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Biogen
BIIB

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: 943 → 916 (-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: 12 → 8 (-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

Top Buyers

1
BlackRock
BlackRock
New York
+$169M
2
Man Group
Man Group
United Kingdom
+$167M
3
JP Morgan Chase
JP Morgan Chase
New York
+$113M
4
Barclays
Barclays
United Kingdom
+$99.1M
5
Two Sigma Investments
Two Sigma Investments
New York
+$91.2M

Top Sellers

1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$298M
2
ClearBridge Investments
ClearBridge Investments
New York
-$181M
3
VanEck Associates
VanEck Associates
New York
-$172M
4
SCM
Sarissa Capital Management
Connecticut
-$129M
5
American Century Companies
American Century Companies
Missouri
-$126M
Name Holding Trade Value Shares
Change 		Change in
Stake
FGA
876
Fortis Group Advisors
New Jersey
$2.91K – – –
KA
877
Kozak & Associates
Colorado
$2.65K – – –
HCM
878
Hollencrest Capital Management
California
$2.52K – – –
OSNBOA
879
Old Second National Bank of Aurora
Illinois
$2.52K – – –
SWA
880
SOA Wealth Advisors
New York
$2.33K -$628 -3 -20%
FFO
881
Fortitude Family Office
Arizona
$2.33K – – –
CA
882
Claris Advisors
Missouri
$2.13K +$2.3K +11 New
AW
883
Avion Wealth
Texas
$2K -$837 -4 -25%
PCM
884
Penserra Capital Management
California
$2K – – –
BAM
885
Byrne Asset Management
New Jersey
$1.94K – – –
SIS
886
Strategic Investment Solutions
Illinois
$1.94K – – –
IAIM
887
International Assets Investment Management
Florida
$1.85K +$74.7M +357,181 +19,723%
AP
888
Aspect Partners
Virginia
$1.75K – – –
NFA
889
Northwest Financial Advisors
Virginia
$1.75K +$1.88K +9 New
GSEP
890
Golden State Equity Partners
California
$1.74K +$1.88K +9 New
CPG
891
Cornerstone Planning Group
New Jersey
$1.65K -$3.98K -19 -68%
WWP
892
WR Wealth Planners
Missouri
$1.55K -$77.8K -372 -98%
APC
893
Aspire Private Capital
North Carolina
$1.55K – – –
VWA
894
Valued Wealth Advisors
Utah
$1.55K – – –
CIA
895
Cape Investment Advisory
Georgia
$1.36K – – –
PPC
896
Park Place Capital
Alabama
$1.36K – – –
CWM
897
Cranbrook Wealth Management
Michigan
$1.36K +$1.46K +7 New
CFGS
898
Concourse Financial Group Securities
Alabama
$1.36K -$3.14K -15 -68%
TCA
899
Trifecta Capital Advisors
Illinois
$1.16K – – –
FG
900
Fairman Group
Pennsylvania
$1.16K – – –
34 35
36
37 38

BIIB Hedge Fund Activity: Q3 2024 in Review

916 of the 6,964 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q3 2024, worth a combined $25.1B — down 16% from $29.9B a quarter earlier.

Sellers outnumbered buyers: 118 funds closed out of BIIB and 99 opened new positions — a net loss of 19 holders — while 378 trimmed existing stakes and 270 added.

The largest buyer was BlackRock, adding an estimated $169M. The largest seller was T. Rowe Price Investment Management, cutting an estimated $298M.

  • 916 institutional investors held Biogen (BIIB) as of Q3 2024, down from 943 in Q2 2024.
  • Funds reported $25.1B of Biogen stock for Q3 2024, down 16% quarter-over-quarter.
  • 99 funds opened new Biogen positions in Q3 2024 and 118 closed out, a net change of -19 holders.
  • The largest Biogen buyer in Q3 2024 was BlackRock, an estimated $169M added.
  • The largest Biogen seller in Q3 2024 was T. Rowe Price Investment Management, an estimated $298M sold.

Based on aggregated 13F filings for Q3 2024.