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Masimo
MASI

Overview Fund Activity

369 hedge funds and large institutions have $9.59B invested in Masimo in 2025 Q2 according to their latest regulatory filings, with 43 funds opening new positions, 124 increasing their positions, 135 reducing their positions, and 58 closing their positions.

Holders
369
Holders Change
-23
Holders Change %
-5.87%
% of All Funds
4.96%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
43
Increased
124
Reduced
135
Closed
58
Calls
$2.02M
Puts
$403K
Net Calls
+$1.62M
Net Calls Change
-$17K

Top Buyers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$421M
2
Viking Global Investors
2
Viking Global Investors
Connecticut
$129M
3
BlackRock
3
BlackRock
New York
$1.77B
4
Westfield Capital Management
4
Westfield Capital Management
Massachusetts
$199M
5
Massachusetts Financial Services
5
Massachusetts Financial Services
Massachusetts
$416M

Top Sellers

1
Artisan Partners
1
Artisan Partners
Wisconsin
$0
2
Point72 Asset Management
2
Point72 Asset Management
Connecticut
$4.07M
3
Capital Research Global Investors
3
Capital Research Global Investors
California
$312M
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$88M
5
Millennium Management
5
Millennium Management
New York
$657K
Name Market Value Shares Shares
Change 		Shares
Change %
Citadel Advisors
101
Citadel Advisors
Florida
$4.08M 24,277 -25,205 -51%
Point72 Asset Management
102
Point72 Asset Management
Connecticut
$4.07M 24,219 -291,203 -92%
New York State Common Retirement Fund
103
New York State Common Retirement Fund
New York
$4.06M 24,160 – –
SCM
104
Sterling Capital Management
North Carolina
$3.91M 23,267 +2,661 +13%
MAM
105
Montanaro Asset Management
United Kingdom
$3.85M 22,860 -9,440 -29%
MOACM
106
Mutual of America Capital Management
New York
$3.76M 22,379 -492 -2%
AB
107
Amalgamated Bank
New York
$3.66M 21,743 +1,081 +5%
State of Wisconsin Investment Board
108
State of Wisconsin Investment Board
Wisconsin
$3.64M 21,644 +5,110 +31%
PL
109
Perpetual Ltd
Australia
$3.56M 21,172 -9,037 -30%
Treasurer of the State of North Carolina
110
Treasurer of the State of North Carolina
North Carolina
$3.54M 21,053 +1,198 +6%
Allspring Global Investments
111
Allspring Global Investments
North Carolina
$3.53M 20,897 -17,405 -45%
CCMINC
112
Cardinal Capital Management Inc (North Carolina)
North Carolina
$3.4M 20,237 +369 +2%
Janus Henderson Group
113
Janus Henderson Group
United Kingdom
$3.36M 20,000 – –
VOYA Investment Management
114
VOYA Investment Management
Georgia
$3.29M 19,581 +7,307 +60%
CB
115
Commerce Bank
Missouri
$3.27M 19,430 +14,406 +287%
Verition Fund Management
116
Verition Fund Management
Connecticut
$3.08M 18,313 -125,446 -87%
Wells Fargo
117
Wells Fargo
California
$3.06M 18,189 -328 -2%
State of Tennessee, Department of Treasury
118
State of Tennessee, Department of Treasury
Tennessee
$3.06M 18,170 – –
PFSRSONJ
119
Police & Firemen's Retirement System of New Jersey
New Jersey
$2.85M 16,943 +1,215 +8%
Ensign Peak Advisors
120
Ensign Peak Advisors
Utah
$2.69M 15,976 +843 +6%
State of New Jersey Common Pension Fund D
121
State of New Jersey Common Pension Fund D
New Jersey
$2.67M 15,867 – –
Canada Pension Plan Investment Board
122
Canada Pension Plan Investment Board
Ontario, Canada
$2.66M 15,800 – –
YCM
123
Yousif Capital Management
Michigan
$2.63M 15,641 -145 -0.9%
Brown Advisory
124
Brown Advisory
Maryland
$2.61M 15,532 +44 +0.3%
Two Sigma Investments
125
Two Sigma Investments
New York
$2.6M 15,465 -9,700 -39%
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5
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