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Boston Scientific

1,701 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, 766 increasing their positions, 552 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:

0.87% less ownership

Funds ownership: 91.43%90.56% (-0.87%)

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
1,701
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
Name Holding Trade Value Shares
Change
Change in
Stake
N
201
Natixis
France
$53.3M
SCB
202
Saudi Central Bank
Saudi Arabia
$52.7M
Capital Fund Management (CFM)
203
Capital Fund Management (CFM)
France
$52.7M
State of Tennessee, Department of Treasury
204
State of Tennessee, Department of Treasury
Tennessee
$51.9M
Focus Partners Wealth
205
Focus Partners Wealth
Massachusetts
$50.6M
State of New Jersey Common Pension Fund D
206
State of New Jersey Common Pension Fund D
New Jersey
$50.5M
QCM
207
Quantinno Capital Management
New York
$50M
SAM
208
Synergy Asset Management
Washington
$48.3M
SC
209
Samlyn Capital
New York
$47.5M
Hudson Bay Capital Management
210
Hudson Bay Capital Management
Connecticut
$47.4M
Victory Capital Management
211
Victory Capital Management
Texas
$47.2M
FFM
212
Fisher Funds Management
New Zealand
$47.2M
Susquehanna International Group
213
Susquehanna International Group
Pennsylvania
$47.1M
First Trust Advisors
214
First Trust Advisors
Illinois
$46.8M
EAM
215
Erste Asset Management
Austria
$46.4M
AV
216
ASR Vermogensbeheer
Netherlands
$46.1M
RAM
217
Resona Asset Management
Japan
$45.9M
WP
218
Woodline Partners
California
$45.2M
ACA
219
Anchor Capital Advisors
Massachusetts
$45.2M
BFS
220
Bradley Foster & Sargent
Connecticut
$44.3M
OBAM
221
ODDO BHF Asset Management
France
$44.1M
Osaic Holdings
222
Osaic Holdings
Arizona
$43.7M
TAM
223
Tocqueville Asset Management
New York
$43.6M
Cetera Investment Advisers
224
Cetera Investment Advisers
Illinois
$43.2M
RPAM
225
Rhenman & Partners Asset Management
Sweden
$42.8M