1,140 hedge funds and large institutions have $52.2B invested in Biogen in 2018 Q4 according to their latest regulatory filings, with 130 funds opening new positions, 374 increasing their positions, 452 reducing their positions, and 122 closing their positions.

Holders
1,140
Holders Change
-4
Holders Change %
-0.35%
% of All Funds
25.44%
Holding in Top 10
29
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+3.57%
% of All Funds
0.65%
New
130
Increased
374
Reduced
452
Closed
122
Calls
$992M
Puts
$1.34B
Net Calls
-$347M
Net Calls Change
+$428M
Name Holding Trade Value Shares
Change
Shares
Change %
RCAMU
126
Rothschild & Co Asset Management US
Connecticut
$47.7M -$255K -847 -0.5%
GC
127
Guggenheim Capital
Illinois
$47M +$134K +444 +0.3%
Russell Investments Group
128
Russell Investments Group
United Kingdom
$46.5M -$23.8M -79,733 -34%
SEI Investments
129
SEI Investments
Pennsylvania
$46.4M +$1.87M +5,394 +4%
BS
130
Banco Santander
Spain
$45.7M +$21.4M +71,083 +88%
Zurich Cantonal Bank
131
Zurich Cantonal Bank
Switzerland
$45.4M +$4.27M +14,191 +10%
GLA
132
Great Lakes Advisors
Illinois
$44.5M -$474K -1,575 -1%
SRIM
133
Saratoga Research & Investment Management
California
$43.9M -$2.65M -8,821 -6%
Baird Financial Group
134
Baird Financial Group
Wisconsin
$43M +$198K +658 +0.5%
Nomura Asset Management
135
Nomura Asset Management
Japan
$42M -$25.2M -83,747 -37%
Envestnet Asset Management
136
Envestnet Asset Management
Illinois
$42M +$29.2M +96,953 +228%
Fisher Asset Management
137
Fisher Asset Management
Washington
$41.5M +$2.34M +7,771 +6%
Nuveen Asset Management
138
Nuveen Asset Management
Illinois
$41.1M +$18.5M +61,473 +82%
Citadel Advisors
139
Citadel Advisors
Florida
$41M +$24.3M +80,679 +145%
ACI
140
AMP Capital Investors
Australia
$41M -$446K -1,518 -1%
CA
141
Commerzbank Aktiengesellschaft
Germany
$40.7M +$1.68M +5,587 +4%
Aberdeen Group
142
Aberdeen Group
United Kingdom
$40.7M +$3.88M +13,168 +11%
Ohio Public Employees Retirement System (OPERS)
143
Ohio Public Employees Retirement System (OPERS)
Ohio
$40.5M -$226K -752 -0.6%
LCM
144
Laurion Capital Management
New York
$39.6M +$36.6M +121,651 +1,216%
SC
145
Samlyn Capital
New York
$38.7M -$16.7M -55,606 -30%
GIA
146
Gateway Investment Advisers
Ohio
$38.6M +$2.21M +7,351 +6%
Treasurer of the State of North Carolina
147
Treasurer of the State of North Carolina
North Carolina
$38.3M +$415K +1,379 +1%
SM
148
Sabby Management
Florida
$37.9M +$27.2M +90,441 +255%
Toronto Dominion Bank
149
Toronto Dominion Bank
Ontario, Canada
$37.2M -$3.46M -11,514 -9%
SOMRS
150
State of Michigan Retirement System
Michigan
$36.4M +$18.4M +61,100 +102%