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MASI

Masimo

Delisted

MASI was delisted on the 9th of June, 2026.

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$826M -$661M -4,211,041 -48%
PCM
2
Politan Capital Management
New York
$816M
PCM
3
Pentwater Capital Management
Florida
$565M +$498M +3,176,000 New
Barclays
4
Barclays
United Kingdom
$488M +$422M +2,685,627 +4,602%
HI
5
HBK Investments
Texas
$458M +$404M +2,576,109 New
Massachusetts Financial Services
6
Massachusetts Financial Services
Massachusetts
$417M -$50.4M -321,085 -12%
Vanguard Capital Management
7
Vanguard Capital Management
Pennsylvania
$365M +$322M +2,050,045 New
Vanguard Portfolio Management
8
Vanguard Portfolio Management
Pennsylvania
$357M +$315M +2,006,861 New
Fidelity Investments
9
Fidelity Investments
Massachusetts
$258M -$1.01B -6,413,341 -82%
State Street
10
State Street
Massachusetts
$256M +$3.54M +22,528 +2%
Millennium Management
11
Millennium Management
New York
$176M +$126M +800,888 +426%
Goldman Sachs
12
Goldman Sachs
New York
$175M +$54.5M +347,494 +55%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$170M +$433K +2,760 +0.3%
AQR Capital Management
14
AQR Capital Management
Connecticut
$147M -$40.7M -259,360 -24%
Balyasny Asset Management
15
Balyasny Asset Management
Illinois
$137M +$121M +770,986 New
Morgan Stanley
16
Morgan Stanley
New York
$134M -$26.4M -168,318 -18%
DKCM
17
Davidson Kempner Capital Management
New York
$104M +$92M +585,988 New
JP Morgan Chase
18
JP Morgan Chase
New York
$102M +$71.4M +454,847 +386%
Citigroup
19
Citigroup
New York
$94.9M +$64.7M +412,157 +340%
SG Americas Securities
20
SG Americas Securities
New York
$93M +$79.5M +506,395 +3,082%
Fidelity International
21
Fidelity International
Bermuda
$85.7M +$75.6M +482,000 New
FTCM
22
First Trust Capital Management
Illinois
$85.3M +$75.2M +479,403 New
HSBC Holdings
23
HSBC Holdings
United Kingdom
$84.3M +$74.3M +473,434 New
UBS Group
24
UBS Group
Switzerland
$83.3M -$20.6M -131,017 -22%
MF
25
Magnetar Financial
Illinois
$76M +$66.2M +421,626 +7,729%