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 %
TL
201
Tirschwell & Loewy
New York
$23.4M +$31.3K +100 +0.1%
AIM
202
Artemis Investment Management
United Kingdom
$23.2M +$18.7M +59,651 +416%
SAM
203
Sentinel Asset Management
Vermont
$22.6M -$658K -2,100 -3%
N
204
Natixis
France
$22.6M -$46.7M -149,194 -67%
IBT
205
International Biotechnology Trust
United Kingdom
$22.4M +$3.25M +10,400 +17%
GIBU
206
Gulf International Bank (UK)
United Kingdom
$21.2M -$31.3K -100 -0.1%
PIM
207
Provident Investment Management
Michigan
$20.8M +$40.1K +128 +0.2%
Natixis Advisors
208
Natixis Advisors
Massachusetts
$20.3M +$1.3M +4,155 +7%
SOMRS
209
State of Michigan Retirement System
Michigan
$20.1M -$1.88M -6,000 -9%
GAM
210
Gotham Asset Management
New York
$19.7M -$31.1M -99,425 -61%
CIM
211
Chiron Investment Management
New York
$18.8M +$9.71M +30,996 +107%
TRSOTSOK
212
Teachers Retirement System of the State of Kentucky
Kentucky
$18.6M +$11.1M +35,300 +147%
Comerica Bank
213
Comerica Bank
Texas
$18.5M -$219K -692 -1%
BG
214
Bellevue Group
Switzerland
$18.4M -$814K -2,600 -4%
TPSF
215
Texas Permanent School Fund
Texas
$18.3M -$447K -1,427 -2%
CAM
216
ClariVest Asset Management
California
$18.2M -$771K -2,462 -4%
TB
217
Terril Brothers
Missouri
$18.1M -$52.6K -168 -0.3%
IG
218
ING Group
Netherlands
$18.1M -$596K -1,904 -3%
Envestnet Asset Management
219
Envestnet Asset Management
Illinois
$18.1M +$1.3M +4,136 +8%
Loomis, Sayles & Company
220
Loomis, Sayles & Company
Massachusetts
$18M -$1.23M -3,934 -6%
OC
221
Oppenheimer & Co
New York
$17.7M +$432K +1,379 +3%
OPERF
222
Oregon Public Employees Retirement Fund
Oregon
$17.7M +$1.2M +3,844 +7%
SDIC
223
South Dakota Investment Council
South Dakota
$17M -$3.38M -10,810 -17%
Public Sector Pension Investment Board (PSP Investments)
224
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$16.8M +$9.17M +29,298 +120%
RSCM
225
Rock Springs Capital Management
Maryland
$16.6M