We are live on ! Find out more
BSX icon

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
SM
1026
Sciencast Management
New Jersey
$527K
LA
1027
Lifeworks Advisors
Michigan
$523K
GFA
1028
Gallagher Fiduciary Advisors
Illinois
$523K
SWM
1029
Spire Wealth Management
Virginia
$522K
PP
1030
PDS Planning
Ohio
$520K
WT
1031
Washington Trust
Rhode Island
$519K
AAS
1032
Ameritas Advisory Services
Nebraska
$517K
RPC
1033
Rossmore Private Capital
Connecticut
$515K
CRI
1034
Colonial River Investments
Virginia
$510K
BA
1035
Bridgewater Advisors
New York
$508K
KBFS
1036
Kohmann Bosshard Financial Services
Ohio
$506K
AA
1037
Ancora Advisors
Ohio
$505K
NAM
1038
NorthCrest Asset Manangement
Minnesota
$505K
LAM
1039
L2 Asset Management
Massachusetts
$502K
GI
1040
GLOBALT Investments
Georgia
$501K
Koshinski Asset Management
1041
Koshinski Asset Management
Illinois
$498K
OHWP
1042
Oak Harbor Wealth Partners
North Carolina
$498K
WFC
1043
Western Financial Corp
California
$497K
PWM
1044
Pines Wealth Management
North Carolina
$496K
MF
1045
Magnetar Financial
Illinois
$496K
BWP
1046
BSW Wealth Partners
Colorado
$494K
EPIMS
1047
Evelyn Partners Investment Management Services
$492K
TCWA
1048
Turtle Creek Wealth Advisors
Texas
$492K
CWMK
1049
Caliber Wealth Management (Kansas)
Kansas
$491K
BCG
1050
Breakwater Capital Group
New Jersey
$489K