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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
EAM
601
Exome Asset Management
New York
$3.03M
TCA
602
Trifecta Capital Advisors
Illinois
$3.03M
SFA
603
Sequoia Financial Advisors
Ohio
$3.03M
VT
604
Vise Technologies
New York
$3.01M
SC
605
Scholtz & Company
Connecticut
$3.01M
NIM
606
Nicollet Investment Management
Minnesota
$3M
NMIMC
607
Northwestern Mutual Investment Management Company
Wisconsin
$2.98M
CL
608
Choreo LLC
Illinois
$2.97M
JWM
609
Jackson Wealth Management
Florida
$2.96M
MCM
610
Mengis Capital Management
Oregon
$2.95M
AWA
611
Arkadios Wealth Advisors
Georgia
$2.92M
BIP
612
Bouvel Investment Partners
Pennsylvania
$2.92M
EGM
613
Encore Global Management
Texas
$2.92M
N
614
Numerai
California
$2.91M
CG
615
Caprock Group
Idaho
$2.88M
Bessemer Group
616
Bessemer Group
New Jersey
$2.85M
BEI
617
Benjamin Edwards Inc
Missouri
$2.84M
SI
618
Sava Infond
Slovenia
$2.83M
JGC
619
J. Goldman & Co
New York
$2.79M
Artisan Partners
620
Artisan Partners
Wisconsin
$2.79M
RS
621
Robeco Schweiz
Switzerland
$2.78M
RF
622
Robbins Farley
New Hampshire
$2.77M
BFG
623
Bleakley Financial Group
New Jersey
$2.74M
LCM
624
Landscape Capital Management
New Jersey
$2.74M
PIM
625
Plato Investment Management
Australia
$2.71M