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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
MC
701
Moors & Cabot
Massachusetts
$1.76M
DGM
702
Delta Global Management
New York
$1.76M
AIM
703
Aigen Investment Management
New York
$1.71M
PP
704
Prudential plc
United Kingdom
$1.71M
SIA
705
Sit Investment Associates
Minnesota
$1.71M
TSS
706
Two Sigma Securities
New York
$1.71M
PS
707
Principal Securities
Iowa
$1.69M
A
708
Allianz
Germany
$1.68M
SCP
709
Sivia Capital Partners
California
$1.68M
PEAK6
710
PEAK6
Illinois
$1.68M
EC
711
Eleva Capital
France
$1.67M
FFN
712
Focus Financial Network
Minnesota
$1.67M
CA
713
Clearstead Advisors
Ohio
$1.67M
MFS
714
Mattson Financial Services
Michigan
$1.66M
BF
715
BOK Financial
Oklahoma
$1.66M
NCM
716
Nelson Capital Management
California
$1.65M
FPAS
717
Focus Partners Advisor Solutions
Missouri
$1.65M
QCG
718
Quadrant Capital Group
Ohio
$1.63M
KOCAA
719
Knights of Columbus Asset Advisors
Connecticut
$1.63M
AIC
720
Argus Investors Counsel
New York
$1.61M
BAM
721
Belpointe Asset Management
Nevada
$1.61M
FCA
722
Fortis Capital Advisors
Kansas
$1.61M
GI
723
GAMMA Investing
California
$1.59M
IIM
724
Intact Investment Management
Quebec, Canada
$1.59M
WWM
725
Western Wealth Management
Colorado
$1.58M