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Boston Scientific

1,662 hedge funds and large institutions have $84.2B invested in Boston Scientific in 2026 Q1 according to their latest regulatory filings, with 190 funds opening new positions, 673 increasing their positions, 632 reducing their positions, and 276 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

31% less first-time investments, than exits

New positions opened: 190 | Existing positions closed: 276

32% less funds holding in top 10

Funds holding in top 10: 3725 (-12)

35% less capital invested

Capital invested by funds: $130B → $84.2B (-$45.8B)

Holders
1,662
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
25
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.56B
Puts
$640M
Net Calls
Net Calls Change

Top Buyers

1 +$1.05B
2 +$730M
3 +$706M
4
JP Morgan Chase
JP Morgan Chase
New York
+$638M
5
Two Sigma Investments
Two Sigma Investments
New York
+$555M
Name Holding Trade Value Shares
Change
Change in
Stake
ATS
1726
Ashton Thomas Securities
New York
NCGI
1727
Next Century Growth Investors
Minnesota
RCA
1728
Runnymede Capital Advisors
Ohio
WWM
1729
Waterway Wealth Management
Texas
DAS
1730
Diversify Advisory Services
Utah
LIM
1731
Leavell Investment Management
Alabama
JWCA
1732
J.W. Cole Advisors
Florida
PAP
1733
Persistent Asset Partners
Hong Kong
SB
1734
SIG Brokerage
New York
PP
1735
PDT Partners
New York
I
1736
InceptionR
California
LCGC
1737
Legacy Capital Group California
California
SAM
1738
Secure Asset Management
Michigan
SOW
1739
State of Wyoming
Wyoming
ACM
1740
Absolute Capital Management
Pennsylvania
RC
1741
Roundview Capital
New Jersey
SMA
1742
Sage Mountain Advisors
Georgia
QWM
1743
QP Wealth Management
New Jersey
KIM
1744
Kane Investment Management
California
CCP
1745
Clarkston Capital Partners
Michigan
BWM
1746
BCS Wealth Management
Tennessee
BIG
1747
Brookwood Investment Group
Arizona
CIM
1748
Contravisory Investment Management
Massachusetts
PA
1749
PharVision Advisers
Florida
ALAM
1750
Asahi Life Asset Management
Japan