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Boston Scientific

1,690 hedge funds and large institutions have $130B invested in Boston Scientific in 2025 Q3 according to their latest regulatory filings, with 177 funds opening new positions, 761 increasing their positions, 548 reducing their positions, and 133 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

1.08% less ownership

Funds ownership: 91.29%90.21% (-1.1%)

7% less funds holding in top 10

Funds holding in top 10: 4239 (-3)

10% less capital invested

Capital invested by funds: $145B → $130B (-$14.5B)

Holders
1,690
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
39
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.13B
Puts
$989M
Net Calls
Net Calls Change

Top Buyers

1 +$671M
2 +$547M
3 +$358M
4
Millennium Management
Millennium Management
New York
+$357M
5
Citadel Advisors
Citadel Advisors
Florida
+$342M
Name Holding Trade Value Shares
Change
Change in
Stake
FLPIM
251
F.L. Putnam Investment Management
Massachusetts
$32.8M
MIF
252
Mediolanum International Funds
Ireland
$32.7M
ACM
253
Aquatic Capital Management
Illinois
$32.3M
Creative Planning
254
Creative Planning
Kansas
$32.2M
CIS
255
Capital International Sarl
California
$32.1M
IIM
256
INTECH Investment Management
Florida
$31.6M
GF
257
Gabelli Funds
New York
$31.4M
Daiwa Securities Group
258
Daiwa Securities Group
Japan
$31.1M
Retirement Systems of Alabama
259
Retirement Systems of Alabama
Alabama
$30.9M
BPC
260
Banque Pictet & Cie
Switzerland
$30.5M
II
261
IFM Investors
Australia
$30.4M
PA
262
Perceptive Advisors
New York
$30.3M
JSSH
263
J. Safra Sarasin Holding
$29.9M
TC
264
TwinBeech Capital
New York
$29.8M
Fifth Third Bancorp
265
Fifth Third Bancorp
Ohio
$29.7M
Mirae Asset Global ETFs Holdings
266
Mirae Asset Global ETFs Holdings
Hong Kong
$29.7M
JFG
267
Jefferies Financial Group
New York
$29.5M
IHAM
268
Integral Health Asset Management
New York
$29.3M
LGF
269
LGT Group Foundation
Liechtenstein
$29.2M
AB
270
Amalgamated Bank
New York
$29.1M
Janney Montgomery Scott
271
Janney Montgomery Scott
Pennsylvania
$28.9M
EB
272
Eastern Bank
Massachusetts
$28.6M
FAF
273
Fjarde Ap-fonden
Sweden
$28.3M
OSAM
274
O'Shaughnessy Asset Management
Connecticut
$28.3M
Baird Financial Group
275
Baird Financial Group
Wisconsin
$28.2M