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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
PNAA
501
Pictet North America Advisors
Switzerland
$5.99M
ALMGDA
502
AG2R La Mondiale Gestion d'Actifs
France
$5.99M
TRCT
503
Tower Research Capital (TRC)
New York
$5.98M
SP
504
Saranac Partners
$5.95M
FCM
505
Fortis Capital Management
Washington
$5.9M
EDRH
506
Edmond de Rothschild Holding
Switzerland
$5.89M
CAPTRUST Financial Advisors
507
CAPTRUST Financial Advisors
North Carolina
$5.87M
CRCM
508
Crystal Rock Capital Management
Illinois
$5.76M
MK
509
MASTERINVEST Kapitalanlage
$5.74M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
510
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$5.73M
HH
511
HWG Holdings
Texas
$5.72M
BCI
512
Brinker Capital Investments
Pennsylvania
$5.71M
CL
513
Choreo LLC
Illinois
$5.67M
RS
514
Robeco Schweiz
Switzerland
$5.67M
PFP
515
Pinnacle Financial Partners
Tennessee
$5.65M
BS
516
Banco Santander
Spain
$5.63M
BCM
517
BTC Capital Management
Iowa
$5.61M
TFA
518
Transamerica Financial Advisors
Florida
$5.54M
AHC
519
Adell Harriman & Carpenter
Texas
$5.51M
KA
520
Kintegral Advisory
New York
$5.42M
VAS
521
Vestmark Advisory Solutions
Massachusetts
$5.4M
OAC
522
OMERS Administration Corp
Ontario, Canada
$5.39M
BCM
523
Bayesian Capital Management
New York
$5.39M
Parallax Volatility Advisers
524
Parallax Volatility Advisers
California
$5.39M
FCM
525
Fieldview Capital Management
Michigan
$5.34M