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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
BCAM
926
Boston Common Asset Management
Massachusetts
– -$7.99M -34,456 Closed
SGH
927
Sivik Global Healthcare
Connecticut
– -$6.96M -30,000 Closed
LIP
928
Lighthouse Investment Partners
Florida
– -$5.5M -23,713 Closed
SFC
929
Strategic Financial Concepts
Texas
– -$100 -21,189 Closed
ECM
930
Exchange Capital Management
Michigan
– -$4.67M -20,139 Closed
Fiera Capital (Canada)
931
Fiera Capital (Canada)
Quebec, Canada
– -$3.59M -15,482 Closed
HCCM
932
Hudson Canyon Capital Management
New York
– -$1.86M -8,025 Closed
PFM
933
Privium Fund Management
Netherlands
– -$1.6M -7,000 Closed
OA
934
Oak Associates
Ohio
– -$1.43M -6,190 Closed
IP
935
Intellectus Partners
California
– -$1.4M -6,029 Closed
LOAME
936
Lombard Odier Asset Management (Europe)
United Kingdom
– -$1.09M -4,686 Closed
IIM
937
INTECH Investment Management
Florida
– -$1.03M -4,456 Closed
WLG
938
Williamson Legacy Group
Indiana
– -$866K -3,735 Closed
UWS
939
Unique Wealth Strategies
Illinois
– -$734K -3,406 Closed
SWA
940
SFMG Wealth Advisors
Texas
– -$782K -3,375 Closed
AFCM
941
Applied Finance Capital Management
Puerto Rico
– -$779K -3,362 Closed
RWP
942
RWA Wealth Partners
Massachusetts
– -$708K -3,056 Closed
RC
943
Rovin Capital
Arizona
– -$635K -2,741 Closed
VCWA
944
Vanguard Capital Wealth Advisors
Colorado
– -$533K -2,300 Closed
LCS
945
Levin Capital Strategies
New York
– -$516K -2,226 Closed
AAIS
946
ABN AMRO Investment Solutions
– -$491K -2,118 Closed
MC
947
Matisse Capital
Oregon
– -$486K -2,095 Closed
CP
948
Camelot Portfolios
Ohio
– -$440K -1,900 Closed
MIM
949
Morningstar Investment Management
Illinois
– -$432K -1,865 Closed
SW
950
Simplicity Wealth
New Jersey
– -$424K -1,831 Closed
36 37
38
39 40

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.