BSX icon

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
GWM
401
GDS Wealth Management
Texas
$11.9M
LF
402
Longbow Finance
Switzerland
$11.9M
FAB
403
First American Bank
Illinois
$11.9M
EF
404
Empowered Funds
Pennsylvania
$11.8M
NA
405
NewEdge Advisors
Louisiana
$11.6M
MSU
406
Mizuho Securities USA
New York
$11.4M
AssetMark Inc
407
AssetMark Inc
California
$11.3M
William Blair & Company
408
William Blair & Company
Illinois
$11.2M
Wealth Enhancement Advisory Services
409
Wealth Enhancement Advisory Services
Minnesota
$11.2M
FNT
410
First National Trust
Pennsylvania
$11.2M
IC
411
IEQ Capital
California
$11.1M
VRS
412
Virginia Retirement Systems
Virginia
$11.1M
WF
413
Welch & Forbes
Massachusetts
$10.9M
HT
414
Headlands Technologies
Illinois
$10.5M
HWAM
415
Hennion & Walsh Asset Management
New Jersey
$10.5M
BPWM
416
Badgley Phelps Wealth Managers
Washington
$10.4M
AG
417
AIA Group
Hong Kong
$10.3M
Mercer Global Advisors
418
Mercer Global Advisors
Colorado
$10.3M
DCM
419
Dupont Capital Management
Delaware
$10.3M
BBVA
420
Banco Bilbao Vizcaya Argentaria
Spain
$10.2M
CM
421
Caption Management
Oklahoma
$9.84M
GIM
422
Glenmede Investment Management
Pennsylvania
$9.67M
HI
423
Horizon Investments
North Carolina
$9.45M
Empower Advisory Group
424
Empower Advisory Group
Colorado
$9.45M
BP
425
BNP Paribas
France
$9.43M