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Boston Scientific

1,663 hedge funds and large institutions have $84.2B invested in Boston Scientific in 2026 Q1 according to their latest regulatory filings, with 190 funds opening new positions, 674 increasing their positions, 632 reducing their positions, and 276 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

31% less first-time investments, than exits

New positions opened: 190 | Existing positions closed: 276

32% less funds holding in top 10

Funds holding in top 10: 3725 (-12)

35% less capital invested

Capital invested by funds: $130B → $84.2B (-$45.8B)

Holders
1,663
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
25
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.56B
Puts
$640M
Net Calls
Net Calls Change

Top Buyers

1 +$1.05B
2 +$730M
3 +$706M
4
JP Morgan Chase
JP Morgan Chase
New York
+$638M
5
Two Sigma Investments
Two Sigma Investments
New York
+$555M
Name Holding Trade Value Shares
Change
Change in
Stake
PA
876
Pinnacle Associates
New York
$878K
RIL
877
Rothschild Investment LLC
Illinois
$870K
CPIG
878
Chicago Partners Investment Group
Illinois
$869K
GIA
879
Gladstone Institutional Advisory
Florida
$868K
RZH
880
Relyea Zuckerberg Hanson
Connecticut
$858K
TPCW
881
TD Private Client Wealth
New York
$854K
TCA
882
Transcend Capital Advisors
New Jersey
$854K
GA
883
GraniteShares Advisors
New York
$853K
Optiver Holding
884
Optiver Holding
Netherlands
$852K
ST
885
Smithfield Trust
Pennsylvania
$850K
EWA
886
EverSource Wealth Advisors
Alabama
$847K
LHC
887
Little House Capital
Massachusetts
$843K
LFAS
888
Level Four Advisory Services
Texas
$834K
PFS
889
Prospera Financial Services
Texas
$833K
AIP
890
Ameritas Investment Partners
Nebraska
$833K
TBA
891
Tower Bridge Advisors
Pennsylvania
$831K
BFA
892
Brown Financial Advisors
Ohio
$824K
WAM
893
Weiss Asset Management
Massachusetts
$821K
SI
894
Stephens Inc
Arkansas
$814K
GGHC
895
Gilder Gagnon Howe & Co
New York
$812K
SIA
896
Strategic Investment Advisors
Michigan
$812K
SWP
897
Sagespring Wealth Partners
Tennessee
$811K
ET
898
Equitable Trust
Tennessee
$810K
UIA
899
Ulland Investment Advisors
Minnesota
$809K
IAS
900
Insigneo Advisory Services
Florida
$804K