BSX icon

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
Mariner
226
Mariner
Kansas
$40.3M
PD
227
Point72 (DIFC)
United Arab Emirates
$39.9M
SG Americas Securities
228
SG Americas Securities
New York
$39.6M
LA
229
LBP AM
France
$39.1M
SOMRS
230
State of Michigan Retirement System
Michigan
$39.1M
DnB Asset Management
231
DnB Asset Management
Norway
$39M
EOJOAM
232
E. Ohman J:or Asset Management
Sweden
$38.8M
GIM
233
Generate Investment Management
New Zealand
$38.6M
Nisa Investment Advisors
234
Nisa Investment Advisors
Missouri
$38.2M
JF
235
Jump Financial
Illinois
$37.6M
MIM
236
MetLife Investment Management
New Jersey
$37.1M
CNB
237
Czech National Bank
Czech Republic
$36.7M
ABC
238
Associated Banc-Corp
Wisconsin
$36.4M
DILIC
239
Dai-ichi Life Insurance Company
Japan
$36.3M
FAF
240
Första AP-fonden
Sweden
$35.7M
RSCM
241
Rock Springs Capital Management
Maryland
$35.2M
NP
242
NS Partners
United Kingdom
$35M
COPPSERS
243
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$34.7M
CFB
244
Cullen/Frost Bankers
Texas
$34.7M
SCM
245
Suvretta Capital Management
New York
$34.5M
Los Angeles Capital Management
246
Los Angeles Capital Management
California
$34.4M
US Bancorp
247
US Bancorp
Minnesota
$34.1M
Rockefeller Capital Management
248
Rockefeller Capital Management
New York
$34.1M
PMAM
249
Picton Mahoney Asset Management
Ontario, Canada
$33.2M
FLPIM
250
F.L. Putnam Investment Management
Massachusetts
$32.8M