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Boston Scientific
BSX

Overview Fund Activity

1,620 hedge funds and large institutions have $133B invested in Boston Scientific in 2025 Q1 according to their latest regulatory filings, with 234 funds opening new positions, 655 increasing their positions, 545 reducing their positions, and 75 closing their positions.

Holders
1,620
Holders Change
+129
Holders Change %
+8.65%
% of All Funds
22.01%
Holding in Top 10
50
Holding in Top 10 Change
+11
Holding in Top 10 Change %
+28.21%
% of All Funds
0.68%
New
234
Increased
655
Reduced
545
Closed
75
Calls
$1.07B
Puts
$819M
Net Calls
+$256M
Net Calls Change
+$371M

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$3.18B
2
Bank of America
2
Bank of America
North Carolina
$3.18B
3
Two Sigma Advisers
3
Two Sigma Advisers
New York
$424M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$387M
5
SP
5
SurgoCap Partners
New York
$267M

Top Sellers

1
Franklin Resources
1
Franklin Resources
California
$751M
2
DZ Bank
2
DZ Bank
Germany
$1.79B
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$13B
4
Massachusetts Financial Services
4
Massachusetts Financial Services
Massachusetts
$1.67B
5
Impax Asset Management Group
5
Impax Asset Management Group
United Kingdom
$146M
Name Holding Trade Value Shares
Change 		Shares
Change %
Teacher Retirement System of Texas
151
Teacher Retirement System of Texas
Texas
$87.9M +$17.9M +177,708 +26%
National Bank of Canada
152
National Bank of Canada
Quebec, Canada
$87.5M +$25.8M +255,916 +42%
LF
153
Lansforsakringar Fondforvaltning
Sweden
$86.7M -$759K -7,527 -0.9%
O
154
Ossiam
France
$85.6M +$5.23M +51,881 +7%
1832 Asset Management
155
1832 Asset Management
Ontario, Canada
$85.6M +$8.53M +84,585 +11%
CSS
156
Cubist Systematic Strategies
Connecticut
$83.6M +$73.7M +731,023 +746%
CHP
157
Castle Hook Partners
New York
$83.6M +$6.74M +66,833 +9%
Man Group
158
Man Group
United Kingdom
$83.6M +$56.3M +557,673 +206%
Public Sector Pension Investment Board (PSP Investments)
159
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$82.1M -$28.5M -282,872 -26%
Victory Capital Management
160
Victory Capital Management
Texas
$81.3M +$29.7M +293,928 +57%
Mitsubishi UFJ Trust & Banking
161
Mitsubishi UFJ Trust & Banking
Japan
$79.7M -$5.37M -53,248 -6%
Chevy Chase Trust
162
Chevy Chase Trust
Maryland
$78M -$45.9K -455 -0.1%
Mackenzie Financial
163
Mackenzie Financial
Ontario, Canada
$77.8M -$18.4M -182,036 -19%
Northwestern Mutual Wealth Management
164
Northwestern Mutual Wealth Management
Wisconsin
$75.6M +$3.15M +31,179 +4%
ASC
165
Atalanta Sosnoff Capital
New York
$74.9M +$187K +1,850 +0.2%
Asset Management One
166
Asset Management One
Japan
$74.2M +$3.94M +39,076 +6%
TAF
167
Tredje AP-fonden
Sweden
$72.3M -$7.35M -72,819 -9%
Royal London Asset Management
168
Royal London Asset Management
United Kingdom
$71.6M +$7.8M +77,280 +12%
Aviva
169
Aviva
United Kingdom
$68.9M +$13.3M +132,211 +24%
FFM
170
Fullerton Fund Management
Singapore
$68.5M -$88.2M -874,305 -56%
Ohio Public Employees Retirement System (OPERS)
171
Ohio Public Employees Retirement System (OPERS)
Ohio
$67.9M -$876K -8,685 -1%
Treasurer of the State of North Carolina
172
Treasurer of the State of North Carolina
North Carolina
$67.8M +$704K +6,975 +1%
Renaissance Technologies
173
Renaissance Technologies
New York
$65.7M +$65.7M +651,553 New
IHAM
174
Integral Health Asset Management
New York
$65.6M +$10.1M +100,000 +18%
NC
175
Nicholas Company
Wisconsin
$63.3M -$8.58M -85,048 -12%
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