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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
MAS
651
Meeder Advisory Services
Ohio
$2.36M
HP
652
Havemeyer Place
Connecticut
$2.35M
BCI
653
Brinker Capital Investments
Pennsylvania
$2.35M
WI
654
Wahed Invest
New York
$2.34M
MHC
655
May Hill Capital
Massachusetts
$2.3M
PM
656
Phraction Management
Connecticut
$2.3M
TAL
657
TIG Advisors LLC
New York
$2.3M
CCM
658
Coldstream Capital Management
Washington
$2.28M
CC
659
Centiva Capital
New York
$2.27M
BBHC
660
Brown Brothers Harriman & Co
New York
$2.26M
OC
661
Oppenheimer & Co
New York
$2.22M
LOAMS
662
Lombard Odier Asset Management (Switzerland)
Switzerland
$2.2M
LTAS
663
Linden Thomas Advisory Services
North Carolina
$2.19M
SAM
664
Sectoral Asset Management
Quebec, Canada
$2.18M
KeyBank National Association
665
KeyBank National Association
Ohio
$2.18M
AG
666
Ascent Group
Virginia
$2.17M
DS
667
DRW Securities
Illinois
$2.13M
RWM
668
Ritholtz Wealth Management
New York
$2.12M
TCM
669
Twin Capital Management
Pennsylvania
$2.1M
MMA
670
Miracle Mile Advisors
California
$2.09M
CGIM
671
Capital Group Investment Management
Singapore
$2.08M
CT
672
Chicago Trust
Illinois
$2.06M
S
673
SignatureFD
Georgia
$2.05M
WR
674
WD Rutherford
Oregon
$2.05M
PAS
675
Parsonex Advisory Services
Colorado
$2.04M