We are live on ! Find out more
BIIB icon

Biogen
BIIB

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: 13 → 27 (+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: 1,093 → 1,104 (+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

Top Buyers

1
JP Morgan Chase
JP Morgan Chase
New York
+$445M
2
Marshall Wace
Marshall Wace
United Kingdom
+$148M
3
SC
Samlyn Capital
New York
+$114M
4
Citadel Advisors
Citadel Advisors
Florida
+$101M
5
HM
HealthCor Management
New York
+$78.4M

Top Sellers

1
Renaissance Technologies
Renaissance Technologies
New York
-$184M
2
Berkshire Hathaway
Berkshire Hathaway
Nebraska
-$180M
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$171M
4
LSV Asset Management
LSV Asset Management
Illinois
-$169M
5
SAM
Southeastern Asset Management
Tennessee
-$169M
Name Holding Trade Value Shares
Change 		Change in
Stake
SS
876
Simplicity Solutions
Minnesota
$223K +$195K +644 New
FWM
877
Focused Wealth Management
New York
$222K +$4.54K +15 +2%
C
878
Certuity
Florida
$222K +$194K +642 New
RA
879
RFG Advisory
Alabama
$222K +$194K +642 New
MAFM
880
Mid Atlantic Financial Management
Pennsylvania
$221K -$65.4K -216 -25%
MC
881
Moors & Cabot
Massachusetts
$220K -$28.8K -95 -13%
VWA
882
V Wealth Advisors
Kansas
$220K +$193K +636 New
QCG
883
Quadrant Capital Group
Ohio
$219K -$47.3K -156 -20%
PA
884
PFG Advisors
Arizona
$218K -$39.1K -129 -17%
SCA
885
Snowden Capital Advisors
New York
$216K -$37K -122 -16%
AL
886
ADE LLC
Maryland
$215K – – –
GFS
887
GYL Financial Synergies
Connecticut
$215K +$188K +620 New
ICA
888
Infrastructure Capital Advisors
New York
$215K +$188K +621 New
DLA
889
Douglas Lane & Associates
New York
$213K +$187K +616 New
EFS
890
Essex Financial Services
Connecticut
$212K +$186K +613 New
Verition Fund Management
891
Verition Fund Management
Connecticut
$210K -$81.8K -270 -31%
SW
892
SteelPeak Wealth
California
$210K +$184K +606 New
QP
893
Quilter Plc
United Kingdom
$210K +$184K +607 New
DA
894
Denali Advisors
California
$208K -$636K -2,100 -78%
PWA
895
Providence Wealth Advisors
Illinois
$208K +$182K +600 New
SIG
896
Sargent Investment Group
Maryland
$208K +$182K +600 New
CBFP
897
Cedar Brook Financial Partners
Ohio
$203K +$177K +585 New
FBB
898
Fulton Breakefield Broenniman
Maryland
$203K +$178K +586 New
WAP
899
Wealthcare Advisory Partners
Pennsylvania
$202K -$10.6K -35 -6%
NFP
900
Novak Financial Planning
Maryland
$202K +$177K +584 New
34 35
36
37 38

BIIB Hedge Fund Activity: Q2 2021 in Review

1,104 of the 5,745 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q2 2021, worth a combined $43.5B — up 22% from $35.7B a quarter earlier.

Buyers outnumbered sellers: 136 funds opened new BIIB positions and 110 closed out — a net gain of 26 holders — while 324 added to existing stakes and 468 trimmed.

The largest buyer was JP Morgan Chase, adding an estimated $445M. The largest seller was Renaissance Technologies, cutting an estimated $184M.

  • 1,104 institutional investors held Biogen (BIIB) as of Q2 2021, up from 1,093 in Q1 2021.
  • Funds reported $43.5B of Biogen stock for Q2 2021, up 22% quarter-over-quarter.
  • 136 funds opened new Biogen positions in Q2 2021 and 110 closed out, a net change of +26 holders.
  • The largest Biogen buyer in Q2 2021 was JP Morgan Chase, an estimated $445M added.
  • The largest Biogen seller in Q2 2021 was Renaissance Technologies, an estimated $184M sold.

Based on aggregated 13F filings for Q2 2021.