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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
B
1526
Birchbrook
Maine
$13.2K
CFFP
1527
Center for Financial Planning
Michigan
$13.1K
CNBTD
1528
Citizens National Bank Trust Department
Mississippi
$13.1K
RS
1529
Rakuten Securities
Japan
$12.7K
GWM
1530
Geneos Wealth Management
Colorado
$12.6K
FC
1531
Fairscale Capital
New Hampshire
$12.6K
Loomis, Sayles & Company
1532
Loomis, Sayles & Company
Massachusetts
$12.2K
HFS
1533
Horizon Financial Services
North Carolina
$12K
OAJ
1534
Ogorek Anthony Joseph
New York
$12K
GCM
1535
Gunpowder Capital Management
Maryland
$12K
CCM
1536
Chilton Capital Management
Texas
$11.9K
HWM
1537
HighMark Wealth Management
Minnesota
$11.8K
SG
1538
Sankala Group
Colorado
$11.5K
CFM
1539
Cornerstone Financial Management
Massachusetts
$11.3K
DF
1540
Dunhill Financial
United Kingdom
$11.3K
WAG
1541
Wilkerson Advisory Group
Missouri
$10.9K
BFS
1542
Bare Financial Services
Pennsylvania
$10.7K
AA
1543
Addison Advisors
Vermont
$10.7K
MWM
1544
Mosley Wealth Management
California
$10.5K
ACM
1545
Anfield Capital Management
California
$10.5K
KFA
1546
Kelleher Financial Advisors
New York
$9.56K
BSB
1547
Bangor Savings Bank
Maine
$9.41K
SC
1548
Steph & Co
Wisconsin
$9.41K
HPBT
1549
Hickory Point Bank & Trust
Illinois
$9.41K
FNWA
1550
Financial Network Wealth Advisors
Utah
$9.29K