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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
SBIA
851
Sheaff Brock Investment Advisors
Indiana
$246K -$18.2K -60 -8%
MP
852
McDonald Partners
Ohio
$245K -$28.8K -95 -12%
PWPS
853
Pinnacle Wealth Planning Services
Ohio
$245K -$2.12K -7 -1%
FFS
854
Founders Financial Securities
Maryland
$245K +$214K +707 New
Lido Advisors
855
Lido Advisors
California
$244K +$214K +705 New
RHBC
856
R.H. Bluestein & Co
Michigan
$244K +$214K +705 New
IAIM
857
International Assets Investment Management
Florida
$238K +$63.6K +210 +5%
BCM
858
Brookstone Capital Management
Illinois
$238K +$205K +676 New
PM
859
Parametrica Management
Hong Kong
$236K -$2.02M -6,672 -91%
EM
860
Excalibur Management
Massachusetts
$236K +$207K +682 New
MMPW
861
Mitchell McLeod Pugh & Williams
Alabama
$234K +$204K +675 New
MPM
862
Meritage Portfolio Management
Kansas
$234K +$205K +677 New
HAIM
863
Hunter Associates Investment Management
Pennsylvania
$232K -$27.3K -90 -12%
MCM
864
Manchester Capital Management
Vermont
$232K – – –
MCM
865
Maple Capital Management
Vermont
$229K +$203K +670 New
ATC
866
Argent Trust Co
Tennessee
$228K +$200K +660 New
KF
867
Krilogy Financial
Missouri
$227K +$198K +655 New
MG
868
Mather Group
Illinois
$226K -$24.8K -82 -11%
TNB
869
Thomasville National Bank
Georgia
$225K -$4.31M -14,242 -96%
ISL
870
Ingalls & Snyder LLC
New York
$225K -$21.2K -70 -10%
FMLI
871
Fukoku Mutual Life Insurance
Japan
$225K – – –
WIC
872
Whitegate Investment Counselors
New Hampshire
$225K +$197K +650 New
LIM
873
Leavell Investment Management
Alabama
$224K – – –
JGGDR
874
JGP Global Gestao de Recursos
Brazil
$224K +$196K +648 New
FPCM
875
Financial Partners Capital Management
New York
$224K +$196K +646 New
33 34
35
36 37

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.