1,083 hedge funds and large institutions have $40.6B invested in Biogen in 2019 Q1 according to their latest regulatory filings, with 118 funds opening new positions, 389 increasing their positions, 437 reducing their positions, and 164 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,083
Holders Change
-57
Holders Change %
-5%
% of All Funds
23.48%
Holding in Top 10
22
Holding in Top 10 Change
-7
Holding in Top 10 Change %
-24.14%
% of All Funds
0.48%
New
118
Increased
389
Reduced
437
Closed
164
Calls
$1.15B
Puts
$1.28B
Net Calls
-$132M
Net Calls Change
+$215M
Name Holding Trade Value Shares
Change
Shares
Change %
ISL
401
Ingalls & Snyder LLC
New York
$2.85M +$1.09M +4,608 +62%
LD
402
Lipe & Dalton
New York
$2.84M -$978K -4,135 -26%
CRB
403
Chad R. Baker
$2.84M +$2M +8,445 +238%
Marshall Wace
404
Marshall Wace
United Kingdom
$2.81M +$115K +485 +4%
AT
405
Arden Trust
Delaware
$2.78M -$226K -957 -8%
Mariner
406
Mariner
Kansas
$2.77M +$81.3K +344 +3%
CI
407
Cigna Investments
Connecticut
$2.75M +$767K +3,247 +39%
FAT
408
First American Trust
California
$2.73M +$55.8K +236 +2%
COPPSERS
409
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.72M +$120K +508 +5%
AG
410
Advisor Group
Arizona
$2.72M -$336K -1,423 -11%
DCM
411
Dupont Capital Management
Delaware
$2.7M -$715K -3,026 -21%
CCP
412
Cardan Capital Partners
Colorado
$2.67M -$13.7K -58 -0.5%
MAM
413
Martingale Asset Management
Massachusetts
$2.66M
OC
414
Oppenheimer & Co
New York
$2.66M +$88.4K +374 +3%
CIBC World Market
415
CIBC World Market
Ontario, Canada
$2.66M -$60K -254 -2%
RBA
416
Richard Bernstein Advisors
New York
$2.63M
MML Investors Services
417
MML Investors Services
Massachusetts
$2.62M +$805K +3,407 +44%
GIM
418
Guardian Investment Management
California
$2.62M -$23.6K -100 -0.9%
Northwestern Mutual Wealth Management
419
Northwestern Mutual Wealth Management
Wisconsin
$2.58M -$4.83M -20,428 -65%
AIL
420
AGF Investments LLC
Ontario, Canada
$2.57M +$520K +2,200 +25%
KFP
421
KMG Fiduciary Partners
Ohio
$2.55M -$367K -1,553 -13%
FAAS
422
First Allied Advisory Services
California
$2.5M +$27.9K +119 +1%
LSERS
423
Louisiana State Employees Retirement System
Louisiana
$2.46M -$47.3K -200 -2%
ARMC
424
American Research & Management Company
Massachusetts
$2.46M
O
425
Ossiam
France
$2.44M +$326K +1,378 +15%