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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, 761 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:

1.08% less ownership

Funds ownership: 91.29%90.21% (-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
LA
1001
Lifeworks Advisors
Michigan
$767K
BTW
1002
Boston Trust Walden
Massachusetts
$761K
BCG
1003
Breakwater Capital Group
New Jersey
$761K
PA
1004
Pinnacle Associates
New York
$759K
MG
1005
Mather Group
Illinois
$756K
TCM
1006
Teza Capital Management
Illinois
$755K
AWM
1007
Aberdeen Wealth Management
Illinois
$754K
MA
1008
Mutual Advisors
Nebraska
$744K
Westfield Capital Management
1009
Westfield Capital Management
Massachusetts
$741K
HSA
1010
HBK Sorce Advisory
Pennsylvania
$740K
Fuller & Thaler Asset Management
1011
Fuller & Thaler Asset Management
California
$740K
ACM
1012
AUA Capital Management
Pennsylvania
$740K
IAN
1013
Integrated Advisors Network
Texas
$739K
DG
1014
DMC Group
Alabama
$737K
HPC
1015
Hobart Private Capital
North Carolina
$734K
GFA
1016
Gallagher Fiduciary Advisors
Illinois
$733K
AA
1017
Alta Advisers
United Kingdom
$730K
JFA
1018
JNBA Financial Advisors
Minnesota
$724K
WWM
1019
Wolff Wiese Magana
California
$723K
LCGC
1020
Legacy Capital Group California
California
$721K
Blackstone Inc
1021
Blackstone Inc
New York
$719K
PCM
1022
Polymer Capital Management
New York
$717K
FWP
1023
FAS Wealth Partners
Kansas
$710K
JSC
1024
Jackson Square Capital
California
$710K
TWM
1025
Thrive Wealth Management
Pennsylvania
$710K