W
623
Wealthfront
California
$704K -$56K -215 -7%
ACM
624
Apex Capital Management
Ohio
$702K -$29.9K -115 -4%
BCMO
625
Buckingham Capital Management (Ohio)
Ohio
$702K +$54.4K +209 +8%