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916 hedge funds and large institutions have $25.1B invested in Biogen in 2024 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 270 increasing their positions, 378 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.51% more ownership

Funds ownership: 88.6%89.11% (+0.51%)

3% less funds holding

Funds holding: 943916 (-27)

16% less first-time investments, than exits

New positions opened: 99 | Existing positions closed: 118

16% less capital invested

Capital invested by funds: $29.9B → $25.1B (-$4.82B)

24% less call options, than puts

Call options by funds: $214M | Put options by funds: $282M

29% less repeat investments, than reductions

Existing positions increased: 270 | Existing positions reduced: 378

33% less funds holding in top 10

Funds holding in top 10: 128 (-4)

Holders
916
Holders Change
-27
Holders Change %
-2.86%
% of All Funds
13.15%
Holding in Top 10
8
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-33.33%
% of All Funds
0.11%
New
99
Increased
270
Reduced
378
Closed
118
Calls
$214M
Puts
$282M
Net Calls
-$67.3M
Net Calls Change
-$32.9M
Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$3.23B +$16.4M +78,344 +0.5%
Primecap Management
2
Primecap Management
California
$3.16B -$4.86M -23,215 -0.1%
BlackRock
3
BlackRock
New York
$2.97B +$169M +808,544 +6%
State Street
4
State Street
Massachusetts
$1.42B +$52.1M +248,942 +4%
JP Morgan Chase
5
JP Morgan Chase
New York
$1.02B +$113M +542,366 +12%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$995M -$7.38M -35,298 -0.7%
T. Rowe Price Investment Management
7
T. Rowe Price Investment Management
Maryland
$825M -$298M -1,422,573 -25%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$698M +$9.84M +47,055 +1%
Norges Bank
9
Norges Bank
Norway
$439M +$38.8M +185,647 +9%
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$371M -$20.7M -98,865 -5%
Morgan Stanley
11
Morgan Stanley
New York
$366M +$58.7M +280,738 +17%
BGC
12
Beutel, Goodman & Co
Ontario, Canada
$338M -$688K -3,290 -0.2%
Invesco
13
Invesco
Georgia
$316M +$71.2M +340,290 +26%
Northern Trust
14
Northern Trust
Illinois
$262M -$15.2M -72,786 -5%
Legal & General Group
15
Legal & General Group
United Kingdom
$243M -$3.8M -18,179 -1%
RCM
16
RA Capital Management
Massachusetts
$230M +$42.3M +202,317 +21%
UBS AM
17
UBS AM
Illinois
$223M +$3.96M +18,905 +2%
Ameriprise
18
Ameriprise
Minnesota
$223M -$62.7M -299,519 -21%
Dimensional Fund Advisors
19
Dimensional Fund Advisors
Texas
$216M +$885K +4,228 +0.4%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$194M -$51.1M -244,480 -20%
Goldman Sachs
21
Goldman Sachs
New York
$192M -$90.3M -431,819 -30%
Renaissance Technologies
22
Renaissance Technologies
New York
$185M +$70M +334,600 +54%
Barclays
23
Barclays
United Kingdom
$179M +$99.1M +473,603 +106%
Charles Schwab
24
Charles Schwab
California
$177M +$2.58M +12,319 +1%
Man Group
25
Man Group
United Kingdom
$166M +$167M +799,240 +1,388%