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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
22.2%
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 %
ATO
76
Alecta Tjanstepension Omsesidigt
Sweden
$294M 2,743,100 – –
RhumbLine Advisers
77
RhumbLine Advisers
Massachusetts
$294M 2,737,625 -58,819 -2%
SP
78
SurgoCap Partners
New York
$293M 2,724,969 +75,000 +3%
A
79
AustralianSuper
Australia
$290M 2,698,855 -122,742 -4%
Assenagon Asset Management
80
Assenagon Asset Management
Luxembourg
$287M 2,671,517 +185,821 +7%
KBC Group
81
KBC Group
Belgium
$286M 2,662,573 +419,460 +19%
Aberdeen Group
82
Aberdeen Group
United Kingdom
$276M 2,592,454 -242,523 -9%
SEI Investments
83
SEI Investments
Pennsylvania
$270M 2,513,464 -746,140 -23%
Axa
84
Axa
France
$270M 2,511,927 +317,311 +14%
Natixis Advisors
85
Natixis Advisors
Massachusetts
$269M 2,504,861 +338,446 +16%
Two Sigma Investments
86
Two Sigma Investments
New York
$265M 2,466,376 +25,629 +1%
Point72 Asset Management
87
Point72 Asset Management
Connecticut
$264M 2,460,663 +580,128 +31%
Handelsbanken Fonder
88
Handelsbanken Fonder
Sweden
$256M 2,380,413 -281,890 -11%
Raymond James Financial
89
Raymond James Financial
Florida
$255M 2,377,269 +199,932 +9%
California State Teachers Retirement System (CalSTRS)
90
California State Teachers Retirement System (CalSTRS)
California
$255M 2,375,918 +37,356 +2%
JFL
91
Jarislowsky, Fraser Ltd
Quebec, Canada
$244M 2,268,973 -2,566 -0.1%
RG
92
Rathbones Group
United Kingdom
$242M 2,250,448 -88,943 -4%
WorldQuant Millennium Advisors
93
WorldQuant Millennium Advisors
New York
$239M 2,225,546 +216,841 +11%
TD Asset Management
94
TD Asset Management
Ontario, Canada
$234M 2,180,194 +19,270 +0.9%
Man Group
95
Man Group
United Kingdom
$230M 2,137,443 +1,308,711 +158%
Jennison Associates
96
Jennison Associates
New York
$227M 2,115,002 +1,186,949 +128%
New York State Common Retirement Fund
97
New York State Common Retirement Fund
New York
$224M 2,083,334 -20,594 -1%
Adage Capital Partners
98
Adage Capital Partners
Massachusetts
$221M 2,055,365 -536,748 -21%
Stifel Financial
99
Stifel Financial
Missouri
$221M 2,053,281 +65,896 +3%
Skandinaviska Enskilda Banken (SEB)
100
Skandinaviska Enskilda Banken (SEB)
Sweden
$218M 2,025,153 +663,569 +49%
2 3
4
5 6