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Boston Scientific

1,691 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, 762 increasing their positions, 548 reducing their positions, and 133 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:

0.88% less ownership

Funds ownership: 91.29%90.41% (-0.88%)

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
1,691
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

Top Buyers

1 +$671M
2 +$547M
3 +$358M
4
Millennium Management
Millennium Management
New York
+$357M
5
Citadel Advisors
Citadel Advisors
Florida
+$342M
Name Holding Trade Value Shares
Change
Change in
Stake
AG
1501
AmeriFlex Group
Nevada
$68.5K
T
1502
TOBAM
France
$68K
AWM
1503
Abound Wealth Management
Tennessee
$66.3K
DCM
1504
Disciplina Capital Management
Tennessee
$65.8K
AFG
1505
Albion Financial Group
Utah
$64.6K
PP
1506
PFS Partners
New Jersey
$64.1K
GSWM
1507
Golden State Wealth Management
California
$63.8K
Loomis, Sayles & Company
1508
Loomis, Sayles & Company
Massachusetts
$63.6K
BI
1509
Binnacle Investments
Iowa
$60.4K
ATC
1510
Adirondack Trust Company
New York
$56.3K
CPG
1511
Cornerstone Planning Group
New Jersey
$54.4K
RFG
1512
REAP Financial Group
Texas
$53.7K
RWM
1513
RMG Wealth Management
Wisconsin
$52.4K
GTAM
1514
Global Trust Asset Management
Florida
$52.3K
M
1515
MOTCO
Texas
$52.1K
NAAA
1516
New Age Alpha Advisors
New York
$51.5K
OP
1517
ORG Partners
Indiana
$51.3K
CAL
1518
Capital Advisors Ltd
Ohio
$51K
Q1WB
1519
Quest 10 Wealth Builders
Virginia
$51K
C
1520
Covestor
United Kingdom
$50K
PWMG
1521
Prestige Wealth Management Group
New Jersey
$48.8K
FDCP
1522
Foster Dykema Cabot & Partners
Massachusetts
$48.3K
BIA
1523
Bell Investment Advisors
California
$47.4K
FFA
1524
Frazier Financial Advisors
Ohio
$47.4K
IUHSA
1525
Itau Unibanco Holding S.A.
Brazil
$45.9K