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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
HI
851
Humankind Investments
New York
$1.3M
DWM
852
Darwin Wealth Management
Florida
$1.29M
CCM
853
Cinctive Capital Management
New York
$1.29M
SPA
854
Sherbrooke Park Advisers
New York
$1.29M
IIM
855
Intact Investment Management
Quebec, Canada
$1.29M
BIM
856
Baldwin Investment Management
Pennsylvania
$1.28M
VSQM
857
V-Square Quantitative Management
Illinois
$1.28M
Koshinski Asset Management
858
Koshinski Asset Management
Illinois
$1.28M
PMA
859
Prudent Man Advisors
Illinois
$1.28M
BPA
860
Beacon Pointe Advisors
California
$1.28M
BIG
861
Brookwood Investment Group
Arizona
$1.28M
APW
862
Aventura Private Wealth
Florida
$1.28M
AI
863
Arvest Investments
Arkansas
$1.27M
UIA
864
Ulland Investment Advisors
Minnesota
$1.27M
BBHC
865
Brown Brothers Harriman & Co
New York
$1.26M
BC
866
Burney Company
Virginia
$1.26M
VWM
867
VCI Wealth Management
Missouri
$1.26M
CIEC
868
Crédit Industriel et Commercial
France
$1.25M
WBC
869
Westpac Banking Corp
Australia
$1.25M
MHP
870
Manatuck Hill Partners
Connecticut
$1.24M
LJAC
871
L.J. Altfest & Co
New York
$1.23M
BOM
872
Bank of Marin
California
$1.22M
CA
873
Cullinan Associates
Kentucky
$1.21M
AWM
874
Axxcess Wealth Management
California
$1.2M
HNW
875
High Note Wealth
Minnesota
$1.19M