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Boston Scientific

1,778 hedge funds and large institutions have $130B invested in Boston Scientific in 2025 Q4 according to their latest regulatory filings, with 231 funds opening new positions, 671 increasing their positions, 683 reducing their positions, and 126 closing their positions.

New
Increased
Maintained
Reduced
Closed

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:

more ownership

Funds ownership:

1% less capital invested

Capital invested by funds: $131B → $130B (-$922M)

2% less repeat investments, than reductions

Existing positions increased: 671 | Existing positions reduced: 683

5% less funds holding in top 10

Funds holding in top 10: 3937 (-2)

Holders
1,778
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
37
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$987M
Puts
$872M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
A
151
AustralianSuper
Australia
$118M
CI Investments Inc
152
CI Investments Inc
Ontario, Canada
$116M
BT
153
Banque Transatlantique
France
$115M
New York State Teachers Retirement System (NYSTRS)
154
New York State Teachers Retirement System (NYSTRS)
New York
$115M
PNC Financial Services Group
155
PNC Financial Services Group
Pennsylvania
$113M
Canada Life
156
Canada Life
Manitoba, Canada
$111M
Capital Fund Management (CFM)
157
Capital Fund Management (CFM)
France
$110M
TAF
158
Tredje AP-fonden
Sweden
$109M
CS
159
Candriam SCA
Luxembourg
$108M
AQR Capital Management
160
AQR Capital Management
Connecticut
$105M
FAM
161
Fred Alger Management
New York
$105M
CIBC Private Wealth Group
162
CIBC Private Wealth Group
Georgia
$105M
Public Employees Retirement Association of Colorado
163
Public Employees Retirement Association of Colorado
Colorado
$103M
Acadian Asset Management
164
Acadian Asset Management
Massachusetts
$103M
GGHC
165
Gilder Gagnon Howe & Co
New York
$103M
Manulife (Manufacturers Life Insurance)
166
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$98.2M
Toronto Dominion Bank
167
Toronto Dominion Bank
Ontario, Canada
$97.6M
PA
168
Perceptive Advisors
New York
$93.3M
AT
169
AMF Tjänstepension
Sweden
$90.9M
PPF
170
PFA Pension Forsikringsaktieselskab
$88.9M
Nomura Asset Management
171
Nomura Asset Management
Japan
$86.5M
SO
172
STRS Ohio
Ohio
$85M
Asset Management One
173
Asset Management One
Japan
$84.1M
Calamos Advisors
174
Calamos Advisors
Illinois
$83.1M
DB
175
Danske Bank
Denmark
$82.5M