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Boston Scientific

1,649 hedge funds and large institutions have $84.2B invested in Boston Scientific in 2026 Q1 according to their latest regulatory filings, with 187 funds opening new positions, 666 increasing their positions, 629 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:

32% less first-time investments, than exits

New positions opened: 187 | 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
1,649
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
Royal London Asset Management
201
Royal London Asset Management
United Kingdom
$41.8M
Thrivent Financial for Lutherans
202
Thrivent Financial for Lutherans
Minnesota
$40.6M
BPCE
203
Bank Pictet & Cie (Europe)
Germany
$40.2M
KK
204
KLP Kapitalforvaltning
Norway
$40M
Tudor Investment Corp
205
Tudor Investment Corp
Connecticut
$39.7M
Treasurer of the State of North Carolina
206
Treasurer of the State of North Carolina
North Carolina
$39.7M
A
207
AustralianSuper
Australia
$39.4M
BFS
208
Bradley Foster & Sargent
Connecticut
$39.4M
RPAM
209
Rhenman & Partners Asset Management
Sweden
$39.2M
JF
210
Jump Financial
Illinois
$38.8M
Ohio Public Employees Retirement System (OPERS)
211
Ohio Public Employees Retirement System (OPERS)
Ohio
$38M
State of Tennessee, Department of Treasury
212
State of Tennessee, Department of Treasury
Tennessee
$37.4M
SCB
213
Saudi Central Bank
Saudi Arabia
$37.2M
EOJOAM
214
E. Ohman J:or Asset Management
Sweden
$37.2M
Mawer Investment Management
215
Mawer Investment Management
Alberta, Canada
$37M
Polen Capital Management
216
Polen Capital Management
Florida
$36.4M
QCM
217
Quantinno Capital Management
New York
$36M
MSV
218
MN Services Vermogensbeheer
Netherlands
$35.7M
DCP
219
DSM Capital Partners
Florida
$35.4M
US Bancorp
220
US Bancorp
Minnesota
$35.2M
IHAM
221
Integral Health Asset Management
New York
$34.5M
MCM
222
MKP Capital Management
New York
$34.4M
N
223
Natixis
France
$33.9M
Fifth Third Bancorp
224
Fifth Third Bancorp
Ohio
$33.4M
DnB Asset Management
225
DnB Asset Management
Norway
$33.1M