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Boston Scientific

1,691 hedge funds and large institutions have $131B invested in Boston Scientific in 2025 Q3 according to their latest regulatory filings, with 177 funds opening new positions, 762 increasing their positions, 548 reducing their positions, and 133 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

0.88% less ownership

Funds ownership: 91.29%90.41% (-0.88%)

7% less funds holding in top 10

Funds holding in top 10: 4239 (-3)

10% less capital invested

Capital invested by funds: $145B → $131B (-$14.2B)

Holders
1,691
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
39
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.13B
Puts
$989M
Net Calls
Net Calls Change

Top Buyers

1 +$671M
2 +$547M
3 +$358M
4
Millennium Management
Millennium Management
New York
+$357M
5
Citadel Advisors
Citadel Advisors
Florida
+$342M
Name Holding Trade Value Shares
Change
Change in
Stake
AA
801
ALPS Advisors
Colorado
$1.56M
PFGIA
802
Patriot Financial Group Insurance Agency
Massachusetts
$1.56M
DWT
803
Dorsey & Whitney Trust
South Dakota
$1.55M
WCA
804
Westover Capital Advisors
Delaware
$1.55M
SWP
805
Sagespring Wealth Partners
Tennessee
$1.54M
AW
806
Alaethes Wealth
Nevada
$1.54M
PPWM
807
Paragon Private Wealth Management
Kentucky
$1.54M
SC
808
Scotia Capital
Ontario, Canada
$1.53M
CMAI
809
Capital Management Associates Inc
Minnesota
$1.53M
IAS
810
Insigneo Advisory Services
Florida
$1.53M
SFPG
811
Stonebridge Financial Planning Group
Florida
$1.52M
AC
812
Avestar Capital
New York
$1.52M
TF
813
TLWM Financial
Texas
$1.51M
PJSIMP
814
P.J. Schmidt Investment Management (PJS)
Wisconsin
$1.5M
VRM
815
Vectors Research Management
New York
$1.49M
MAM
816
Martingale Asset Management
Massachusetts
$1.49M
RZH
817
Relyea Zuckerberg Hanson
Connecticut
$1.49M
DADC
818
D.A. Davidson & Co
Montana
$1.49M
NG
819
Norden Group
Utah
$1.49M
IIA
820
IPG Investment Advisors
California
$1.49M
P
821
Pitcairn
Pennsylvania
$1.48M
CIA
822
Concurrent Investment Advisors
Florida
$1.48M
SCM
823
Sterling Capital Management
North Carolina
$1.47M
IFU
824
iSAM Funds (UK)
United Kingdom
$1.47M
FFM
825
Forum Financial Management
Illinois
$1.47M