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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
MG
1026
Mather Group
Illinois
$528K
SM
1027
Sciencast Management
New Jersey
$527K
LA
1028
Lifeworks Advisors
Michigan
$523K
GFA
1029
Gallagher Fiduciary Advisors
Illinois
$523K
SWM
1030
Spire Wealth Management
Virginia
$522K
PP
1031
PDS Planning
Ohio
$520K
WT
1032
Washington Trust
Rhode Island
$519K
AAS
1033
Ameritas Advisory Services
Nebraska
$517K
RPC
1034
Rossmore Private Capital
Connecticut
$515K
CRI
1035
Colonial River Investments
Virginia
$510K
BA
1036
Bridgewater Advisors
New York
$508K
KBFS
1037
Kohmann Bosshard Financial Services
Ohio
$506K
AA
1038
Ancora Advisors
Ohio
$505K
NAM
1039
NorthCrest Asset Manangement
Minnesota
$505K
LAM
1040
L2 Asset Management
Massachusetts
$502K
GI
1041
GLOBALT Investments
Georgia
$501K
Koshinski Asset Management
1042
Koshinski Asset Management
Illinois
$498K
OHWP
1043
Oak Harbor Wealth Partners
North Carolina
$498K
WFC
1044
Western Financial Corp
California
$497K
PWM
1045
Pines Wealth Management
North Carolina
$496K
MF
1046
Magnetar Financial
Illinois
$496K
BWP
1047
BSW Wealth Partners
Colorado
$494K
EPIMS
1048
Evelyn Partners Investment Management Services
$492K
TCWA
1049
Turtle Creek Wealth Advisors
Texas
$492K
CWMK
1050
Caliber Wealth Management (Kansas)
Kansas
$491K