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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
BA
926
Bridgewater Advisors
New York
$981K
LFAS
927
Level Four Advisory Services
Texas
$979K
EW
928
Evoke Wealth
California
$978K
GITFIT
929
Generali Investments Towarzystwo Funduszy Inwestycyjnych (TFI)
Poland
$976K
Winslow Capital Management
930
Winslow Capital Management
Minnesota
$970K
LHC
931
Little House Capital
Massachusetts
$969K
SCM
932
Silvant Capital Management
Georgia
$969K
NL
933
Navalign LLC
California
$964K
RAM
934
Ramirez Asset Management
New York
$960K
SBFM
935
S-Bank Fund Management
Finland
$958K
GSEP
936
Golden State Equity Partners
California
$957K
BTD
937
BankPlus Trust Department
Mississippi
$956K
FFO
938
Fiduciary Family Office
Florida
$956K
FMLI
939
Fukoku Mutual Life Insurance
Japan
$953K
MWM
940
MGB Wealth Management
Texas
$952K
KBFS
941
Kohmann Bosshard Financial Services
Ohio
$951K
DAS
942
Diversify Advisory Services
Utah
$932K
AW
943
Alteri Wealth
California
$929K
AIM
944
Anchor Investment Management
South Carolina
$929K
HBT
945
Heartland Bank & Trust
Illinois
$921K
CCMG
946
Clark Capital Management Group
Pennsylvania
$921K
AGA
947
Arkos Global Advisors
Texas
$914K
GS
948
GTS Securities
New York
$903K
WWM
949
Waterway Wealth Management
Texas
$902K
GI
950
GLOBALT Investments
Georgia
$901K