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Biogen
BIIB

Overview Fund Activity

1,121 hedge funds and large institutions have $60B invested in Biogen in 2017 Q4 according to their latest regulatory filings, with 167 funds opening new positions, 398 increasing their positions, 384 reducing their positions, and 48 closing their positions.

Holders
1,121
Holders Change
+108
Holders Change %
+10.66%
% of All Funds
25.46%
Holding in Top 10
28
Holding in Top 10 Change
-10
Holding in Top 10 Change %
-26.32%
% of All Funds
0.64%
New
167
Increased
398
Reduced
384
Closed
48
Calls
$989M
Puts
$1.44B
Net Calls
-$456M
Net Calls Change
-$187M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$2.9B
2
AllianceBernstein
2
AllianceBernstein
Tennessee
$1.09B
3
PC
3
PointState Capital
New York
$245M
4
MNG
4
Manning & Napier Group
New York
$130M
5
Balyasny Asset Management
5
Balyasny Asset Management
Illinois
$174M

Top Sellers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$2.72B
2
TCIM
2
TIAA CREF Investment Management
New York
$441M
3
Citadel Advisors
3
Citadel Advisors
Florida
$51.3M
4
Bank of America
4
Bank of America
North Carolina
$618M
5
O
5
OrbiMed
New York
$392M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$5.35B 16,804,683 -139,606 -0.8%
Primecap Management
2
Primecap Management
California
$4.81B 15,109,231 -103,683 -0.7%
Vanguard Group
3
Vanguard Group
Pennsylvania
$4.74B 14,871,019 +202,077 +1%
State Street
4
State Street
Massachusetts
$3.02B 9,483,601 -185,815 -2%
ClearBridge Investments
5
ClearBridge Investments
New York
$2.91B 9,141,651 -109,176 -1%
Fidelity Investments
6
Fidelity Investments
Massachusetts
$2.9B 9,092,419 +1,940,450 +27%
T. Rowe Price Associates
7
T. Rowe Price Associates
Maryland
$2.72B 8,534,311 -2,147,067 -20%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$1.63B 5,109,262 -58,400 -1%
Invesco
9
Invesco
Georgia
$1.1B 3,456,099 +76,245 +2%
AllianceBernstein
10
AllianceBernstein
Tennessee
$1.09B 3,414,672 +727,007 +27%
Northern Trust
11
Northern Trust
Illinois
$949M 2,979,340 -49,407 -2%
JPMorgan Chase & Co
12
JPMorgan Chase & Co
New York
$897M 2,816,517 +331,988 +13%
Ameriprise
13
Ameriprise
Minnesota
$831M 2,607,446 +298,052 +13%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$777M 2,443,559 +24,753 +1%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$762M 2,390,527 +64,540 +3%
Goldman Sachs
16
Goldman Sachs
New York
$731M 2,295,302 +178,534 +8%
Norges Bank
17
Norges Bank
Norway
$690M 2,165,734 +146,536 +7%
JSP
18
Jackson Square Partners
California
$658M 2,066,022 -183,231 -8%
AQR Capital Management
19
AQR Capital Management
Connecticut
$626M 1,966,134 +96,473 +5%
Bank of America
20
Bank of America
North Carolina
$618M 1,938,390 -485,911 -20%
Massachusetts Financial Services
21
Massachusetts Financial Services
Massachusetts
$583M 1,829,779 +37,909 +2%
Janus Henderson Group
22
Janus Henderson Group
United Kingdom
$487M 1,528,386 +88,235 +6%
Franklin Resources
23
Franklin Resources
California
$458M 1,438,020 +45,975 +3%
TCIM
24
TIAA CREF Investment Management
New York
$441M 1,384,816 -721,682 -34%
Deutsche Bank
25
Deutsche Bank
Germany
$403M 1,264,658 -311,943 -20%
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