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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, 760 increasing their positions, 549 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%90.2% (-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
WG
376
Winton Group
United Kingdom
$14.4M
Wealthfront Advisers
377
Wealthfront Advisers
California
$14.3M
Nordea Investment Management
378
Nordea Investment Management
Sweden
$14M
Verition Fund Management
379
Verition Fund Management
Connecticut
$13.9M
WC
380
Westwind Capital
New Mexico
$13.8M
MFG
381
Merit Financial Group
Georgia
$13.8M
Lido Advisors
382
Lido Advisors
California
$13.8M
FP
383
Financial Perspectives
Minnesota
$13.3M
VLKIM
384
Van Lanschot Kempen Investment Management
Netherlands
$13.3M
Pacer Advisors
385
Pacer Advisors
Pennsylvania
$13.2M
SWIG
386
Strategic Wealth Investment Group
Kentucky
$13M
MGP
387
M&G plc
United Kingdom
$12.9M
DIA
388
Dana Investment Advisors
Wisconsin
$12.7M
BCM
389
Brookstone Capital Management
Illinois
$12.6M
TWC
390
TD Waterhouse Canada
Ontario, Canada
$12.5M
SLI
391
Sumitomo Life Insurance
Japan
$12.5M
EPIM
392
Evelyn Partners Investment Management
$12.4M
SC
393
Sapient Capital
Indiana
$12.3M
HFS
394
Hantz Financial Services
Michigan
$12.2M
ABTD
395
Arvest Bank Trust Division
Oklahoma
$12.2M
VIM
396
Vinva Investment Management
Australia
$12.1M
GI
397
GAMCO Investors
Connecticut
$12.1M
SCM
398
Shelton Capital Management
Colorado
$12.1M
DWM
399
Dakota Wealth Management
Florida
$12M
GWM
400
GDS Wealth Management
Texas
$11.9M