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Biogen
BIIB

Overview Fund Activity

1,009 hedge funds and large institutions have $37.6B invested in Biogen in 2019 Q2 according to their latest regulatory filings, with 84 funds opening new positions, 316 increasing their positions, 451 reducing their positions, and 142 closing their positions.

Holders
1,009
Holders Change
-74
Holders Change %
-6.83%
% of All Funds
21.95%
Holding in Top 10
16
Holding in Top 10 Change
-6
Holding in Top 10 Change %
-27.27%
% of All Funds
0.35%
New
84
Increased
316
Reduced
451
Closed
142
Calls
$883M
Puts
$1.2B
Net Calls
-$319M
Net Calls Change
-$187M

Top Buyers

1
D.E. Shaw & Co
1
D.E. Shaw & Co
New York
$602M
2
Nuveen Asset Management
2
Nuveen Asset Management
Illinois
$308M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$581M
4
Arrowstreet Capital
4
Arrowstreet Capital
Massachusetts
$583M
5
Boston Partners
5
Boston Partners
Massachusetts
$367M

Top Sellers

1
ClearBridge Investments
1
ClearBridge Investments
New York
$1.47B
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$888M
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$210M
4
JPMorgan Chase & Co
4
JPMorgan Chase & Co
New York
$230M
5
Capital World Investors
5
Capital World Investors
California
$953M
Name Holding Trade Value Shares
Change 		Shares
Change %
Legal & General Group
26
Legal & General Group
United Kingdom
$286M -$1.84M -7,884 -0.6%
Franklin Resources
27
Franklin Resources
California
$259M +$6.85M +29,269 +3%
T. Rowe Price Associates
28
T. Rowe Price Associates
Maryland
$257M +$10.7M +45,881 +4%
LSV Asset Management
29
LSV Asset Management
Illinois
$250M +$33.9M +144,830 +16%
JSP
30
Jackson Square Partners
California
$242M -$66.4M -283,856 -22%
JPMorgan Chase & Co
31
JPMorgan Chase & Co
New York
$230M -$199M -828,233 -46%
Charles Schwab
32
Charles Schwab
California
$218M +$3.49M +14,919 +2%
Parnassus Investments
33
Parnassus Investments
California
$216M +$69M +295,000 +47%
Massachusetts Financial Services
34
Massachusetts Financial Services
Massachusetts
$210M -$218M -934,178 -51%
Wells Fargo
35
Wells Fargo
California
$199M -$23.7M -101,332 -11%
Prudential Financial
36
Prudential Financial
New Jersey
$196M +$31.2M +133,342 +19%
Sumitomo Mitsui Trust Group
37
Sumitomo Mitsui Trust Group
Japan
$184M -$696K -2,977 -0.4%
Manulife (Manufacturers Life Insurance)
38
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$166M +$6.27M +26,804 +4%
Dimensional Fund Advisors
39
Dimensional Fund Advisors
Texas
$159M +$8.24M +35,206 +5%
PAMU
40
Pictet Asset Management (UK)
United Kingdom
$151M +$6.68M +28,580 +5%
SCM
41
Sarissa Capital Management
Connecticut
$150M +$27.7M +118,342 +23%
Swiss National Bank
42
Swiss National Bank
Switzerland
$150M -$7.34M -31,400 -5%
Allianz Asset Management
43
Allianz Asset Management
Germany
$147M -$11.2M -48,065 -7%
CS
44
Candriam SCA
Luxembourg
$145M -$6.93M -29,775 -5%
PPA
45
Parametric Portfolio Associates
Washington
$140M +$406K +1,738 +0.3%
First Trust Advisors
46
First Trust Advisors
Illinois
$135M +$40.2M +171,855 +42%
Two Sigma Advisers
47
Two Sigma Advisers
New York
$134M +$118M +504,800 +745%
CS
48
Credit Suisse
Switzerland
$126M +$1.91M +8,187 +2%
Barclays
49
Barclays
United Kingdom
$119M +$27.9M +119,272 +31%
Nordea Investment Management
50
Nordea Investment Management
Sweden
$118M -$4.43M -18,935 -4%
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