BSX icon

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
22.2%
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
Norges Bank
1
Norges Bank
Norway
$2.09B
2
Edgewood Management
2
Edgewood Management
Connecticut
$747M
3
BlackRock
3
BlackRock
New York
$15.8B
4
VOYA Investment Management
4
VOYA Investment Management
Georgia
$939M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$726M

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 %
BNP Paribas Asset Management
51
BNP Paribas Asset Management
France
$452M 4,211,660 +3,172 +0.1%
Holocene Advisors
52
Holocene Advisors
New York
$449M 4,181,034 +2,295,282 +122%
Millennium Management
53
Millennium Management
New York
$444M 4,636,019 -3,708,137 -44%
Dimensional Fund Advisors
54
Dimensional Fund Advisors
Texas
$442M 4,117,493 -543,823 -12%
American Century Companies
55
American Century Companies
Missouri
$439M 4,083,325 +195,947 +5%
Citigroup
56
Citigroup
New York
$433M 4,033,057 +1,145,088 +40%
FCM
57
Farallon Capital Management
California
$428M 3,981,057 +218,300 +6%
Neuberger Berman Group
58
Neuberger Berman Group
New York
$425M 3,961,215 +44,274 +1%
Wells Fargo
59
Wells Fargo
California
$398M 3,708,088 +149,530 +4%
Sumitomo Mitsui Trust Group
60
Sumitomo Mitsui Trust Group
Japan
$384M 3,579,659 +84,529 +2%
California Public Employees Retirement System
61
California Public Employees Retirement System
California
$366M 3,411,074 -151,279 -4%
National Pension Service
62
National Pension Service
South Korea
$363M 3,375,933 -147,209 -4%
AI
63
Axiom Investors
Connecticut
$356M 3,318,614 -1,440,644 -30%
AllianceBernstein
64
AllianceBernstein
Tennessee
$353M 3,288,536 +251,601 +8%
AM
65
AGF Management
Ontario, Canada
$347M 3,234,622 -1,512,670 -32%
Robeco Institutional Asset Management
66
Robeco Institutional Asset Management
Netherlands
$338M 3,145,777 +756,199 +32%
Viking Global Investors
67
Viking Global Investors
Connecticut
$327M 3,045,764 +669,000 +28%
Bank of Nova Scotia
68
Bank of Nova Scotia
Ontario, Canada
$325M 3,025,519 +1,559,605 +106%
HSBC Holdings
69
HSBC Holdings
United Kingdom
$314M 2,923,963 -104,679 -3%
Bessemer Group
70
Bessemer Group
New Jersey
$314M 2,919,801 +2,899,653 +14,392%
BNP Paribas Financial Markets
71
BNP Paribas Financial Markets
France
$308M 2,872,124 -332,100 -10%
Mitsubishi UFJ Asset Management
72
Mitsubishi UFJ Asset Management
Japan
$304M 2,828,010 +196,498 +7%
Swedbank
73
Swedbank
Sweden
$303M 2,819,249 +1,505,019 +115%
O
74
OrbiMed
New York
$302M 2,813,200 – –
Envestnet Asset Management
75
Envestnet Asset Management
Illinois
$301M 2,804,912 +13,947 +0.5%
1 2
3
4 5