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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
Wolverine Trading
901
Wolverine Trading
Illinois
$1.08M
BBA
902
Baader Bank Aktiengesellschaft
Germany
$1.08M
CBT
903
Central Bank & Trust
Kentucky
$1.08M
PWPS
904
Pinnacle Wealth Planning Services
Ohio
$1.06M
AG
905
AlTi Global
New York
$1.05M
ATS
906
Ashton Thomas Securities
New York
$1.05M
GWM
907
Gibbs Wealth Management
Georgia
$1.05M
FPAS
908
Focus Partners Advisor Solutions
Missouri
$1.05M
CBA
909
Coastal Bridge Advisors
Connecticut
$1.04M
SAG
910
SageView Advisory Group
California
$1.03M
PL
911
Parthenon LLC
Kentucky
$1.03M
CCA
912
Checchi Capital Advisers
California
$1.03M
KHCM
913
Kirtland Hills Capital Management
Ohio
$1.02M
MPI
914
Mairs & Power Inc
Minnesota
$1.01M
HIA
915
Harbor Investment Advisory
Maryland
$1M
GWP
916
Gen-Wealth Partners
Michigan
$999K
TCM
917
Tufton Capital Management
Maryland
$997K
KIA
918
KCM Investment Advisors
California
$996K
GAM
919
Gould Asset Management
California
$996K
HT
920
HAP Trading
New York
$996K
MT
921
Midwest Trust
Kansas
$988K
KNW
922
Kesler Norman & Wride
Utah
$988K
LWCFA
923
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$984K
NL
924
NVWM LLC
Pennsylvania
$983K
CMI
925
Clare Market Investments
Texas
$981K