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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
QIM
476
Quantitative Investment Management
Virginia
$5.88M
SA
477
Sanctuary Advisors
Indiana
$5.86M
CDDEC
478
Caisse Des Depots Et Consignations
France
$5.86M
EF
479
Empowered Funds
Pennsylvania
$5.77M
VA
480
Vident Advisory
Georgia
$5.77M
NO
481
Ninety One
South Africa
$5.71M
CAPTRUST Financial Advisors
482
CAPTRUST Financial Advisors
North Carolina
$5.68M
NB
483
Norinchukin Bank
Japan
$5.67M
MSU
484
Mizuho Securities USA
New York
$5.63M
FG
485
Foresight Group
United Kingdom
$5.61M
NONA
486
Ninety One North America
New York
$5.59M
Dodge & Cox
487
Dodge & Cox
California
$5.58M
VanEck Associates
488
VanEck Associates
New York
$5.57M
FCM
489
Fortis Capital Management
Washington
$5.44M
LMIM
490
Lockheed Martin Investment Management
Maryland
$5.39M
EP
491
Edgestream Partners
New Jersey
$5.38M
CPCPP
492
Canada Post Corporation Pension Plan
Canada
$5.35M
FMI
493
Factory Mutual Insurance
Massachusetts
$5.31M
DCM
494
Dupont Capital Management
Delaware
$5.31M
HIMCH
495
Hartford Investment Management Co (HIMCO)
Connecticut
$5.3M
BCM
496
BTC Capital Management
Iowa
$5.28M
OBGC
497
O'Brien Greene & Co
Pennsylvania
$5.23M
SIP
498
Stoneridge Investment Partners
Pennsylvania
$5.2M
EH
499
Equitable Holdings
New York
$5.18M
OPCM
500
Osborne Partners Capital Management
California
$5.18M