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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
BP
626
Ballentine Partners
Massachusetts
$3.19M
CFO
627
Callan Family Office
Pennsylvania
$3.17M
GIP
628
Granite Investment Partners
California
$3.17M
MYLI
629
Meiji Yasuda Life Insurance
Japan
$3.17M
QCG
630
Quadrant Capital Group
Ohio
$3.15M
SF
631
Summit Financial
New Jersey
$3.15M
PP
632
PDT Partners
New York
$3.14M
CUAMC
633
China Universal Asset Management Company
China
$3.12M
PDL
634
Portfolio Design Labs
California
$3.11M
LNWWM
635
Laird Norton Wetherby Wealth Management
California
$3.07M
CC
636
Courier Capital
New York
$3.06M
DM
637
Deerfield Management
New York
$3.06M
S
638
SignatureFD
Georgia
$3.05M
RS
639
R Squared
Hong Kong
$3.03M
1C
640
111 Capital
France
$3M
GT
641
Glenview Trust
Kentucky
$2.99M
CPBTD
642
Central Pacific Bank - Trust Division
Hawaii
$2.98M
CK
643
Cohen Klingenstein
New York
$2.98M
AAMU
644
APG Asset Management US
New York
$2.97M
QC
645
Quadrature Capital
United Kingdom
$2.94M
CCM
646
Conway Capital Management
California
$2.89M
SC
647
SummitTX Capital
Texas
$2.89M
Capstone Investment Advisors
648
Capstone Investment Advisors
New York
$2.87M
EWM
649
Empirical Wealth Management
Washington
$2.86M
GCM
650
Genus Capital Management
British Columbia, Canada
$2.84M