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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
Mirae Asset Global ETFs Holdings
326
Mirae Asset Global ETFs Holdings
Hong Kong
$15M
Nomura Holdings
327
Nomura Holdings
Japan
$15M
VIM
328
Vinva Investment Management
Australia
$14.9M
LP
329
LMR Partners
United Kingdom
$14.6M
SCM
330
Shelton Capital Management
Colorado
$14.6M
DILIC
331
Dai-ichi Life Insurance Company
Japan
$14.5M
PTPFOECYE
332
PBU - The Pension Fund of Early Childhood & Youth Educators
$14.5M
UBP
333
Union Bancaire Privee
Switzerland
$14.4M
TI
334
Tidal Investments
Wisconsin
$14.3M
PFSRSONJ
335
Police & Firemen's Retirement System of New Jersey
New Jersey
$14.3M
EI
336
Ethic Inc
New York
$14.3M
QCM
337
Qsemble Capital Management
New York
$14.2M
AAP
338
Aristotle Atlantic Partners
Florida
$14M
GT
339
Glenview Trust
Kentucky
$13.9M
SMDAM
340
Sumitomo Mitsui DS Asset Management
Japan
$13.9M
RIM
341
Rakuten Investment Management
Japan
$13.8M
NIM
342
NEOS Investment Management
Connecticut
$13.8M
NYLIM
343
New York Life Investment Management
New York
$13.8M
BFIM
344
Beese Fulmer Investment Management
Ohio
$13.8M
Walleye Trading
345
Walleye Trading
New York
$13.8M
LFG
346
Lazard Frères Gestion
France
$13.6M
VPIM
347
Vanguard Personalized Indexing Management
California
$13.5M
B
348
Bailard
California
$13.4M
IMPI
349
Ilmarinen Mutual Pension Insurance
Finland
$13.4M
KAS
350
Kestra Advisory Services
Texas
$13.3M