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Boston Scientific
BSX

Overview Fund Activity

1,660 hedge funds and large institutions have $145B invested in Boston Scientific in 2025 Q2 according to their latest regulatory filings, with 151 funds opening new positions, 744 increasing their positions, 539 reducing their positions, and 86 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,660
Holders Change
+40
Holders Change %
+2.47%
% of All Funds
22.25%
Holding in Top 10
40
Holding in Top 10 Change
-10
Holding in Top 10 Change %
-20%
% of All Funds
0.54%
New
151
Increased
744
Reduced
539
Closed
86
Calls
$1.08B
Puts
$859M
Net Calls
+$225M
Net Calls Change
-$30.7M

Top Buyers

1
Edgewood Management
Edgewood Management
Connecticut
+$747M
2
BlackRock
BlackRock
New York
+$539M
3
VOYA Investment Management
VOYA Investment Management
Georgia
+$514M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$313M
5
Bessemer Group
Bessemer Group
New Jersey
+$311M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$2.18B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$630M
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$393M
4
Millennium Management
Millennium Management
New York
-$355M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
-$284M
Name Holding Trade Value Shares
Change 		Shares
Change %
DWA
751
Dorsey Wright & Associates
California
$1.64M +$1.64M +15,232 New
MFG
752
MidWestOne Financial Group
Iowa
$1.62M -$54.3K -506 -3%
SC
753
Scotia Capital
Ontario, Canada
$1.62M +$11.2K +104 +0.7%
CIA
754
Concurrent Investment Advisors
Florida
$1.62M +$198K +1,839 +14%
HCM
755
Helios Capital Management
Singapore
$1.61M – – –
NP
756
NorthRock Partners
Minnesota
$1.61M -$165K -1,533 -9%
AF
757
Aviso Financial
Ontario, Canada
$1.6M -$165K -1,540 -9%
GWMR
758
GC Wealth Management RIA
Massachusetts
$1.59M +$1.59M +14,772 New
PFGIA
759
Patriot Financial Group Insurance Agency
Massachusetts
$1.58M -$41K -382 -3%
CA
760
Cache Advisors
California
$1.58M +$1.58M +14,705 New
PMA
761
Prudent Man Advisors
Illinois
$1.57M +$400K +3,727 +34%
BOH
762
Bank of Hawaii
Hawaii
$1.57M -$65K -605 -4%
WCA
763
Westover Capital Advisors
Delaware
$1.57M +$90.3K +841 +6%
TF
764
TLWM Financial
Texas
$1.56M +$12K +112 +0.8%
CI
765
Cigna Investments
Connecticut
$1.55M -$36K -335 -2%
PJSIMP
766
P.J. Schmidt Investment Management (PJS)
Wisconsin
$1.55M +$417K +3,887 +37%
BLAM
767
Bourne Lent Asset Management
New York
$1.55M -$161K -1,500 -9%
WB
768
WesBanco Bank
West Virginia
$1.55M +$1.55M +14,388 New
BPA
769
Beacon Pointe Advisors
California
$1.54M +$126K +1,174 +9%
CFG
770
Citizens Financial Group
Rhode Island
$1.52M +$395K +3,675 +35%
CTC
771
Central Trust Company
Missouri
$1.51M +$282K +2,624 +23%
AWP
772
Ascent Wealth Partners
New York
$1.51M +$1.51M +14,085 New
AW
773
Alaethes Wealth
Nevada
$1.51M +$1.51M +14,081 New
SQA
774
Simon Quick Advisors
New Jersey
$1.51M +$421K +3,921 +39%
LB
775
Legacy Bridge
Iowa
$1.51M – – –
29 30
31
32 33