Institutional Ownership Masimo Corp (MASI)
This table provides information about the institutional ownership of Masimo Corp (MASI). We have compiled data on the 427 institutions that hold shares in the stock, with a total of 45.5 Million shares, which have been reported (via 13F filing form) to have a value of $6.83 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
9,351,239
shares
|
$1.47 Billion
0.03% of portfolio
|
Q2 2024
Added 18.66%
|
|
|
Politan Capital Management LP
New York, NY |
May 15, 2025 Q1 2025 |
4,714,746
shares
|
$741 Million
53.41% of portfolio
|
Q2 2024
Added 0.03%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
May 09, 2025 Q1 2025 |
4,583,276
shares
|
$721 Million
0.01% of portfolio
|
Q1 2025
Reduced 0.07%
|
|
|
Capital Research Global Investors
Los Angeles, CA |
May 12, 2025 Q1 2025 |
2,056,095
shares
|
$323 Million
0.08% of portfolio
|
Q1 2025
Reduced 16.25%
|
|
|
Massachusetts Financial Services CO
Boston, MA |
May 02, 2025 Q1 2025 |
1,967,838
shares
|
$309 Million
0.12% of portfolio
|
Q1 2025
Added 13.41%
|
|
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
May 14, 2025 Q1 2025 |
1,673,252
shares
|
$263 Million
0.18% of portfolio
|
Q1 2025
Added 0.65%
|
|
|
State Street Corp
Boston, MA |
May 15, 2025 Q1 2025 |
1,475,991
shares
|
$232 Million
0.01% of portfolio
|
Q1 2025
Added 0.86%
|
|
|
Holocene Advisors, LP
New York, NY |
May 15, 2025 Q1 2025 |
1,333,296
shares
|
$210 Million
0.7% of portfolio
|
Q1 2025
Added 59.55%
|
|
|
Durable Capital Partners LP
Bethesda, MD |
May 15, 2025 Q1 2025 |
1,125,619
shares
|
$177 Million
1.75% of portfolio
|
Q1 2025
New holding
|
|
|
Alliancebernstein L.P.
New York, NY |
May 15, 2025 Q1 2025 |
865,870
shares
|
$136 Million
0.06% of portfolio
|
Q1 2025
Reduced 8.6%
|
|
|
Geode Capital Management, LLC
Boston, MA |
May 13, 2025 Q1 2025 |
844,318
shares
|
$133 Million
0.01% of portfolio
|
Q1 2025
Added 5.39%
|
|
|
Morgan Stanley
New York, NY |
May 15, 2025 Q1 2025 |
735,782
shares
|
$116 Million
0.01% of portfolio
|
Q1 2025
Reduced 0.28%
|
|
|
Alyeska Investment Group, L.P.
Chicago, IL |
May 15, 2025 Q1 2025 |
722,534
shares
|
$114 Million
0.52% of portfolio
|
Q1 2025
Added 24.87%
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
May 13, 2025 Q1 2025 |
703,378
shares
|
$111 Million
0.03% of portfolio
|
Q1 2025
Added 8.59%
|
|
|
Rtw Investments, LP
New York, NY |
May 15, 2025 Q1 2025 |
683,294
shares
|
$107 Million
1.87% of portfolio
|
Q4 2024
Reduced 53.28%
|
|
|
Westfield Capital Management CO LP
Boston, MA |
May 09, 2025 Q1 2025 |
671,479
shares
|
$106 Million
0.58% of portfolio
|
Q1 2025
Reduced 12.67%
|
|
|
Schroder Investment Management Group
London, X0 |
May 13, 2025 Q1 2025 |
435,548
shares
|
$68.5 Million
0.08% of portfolio
|
Q1 2025
Reduced 23.11%
|
|
|
Northern Trust Corp
Chicago, IL |
May 13, 2025 Q1 2025 |
383,356
shares
|
$60.3 Million
0.01% of portfolio
|
Q1 2025
Reduced 0.13%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
May 09, 2025 Q1 2025 |
377,070
shares
|
$59.3 Million
0.01% of portfolio
|
Q1 2025
Reduced 0.2%
|
|
|
Sumitomo Mitsui Trust Holdings, Inc.
|
Apr 25, 2025 Q1 2025 |
372,978
shares
|
$58.7 Million
0.05% of portfolio
|
Q1 2025
Reduced 0.19%
|
|
|
Ci Private Wealth, LLC
Miami, FL |
May 14, 2025 Q1 2025 |
348,038
shares
|
$54.7 Million
0.1% of portfolio
|
Q1 2025
Added 0.1%
|
|
|
Ensemble Capital
Ensemble Capital Management, LLC | San Francisco, Ca
|
Nov 12, 2024 Q3 2024 |
340,355
shares
|
$53.5 Million
3.85% of portfolio
|
Q3 2024
Reduced 16.4%
|
|
|
Bamco Inc
New York, NY |
May 15, 2025 Q1 2025 |
317,282
shares
|
$49.9 Million
0.16% of portfolio
|
Q1 2025
Added 3.3%
|
|
|
Bank Of America Corp
Charlotte, NC |
May 15, 2025 Q1 2025 |
316,643
shares
|
$49.8 Million
0.0% of portfolio
|
Q1 2025
Added 195.09%
|
|
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
May 15, 2025 Q1 2025 |
315,422
shares
|
$49.6 Million
0.13% of portfolio
|
Q1 2025
Added 26.93%
|