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Boston Scientific

1,679 hedge funds and large institutions have $130B invested in Boston Scientific in 2025 Q3 according to their latest regulatory filings, with 179 funds opening new positions, 756 increasing their positions, 544 reducing their positions, and 132 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,679
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
WBC
1676
West Branch Capital
Massachusetts
$586
FPF
1677
First Pacific Financial
Washington
$586
IW
1678
Imprint Wealth
South Carolina
$586
RJA
1679
Ross\Johnson & Associates
Minnesota
$293
Norges Bank
1680
Norges Bank
Norway
ZIG
1681
Zurich Insurance Group
Switzerland
SCM
1682
Steadfast Capital Management
New York
TPSF
1683
Texas Permanent School Fund
Texas
PI
1684
PGGM Investments
Netherlands
STP
1685
Science & Technology Partners
New York
FTM
1686
First Turn Management
California
Simplex Trading
1687
Simplex Trading
Illinois
NCM
1688
Nearwater Capital Markets
Ireland
VC
1689
Vestor Capital
Illinois
PFM
1690
Premier Fund Managers
United Kingdom
LOAME
1691
Lombard Odier Asset Management (Europe)
United Kingdom
RG
1692
Redmile Group
California
PAMP
1693
Polar Asset Management Partners
Ontario, Canada
NC
1694
NewSquare Capital
Pennsylvania
ACM
1695
Aubrey Capital Management
United Kingdom
NIP
1696
Nicholas Investment Partners
California
LAM
1697
LECAP Asset Management
United Kingdom
BCM
1698
Barometer Capital Management
Ontario, Canada
ORAM
1699
One River Asset Management
Connecticut
QIM
1700
Quantitative Investment Management
Virginia