BSX icon

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, 760 increasing their positions, 549 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:

1.08% less ownership

Funds ownership: 91.29%90.2% (-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
DWA
1676
Delos Wealth Advisors
Texas
$1.66K
PIS
1677
POM Investment Strategies
North Carolina
$1.56K
HIA
1678
HFM Investment Advisors
New Jersey
$1.46K
CMA
1679
Cedar Mountain Advisors
Oregon
$1.27K
NECFA
1680
New England Capital Financial Advisors
Connecticut
$1.17K
MWM
1681
Mascoma Wealth Management
New Hampshire
$976
EFMH
1682
E Fund Management (HK)
Hong Kong
$879
SA
1683
Seneschal Advisors
Washington
$879
DCM
1684
Davis Capital Management
Florida
$781
WOC
1685
West Oak Capital
California
$708
SHIM
1686
Stone House Investment Management
Pennsylvania
$683
WBC
1687
West Branch Capital
Massachusetts
$586
IW
1688
Imprint Wealth
South Carolina
$586
FPF
1689
First Pacific Financial
Washington
$586
RJA
1690
Ross\Johnson & Associates
Minnesota
$293
Norges Bank
1691
Norges Bank
Norway
ZIG
1692
Zurich Insurance Group
Switzerland
SCM
1693
Steadfast Capital Management
New York
TPSF
1694
Texas Permanent School Fund
Texas
PI
1695
PGGM Investments
Netherlands
STP
1696
Science & Technology Partners
New York
FTM
1697
First Turn Management
California
Simplex Trading
1698
Simplex Trading
Illinois
NCM
1699
Nearwater Capital Markets
Ireland
VC
1700
Vestor Capital
Illinois