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Boston Scientific

1,763 hedge funds and large institutions have $130B invested in Boston Scientific in 2025 Q4 according to their latest regulatory filings, with 222 funds opening new positions, 670 increasing their positions, 680 reducing their positions, and 123 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 (-$820M)

1% less repeat investments, than reductions

Existing positions increased: 670 | Existing positions reduced: 680

5% less funds holding in top 10

Funds holding in top 10: 3937 (-2)

Holders
1,763
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
$983M
Puts
$868M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
TM
426
Taproot Management
New York
$11.3M
CWM
427
Calamos Wealth Management
Illinois
$11.2M
William Blair & Company
428
William Blair & Company
Illinois
$11.1M
FNT
429
First National Trust
Pennsylvania
$11.1M
TRSOTSOK
430
Teachers Retirement System of the State of Kentucky
Kentucky
$11M
MSU
431
Mizuho Securities USA
New York
$11M
QT
432
Quantbot Technologies
New York
$10.9M
APM
433
Avidity Partners Management
Texas
$10.9M
AC
434
Armistice Capital
New York
$10.9M
AC
435
Allstate Corporation
Illinois
$10.7M
WF
436
Welch & Forbes
Massachusetts
$10.7M
GI
437
GAMCO Investors
Connecticut
$10.6M
BPWM
438
Badgley Phelps Wealth Managers
Washington
$10.5M
HP
439
HealthInvest Partners
Sweden
$10.4M
HFS
440
Hantz Financial Services
Michigan
$10.3M
GT
441
Glenmede Trust
Pennsylvania
$10.3M
CBUSF
442
Construction & Building Unions Superannuation Fund
Australia
$10.3M
MCM
443
Mill Capital Management
North Carolina
$10.2M
AssetMark Inc
444
AssetMark Inc
California
$10.1M
Nomura Holdings
445
Nomura Holdings
Japan
$10.1M
HWAM
446
Hennion & Walsh Asset Management
New Jersey
$9.88M
NPPM
447
North Point Portfolio Managers
Ohio
$9.86M
CA
448
Cornerstone Advisors
North Carolina
$9.84M
Mercer Global Advisors
449
Mercer Global Advisors
Colorado
$9.84M
M&T Bank
450
M&T Bank
New York
$9.83M