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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
FAM
601
Fulcrum Asset Management
United Kingdom
$3.88M
LRWA
602
Long Run Wealth Advisors
New York
$3.87M
AG
603
Ascent Group
Virginia
$3.86M
GVAG
604
Great Valley Advisor Group
Delaware
$3.83M
KRSITF
605
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$3.79M
GJWM
606
Gilliland Jeter Wealth Management
Arkansas
$3.79M
AAP
607
Arax Advisory Partners
Colorado
$3.76M
YC
608
Yarbrough Capital
Tennessee
$3.75M
RWM
609
Ritholtz Wealth Management
New York
$3.74M
KCM
610
Kennedy Capital Management
Missouri
$3.74M
OHIS
611
Oak Harvest Investment Services
Texas
$3.69M
AWA
612
Arkadios Wealth Advisors
Georgia
$3.68M
ASN
613
Advisory Services Network
Georgia
$3.65M
EAM
614
Eventide Asset Management
Massachusetts
$3.64M
IAA
615
Independent Advisor Alliance
North Carolina
$3.61M
MAS
616
Meeder Advisory Services
Ohio
$3.6M
MHC
617
May Hill Capital
Massachusetts
$3.56M
GIM
618
Goelzer Investment Management
Indiana
$3.45M
STA
619
Summit Trail Advisors
New York
$3.36M
TCM
620
Twin Capital Management
Pennsylvania
$3.35M
CT
621
Chicago Trust
Illinois
$3.34M
1832 Asset Management
622
1832 Asset Management
Ontario, Canada
$3.31M
GI
623
GAMMA Investing
California
$3.22M
BP
624
Ballentine Partners
Massachusetts
$3.19M
CFO
625
Callan Family Office
Pennsylvania
$3.17M