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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
PHP
226
Parkman Healthcare Partners
Connecticut
$42.4M
TI
227
Trexquant Investment
Connecticut
$42.2M
ASRS
228
Arizona State Retirement System
Arizona
$42.2M
Mariner
229
Mariner
Kansas
$40.3M
PD
230
Point72 (DIFC)
United Arab Emirates
$39.9M
SG Americas Securities
231
SG Americas Securities
New York
$39.6M
LA
232
LBP AM
France
$39.1M
SOMRS
233
State of Michigan Retirement System
Michigan
$39.1M
DnB Asset Management
234
DnB Asset Management
Norway
$39M
EOJOAM
235
E. Ohman J:or Asset Management
Sweden
$38.8M
GIM
236
Generate Investment Management
New Zealand
$38.6M
Nisa Investment Advisors
237
Nisa Investment Advisors
Missouri
$38.2M
JF
238
Jump Financial
Illinois
$37.6M
MIM
239
MetLife Investment Management
New Jersey
$37.1M
CNB
240
Czech National Bank
Czech Republic
$36.7M
ABC
241
Associated Banc-Corp
Wisconsin
$36.4M
DILIC
242
Dai-ichi Life Insurance Company
Japan
$36.3M
FAF
243
Första AP-fonden
Sweden
$35.7M
RSCM
244
Rock Springs Capital Management
Maryland
$35.2M
NP
245
NS Partners
United Kingdom
$35M
COPPSERS
246
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$34.7M
CFB
247
Cullen/Frost Bankers
Texas
$34.7M
SCM
248
Suvretta Capital Management
New York
$34.5M
Los Angeles Capital Management
249
Los Angeles Capital Management
California
$34.4M
US Bancorp
250
US Bancorp
Minnesota
$34.1M