BIIB icon

Biogen
BIIB

Overview Fund Activity

922 hedge funds and large institutions have $58.4B invested in Biogen in 2015 Q3 according to their latest regulatory filings, with 105 funds opening new positions, 406 increasing their positions, 283 reducing their positions, and 150 closing their positions.

Holders
922
Holders Change
-50
Holders Change %
-5.14%
% of All Funds
25.77%
Holding in Top 10
37
Holding in Top 10 Change
-15
Holding in Top 10 Change %
-28.85%
% of All Funds
1.03%
New
105
Increased
406
Reduced
283
Closed
150
Calls
$1.22B
Puts
$1.8B
Net Calls
-$579M
Net Calls Change
-$71.2M

Top Buyers

1
Ameriprise
1
Ameriprise
Minnesota
$1.11B
2
SCM
2
Steadfast Capital Management
New York
$278M
3
Bank of America
3
Bank of America
North Carolina
$415M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$1.65B
5
BA
5
BlackRock Advisors
Delaware
$455M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$4.83B
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$1.76B
3
Winslow Capital Management
3
Winslow Capital Management
Minnesota
$0
4
MCM
4
Marsico Capital Management
Colorado
$0
5
DCP
5
DSM Capital Partners
Florida
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$4.83B 16,563,800 -5,174,594 -24%
Primecap Management
2
Primecap Management
California
$4.62B 15,843,460 -658,081 -4%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.96B 13,577,534 +196,139 +1%
State Street
4
State Street
Massachusetts
$2.77B 9,485,627 -17,158 -0.2%
ClearBridge Investments
5
ClearBridge Investments
New York
$2.5B 8,583,624 +581,757 +7%
BIT
6
BlackRock Institutional Trust
California
$1.78B 6,110,237 +40,989 +0.7%
T. Rowe Price Associates
7
T. Rowe Price Associates
Maryland
$1.76B 6,027,086 -4,446,701 -42%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$1.65B 5,662,893 +828,706 +17%
BFA
9
BlackRock Fund Advisors
California
$1.56B 5,348,252 +725,243 +16%
Sands Capital Management
10
Sands Capital Management
Virginia
$1.2B 4,121,400 -611,545 -13%
Jennison Associates
11
Jennison Associates
New York
$1.19B 4,061,683 -786,414 -16%
JPMorgan Chase & Co
12
JPMorgan Chase & Co
New York
$1.15B 3,946,702 -1,013,729 -20%
Ameriprise
13
Ameriprise
Minnesota
$1.11B 3,809,329 +1,195,342 +46%
Invesco
14
Invesco
Georgia
$1B 3,434,031 +153,640 +5%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$938M 3,212,715 +112,301 +4%
Northern Trust
16
Northern Trust
Illinois
$925M 3,168,994 +69,554 +2%
AllianceBernstein
17
AllianceBernstein
Tennessee
$733M 2,512,333 +681,357 +37%
Franklin Resources
18
Franklin Resources
California
$693M 2,374,911 +148,469 +7%
BG
19
BlackRock Group
United Kingdom
$646M 2,212,262 +58,083 +3%
WRF
20
Waddell & Reed Financial
Kansas
$629M 2,154,169 -240,938 -10%
JSP
21
Jackson Square Partners
California
$588M 2,014,681 +195,512 +11%
JHIU
22
Janus Henderson Investors US
Colorado
$585M 2,004,800 -214,710 -10%
Norges Bank
23
Norges Bank
Norway
$577M 1,975,930 +299,607 +18%
TCIM
24
TIAA CREF Investment Management
New York
$574M 1,966,288 -175,224 -8%
Geode Capital Management
25
Geode Capital Management
Massachusetts
$569M 1,951,867 +22,146 +1%
1
2 3 4 5