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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
SCI
951
Stableford Capital II
Arizona
$895K
KCM
952
Kornitzer Capital Management
Kansas
$892K
TSW
953
Thompson Siegel & Walmsley
Virginia
$892K
CI
954
Conning Inc
Connecticut
$891K
NERM
955
New England Research & Management
Illinois
$891K
PPWP
956
Premier Path Wealth Partners
New Jersey
$890K
CI
957
CX Institutional
Indiana
$886K
VWM
958
Venturi Wealth Management
Texas
$882K
OIAM
959
OFI Invest Asset Management
France
$881K
PGF
960
Plan Group Financial
Oklahoma
$880K
AAG
961
Armstrong Advisory Group
Massachusetts
$879K
CA
962
Clearstead Advisors
Ohio
$878K
SB
963
SIG Brokerage
New York
$875K
FWA
964
FSM Wealth Advisors
Ohio
$875K
PFS
965
Prospera Financial Services
Texas
$872K
AWM
966
Avior Wealth Management
Nebraska
$871K
PWM
967
Pines Wealth Management
North Carolina
$863K
ECM
968
Evergreen Capital Management
Washington
$859K
SRL
969
Scientech Research LLC
New Jersey
$857K
A
970
AlphaQuest
New York
$854K
PP
971
PDS Planning
Ohio
$852K
PCS
972
Personal CFO Solutions
New Jersey
$847K
TFIPS
973
Towarzystwo Funduszy Inwestycyjnych PZU SA
$841K
GEA
974
Glen Eagle Advisors
New Jersey
$837K
JWCA
975
J.W. Cole Advisors
Florida
$836K