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Boston Scientific

1,699 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, 764 increasing their positions, 552 reducing their positions, and 132 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: 91.28%90.4% (-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
1,699
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
Name Holding Trade Value Shares
Change
Change in
Stake
SAM
701
Smartleaf Asset Management
Massachusetts
$2.29M
PS
702
Principal Securities
Iowa
$2.28M
KeyBank National Association
703
KeyBank National Association
Ohio
$2.27M
MFS
704
Mattson Financial Services
Michigan
$2.25M
SWM
705
Spire Wealth Management
Virginia
$2.25M
SCA
706
Snowden Capital Advisors
New York
$2.24M
WR
707
WD Rutherford
Oregon
$2.23M
FRM
708
Fox Run Management
Connecticut
$2.21M
VFA
709
Valeo Financial Advisors
Indiana
$2.21M
FC
710
Farringdon Capital
United Kingdom
$2.2M
QPBE
711
Quintet Private Bank (Europe)
Luxembourg
$2.18M
SWP
712
Stratos Wealth Partners
Ohio
$2.17M
ECM
713
Eisler Capital Management
United Kingdom
$2.17M
AAM
714
Azzad Asset Management
Virginia
$2.16M
SAM
715
Sectoral Asset Management
Quebec, Canada
$2.16M
SC
716
Savant Capital
Illinois
$2.15M
PIMJS
717
PKO Investment Management Joint-Stock
Poland
$2.15M
SC
718
Stance Capital
Massachusetts
$2.15M
IWC
719
Integrated Wealth Concepts
Massachusetts
$2.14M
SFP
720
Shepherd Financial Partners
Massachusetts
$2.14M
PWG
721
Portside Wealth Group
Utah
$2.13M
SAI
722
Systematic Alpha Investments
New Jersey
$2.12M
BONH
723
Bank of New Hampshire
New Hampshire
$2.11M
WPC
724
Wedmont Private Capital
Pennsylvania
$2.11M
HCA
725
Harbor Capital Advisors
Illinois
$2.11M