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Boston Scientific

1,673 hedge funds and large institutions have $145B invested in Boston Scientific in 2025 Q2 according to their latest regulatory filings, with 154 funds opening new positions, 746 increasing their positions, 545 reducing their positions, and 88 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,673
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
40
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.08B
Puts
$859M
Net Calls
Net Calls Change

Top Buyers

1 +$747M
2 +$539M
3 +$514M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$313M
5
Bessemer Group
Bessemer Group
New Jersey
+$311M
Name Holding Trade Value Shares
Change
Change in
Stake
RAM
201
Resona Asset Management
Japan
$53M
N
202
Natixis
France
$52.6M
Hudson Bay Capital Management
203
Hudson Bay Capital Management
Connecticut
$52M
ACA
204
Anchor Capital Advisors
Massachusetts
$51.7M
TAM
205
Tocqueville Asset Management
New York
$51M
PCH
206
Polar Capital Holdings
United Kingdom
$48.8M
AV
207
ASR Vermogensbeheer
Netherlands
$48.8M
CSS
208
Cubist Systematic Strategies
Connecticut
$48.5M
DnB Asset Management
209
DnB Asset Management
Norway
$47.4M
ASRS
210
Arizona State Retirement System
Arizona
$46.4M
SI
211
Sofinnova Investments
California
$46.3M
First Trust Advisors
212
First Trust Advisors
Illinois
$46.1M
MCP
213
Meridiem Capital Partners
Texas
$45.8M
EOJOAM
214
E. Ohman J:or Asset Management
Sweden
$44.5M
BHC
215
Bowen Hanes & Co
Florida
$44.5M
OBAM
216
ODDO BHF Asset Management
France
$44.4M
SOMRS
217
State of Michigan Retirement System
Michigan
$43.2M
IIM
218
INTECH Investment Management
Florida
$42.2M
MIM
219
MetLife Investment Management
New Jersey
$41.7M
Nisa Investment Advisors
220
Nisa Investment Advisors
Missouri
$41.2M
MSR
221
Main Street Research
Connecticut
$41M
ABC
222
Associated Banc-Corp
Wisconsin
$40M
COPPSERS
223
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$39M
CNB
224
Czech National Bank
Czech Republic
$38.8M
CFB
225
Cullen/Frost Bankers
Texas
$38.8M