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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
SCB
201
Saudi Central Bank
Saudi Arabia
$52.7M
Capital Fund Management (CFM)
202
Capital Fund Management (CFM)
France
$52.7M
State of Tennessee, Department of Treasury
203
State of Tennessee, Department of Treasury
Tennessee
$51.9M
Focus Partners Wealth
204
Focus Partners Wealth
Massachusetts
$50.6M
State of New Jersey Common Pension Fund D
205
State of New Jersey Common Pension Fund D
New Jersey
$50.5M
QCM
206
Quantinno Capital Management
New York
$50M
SAM
207
Synergy Asset Management
Washington
$48.3M
SC
208
Samlyn Capital
New York
$47.5M
Hudson Bay Capital Management
209
Hudson Bay Capital Management
Connecticut
$47.4M
Victory Capital Management
210
Victory Capital Management
Texas
$47.2M
FFM
211
Fisher Funds Management
New Zealand
$47.2M
Susquehanna International Group
212
Susquehanna International Group
Pennsylvania
$47.1M
First Trust Advisors
213
First Trust Advisors
Illinois
$46.8M
EAM
214
Erste Asset Management
Austria
$46.4M
AV
215
ASR Vermogensbeheer
Netherlands
$46.1M
RAM
216
Resona Asset Management
Japan
$45.9M
WP
217
Woodline Partners
California
$45.2M
ACA
218
Anchor Capital Advisors
Massachusetts
$45.2M
BFS
219
Bradley Foster & Sargent
Connecticut
$44.3M
OBAM
220
ODDO BHF Asset Management
France
$44.1M
Osaic Holdings
221
Osaic Holdings
Arizona
$43.7M
TAM
222
Tocqueville Asset Management
New York
$43.6M
Cetera Investment Advisers
223
Cetera Investment Advisers
Illinois
$43.2M
RPAM
224
Rhenman & Partners Asset Management
Sweden
$42.8M
PHP
225
Parkman Healthcare Partners
Connecticut
$42.4M