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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
AG
676
AlTi Global
New York
$2.04M
MYLI
677
Meiji Yasuda Life Insurance
Japan
$2.01M
SAI
678
Savvy Advisors Inc
New York
$2.01M
TCIIS
679
TIAA-CREF Individual & Institutional Services
New York
$2M
HFS
680
Hantz Financial Services
Michigan
$1.97M
CIA
681
Concurrent Investment Advisors
Florida
$1.97M
GCP
682
GSA Capital Partners
United Kingdom
$1.96M
CFO
683
Callan Family Office
Pennsylvania
$1.96M
BPAMU
684
BTG Pactual Asset Management US
New York
$1.95M
STA
685
Summit Trail Advisors
New York
$1.94M
BFO
686
Boston Family Office
Massachusetts
$1.94M
BC
687
Bridgefront Capital
Texas
$1.92M
AHC
688
Adell Harriman & Carpenter
Texas
$1.91M
CK
689
Cohen Klingenstein
New York
$1.91M
IWC
690
Integrated Wealth Concepts
Massachusetts
$1.91M
CC
691
Courier Capital
New York
$1.9M
TS
692
Triglav Skladi
Slovenia
$1.85M
GIM
693
Generali Investments Management
Slovenia
$1.85M
VI
694
Vestcor Inc
New Brunswick, Canada
$1.84M
PMAM
695
Picton Mahoney Asset Management
Ontario, Canada
$1.81M
CCM
696
Conway Capital Management
California
$1.81M
OF
697
Outfitter Financial
Maine
$1.81M
BP
698
Ballentine Partners
Massachusetts
$1.8M
DFCM
699
Dark Forest Capital Management
Puerto Rico
$1.8M
CFM
700
Capricorn Fund Managers
United Kingdom
$1.76M