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Boston Scientific

1,701 hedge funds and large institutions have $131B invested in Boston Scientific in 2025 Q3 according to their latest regulatory filings, with 177 funds opening new positions, 766 increasing their positions, 552 reducing their positions, and 132 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

0.87% less ownership

Funds ownership: 91.43%90.56% (-0.87%)

7% less funds holding in top 10

Funds holding in top 10: 4239 (-3)

10% less capital invested

Capital invested by funds: $145B → $131B (-$14.2B)

Holders
1,701
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
39
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.13B
Puts
$989M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
TS
651
Triglav Skladi
Slovenia
$2.83M
RMC
652
Resources Management Corp
Connecticut
$2.83M
MMA
653
Miracle Mile Advisors
California
$2.82M
A
654
Argentarii
Ohio
$2.81M
PHS
655
PFM Health Sciences
California
$2.8M
CW
656
Channel Wealth
California
$2.79M
BJL
657
Brighton Jones LLC
Washington
$2.79M
MSE
658
MUFG Securities EMEA
United Kingdom
$2.77M
PIM
659
Plato Investment Management
Australia
$2.77M
VT
660
Vise Technologies
New York
$2.76M
BFM
661
Boothbay Fund Management
New York
$2.76M
BF
662
BOK Financial
Oklahoma
$2.74M
LOAMU
663
Lombard Odier Asset Management (USA)
New York
$2.72M
SAM
664
Shell Asset Management
Netherlands
$2.71M
Group One Trading
665
Group One Trading
Illinois
$2.69M
SFS
666
Sowell Financial Services
Arkansas
$2.69M
CHP
667
Castle Hook Partners
New York
$2.68M
PP
668
Prudential plc
United Kingdom
$2.66M
SC
669
Syon Capital
California
$2.66M
AIC
670
Argus Investors Counsel
New York
$2.62M
GH
671
GAM Holding
Switzerland
$2.61M
BAAM
672
Baker Avenue Asset Management
California
$2.6M
GT
673
Greenleaf Trust
Michigan
$2.6M
BIG
674
Brooklyn Investment Group
New York
$2.58M
CAG
675
Crestwood Advisors Group
Massachusetts
$2.57M