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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
22.26%
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
+$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 %
QCG
601
Quadrant Capital Group
Ohio
$3.59M +$914K +8,509 +34%
BP
602
Ballentine Partners
Massachusetts
$3.59M +$18.8K +175 +0.5%
KWM
603
Kingsman Wealth Management
Florida
$3.59M +$711K +6,622 +25%
TF
604
Trek Financial
Arizona
$3.59M -$120K -1,119 -3%
Group One Trading
605
Group One Trading
Illinois
$3.58M +$3.58M +33,338 New
ASN
606
Advisory Services Network
Georgia
$3.58M +$295K +2,812 +9%
MSA
607
MUFG Securities Americas
New York
$3.52M +$720K +6,701 +26%
SF
608
Summit Financial
New Jersey
$3.51M +$346K +3,224 +11%
CT
609
Chicago Trust
Illinois
$3.48M +$207K +1,930 +6%
MYLI
610
Meiji Yasuda Life Insurance
Japan
$3.48M -$16.1M -150,301 -82%
PP
611
PDT Partners
New York
$3.45M +$1.02M +9,516 +42%
S
612
SignatureFD
Georgia
$3.45M -$36.9K -344 -1%
BJL
613
Brighton Jones LLC
Washington
$3.42M +$470K +4,377 +16%
Jones Financial Companies
614
Jones Financial Companies
Missouri
$3.4M +$839K +7,870 +33%
GFM
615
GF Fund Management
China
$3.33M -$24.9K -232 -0.7%
CPBTD
616
Central Pacific Bank - Trust Division
Hawaii
$3.3M +$27.8K +259 +0.8%
LNWWM
617
Laird Norton Wetherby Wealth Management
California
$3.28M +$3.28M +30,507 New
CK
618
Cohen Klingenstein
New York
$3.28M – – –
GT
619
Glenview Trust
Kentucky
$3.26M +$3.01K +28 +0.1%
CC
620
Courier Capital
New York
$3.26M -$17.1K -159 -0.5%
VT
621
Vise Technologies
New York
$3.25M +$3.25M +30,218 New
AAMU
622
APG Asset Management US
New York
$3.19M – – –
CCM
623
Conway Capital Management
California
$3.18M -$185K -1,725 -5%
GI
624
GAMMA Investing
California
$3.17M +$422K +3,932 +15%
TS
625
Triglav Skladi
Slovenia
$3.11M – – –
23 24
25
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