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Boston Scientific

1,691 hedge funds and large institutions have $131B invested in Boston Scientific in 2025 Q3 according to their latest regulatory filings, with 177 funds opening new positions, 762 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:

0.88% less ownership

Funds ownership: 91.29%90.41% (-0.88%)

7% less funds holding in top 10

Funds holding in top 10: 4239 (-3)

10% less capital invested

Capital invested by funds: $145B → $131B (-$14.2B)

Holders
1,691
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
Pathstone Holdings
376
Pathstone Holdings
New Jersey
$14.5M
WG
377
Winton Group
United Kingdom
$14.4M
Wealthfront Advisers
378
Wealthfront Advisers
California
$14.3M
Nordea Investment Management
379
Nordea Investment Management
Sweden
$14M
Verition Fund Management
380
Verition Fund Management
Connecticut
$13.9M
WC
381
Westwind Capital
New Mexico
$13.8M
MFG
382
Merit Financial Group
Georgia
$13.8M
Lido Advisors
383
Lido Advisors
California
$13.8M
FP
384
Financial Perspectives
Minnesota
$13.3M
VLKIM
385
Van Lanschot Kempen Investment Management
Netherlands
$13.3M
Pacer Advisors
386
Pacer Advisors
Pennsylvania
$13.2M
SWIG
387
Strategic Wealth Investment Group
Kentucky
$13M
MGP
388
M&G plc
United Kingdom
$12.9M
DIA
389
Dana Investment Advisors
Wisconsin
$12.7M
BCM
390
Brookstone Capital Management
Illinois
$12.6M
TWC
391
TD Waterhouse Canada
Ontario, Canada
$12.5M
SLI
392
Sumitomo Life Insurance
Japan
$12.5M
EPIM
393
Evelyn Partners Investment Management
$12.4M
SC
394
Sapient Capital
Indiana
$12.3M
HFS
395
Hantz Financial Services
Michigan
$12.2M
ABTD
396
Arvest Bank Trust Division
Oklahoma
$12.2M
VIM
397
Vinva Investment Management
Australia
$12.1M
GI
398
GAMCO Investors
Connecticut
$12.1M
SCM
399
Shelton Capital Management
Colorado
$12.1M
DWM
400
Dakota Wealth Management
Florida
$12M