BSX icon

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
22.26%
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
$15.8B
3
VOYA Investment Management
VOYA Investment Management
Georgia
$939M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
$726M
5
Bessemer Group
Bessemer Group
New Jersey
$314M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$11.6B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$2.76B
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$1.38B
4
Millennium Management
Millennium Management
New York
$444M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
$1.14M
Name Holding Trade Value Shares
Change 		Shares
Change %
RWM
476
RBA Wealth Management
California
$6.8M -$377K -3,512 -5%
PNAA
477
Pictet North America Advisors
Switzerland
$6.69M -$748K -6,967 -10%
NC
478
NewSquare Capital
Pennsylvania
$6.68M +$251K +2,341 +4%
LF
479
Longbow Finance
Switzerland
$6.66M – – –
BS
480
Banco Santander
Spain
$6.64M +$3.19M +29,718 +93%
MHC
481
May Hill Capital
Massachusetts
$6.52M +$5.59K +52 +0.1%
HH
482
HWG Holdings
Texas
$6.46M +$896K +8,343 +16%
P
483
&Partners
Tennessee
$6.43M +$242K +2,189 +4%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
484
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$6.34M -$3.78M -35,172 -37%
VI
485
Vestcor Inc
New Brunswick, Canada
$6.18M +$203K +1,886 +3%
TFA
486
Transamerica Financial Advisors
Florida
$6.13M -$185K -1,719 -3%
SFS
487
Sowell Financial Services
Arkansas
$6.05M +$1.54M +14,371 +34%
JSC
488
Jackson Square Capital
California
$6.05M +$6.05M +56,306 New
KA
489
Kintegral Advisory
New York
$5.99M -$9.13K -85 -0.2%
ALMGDA
490
AG2R La Mondiale Gestion d'Actifs
France
$5.99M +$95.4K +888 +2%
VA
491
Vident Advisory
Georgia
$5.95M -$3.35M -31,147 -36%
OAC
492
OMERS Administration Corp
Ontario, Canada
$5.93M +$53.7K +500 +0.9%
TRCT
493
Tower Research Capital (TRC)
New York
$5.91M -$2.92M -27,203 -33%
NCGI
494
Next Century Growth Investors
Minnesota
$5.85M +$3.97M +36,926 +210%
KJHP
495
K.J. Harrison & Partners
Ontario, Canada
$5.84M +$2.69M +25,016 +85%
BCM
496
BTC Capital Management
Iowa
$5.83M +$5.83M +54,418 New
HCMT
497
Highland Capital Management (Tennessee)
Tennessee
$5.81M +$7.52K +70 +0.1%
Cambridge Investment Research Advisors
498
Cambridge Investment Research Advisors
Iowa
$5.79M +$616K +5,731 +12%
NC
499
NBW Capital
Massachusetts
$5.79M +$182K +1,696 +3%
SI
500
Sava Infond
Slovenia
$5.79M +$705K +6,560 +14%
18 19
20
21 22