991 hedge funds and large institutions have $33.5B invested in Biogen in 2023 Q4 according to their latest regulatory filings, with 132 funds opening new positions, 283 increasing their positions, 373 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
991
Holders Change
+35
Holders Change %
+3.66%
% of All Funds
14.53%
Holding in Top 10
10
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-28.57%
% of All Funds
0.15%
New
132
Increased
283
Reduced
373
Closed
81
Calls
$643M
Puts
$499M
Net Calls
+$144M
Net Calls Change
+$86.4M
Name Holding Trade Value Shares
Change
Shares
Change %
Envestnet Portfolio Solutions
451
Envestnet Portfolio Solutions
Illinois
$833K -$5.37M -20,761 -87%
AIM
452
Alhambra Investment Management
Florida
$833K -$187K -724 -18%
AGP
453
Autumn Glory Partners
Texas
$823K +$16.3K +63 +2%
SC
454
Syon Capital
California
$815K +$383K +1,482 +89%
KFC
455
Klingenstein Fields & Co
New York
$813K
XT
456
XTX Topco
Cayman Islands
$813K +$264K +1,021 +48%
TPCW
457
TD Private Client Wealth
New York
$811K -$76.1K -294 -9%
Fifth Third Bancorp
458
Fifth Third Bancorp
Ohio
$807K -$33.9K -131 -4%
HKAM
459
Horizon Kinetics Asset Management
New York
$807K -$33.9K -131 -4%
AIM
460
Aigen Investment Management
New York
$804K +$804K +3,108 New
Impax Asset Management Group
461
Impax Asset Management Group
United Kingdom
$799K -$1.04K -4 -0.1%
PWG
462
Portside Wealth Group
Utah
$792K -$135K -522 -15%
NB
463
Nicolet Bankshares
Wisconsin
$792K +$80.5K +311 +11%
FFM
464
Forum Financial Management
Illinois
$787K
RWP
465
RWA Wealth Partners
Massachusetts
$782K +$782K +3,022 New
Bessemer Group
466
Bessemer Group
New Jersey
$779K -$532K -2,055 -41%
AIM
467
Aquila Investment Management
New York
$776K
TRIA
468
Trail Ridge Investment Advisors
Colorado
$776K -$70.1K -271 -8%
TCOT
469
Trust Company of Toledo
Ohio
$770K +$60.8K +235 +9%
UBG
470
United Bank (Georgia)
Georgia
$765K -$23.8K -92 -3%
CIM
471
CIM Investment Management
Pennsylvania
$762K -$33.6K -130 -4%
TMAM
472
Tokio Marine Asset Management
Japan
$762K
Nomura Holdings
473
Nomura Holdings
Japan
$757K +$757K +2,924 New
KIA
474
KCM Investment Advisors
California
$752K -$3.62K -14 -0.5%
AC
475
AXQ Capital
New Jersey
$750K -$233K -900 -24%