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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
Cambridge Investment Research Advisors
576
Cambridge Investment Research Advisors
Iowa
$3.38M
BIG
577
Brooklyn Investment Group
New York
$3.37M
TMAM
578
Tokio Marine Asset Management
Japan
$3.34M
FTWA
579
Fifth Third Wealth Advisors
Ohio
$3.33M
TFA
580
Transamerica Financial Advisors
Florida
$3.32M
TGIA
581
Torrey Growth & Income Advisors
California
$3.31M
GVAG
582
Great Valley Advisor Group
Delaware
$3.29M
LWMM
583
Legacy Wealth Management (Mississippi)
Mississippi
$3.27M
KA
584
Kintegral Advisory
New York
$3.25M
William Blair Investment Management
585
William Blair Investment Management
Illinois
$3.24M
Luther King Capital Management (LKCM)
586
Luther King Capital Management (LKCM)
Texas
$3.21M
TCM
587
Tandem Capital Management
New Jersey
$3.21M
CRCM
588
Crystal Rock Capital Management
Illinois
$3.18M
ECM
589
Everence Capital Management
Indiana
$3.17M
LNWTC
590
Laird Norton Wetherby Trust Company
Washington
$3.17M
HCMT
591
Highland Capital Management (Tennessee)
Tennessee
$3.14M
EI
592
Ecofi Investissements
France
$3.14M
HI
593
Horizon Investments
North Carolina
$3.11M
SNB
594
Security National Bank
Nebraska
$3.08M
MYA
595
Meiji Yasuda America
New York
$3.06M
RMC
596
Resources Management Corp
Connecticut
$3.06M
CAL
597
Capital Analysts LLC
Pennsylvania
$3.05M
CBA
598
Coastal Bridge Advisors
Connecticut
$3.05M
EF
599
Empirical Finance
Pennsylvania
$3.04M
EAM
600
Exome Asset Management
New York
$3.03M