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Boston Scientific
BSX

Overview Fund Activity

1,653 hedge funds and large institutions have $143B invested in Boston Scientific in 2025 Q2 according to their latest regulatory filings, with 151 funds opening new positions, 739 increasing their positions, 537 reducing their positions, and 86 closing their positions.

Holders
1,653
Holders Change
+33
Holders Change %
+2.04%
% of All Funds
22.19%
Holding in Top 10
39
Holding in Top 10 Change
-11
Holding in Top 10 Change %
-22%
% of All Funds
0.52%
New
151
Increased
739
Reduced
537
Closed
86
Calls
$863M
Puts
$692M
Net Calls
+$171M
Net Calls Change
-$85.1M

Top Buyers

1
Edgewood Management
1
Edgewood Management
Connecticut
$747M
2
BlackRock
2
BlackRock
New York
$15.8B
3
VOYA Investment Management
3
VOYA Investment Management
Georgia
$939M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$726M
5
Bessemer Group
5
Bessemer Group
New Jersey
$314M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$11.6B
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$2.76B
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$1.38B
4
Millennium Management
4
Millennium Management
New York
$444M
5
Winslow Capital Management
5
Winslow Capital Management
Minnesota
$1.14M
Name Market Value Shares Shares
Change 		Shares
Change %
FFM
151
Fisher Funds Management
New Zealand
$102M 949,094 -112,798 -11%
Teacher Retirement System of Texas
152
Teacher Retirement System of Texas
Texas
$100M 931,793 +60,144 +7%
BT
153
Banque Transatlantique
France
$99.8M 927,478 +328,434 +55%
Public Sector Pension Investment Board (PSP Investments)
154
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$98.8M 920,033 +106,634 +13%
UM
155
UniSuper Management
Australia
$97.8M 910,161 -67,930 -7%
ATN
156
AMF Tjänstepension
Sweden
$95.4M 888,204 +888,204 New
Acadian Asset Management
157
Acadian Asset Management
Massachusetts
$95.3M 887,478 +281,249 +46%
Nomura Asset Management
158
Nomura Asset Management
Japan
$94.2M 877,065 -273,958 -24%
TAF
159
Tredje AP-fonden
Sweden
$92.4M 860,688 +143,696 +20%
APG Asset Management
160
APG Asset Management
Netherlands
$91.8M 1,003,178 +27,912 +3%
CS
161
Candriam SCA
Luxembourg
$89.8M 836,025 +421,213 +102%
LF
162
Lansforsakringar Fondforvaltning
Sweden
$88.5M 824,365 -35,191 -4%
State of Wisconsin Investment Board
163
State of Wisconsin Investment Board
Wisconsin
$86.7M 806,736 -76,177 -9%
Victory Capital Management
164
Victory Capital Management
Texas
$84.5M 788,478 -17,218 -2%
Mitsubishi UFJ Trust & Banking
165
Mitsubishi UFJ Trust & Banking
Japan
$84.2M 783,658 -6,387 -0.8%
Chevy Chase Trust
166
Chevy Chase Trust
Maryland
$84M 781,674 +8,509 +1%
Asset Management One
167
Asset Management One
Japan
$82.5M 768,034 +32,834 +4%
HA
168
Homestead Advisers
Virginia
$81.6M 759,426 -223,100 -23%
ECM
169
ExodusPoint Capital Management
New York
$81.2M 755,867 +194,602 +35%
ASC
170
Atalanta Sosnoff Capital
New York
$76.8M 714,767 -27,889 -4%
FFM
171
Fullerton Fund Management
Singapore
$75.8M 706,039 +27,188 +4%
Royal London Asset Management
172
Royal London Asset Management
United Kingdom
$74.1M 689,807 -19,934 -3%
Treasurer of the State of North Carolina
173
Treasurer of the State of North Carolina
North Carolina
$74.1M 689,534 +17,069 +3%
Northwestern Mutual Wealth Management
174
Northwestern Mutual Wealth Management
Wisconsin
$72.4M 673,610 -75,788 -10%
Ohio Public Employees Retirement System (OPERS)
175
Ohio Public Employees Retirement System (OPERS)
Ohio
$72.2M 671,935 -872 -0.1%
5 6
7
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