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Biogen
BIIB

Overview Fund Activity

1,002 hedge funds and large institutions have $29.5B invested in Biogen in 2021 Q4 according to their latest regulatory filings, with 143 funds opening new positions, 293 increasing their positions, 392 reducing their positions, and 153 closing their positions.

Holders
1,002
Holders Change
-31
Holders Change %
-3%
% of All Funds
15.48%
Holding in Top 10
11
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-26.67%
% of All Funds
0.17%
New
143
Increased
293
Reduced
392
Closed
153
Calls
$1.1B
Puts
$1.52B
Net Calls
-$420M
Net Calls Change
+$46.5M

Top Buyers

1
SAM
1
Southeastern Asset Management
Tennessee
$206M
2
Arrowstreet Capital
2
Arrowstreet Capital
Massachusetts
$232M
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$1.48B
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$147M
5
Barclays
5
Barclays
United Kingdom
$196M

Top Sellers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$1.09B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$44.9M
3
ClearBridge Investments
3
ClearBridge Investments
New York
$605M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$271M
5
Primecap Management
5
Primecap Management
California
$3.78B
Name Market Value Shares Shares
Change 		Shares
Change %
Primecap Management
1
Primecap Management
California
$3.78B 15,757,405 -501,510 -3%
BlackRock
2
BlackRock
New York
$3.29B 13,721,954 -174,299 -1%
Vanguard Group
3
Vanguard Group
Pennsylvania
$2.77B 11,537,299 -154,577 -1%
State Street
4
State Street
Massachusetts
$1.68B 7,011,506 +107,970 +2%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$1.48B 6,184,455 +606,735 +11%
JPMorgan Chase & Co
6
JPMorgan Chase & Co
New York
$1.09B 4,536,480 -1,068,817 -19%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$657M 2,745,331 -29,935 -1%
ClearBridge Investments
8
ClearBridge Investments
New York
$605M 2,523,402 -840,525 -25%
Northern Trust
9
Northern Trust
Illinois
$406M 1,692,122 -66,768 -4%
Deutsche Bank
10
Deutsche Bank
Germany
$376M 1,566,220 +184,738 +13%
Norges Bank
11
Norges Bank
Norway
$373M 1,555,205 -66,806 -4%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$352M 1,465,307 -144,492 -9%
Legal & General Group
13
Legal & General Group
United Kingdom
$326M 1,358,080 -48,116 -3%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$286M 1,192,250 +62,060 +5%
UBS AM
15
UBS AM
Illinois
$278M 1,159,302 -85,684 -7%
T. Rowe Price Associates
16
T. Rowe Price Associates
Maryland
$271M 1,131,357 -652,779 -37%
Invesco
17
Invesco
Georgia
$271M 1,131,063 +140,484 +14%
Renaissance Technologies
18
Renaissance Technologies
New York
$258M 1,073,807 +92,100 +9%
Arrowstreet Capital
19
Arrowstreet Capital
Massachusetts
$232M 965,862 +691,743 +252%
Goldman Sachs
20
Goldman Sachs
New York
$228M 949,240 +149,312 +19%
BGC
21
Beutel, Goodman & Co
Ontario, Canada
$219M 913,536 +363,520 +66%
Bank of America
22
Bank of America
North Carolina
$219M 910,901 +168,052 +23%
SAM
23
Southeastern Asset Management
Tennessee
$206M 858,523 +858,523 New
American Century Companies
24
American Century Companies
Missouri
$205M 855,772 -283,047 -25%
Barclays
25
Barclays
United Kingdom
$196M 816,571 +431,657 +112%
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