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Boston Scientific

1,763 hedge funds and large institutions have $130B invested in Boston Scientific in 2025 Q4 according to their latest regulatory filings, with 222 funds opening new positions, 670 increasing their positions, 680 reducing their positions, and 123 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 (-$820M)

1% less repeat investments, than reductions

Existing positions increased: 670 | Existing positions reduced: 680

5% less funds holding in top 10

Funds holding in top 10: 3937 (-2)

Holders
1,763
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
$983M
Puts
$868M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CI Investments Inc
151
CI Investments Inc
Ontario, Canada
$116M
BT
152
Banque Transatlantique
France
$115M
New York State Teachers Retirement System (NYSTRS)
153
New York State Teachers Retirement System (NYSTRS)
New York
$115M
PNC Financial Services Group
154
PNC Financial Services Group
Pennsylvania
$113M
Canada Life
155
Canada Life
Manitoba, Canada
$111M
Capital Fund Management (CFM)
156
Capital Fund Management (CFM)
France
$110M
TAF
157
Tredje AP-fonden
Sweden
$109M
CS
158
Candriam SCA
Luxembourg
$108M
AQR Capital Management
159
AQR Capital Management
Connecticut
$105M
FAM
160
Fred Alger Management
New York
$105M
CIBC Private Wealth Group
161
CIBC Private Wealth Group
Georgia
$105M
Public Employees Retirement Association of Colorado
162
Public Employees Retirement Association of Colorado
Colorado
$103M
Acadian Asset Management
163
Acadian Asset Management
Massachusetts
$103M
GGHC
164
Gilder Gagnon Howe & Co
New York
$103M
Manulife (Manufacturers Life Insurance)
165
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$98.2M
Toronto Dominion Bank
166
Toronto Dominion Bank
Ontario, Canada
$97.6M
PA
167
Perceptive Advisors
New York
$93.3M
AT
168
AMF Tjänstepension
Sweden
$90.9M
PPF
169
PFA Pension Forsikringsaktieselskab
$88.9M
Nomura Asset Management
170
Nomura Asset Management
Japan
$86.5M
SO
171
STRS Ohio
Ohio
$85M
Asset Management One
172
Asset Management One
Japan
$84.1M
Calamos Advisors
173
Calamos Advisors
Illinois
$83.1M
DB
174
Danske Bank
Denmark
$82.5M
APG Asset Management
175
APG Asset Management
Netherlands
$80.3M