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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
GSEP
951
Golden State Equity Partners
California
$677K
DC
952
Davenport & Co
Virginia
$675K
TAFW
953
Tred Avon Family Wealth
Maryland
$670K
BHC
954
Bowen Hanes & Co
Florida
$662K
KCM
955
Kornitzer Capital Management
Kansas
$661K
NL
956
Navalign LLC
California
$661K
PL
957
Parthenon LLC
Kentucky
$659K
NG
958
Novem Group
New York
$656K
VIS
959
Vega Investment Solutions
France
$653K
CPA
960
Capital Planning Advisors
California
$648K
SLT
961
St Louis Trust
Missouri
$641K
LWA
962
Lineweaver Wealth Advisors
Ohio
$640K
PCIA
963
Prime Capital Investment Advisors
Kansas
$639K
MPI
964
Mairs & Power Inc
Minnesota
$639K
FMI
965
Frec Markets Inc
California
$638K
HIM
966
Hillsdale Investment Management
Ontario, Canada
$637K
GAM
967
Gould Asset Management
California
$634K
KHCM
968
Kirtland Hills Capital Management
Ohio
$633K
TFIPS
969
Towarzystwo Funduszy Inwestycyjnych PZU SA
$631K
CMI
970
Clare Market Investments
Texas
$631K
SACTSONJ
971
Supplemental Annuity Collective Trust (SACT) of New Jersey
New Jersey
$630K
ACM
972
ADAR1 Capital Management
Texas
$628K
AAA
973
American Alpha Advisors
New York
$628K
RS
974
R Squared
Hong Kong
$625K
CT
975
Caldwell Trust
Florida
$624K