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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
FTDI
751
First Trust Direct Indexing
Massachusetts
$362K -$141K -464 -31%
SAM
752
Silvercrest Asset Management
New York
$361K +$30.3K +100 +11%
GWSG
753
GPS Wealth Strategies Group
Colorado
$356K -$22.7K -75 -7%
MPI
754
Mairs & Power Inc
Minnesota
$355K – – –
PHAM
755
Palisades Hudson Asset Management
Florida
$351K – – –
CA
756
Clearstead Advisors
Ohio
$351K +$149K +492 +94%
WIC
757
Willis Investment Counsel
Georgia
$350K +$3.03K +10 +1%
CIC
758
Cornercap Investment Counsel
Georgia
$349K -$3.49M -11,534 -92%
CCA
759
Checchi Capital Advisers
California
$346K -$29.4K -97 -9%
FGAM
760
Financial Gravity Asset Management
Texas
$346K -$1.51K -5 -12%
WA
761
WestEnd Advisors
North Carolina
$346K – – –
DA
762
DCF Advisers
Connecticut
$346K +$303K +1,000 New
DMBA
763
Deseret Mutual Benefit Administrators
Utah
$341K +$299K +986 New
AG
764
AIA Group
Hong Kong
$340K +$318K +1,049 New
PVH
765
Psagot Value Holdings
Israel
$338K – – –
FWM
766
Frontier Wealth Management
Missouri
$338K +$13K +43 +5%
NIM
767
NuWave Investment Management
New Jersey
$332K +$291K +959 New
GCC
768
Game Creek Capital
Massachusetts
$329K +$288K +950 New
NCMW
769
Northern Capital Management (Washington)
Washington
$328K – – –
GTAM
770
Global Trust Asset Management
Florida
$325K -$4.24K -14 -1%
RIG
771
RiverFront Investment Group
Virginia
$324K +$25.1K +83 +10%
NB
772
NBT Bank
New York
$322K – – –
BCM
773
BTR Capital Management
California
$322K +$281K +929 New
WF
774
Welch & Forbes
Massachusetts
$321K -$201K -665 -42%
FCH
775
Freestone Capital Holdings
Washington
$320K -$38.8K -128 -12%
29 30
31
32 33

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.