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Boston Scientific
BSX

Overview Fund Activity

825 hedge funds and large institutions have $50.1B invested in Boston Scientific in 2021 Q1 according to their latest regulatory filings, with 86 funds opening new positions, 292 increasing their positions, 303 reducing their positions, and 111 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
825
Holders Change
-32
Holders Change %
-3.73%
% of All Funds
14.53%
Holding in Top 10
10
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-33.33%
% of All Funds
0.18%
New
86
Increased
292
Reduced
303
Closed
111
Calls
$208M
Puts
$307M
Net Calls
-$98.8M
Net Calls Change
-$11.8M

Top Buyers

1
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$3.19B
2
Fidelity Investments
Fidelity Investments
Massachusetts
$3.33B
3
Wellington Management Group
Wellington Management Group
Massachusetts
$3.5B
4
Parnassus Investments
Parnassus Investments
California
$342M
5
DZ Bank
DZ Bank
Germany
$554M

Top Sellers

1
Viking Global Investors
Viking Global Investors
Connecticut
$692M
2
D.E. Shaw & Co
D.E. Shaw & Co
New York
$67.3M
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$252M
4
Two Sigma Investments
Two Sigma Investments
New York
$22M
5
Citadel Advisors
Citadel Advisors
Florida
$32.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
WIM
826
Westside Investment Management
California
$24 – – –
CG
827
Carmignac Gestion
France
– -$115M -3,212,394 Closed
Renaissance Technologies
828
Renaissance Technologies
New York
– -$99.6M -2,771,205 Closed
BTP
829
Bloom Tree Partners
New York
– -$60.6M -1,684,730 Closed
Sands Capital Management
830
Sands Capital Management
Virginia
– -$58.3M -1,622,282 Closed
Voloridge Investment Management
831
Voloridge Investment Management
Florida
– -$49.2M -1,369,526 Closed
BWC
832
Blue Whale Capital
United Kingdom
– -$38.2M -1,062,458 Closed
YCMGA
833
York Capital Management Global Advisors
New York
– -$26.2M -728,734 Closed
AAM
834
Aureus Asset Management
Massachusetts
– -$24M -667,048 Closed
Capital Fund Management (CFM)
835
Capital Fund Management (CFM)
France
– -$23.3M -647,240 Closed
SC
836
Sculptor Capital
New York
– -$20.8M -578,643 Closed
AC
837
Armistice Capital
New York
– -$18M -500,000 Closed
ERSOT
838
Employees Retirement System of Texas
Texas
– -$13.5M -374,800 Closed
CAM
839
Camden Asset Management
California
– -$11.8M -327,904 Closed
QC
840
Quadrature Capital
United Kingdom
– -$9.63M -267,731 Closed
ICM
841
III Capital Management
Florida
– -$9.31M -259,000 Closed
Arrowstreet Capital
842
Arrowstreet Capital
Massachusetts
– -$8.73M -242,898 Closed
Temasek Holdings
843
Temasek Holdings
Singapore
– -$8.36M -232,545 Closed
WAM
844
Weiss Asset Management
Massachusetts
– -$7.62M -211,835 Closed
MSA
845
Mason Street Advisors
Wisconsin
– -$7.1M -197,530 Closed
BCM
846
BlueCrest Capital Management
Jersey
– -$6.59M -183,363 Closed
TCA
847
Taconic Capital Advisors
New York
– -$5.39M -150,000 Closed
QT
848
Quantbot Technologies
New York
– -$5.37M -149,290 Closed
Capstone Investment Advisors
849
Capstone Investment Advisors
New York
– -$4.72M -131,325 Closed
DCM
850
DG Capital Management
New York
– -$4.16M -115,620 Closed
32 33
34
35 36