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Boston Scientific

1,778 hedge funds and large institutions have $130B invested in Boston Scientific in 2025 Q4 according to their latest regulatory filings, with 231 funds opening new positions, 671 increasing their positions, 683 reducing their positions, and 126 closing their positions.

New
Increased
Maintained
Reduced
Closed

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:

more ownership

Funds ownership:

1% less capital invested

Capital invested by funds: $131B → $130B (-$922M)

2% less repeat investments, than reductions

Existing positions increased: 671 | Existing positions reduced: 683

5% less funds holding in top 10

Funds holding in top 10: 3937 (-2)

Holders
1,778
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
37
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$987M
Puts
$872M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
LIP
426
Liontrust Investment Partners
United Kingdom
$11.5M
TM
427
Taproot Management
New York
$11.3M
CWM
428
Calamos Wealth Management
Illinois
$11.2M
William Blair & Company
429
William Blair & Company
Illinois
$11.1M
FNT
430
First National Trust
Pennsylvania
$11.1M
TRSOTSOK
431
Teachers Retirement System of the State of Kentucky
Kentucky
$11M
MSU
432
Mizuho Securities USA
New York
$11M
QT
433
Quantbot Technologies
New York
$10.9M
APM
434
Avidity Partners Management
Texas
$10.9M
AC
435
Armistice Capital
New York
$10.9M
AC
436
Allstate Corporation
Illinois
$10.7M
WF
437
Welch & Forbes
Massachusetts
$10.7M
GI
438
GAMCO Investors
Connecticut
$10.6M
BPWM
439
Badgley Phelps Wealth Managers
Washington
$10.5M
HP
440
HealthInvest Partners
Sweden
$10.4M
HFS
441
Hantz Financial Services
Michigan
$10.3M
GT
442
Glenmede Trust
Pennsylvania
$10.3M
CBUSF
443
Construction & Building Unions Superannuation Fund
Australia
$10.3M
MCM
444
Mill Capital Management
North Carolina
$10.2M
AssetMark Inc
445
AssetMark Inc
California
$10.1M
Nomura Holdings
446
Nomura Holdings
Japan
$10.1M
HWAM
447
Hennion & Walsh Asset Management
New Jersey
$9.88M
NPPM
448
North Point Portfolio Managers
Ohio
$9.86M
CA
449
Cornerstone Advisors
North Carolina
$9.84M
Mercer Global Advisors
450
Mercer Global Advisors
Colorado
$9.84M