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Boston Scientific

1,690 hedge funds and large institutions have $130B invested in Boston Scientific in 2025 Q3 according to their latest regulatory filings, with 177 funds opening new positions, 761 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:

1.08% less ownership

Funds ownership: 91.29%90.21% (-1.1%)

7% less funds holding in top 10

Funds holding in top 10: 4239 (-3)

10% less capital invested

Capital invested by funds: $145B → $130B (-$14.5B)

Holders
1,690
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
LFAS
926
Level Four Advisory Services
Texas
$979K
EW
927
Evoke Wealth
California
$978K
GITFIT
928
Generali Investments Towarzystwo Funduszy Inwestycyjnych (TFI)
Poland
$976K
Winslow Capital Management
929
Winslow Capital Management
Minnesota
$970K
LHC
930
Little House Capital
Massachusetts
$969K
SCM
931
Silvant Capital Management
Georgia
$969K
NL
932
Navalign LLC
California
$964K
RAM
933
Ramirez Asset Management
New York
$960K
SBFM
934
S-Bank Fund Management
Finland
$958K
GSEP
935
Golden State Equity Partners
California
$957K
BTD
936
BankPlus Trust Department
Mississippi
$956K
FFO
937
Fiduciary Family Office
Florida
$956K
FMLI
938
Fukoku Mutual Life Insurance
Japan
$953K
MWM
939
MGB Wealth Management
Texas
$952K
KBFS
940
Kohmann Bosshard Financial Services
Ohio
$951K
DAS
941
Diversify Advisory Services
Utah
$932K
AW
942
Alteri Wealth
California
$929K
AIM
943
Anchor Investment Management
South Carolina
$929K
HBT
944
Heartland Bank & Trust
Illinois
$921K
CCMG
945
Clark Capital Management Group
Pennsylvania
$921K
AGA
946
Arkos Global Advisors
Texas
$914K
GS
947
GTS Securities
New York
$903K
WWM
948
Waterway Wealth Management
Texas
$902K
GI
949
GLOBALT Investments
Georgia
$901K
HP
950
HealthInvest Partners
Sweden
$898K