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952 hedge funds and large institutions have $25.9B invested in Biogen in 2022 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 319 increasing their positions, 389 reducing their positions, and 132 closing their positions.

New
Increased
Maintained
Reduced
Closed

9% more funds holding in top 10

Funds holding in top 10: 1112 (+1)

0.42% less ownership

Funds ownership: 84.25%83.82% (-0.42%)

1% less call options, than puts

Call options by funds: $789M | Put options by funds: $798M

6% less funds holding

Funds holding: 1,009952 (-57)

12% less capital invested

Capital invested by funds: $29.6B → $25.9B (-$3.65B)

18% less repeat investments, than reductions

Existing positions increased: 319 | Existing positions reduced: 389

37% less first-time investments, than exits

New positions opened: 83 | Existing positions closed: 132

Holders
952
Holders Change
-57
Holders Change %
-5.65%
% of All Funds
15.02%
Holding in Top 10
12
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+9.09%
% of All Funds
0.19%
New
83
Increased
319
Reduced
389
Closed
132
Calls
$789M
Puts
$798M
Net Calls
-$9.27M
Net Calls Change
+$411M
Name Holding Trade Value Shares
Change
Change in
Stake
American Century Companies
26
American Century Companies
Missouri
$185M +$5.23M +24,030 +3%
SAM
27
Southeastern Asset Management
Tennessee
$178M -$3.38M -15,561 -2%
Man Group
28
Man Group
United Kingdom
$173M +$132M +607,363 +285%
Charles Schwab
29
Charles Schwab
California
$161M +$5.01M +23,023 +3%
RCM
30
RA Capital Management
Massachusetts
$153M +$158M +727,024 New
Bank of America
31
Bank of America
North Carolina
$145M -$48.3M -222,317 -24%
Two Sigma Investments
32
Two Sigma Investments
New York
$140M +$40.4M +185,871 +39%
SCM
33
Sarissa Capital Management
Connecticut
$135M
Swiss National Bank
34
Swiss National Bank
Switzerland
$134M +$15.2M +69,700 +12%
Millennium Management
35
Millennium Management
New York
$127M +$41.6M +191,325 +46%
AC
36
Armistice Capital
New York
$120M +$24.4M +112,000 +24%
Assenagon Asset Management
37
Assenagon Asset Management
Luxembourg
$116M +$44.8M +206,210 +60%
PAMS
38
Pictet Asset Management (Switzerland)
Switzerland
$113M +$7.72M +35,494 +7%
Sumitomo Mitsui Trust Group
39
Sumitomo Mitsui Trust Group
Japan
$112M -$4.48M -20,601 -4%
Allianz Asset Management
40
Allianz Asset Management
Germany
$112M +$13.7M +62,913 +13%
N
41
Nuveen
North Carolina
$108M -$9.93M -45,656 -8%
PPA
42
Parametric Portfolio Associates
Washington
$104M +$1.94M +8,925 +2%
Parnassus Investments
43
Parnassus Investments
California
$95.2M
Nordea Investment Management
44
Nordea Investment Management
Sweden
$94.8M -$688K -3,166 -0.7%
Wells Fargo
45
Wells Fargo
California
$92.6M +$8.43M +38,751 +10%
California Public Employees Retirement System
46
California Public Employees Retirement System
California
$89.8M -$5.3M -24,385 -5%
Franklin Resources
47
Franklin Resources
California
$87.5M -$10M -46,100 -10%
HM
48
HealthCor Management
New York
$84.6M -$11.3M -51,740 -11%
First Trust Advisors
49
First Trust Advisors
Illinois
$83.7M +$11.3M +52,172 +15%
AQR Capital Management
50
AQR Capital Management
Connecticut
$83.5M +$14.8M +68,085 +21%