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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
HCM
1376
Howland Capital Management
Massachusetts
$242K
MAM
1377
Madison Asset Management
Wisconsin
$241K
OPA
1378
Old Port Advisors
Maine
$239K
SVWAG
1379
Sound View Wealth Advisors Group
Georgia
$237K
VCM
1380
Vivaldi Capital Management
Illinois
$237K
FFA
1381
First Foundation Advisors
California
$237K
EFSCE
1382
Enterprise Financial Services Corp (EFSC)
Missouri
$237K
BWP
1383
Balboa Wealth Partners
Arizona
$236K
BHPW
1384
Beverly Hills Private Wealth
California
$236K
DWM
1385
Daner Wealth Management
Georgia
$236K
TFS
1386
Thoroughbred Financial Services
Tennessee
$236K
PFG
1387
Putney Financial Group
California
$236K
4WM
1388
49 Wealth Management
Texas
$235K
CWM
1389
Cornerstone Wealth Management
Missouri
$235K
GFL
1390
Granite FO LLC
New Hampshire
$234K
CAM
1391
Claret Asset Management
Quebec, Canada
$234K
PAG
1392
Private Advisory Group
Washington
$234K
DOA
1393
D'Orazio & Associates
Virginia
$233K
CM
1394
Castleark Management
Illinois
$229K
SEP
1395
Southland Equity Partners
Missouri
$229K
CP
1396
Castleview Partners
Texas
$229K
RIP
1397
Reliant Investment Partners
North Carolina
$229K
FNBT
1398
FineMark National Bank & Trust
Florida
$227K
OWA
1399
Octavia Wealth Advisors
Ohio
$227K
KIM
1400
Kestra Investment Management
Texas
$227K