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Boston Scientific

1,663 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, 674 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
1,663
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
WAS
1576
Winch Advisory Services
Wisconsin
$5.96K
IWS
1577
Intentional Wealth Strategies
Colorado
$5.96K
CWM
1578
Cranbrook Wealth Management
Michigan
$5.9K
BAM
1579
Byrne Asset Management
New Jersey
$5.15K
CSC
1580
Caldwell Sutter Capital
California
$5.02K
PSB
1581
Piscataqua Savings Bank
New Hampshire
$5.02K
MCA
1582
McGuire Capital Advisors
Oklahoma
$5.02K
ME
1583
McIlrath & Eck
Washington
$4.83K
BH
1584
Burk Holdings
Oklahoma
$4.83K
NWM
1585
Nova Wealth Management
Florida
$4.8K
EFMH
1586
E Fund Management (HK)
Hong Kong
$4.71K
CWP
1587
Clark Wealth Partners
Illinois
$4.58K
YP
1588
YANKCOM Partnership
South Dakota
$4.46K
LA
1589
LM Advisors
California
$4.34K
NL
1590
NorthAvenue LLC
Ohio
$4.21K
DF
1591
DecisionPoint Financial
Arizona
$4.14K
MAM
1592
Marquette Asset Management
Minnesota
$4.02K
CTWM
1593
Cherry Tree Wealth Management
Minnesota
$3.95K
MAFA
1594
MJT & Associates Financial Advisory
Minnesota
$3.95K
RPA
1595
Redwood Park Advisors
California
$3.64K
T
1596
Tidemark
California
$3.64K
SWIM
1597
Smallwood Wealth Investment Management
New Jersey
$3.64K
TC
1598
Trust Company
Kansas
$3.58K
ACA
1599
American Capital Advisory
Idaho
$3.45K
BW
1600
Basepoint Wealth
Iowa
$3.45K