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Boston Scientific
BSX

Overview Fund Activity

1,660 hedge funds and large institutions have $145B invested in Boston Scientific in 2025 Q2 according to their latest regulatory filings, with 151 funds opening new positions, 744 increasing their positions, 539 reducing their positions, and 86 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,660
Holders Change
+40
Holders Change %
+2.47%
% of All Funds
22.25%
Holding in Top 10
40
Holding in Top 10 Change
-10
Holding in Top 10 Change %
-20%
% of All Funds
0.54%
New
151
Increased
744
Reduced
539
Closed
86
Calls
$1.08B
Puts
$859M
Net Calls
+$225M
Net Calls Change
-$30.7M

Top Buyers

1
Edgewood Management
Edgewood Management
Connecticut
+$747M
2
BlackRock
BlackRock
New York
+$539M
3
VOYA Investment Management
VOYA Investment Management
Georgia
+$514M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$313M
5
Bessemer Group
Bessemer Group
New Jersey
+$311M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$2.18B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$630M
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$393M
4
Millennium Management
Millennium Management
New York
-$355M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
-$284M
Name Holding Trade Value Shares
Change 		Shares
Change %
CSP
701
Cary Street Partners
Virginia
$2.01M +$250K +2,332 +14%
MAM
702
Martingale Asset Management
Massachusetts
$2M -$170K -1,582 -8%
LJAC
703
L.J. Altfest & Co
New York
$1.98M +$416K +3,872 +27%
EH
704
Equitable Holdings
New York
$1.96M +$133K +1,238 +7%
VIS
705
Vega Investment Solutions
France
$1.96M +$523K +4,868 +36%
AC
706
Avestar Capital
New York
$1.96M +$143K +1,332 +8%
MGIA
707
Moneta Group Investment Advisors
Missouri
$1.96M -$220K -2,044 -10%
BWP
708
BlueStem Wealth Partners
Minnesota
$1.93M +$183K +1,704 +10%
VA
709
VestGen Advisors
Illinois
$1.93M +$1.04M +9,656 +116%
MA
710
Montag & Associates
Georgia
$1.91M +$1.56M +14,509 +442%
PS
711
Principal Securities
Iowa
$1.91M +$755K +7,029 +65%
BEI
712
Benjamin Edwards Inc
Missouri
$1.91M +$210K +1,958 +12%
QI
713
Qtron Investments
Massachusetts
$1.91M – – –
AFG
714
Allegheny Financial Group
Pennsylvania
$1.9M +$1.07K +10 +0.1%
WFC
715
Western Financial Corp
California
$1.89M +$1.02M +9,465 +116%
FSA
716
Fort Sheridan Advisors
Illinois
$1.87M -$752 -7 -0%
SAM
717
Smartleaf Asset Management
Massachusetts
$1.87M -$252K -2,365 -12%
TE
718
Tema ETFs
New York
$1.86M -$96.3K -897 -5%
AWMT
719
AAFMAA Wealth Management & Trust
North Carolina
$1.85M -$765K -7,118 -29%
HCM
720
Highview Capital Management
Illinois
$1.84M -$899K -8,369 -33%
EWM
721
EPG Wealth Management
Georgia
$1.83M +$87.4K +814 +5%
CAM
722
Cresset Asset Management
Illinois
$1.82M +$331K +3,081 +22%
ATC
723
Argent Trust Co
Tennessee
$1.82M -$104K -966 -5%
TAM
724
Trust Asset Management
Texas
$1.82M – – –
WIA
725
World Investment Advisors
California
$1.81M +$436K +4,061 +32%
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