BSX icon

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
Point72 Asset Management
126
Point72 Asset Management
Connecticut
$159M
CI Investments Inc
127
CI Investments Inc
Ontario, Canada
$158M
Balyasny Asset Management
128
Balyasny Asset Management
Illinois
$152M
Allianz Asset Management
129
Allianz Asset Management
Germany
$146M
Ensign Peak Advisors
130
Ensign Peak Advisors
Utah
$144M
Korea Investment Corp
131
Korea Investment Corp
South Korea
$143M
HNB
132
Huntington National Bank
Ohio
$139M
CIBC Private Wealth Group
133
CIBC Private Wealth Group
Georgia
$135M
Adage Capital Partners
134
Adage Capital Partners
Massachusetts
$132M
State Board of Administration of Florida Retirement System
135
State Board of Administration of Florida Retirement System
Florida
$132M
Caisse de Depot et Placement du Quebec (CDPQ)
136
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$131M
Prudential Financial
137
Prudential Financial
New Jersey
$130M
Universal-Beteiligungs- und Servicegesellschaft
138
Universal-Beteiligungs- und Servicegesellschaft
Germany
$130M
GAM
139
Groupama Asset Management
France
$130M
TG
140
TCW Group
California
$130M
Public Employees Retirement Association of Colorado
141
Public Employees Retirement Association of Colorado
Colorado
$125M
CS
142
Candriam SCA
Luxembourg
$122M
MP
143
Munro Partners
Australia
$121M
Cerity Partners
144
Cerity Partners
New York
$120M
PNC Financial Services Group
145
PNC Financial Services Group
Pennsylvania
$119M
New York State Teachers Retirement System (NYSTRS)
146
New York State Teachers Retirement System (NYSTRS)
New York
$119M
Aviva
147
Aviva
United Kingdom
$115M
AQR Capital Management
148
AQR Capital Management
Connecticut
$114M
Lord, Abbett & Co
149
Lord, Abbett & Co
New Jersey
$110M
GGHC
150
Gilder Gagnon Howe & Co
New York
$108M