BSX icon

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 233 funds opening new positions, 656 increasing their positions, 545 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,620
Holders Change
+128
Holders Change %
+8.58%
% 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
233
Increased
656
Reduced
545
Closed
75
Calls
$1.07B
Puts
$819M
Net Calls
+$256M
Net Calls Change
+$371M

Top Buyers

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

Top Sellers

1
Franklin Resources
Franklin Resources
California
$751M
2
DZ Bank
DZ Bank
Germany
$1.79B
3
Fidelity Investments
Fidelity Investments
Massachusetts
$13B
4
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$1.67B
5
Impax Asset Management Group
Impax Asset Management Group
United Kingdom
$146M
Name Holding Trade Value Shares
Change 		Shares
Change %
Charles Schwab
26
Charles Schwab
California
$865M +$10.2M +101,183 +1%
Marshall Wace
27
Marshall Wace
United Kingdom
$802M -$92.6M -917,681 -10%
Ameriprise
28
Ameriprise
Minnesota
$792M -$25.6M -254,065 -3%
Millennium Management
29
Millennium Management
New York
$791M -$74.4M -784,572 -9%
Franklin Resources
30
Franklin Resources
California
$751M -$917M -9,090,074 -55%
Schroder Investment Management Group
31
Schroder Investment Management Group
United Kingdom
$749M -$6.04M -59,880 -0.8%
Fisher Asset Management
32
Fisher Asset Management
Washington
$683M +$97.3M +964,638 +17%
Arrowstreet Capital
33
Arrowstreet Capital
Massachusetts
$681M +$117M +1,162,697 +21%
NL
34
Nuveen LLC
North Carolina
$679M +$679M +6,995,357 New
Lazard Asset Management
35
Lazard Asset Management
New York
$632M -$22M -217,673 -3%
Canada Pension Plan Investment Board
36
Canada Pension Plan Investment Board
Ontario, Canada
$629M -$106M -1,053,385 -14%
Capital Research Global Investors
37
Capital Research Global Investors
California
$600M +$166M +1,648,607 +38%
Fidelity International
38
Fidelity International
Bermuda
$576M -$220M -2,180,958 -28%
Barclays
39
Barclays
United Kingdom
$558M +$113M +1,121,449 +25%
Deutsche Bank
40
Deutsche Bank
Germany
$551M +$2.7M +26,724 +0.5%
Citadel Advisors
41
Citadel Advisors
Florida
$548M +$50.7M +502,103 +10%
Royal Bank of Canada
42
Royal Bank of Canada
Ontario, Canada
$506M -$77M -763,662 -13%
AI
43
Axiom Investors
Connecticut
$480M +$102M +1,006,828 +27%
AM
44
AGF Management
Ontario, Canada
$479M -$5.03M -49,829 -1%
Dimensional Fund Advisors
45
Dimensional Fund Advisors
Texas
$470M -$25.5M -253,126 -5%
Pictet Asset Management
46
Pictet Asset Management
Switzerland
$450M +$85.5M +847,477 +23%
Vontobel Holding
47
Vontobel Holding
Switzerland
$431M -$136M -1,348,304 -24%
BNP Paribas Asset Management
48
BNP Paribas Asset Management
France
$424M -$4.75M -47,065 -1%
Two Sigma Advisers
49
Two Sigma Advisers
New York
$424M +$348M +3,450,700 +457%
Swiss National Bank
50
Swiss National Bank
Switzerland
$419M -$343K -3,400 -0.1%
1
2
3 4 5