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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
GWSA
1526
Global Wealth Strategies & Associates
Colorado
$13.7K
B
1527
Birchbrook
Maine
$13.2K
CFFP
1528
Center for Financial Planning
Michigan
$13.1K
CNBTD
1529
Citizens National Bank Trust Department
Mississippi
$13.1K
RS
1530
Rakuten Securities
Japan
$12.7K
GWM
1531
Geneos Wealth Management
Colorado
$12.6K
FC
1532
Fairscale Capital
New Hampshire
$12.6K
Loomis, Sayles & Company
1533
Loomis, Sayles & Company
Massachusetts
$12.2K
HFS
1534
Horizon Financial Services
North Carolina
$12K
OAJ
1535
Ogorek Anthony Joseph
New York
$12K
GCM
1536
Gunpowder Capital Management
Maryland
$12K
CCM
1537
Chilton Capital Management
Texas
$11.9K
HWM
1538
HighMark Wealth Management
Minnesota
$11.8K
SG
1539
Sankala Group
Colorado
$11.5K
CFM
1540
Cornerstone Financial Management
Massachusetts
$11.3K
DF
1541
Dunhill Financial
United Kingdom
$11.3K
WAG
1542
Wilkerson Advisory Group
Missouri
$10.9K
BFS
1543
Bare Financial Services
Pennsylvania
$10.7K
AA
1544
Addison Advisors
Vermont
$10.7K
MWM
1545
Mosley Wealth Management
California
$10.5K
ACM
1546
Anfield Capital Management
California
$10.5K
KFA
1547
Kelleher Financial Advisors
New York
$9.56K
BSB
1548
Bangor Savings Bank
Maine
$9.41K
SC
1549
Steph & Co
Wisconsin
$9.41K
HPBT
1550
Hickory Point Bank & Trust
Illinois
$9.41K