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874 hedge funds and large institutions have $20.2B invested in Biogen in 2024 Q4 according to their latest regulatory filings, with 131 funds opening new positions, 300 increasing their positions, 322 reducing their positions, and 159 closing their positions.

New
Increased
Maintained
Reduced
Closed

1.72% more ownership

Funds ownership: 89.11%90.83% (+1.7%)

7% less repeat investments, than reductions

Existing positions increased: 300 | Existing positions reduced: 322

5% less funds holding

Funds holding: 916874 (-42)

13% less call options, than puts

Call options by funds: $310M | Put options by funds: $356M

18% less first-time investments, than exits

New positions opened: 131 | Existing positions closed: 159

19% less capital invested

Capital invested by funds: $25.1B → $20.2B (-$4.84B)

38% less funds holding in top 10

Funds holding in top 10: 85 (-3)

Holders
874
Holders Change
-42
Holders Change %
-4.59%
% of All Funds
11.51%
Holding in Top 10
5
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-37.5%
% of All Funds
0.07%
New
131
Increased
300
Reduced
322
Closed
159
Calls
$310M
Puts
$356M
Net Calls
-$45.6M
Net Calls Change
+$21.7M
Name Holding Trade Value Shares
Change
Change in
Stake
Franklin Resources
51
Franklin Resources
California
$60.3M +$3.31M +19,644 +5%
Sumitomo Mitsui Trust Group
52
Sumitomo Mitsui Trust Group
Japan
$59.9M +$3.6M +21,368 +6%
BNP Paribas Financial Markets
53
BNP Paribas Financial Markets
France
$57.8M -$5.97M -35,399 -9%
Squarepoint
54
Squarepoint
New York
$56.8M +$23.7M +140,553 +61%
TD Asset Management
55
TD Asset Management
Ontario, Canada
$54.4M -$2.58M -15,295 -4%
Brown Advisory
56
Brown Advisory
Maryland
$53.1M +$2.42M +14,339 +4%
N
57
Nuveen
North Carolina
$46M -$3.79M -22,446 -7%
Pictet Asset Management
58
Pictet Asset Management
Switzerland
$44.9M -$30.2M -178,832 -38%
CCM
59
Causeway Capital Management
California
$43.1M +$47.5M +281,702 New
RhumbLine Advisers
60
RhumbLine Advisers
Massachusetts
$41.1M -$964K -5,718 -2%
Citigroup
61
Citigroup
New York
$40.4M +$4.42M +26,191 +11%
Canada Pension Plan Investment Board
62
Canada Pension Plan Investment Board
Ontario, Canada
$39.9M +$9.47M +56,132 +27%
National Pension Service
63
National Pension Service
South Korea
$38.2M -$18.5M -109,484 -30%
PI
64
PineBridge Investments
New York
$38.2M +$34.2M +202,716 +431%
Royal Bank of Canada
65
Royal Bank of Canada
Ontario, Canada
$37.7M -$16.3M -96,859 -28%
Mitsubishi UFJ Asset Management
66
Mitsubishi UFJ Asset Management
Japan
$37.4M +$3.74M +22,182 +10%
Hudson Bay Capital Management
67
Hudson Bay Capital Management
Connecticut
$36.9M -$9.95M -58,992 -20%
Capital Fund Management (CFM)
68
Capital Fund Management (CFM)
France
$36.8M +$9.18M +54,406 +29%
LSV Asset Management
69
LSV Asset Management
Illinois
$35.9M +$32.5M +192,948 +465%
California State Teachers Retirement System (CalSTRS)
70
California State Teachers Retirement System (CalSTRS)
California
$35.7M +$474K +2,811 +1%
Verition Fund Management
71
Verition Fund Management
Connecticut
$34.7M +$30.8M +182,769 +412%
Nomura Holdings
72
Nomura Holdings
Japan
$33.5M +$35.4M +209,613 +2,262%
Bank of Montreal
73
Bank of Montreal
Ontario, Canada
$32.3M -$1.45M -8,575 -4%
Jane Street
74
Jane Street
New York
$31M +$15.6M +92,349 +84%
CS
75
Candriam SCA
Luxembourg
$30.9M -$1.77M -10,493 -5%