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Biogen
BIIB

Overview Fund Activity

972 hedge funds and large institutions have $85.3B invested in Biogen in 2015 Q2 according to their latest regulatory filings, with 100 funds opening new positions, 367 increasing their positions, 347 reducing their positions, and 85 closing their positions.

Holders
972
Holders Change
+7
Holders Change %
+0.73%
% of All Funds
26.21%
Holding in Top 10
52
Holding in Top 10 Change
-16
Holding in Top 10 Change %
-23.53%
% of All Funds
1.4%
New
100
Increased
367
Reduced
347
Closed
85
Calls
$1.21B
Puts
$1.72B
Net Calls
-$507M
Net Calls Change
+$74.4M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.95B
2
JSP
2
Jackson Square Partners
California
$735M
3
Viking Global Investors
3
Viking Global Investors
Connecticut
$207M
4
TCIM
4
TIAA CREF Investment Management
New York
$865M
5
VOYA Investment Management
5
VOYA Investment Management
Georgia
$233M

Top Sellers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$2B
2
D.E. Shaw & Co
2
D.E. Shaw & Co
New York
$60.4M
3
Ameriprise
3
Ameriprise
Minnesota
$1.06B
4
Winslow Capital Management
4
Winslow Capital Management
Minnesota
$520M
5
MCM
5
Marsico Capital Management
Colorado
$518M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$8.78B 21,738,394 -302,757 -1%
Primecap Management
2
Primecap Management
California
$6.67B 16,501,541 -57,222 -0.3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$5.41B 13,381,395 +239,059 +2%
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$4.23B 10,473,787 -317,775 -3%
State Street
5
State Street
Massachusetts
$3.84B 9,502,785 -282,405 -3%
ClearBridge Investments
6
ClearBridge Investments
New York
$3.23B 8,001,867 -23,374 -0.3%
BIT
7
BlackRock Institutional Trust
California
$2.45B 6,069,248 -151,735 -2%
JPMorgan Chase & Co
8
JPMorgan Chase & Co
New York
$2B 4,960,431 -892,604 -15%
Jennison Associates
9
Jennison Associates
New York
$1.96B 4,848,097 -247,504 -5%
Wellington Management Group
10
Wellington Management Group
Massachusetts
$1.95B 4,834,187 +1,366,907 +39%
Sands Capital Management
11
Sands Capital Management
Virginia
$1.91B 4,732,945 -276,670 -6%
BFA
12
BlackRock Fund Advisors
California
$1.87B 4,623,009 +215,227 +5%
Invesco
13
Invesco
Georgia
$1.33B 3,280,391 -279,076 -8%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$1.25B 3,100,414 -116,446 -4%
Northern Trust
15
Northern Trust
Illinois
$1.25B 3,099,440 -21,411 -0.7%
Ameriprise
16
Ameriprise
Minnesota
$1.06B 2,613,987 -621,522 -19%
WRF
17
Waddell & Reed Financial
Kansas
$967M 2,395,107 -273,300 -10%
Wells Fargo
18
Wells Fargo
California
$901M 2,229,360 -178,830 -7%
Franklin Resources
19
Franklin Resources
California
$899M 2,226,442 -67,165 -3%
JHIU
20
Janus Henderson Investors US
Colorado
$896M 2,219,510 +39,233 +2%
BG
21
BlackRock Group
United Kingdom
$870M 2,154,179 +10,809 +0.5%
TCIM
22
TIAA CREF Investment Management
New York
$865M 2,141,512 +470,529 +28%
Geode Capital Management
23
Geode Capital Management
Massachusetts
$778M 1,929,721 +13,097 +0.7%
AllianceBernstein
24
AllianceBernstein
Tennessee
$740M 1,830,976 +101,379 +6%
JSP
25
Jackson Square Partners
California
$735M 1,819,169 +780,847 +75%
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