Institutional Ownership Masimo Corp (MASI)
This table provides information about the institutional ownership of Masimo Corp (MASI). We have compiled data on the 419 institutions that hold shares in the stock, with a total of 48.2 Million shares, which have been reported (via 13F filing form) to have a value of $7.1 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Ensemble Capital
Ensemble Capital Management, LLC | San Francisco, Ca
|
Nov 12, 2024 Q3 2024 |
340,355
shares
|
$50.6 Million
3.85% of portfolio
|
Q3 2024
Reduced 16.4%
|
|
|
Ci Private Wealth, LLC
Miami, FL |
Aug 15, 2025 Q2 2025 |
330,414
shares
|
$49.2 Million
0.07% of portfolio
|
Q2 2025
Reduced 5.06%
|
|
|
Artisan Partners Limited Partnership
Milwaukee, WI |
May 14, 2025 Q1 2025 |
299,023
shares
|
$44.5 Million
0.09% of portfolio
|
Q1 2025
New holding
|
|
|
First Republic Investment Management, Inc.
San Francisco, CA |
Nov 07, 2023 Q3 2023 |
261,856
shares
|
$39 Million
0.07% of portfolio
|
Q3 2023
Reduced 0.27%
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
246,489
shares
|
$36.7 Million
0.0% of portfolio
|
Q1 2025
Added 91.61%
|
|
|
Jeremy Grantham
Grantham, Mayo, Van Otterloo & Co. LLC | Boston, Ma
|
Aug 13, 2025 Q2 2025 |
240,563
shares
|
$35.8 Million
0.13% of portfolio
|
Q2 2025
New holding
|
|
|
Invesco Ltd.
Atlanta, GA |
Aug 13, 2025 Q2 2025 |
237,303
shares
|
$35.3 Million
0.01% of portfolio
|
Q2 2025
Reduced 9.2%
|
|
|
Ubs Asset Management Americas Inc
Chicago, IL |
Aug 14, 2025 Q2 2025 |
209,563
shares
|
$31.2 Million
0.01% of portfolio
|
Q2 2025
Added 10.8%
|
|
|
Raymond James Financial Inc
St. Petersburg, FL |
Aug 14, 2025 Q2 2025 |
200,229
shares
|
$29.8 Million
0.01% of portfolio
|
Q2 2025
Reduced 2.86%
|
|
|
Bank Of America Corp
Charlotte, NC |
Aug 14, 2025 Q2 2025 |
190,176
shares
|
$28.3 Million
0.0% of portfolio
|
Q2 2025
Reduced 39.94%
|
|
|
Comerica Bank
|
Aug 13, 2025 Q2 2025 |
189,822
shares
|
$28.2 Million
0.13% of portfolio
|
Q2 2025
Added 37.7%
|
|
|
Woodline Partners LP
San Francisco, CA |
Aug 14, 2025 Q2 2025 |
182,709
shares
|
$27.2 Million
0.17% of portfolio
|
Q2 2025
Added 37.41%
|
|
|
Raymond James & Associates
St Petersburg, FL |
Oct 18, 2024 Q3 2024 |
175,050
shares
|
$26 Million
0.01% of portfolio
|
Q3 2024
Reduced 3.04%
|
|
|
Td Asset Management Inc
|
Jul 28, 2025 Q2 2025 |
167,176
shares
|
$24.9 Million
0.03% of portfolio
|
Q2 2025
Added 88.54%
|
|
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
Aug 14, 2025 Q2 2025 |
165,356
shares
|
$24.6 Million
0.17% of portfolio
|
Q2 2025
Added 14.36%
|
|
|
American Century Companies Inc
Kansas City, MO |
Aug 12, 2025 Q2 2025 |
152,228
shares
|
$22.7 Million
0.01% of portfolio
|
Q2 2025
Added 92.27%
|
|
|
Nuveen, LLC
Charlotte, NC |
Aug 12, 2025 Q2 2025 |
149,658
shares
|
$22.3 Million
0.01% of portfolio
|
Q2 2025
Reduced 3.47%
|
|
|
Hawk Ridge Capital Management LP
Los Angeles, CA |
Aug 14, 2025 Q2 2025 |
148,685
shares
|
$22.1 Million
1.23% of portfolio
|
Q2 2025
New holding
|
|
|
Ubs Group Ag
|
Aug 14, 2025 Q2 2025 |
142,164
shares
|
$21.2 Million
0.0% of portfolio
|
Q2 2025
Reduced 16.46%
|
|
|
Rhumbline Advisers
Boston, MA |
Aug 12, 2025 Q2 2025 |
127,496
shares
|
$19 Million
0.02% of portfolio
|
Q2 2025
Added 3.81%
|
|
|
Quantinno Capital Management LP
New York, NY |
Aug 14, 2025 Q2 2025 |
120,383
shares
|
$17.9 Million
0.09% of portfolio
|
Q2 2025
Added 88.87%
|
|
|
Rockefeller Capital Management L.P.
New York, NY |
Aug 14, 2025 Q2 2025 |
115,626
shares
|
$17.2 Million
0.05% of portfolio
|
Q2 2025
New holding
|
|
|
Royal Bank Of Canada
Toronto, A6 |
Aug 14, 2025 Q2 2025 |
109,690
shares
|
$16.3 Million
0.0% of portfolio
|
Q2 2025
Added 149.95%
|
|
|
Toroso Investments, LLC
Massapequa, NY |
Aug 14, 2025 Q2 2025 |
106,198
shares
|
$15.8 Million
0.14% of portfolio
|
Q2 2025
Reduced 3.88%
|
|
|
Legal & General Group PLC
London, X0 |
Aug 12, 2025 Q2 2025 |
104,364
shares
|
$15.5 Million
0.0% of portfolio
|
Q2 2025
Added 4.84%
|