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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
Winslow Capital Management
1201
Winslow Capital Management
Minnesota
$295K
IFU
1202
iSAM Funds (UK)
United Kingdom
$295K
SWM
1203
Silverlake Wealth Management
Vermont
$292K
EFG
1204
Embree Financial Group
Illinois
$291K
FEG
1205
Financial Enhancement Group
Indiana
$290K
PFM
1206
Patton Fund Management
Texas
$290K
MBTD
1207
Mechanics Bank - Trust Department
California
$290K
WWM
1208
Wolff Wiese Magana
California
$287K
LSIA
1209
LaSalle St. Investment Advisors
Illinois
$287K
PWMG
1210
Prestige Wealth Management Group
New Jersey
$287K
HCP
1211
Hexagon Capital Partners
Arkansas
$286K
TWM
1212
TRB Wealth Management
Texas
$283K
PPW
1213
Pasadena Private Wealth
California
$283K
SAW
1214
Signal Advisors Wealth
Michigan
$283K
GAG
1215
GM Advisory Group
New York
$282K
CH
1216
Cromwell Holdings
Wyoming
$280K
IIL
1217
Income Insurance Ltd
$278K
CCM
1218
Cohen Capital Management
California
$277K
DC
1219
Darrow Company
Massachusetts
$277K
FAFN
1220
First Affirmative Financial Network
Colorado
$276K
FFWA
1221
Forthright Family Wealth Advisory
Texas
$275K
WCP
1222
Wick Capital Partners
Pennsylvania
$275K
OL
1223
Optas LLC
Texas
$274K
PTC
1224
Private Trust Company
Ohio
$272K
WG
1225
Welch Group
Alabama
$269K