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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
OPERF
351
Oregon Public Employees Retirement Fund
Oregon
$16.5M
SC
352
SouthState Corp
Florida
$16.5M
KAS
353
Kestra Advisory Services
Texas
$16.4M
EMPI
354
Elo Mutual Pension Insurance
Finland
$16.4M
Rafferty Asset Management
355
Rafferty Asset Management
New York
$16.1M
APM
356
Avidity Partners Management
Texas
$16M
QCM
357
QRG Capital Management
Illinois
$16M
IMRF
358
Illinois Municipal Retirement Fund
Illinois
$16M
MCM
359
MAI Capital Management
Ohio
$15.9M
AIM
360
Avity Investment Management
Connecticut
$15.9M
NRI
361
NFP Retirement Inc
California
$15.8M
AF
362
Avanza Fonder
Sweden
$15.8M
MOACM
363
Mutual of America Capital Management
New York
$15.7M
BA
364
Bridgewater Associates
Connecticut
$15.6M
SLAML
365
Swiss Life Asset Management Ltd
$15.6M
SOADOR
366
State of Alaska Department of Revenue
Alaska
$15.5M
BPCE
367
Bank Pictet & Cie (Europe)
Germany
$15.4M
CTI
368
Community Trust & Investment
Kentucky
$15.1M
CWM
369
Calamos Wealth Management
Illinois
$15.1M
JCM
370
Jag Capital Management
Missouri
$15.1M
ZDA
371
Zweig-DiMenna Associates
New York
$15.1M
GC
372
Guggenheim Capital
Illinois
$14.8M
CIBC World Market
373
CIBC World Market
Ontario, Canada
$14.5M
Pathstone Holdings
374
Pathstone Holdings
New Jersey
$14.5M
WG
375
Winton Group
United Kingdom
$14.4M