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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
CFB
276
Cullen/Frost Bankers
Texas
$21.3M
LA
277
LBP AM
France
$21.2M
SMFG
278
Sumitomo Mitsui Financial Group
Japan
$21M
II
279
IFM Investors
Australia
$20.9M
EB
280
Eastern Bank
Massachusetts
$20.8M
MCM
281
MAI Capital Management
Ohio
$20.7M
WT
282
Whittier Trust
California
$20.5M
OBAM
283
ODDO BHF Asset Management
France
$20.5M
GF
284
Gabelli Funds
New York
$20.4M
Retirement Systems of Alabama
285
Retirement Systems of Alabama
Alabama
$19.8M
IC
286
IEQ Capital
California
$19.6M
LGF
287
LGT Group Foundation
Liechtenstein
$19.6M
TAM
288
Trillium Asset Management
Massachusetts
$19.6M
ECM
289
ExodusPoint Capital Management
New York
$19.5M
BI
290
BlueSpruce Investments
Illinois
$19.2M
BS
291
Banco Santander
Spain
$19.1M
EGM
292
Engineers Gate Manager
New York
$18.9M
CCM
293
Catalio Capital Management
New York
$18.8M
WPC
294
Waters Parkerson & Co
Louisiana
$18.5M
X
295
Xponance
Pennsylvania
$18.5M
TWC
296
TD Waterhouse Canada
Ontario, Canada
$18.5M
EHI
297
Eagle Health Investments
Connecticut
$18.4M
PP
298
PensionDanmark Pensionsforsikringsaktieselskab
Denmark
$18.3M
WP
299
Woodline Partners
California
$18.2M
XT
300
XTX Topco
Cayman Islands
$18.2M