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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 Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$3.74B 16,012,637 -280,115 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$3.46B 14,815,354 -200,117 -1%
Primecap Management
3
Primecap Management
California
$3.4B 14,554,002 -32,380 -0.2%
State Street
4
State Street
Massachusetts
$2.05B 8,764,575 +9,682 +0.1%
ClearBridge Investments
5
ClearBridge Investments
New York
$1.47B 6,279,098 -2,313,259 -27%
Capital World Investors
6
Capital World Investors
California
$953M 4,074,927 -826,933 -17%
Wellington Management Group
7
Wellington Management Group
Massachusetts
$888M 3,798,965 -1,409,937 -27%
AQR Capital Management
8
AQR Capital Management
Connecticut
$887M 3,793,752 -426,104 -10%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$768M 3,286,582 +243,391 +8%
Invesco
10
Invesco
Georgia
$700M 2,992,810 -239,523 -7%
Northern Trust
11
Northern Trust
Illinois
$674M 2,882,890 -16,277 -0.6%
D.E. Shaw & Co
12
D.E. Shaw & Co
New York
$602M 2,572,976 +1,524,355 +145%
Arrowstreet Capital
13
Arrowstreet Capital
Massachusetts
$583M 2,494,757 +778,167 +45%
Renaissance Technologies
14
Renaissance Technologies
New York
$581M 2,483,077 +851,263 +52%
Norges Bank
15
Norges Bank
Norway
$483M 2,066,244 +5,797 +0.3%
Fidelity Investments
16
Fidelity Investments
Massachusetts
$478M 2,042,276 -509,390 -20%
Goldman Sachs
17
Goldman Sachs
New York
$419M 1,790,203 +124,721 +7%
AllianceBernstein
18
AllianceBernstein
Tennessee
$405M 1,730,593 -773,943 -31%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$404M 1,727,485 -160,864 -9%
Deutsche Bank
20
Deutsche Bank
Germany
$401M 1,716,233 -399,556 -19%
Boston Partners
21
Boston Partners
Massachusetts
$367M 1,569,859 +647,141 +70%
American Century Companies
22
American Century Companies
Missouri
$338M 1,443,266 -200,148 -12%
Bank of America
23
Bank of America
North Carolina
$332M 1,419,187 -522,220 -27%
UBS AM
24
UBS AM
Illinois
$323M 1,380,379 +84,065 +6%
Nuveen Asset Management
25
Nuveen Asset Management
Illinois
$308M 1,319,080 +1,101,563 +506%
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