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1,104 hedge funds and large institutions have $43.5B invested in Biogen in 2021 Q2 according to their latest regulatory filings, with 136 funds opening new positions, 324 increasing their positions, 468 reducing their positions, and 110 closing their positions.

New
Increased
Maintained
Reduced
Closed

108% more funds holding in top 10

Funds holding in top 10: 1327 (+14)

24% more first-time investments, than exits

New positions opened: 136 | Existing positions closed: 110

22% more capital invested

Capital invested by funds: $35.7B → $43.5B (+$7.81B)

1% more funds holding

Funds holding: 1,0931,104 (+11)

0.17% less ownership

Funds ownership: 83.93%83.76% (-0.17%)

6% less call options, than puts

Call options by funds: $1.8B | Put options by funds: $1.91B

31% less repeat investments, than reductions

Existing positions increased: 324 | Existing positions reduced: 468

Holders
1,104
Holders Change
+11
Holders Change %
+1.01%
% of All Funds
19.22%
Holding in Top 10
27
Holding in Top 10 Change
+14
Holding in Top 10 Change %
+107.69%
% of All Funds
0.47%
New
136
Increased
324
Reduced
468
Closed
110
Calls
$1.8B
Puts
$1.91B
Net Calls
-$111M
Net Calls Change
-$185M
Name Holding Trade Value Shares
Change
Change in
Stake
HM
51
HealthCor Management
New York
$117M +$78.4M +258,790 +321%
Capital World Investors
52
Capital World Investors
California
$115M
Barclays
53
Barclays
United Kingdom
$114M +$9.96M +32,878 +11%
Boston Partners
54
Boston Partners
Massachusetts
$111M +$4.56M +15,047 +5%
Millennium Management
55
Millennium Management
New York
$106M +$46.1M +152,271 +98%
State of Wisconsin Investment Board
56
State of Wisconsin Investment Board
Wisconsin
$101M +$42.5M +140,375 +93%
New York State Common Retirement Fund
57
New York State Common Retirement Fund
New York
$100M -$973K -3,211 -1%
Citigroup
58
Citigroup
New York
$95.4M +$6.89M +22,747 +9%
CS
59
Candriam SCA
Luxembourg
$95.2M -$35.1M -115,830 -30%
RhumbLine Advisers
60
RhumbLine Advisers
Massachusetts
$95M -$5.93M -19,578 -7%
A
61
AustralianSuper
Australia
$94.4M -$71.3M -235,266 -46%
CS
62
Credit Suisse
Switzerland
$93.9M -$2.54M -8,392 -3%
California State Teachers Retirement System (CalSTRS)
63
California State Teachers Retirement System (CalSTRS)
California
$91.5M -$9.32M -30,775 -10%
BNP Paribas Asset Management
64
BNP Paribas Asset Management
France
$90.5M -$8.47M -27,970 -10%
National Pension Service
65
National Pension Service
South Korea
$87.8M +$1.39M +4,600 +2%
Point72 Asset Management
66
Point72 Asset Management
Connecticut
$85M +$39.4M +130,106 +113%
RPI
67
Railway Pension Investments
United Kingdom
$84.8M -$1.18M -3,900 -2%
Canada Life
68
Canada Life
Manitoba, Canada
$83.8M -$6.89M -22,759 -9%
Canada Pension Plan Investment Board
69
Canada Pension Plan Investment Board
Ontario, Canada
$83.6M -$1.06M -3,484 -1%
SRIM
70
Saratoga Research & Investment Management
California
$83.5M -$3.98M -13,128 -5%
UBS Group
71
UBS Group
Switzerland
$82.8M +$12.2M +40,143 +20%
AllianceBernstein
72
AllianceBernstein
Tennessee
$79.8M -$8.18M -27,014 -10%
Prudential Financial
73
Prudential Financial
New Jersey
$79.6M -$643K -2,124 -0.9%
Bank of Montreal
74
Bank of Montreal
Ontario, Canada
$79M +$4.62M +15,249 +9%
EAM
75
Erste Asset Management
Austria
$77M +$7.75M +25,598 +13%