Institutional Ownership Masimo Corp (MASI)
This table provides information about the institutional ownership of Masimo Corp (MASI). We have compiled data on the 403 institutions that hold shares in the stock, with a total of 43.8 Million shares, which have been reported (via 13F filing form) to have a value of $7.48 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
|
$1.59 Billion
0.03% of portfolio
|
Q2 2024
Added 18.66%
|
|
|
Politan Capital Management LP
New York, NY |
Feb 14, 2025 Q4 2024 |
4,714,746
shares
|
$799 Million
50.56% of portfolio
|
Q2 2024
Added 0.03%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Feb 11, 2025 Q4 2024 |
4,586,702
shares
|
$778 Million
0.01% of portfolio
|
Q4 2024
Added 1.46%
|
|
|
Capital Research Global Investors
Los Angeles, CA |
Feb 13, 2025 Q4 2024 |
2,454,975
shares
|
$416 Million
0.09% of portfolio
|
Q4 2024
Added 80.47%
|
|
|
Massachusetts Financial Services CO
Boston, MA |
Feb 12, 2025 Q4 2024 |
1,735,167
shares
|
$294 Million
0.1% of portfolio
|
Q4 2024
Added 119.04%
|
|
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
Feb 14, 2025 Q4 2024 |
1,662,376
shares
|
$282 Million
0.17% of portfolio
|
Q4 2024
Added 8.9%
|
|
|
State Street Corp
Boston, MA |
Feb 14, 2025 Q4 2024 |
1,463,466
shares
|
$248 Million
0.01% of portfolio
|
Q4 2024
Added 1.71%
|
|
|
Alliancebernstein L.P.
New York, NY |
Feb 12, 2025 Q4 2024 |
947,391
shares
|
$161 Million
0.06% of portfolio
|
Q4 2024
Added 1276.94%
|
|
|
Holocene Advisors, LP
New York, NY |
Feb 14, 2025 Q4 2024 |
835,660
shares
|
$142 Million
0.47% of portfolio
|
Q4 2024
Reduced 4.51%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Feb 12, 2025 Q4 2024 |
801,125
shares
|
$136 Million
0.01% of portfolio
|
Q4 2024
Added 1.04%
|
|
|
Westfield Capital Management CO LP
Boston, MA |
Feb 11, 2025 Q4 2024 |
768,858
shares
|
$130 Million
0.59% of portfolio
|
Q4 2024
Reduced 44.85%
|
|
|
Morgan Stanley
New York, NY |
Feb 14, 2025 Q4 2024 |
737,841
shares
|
$125 Million
0.01% of portfolio
|
Q4 2024
Added 0.13%
|
|
|
Rtw Investments, LP
New York, NY |
Feb 14, 2025 Q4 2024 |
683,294
shares
|
$116 Million
1.84% of portfolio
|
Q4 2024
Reduced 53.28%
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
Feb 13, 2025 Q4 2024 |
647,720
shares
|
$110 Million
0.03% of portfolio
|
Q4 2024
Added 8.37%
|
|
|
Alyeska Investment Group, L.P.
Chicago, IL |
Feb 14, 2025 Q4 2024 |
578,635
shares
|
$98.1 Million
0.38% of portfolio
|
Q4 2024
Reduced 22.34%
|
|
|
Schroder Investment Management Group
London, X0 |
Feb 12, 2025 Q4 2024 |
566,469
shares
|
$96 Million
0.09% of portfolio
|
Q4 2024
Reduced 22.68%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Feb 14, 2025 Q4 2024 |
441,025
shares
|
$74.8 Million
0.01% of portfolio
|
Q4 2024
Added 132.67%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Feb 14, 2025 Q4 2024 |
408,058
shares
|
$69.2 Million
0.04% of portfolio
|
Q4 2024
Added 1294.93%
|
|
|
Farallon Capital Management LLC
San Francisco, CA |
Feb 14, 2025 Q4 2024 |
397,000
shares
|
$67.3 Million
0.35% of portfolio
|
Q4 2024
Reduced 68.46%
|
|
|
Northern Trust Corp
Chicago, IL |
Feb 14, 2025 Q4 2024 |
383,869
shares
|
$65.1 Million
0.01% of portfolio
|
Q4 2024
Added 27.51%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
Feb 06, 2025 Q4 2024 |
377,836
shares
|
$64.1 Million
0.01% of portfolio
|
Q4 2024
Added 2.11%
|
|
|
Sumitomo Mitsui Trust Holdings, Inc.
|
Jan 28, 2025 Q4 2024 |
373,705
shares
|
$63.4 Million
0.04% of portfolio
|
Q4 2024
Added 0.41%
|
|
|
Ci Private Wealth, LLC
Miami, FL |
Feb 10, 2025 Q4 2024 |
347,683
shares
|
$58.9 Million
0.09% of portfolio
|
Q4 2024
Added 8847.07%
|
|
|
Ensemble Capital
Ensemble Capital Management, LLC | San Francisco, Ca
|
Nov 12, 2024 Q3 2024 |
340,355
shares
|
$57.7 Million
3.85% of portfolio
|
Q3 2024
Reduced 16.4%
|
|
|
Bamco Inc
New York, NY |
Feb 14, 2025 Q4 2024 |
307,144
shares
|
$52.1 Million
0.14% of portfolio
|
Q4 2024
Reduced 11.54%
|