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Boston Scientific

1,750 hedge funds and large institutions have $129B invested in Boston Scientific in 2025 Q4 according to their latest regulatory filings, with 214 funds opening new positions, 666 increasing their positions, 679 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 → $129B (-$1.58B)

2% less repeat investments, than reductions

Existing positions increased: 666 | Existing positions reduced: 679

5% less funds holding in top 10

Funds holding in top 10: 3937 (-2)

Holders
1,750
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
PNC Financial Services Group
151
PNC Financial Services Group
Pennsylvania
$113M
Canada Life
152
Canada Life
Manitoba, Canada
$111M
Capital Fund Management (CFM)
153
Capital Fund Management (CFM)
France
$110M
TAF
154
Tredje AP-fonden
Sweden
$109M
CS
155
Candriam SCA
Luxembourg
$108M
AQR Capital Management
156
AQR Capital Management
Connecticut
$105M
FAM
157
Fred Alger Management
New York
$105M
CIBC Private Wealth Group
158
CIBC Private Wealth Group
Georgia
$105M
Public Employees Retirement Association of Colorado
159
Public Employees Retirement Association of Colorado
Colorado
$103M
Acadian Asset Management
160
Acadian Asset Management
Massachusetts
$103M
GGHC
161
Gilder Gagnon Howe & Co
New York
$103M
Manulife (Manufacturers Life Insurance)
162
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$98.2M
Toronto Dominion Bank
163
Toronto Dominion Bank
Ontario, Canada
$97.6M
PA
164
Perceptive Advisors
New York
$93.3M
AT
165
AMF Tjänstepension
Sweden
$90.9M
PPF
166
PFA Pension Forsikringsaktieselskab
$88.9M
Nomura Asset Management
167
Nomura Asset Management
Japan
$86.5M
SO
168
STRS Ohio
Ohio
$85M
Asset Management One
169
Asset Management One
Japan
$84.1M
Calamos Advisors
170
Calamos Advisors
Illinois
$83.1M
DB
171
Danske Bank
Denmark
$82.5M
APG Asset Management
172
APG Asset Management
Netherlands
$80.3M
Connor, Clark & Lunn Investment Management (CC&L)
173
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$78.1M
MF
174
Milford Funds
$77.7M
Sands Capital Management
175
Sands Capital Management
Virginia
$76.8M