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Boston Scientific

1,662 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, 673 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
1,662
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
RIL
876
Rothschild Investment LLC
Illinois
$870K
CPIG
877
Chicago Partners Investment Group
Illinois
$869K
GIA
878
Gladstone Institutional Advisory
Florida
$868K
RZH
879
Relyea Zuckerberg Hanson
Connecticut
$858K
TPCW
880
TD Private Client Wealth
New York
$854K
TCA
881
Transcend Capital Advisors
New Jersey
$854K
GA
882
GraniteShares Advisors
New York
$853K
Optiver Holding
883
Optiver Holding
Netherlands
$852K
ST
884
Smithfield Trust
Pennsylvania
$850K
EWA
885
EverSource Wealth Advisors
Alabama
$847K
LHC
886
Little House Capital
Massachusetts
$843K
LFAS
887
Level Four Advisory Services
Texas
$834K
PFS
888
Prospera Financial Services
Texas
$833K
AIP
889
Ameritas Investment Partners
Nebraska
$833K
TBA
890
Tower Bridge Advisors
Pennsylvania
$831K
BFA
891
Brown Financial Advisors
Ohio
$824K
WAM
892
Weiss Asset Management
Massachusetts
$821K
SI
893
Stephens Inc
Arkansas
$814K
GGHC
894
Gilder Gagnon Howe & Co
New York
$812K
SIA
895
Strategic Investment Advisors
Michigan
$812K
SWP
896
Sagespring Wealth Partners
Tennessee
$811K
ET
897
Equitable Trust
Tennessee
$810K
UIA
898
Ulland Investment Advisors
Minnesota
$809K
IAS
899
Insigneo Advisory Services
Florida
$804K
AI
900
AXS Investments
New York
$801K