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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
HP
951
HealthInvest Partners
Sweden
$898K
SCI
952
Stableford Capital II
Arizona
$895K
KCM
953
Kornitzer Capital Management
Kansas
$892K
TSW
954
Thompson Siegel & Walmsley
Virginia
$892K
CI
955
Conning Inc
Connecticut
$891K
NERM
956
New England Research & Management
Illinois
$891K
PPWP
957
Premier Path Wealth Partners
New Jersey
$890K
CI
958
CX Institutional
Indiana
$886K
VWM
959
Venturi Wealth Management
Texas
$882K
OIAM
960
OFI Invest Asset Management
France
$881K
PGF
961
Plan Group Financial
Oklahoma
$880K
AAG
962
Armstrong Advisory Group
Massachusetts
$879K
CA
963
Clearstead Advisors
Ohio
$878K
SB
964
SIG Brokerage
New York
$875K
FWA
965
FSM Wealth Advisors
Ohio
$875K
PFS
966
Prospera Financial Services
Texas
$872K
AWM
967
Avior Wealth Management
Nebraska
$871K
PWM
968
Pines Wealth Management
North Carolina
$863K
ECM
969
Evergreen Capital Management
Washington
$859K
SRL
970
Scientech Research LLC
New Jersey
$857K
A
971
AlphaQuest
New York
$854K
PP
972
PDS Planning
Ohio
$852K
PCS
973
Personal CFO Solutions
New Jersey
$847K
TFIPS
974
Towarzystwo Funduszy Inwestycyjnych PZU SA
$841K
GEA
975
Glen Eagle Advisors
New Jersey
$837K