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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
RFP
1451
Root Financial Partners
California
$189K
DJSG
1452
D.J. St. Germain
Massachusetts
$188K
CIAS
1453
CBIZ Investment Advisory Services
Ohio
$188K
CA
1454
CoreCap Advisors
Michigan
$185K
MHR
1455
Matthew Hamilton Rosenberg
$182K
WA
1456
WPG Advisers
Maryland
$174K
WB
1457
Webster Bank
Connecticut
$170K
ZBNA
1458
Zions Bancorporation, National Association
Utah
$170K
AIA
1459
Aventus Investment Advisors
Florida
$170K
TSMHT
1460
Thurston Springer Miller Herd & Titak
Indiana
$168K
OA
1461
Operose Advisors
Wisconsin
$163K
PB
1462
Pinnacle Bancorp
Nebraska
$159K
BC
1463
Bayforest Capital
United Kingdom
$156K
GWS
1464
Greykasell Wealth Strategies
California
$155K
TC
1465
Truvestments Capital
Florida
$153K
HWM
1466
Hemington Wealth Management
Virginia
$148K
JWA
1467
JFS Wealth Advisors
Pennsylvania
$142K
WIM
1468
Westside Investment Management
California
$128K
LP
1469
LMR Partners
United Kingdom
$123K
SOW
1470
State of Wyoming
Wyoming
$120K
EWM
1471
Evermay Wealth Management
Virginia
$119K
TC
1472
Tacita Capital
Ontario, Canada
$117K
JWM
1473
JPL Wealth Management
Colorado
$116K
HCM
1474
Hollencrest Capital Management
California
$115K
AGWCA
1475
Annis Gardner Whiting Capital Advisors
Florida
$107K