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Boston Scientific
BSX

Overview Fund Activity

1,661 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
1,661
Holders Change
+41
Holders Change %
+2.53%
% of All Funds
22.26%
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 %
Fuller & Thaler Asset Management
951
Fuller & Thaler Asset Management
California
$814K – – –
ACM
952
AUA Capital Management
Pennsylvania
$814K – – –
MSFS
953
Main Street Financial Solutions
Pennsylvania
$812K +$212K +1,971 +35%
TFIPS
954
Towarzystwo Funduszy Inwestycyjnych PZU SA
$810K -$170K -1,582 -17%
DG
955
DMC Group
Alabama
$808K -$34.2K -318 -4%
NP
956
Ninepoint Partners
Ontario, Canada
$806K -$61.9K -576 -7%
DS
957
DRW Securities
Illinois
$796K +$796K +7,413 New
JAG
958
Journey Advisory Group
Kentucky
$795K +$53.7K +500 +7%
NICM
959
Neo Ivy Capital Management
New York
$794K +$794K +7,392 New
SW
960
SVB Wealth
Massachusetts
$794K +$794K +7,388 New
GFA
961
Gallagher Fiduciary Advisors
Illinois
$792K +$28.2K +263 +4%
BIAS
962
Beacon Investment Advisory Services
New Jersey
$790K -$343K -3,190 -30%
TWM
963
Thrive Wealth Management
Pennsylvania
$787K +$787K +7,324 New
CAM
964
Close Asset Management
United Kingdom
$786K – – –
BL
965
BFSG LLC
California
$785K -$1.61K -15 -0.2%
A
966
AlphaQuest
New York
$784K -$1.53M -14,238 -66%
WWM
967
Wolff Wiese Magana
California
$783K +$41.9K +390 +6%
FWP
968
FAS Wealth Partners
Kansas
$782K +$1.61K +15 +0.2%
CDIEC
969
Crédit Industriel et Commercial
France
$779K +$779K +7,256 New
AA
970
Alta Advisers
United Kingdom
$777K – – –
SWA
971
Stratos Wealth Advisors
Ohio
$769K +$83.6K +778 +12%
SPC
972
Sigma Planning Corp
Michigan
$764K +$54.6K +508 +8%
SAM
973
Simplify Asset Management
Nevada
$763K +$763K +7,103 New
HIP
974
HUB Investment Partners
Texas
$763K +$275K +2,556 +56%
CI
975
Corient IA
Florida
$752K – – –
37 38
39
40 41