Masimo Ownership

Who are the major shareholders and have insiders been buying or selling?


Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.


Ownership Breakdown

What is the ownership structure of M2AS34?
Owner TypeNumber of SharesOwnership Percentage
State or Government34,4460.0619%
Individual Insiders4,299,8787.73%
Hedge Funds4,714,7468.47%
Institutions46,592,70883.7%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.


Top Shareholders

Top 25 shareholders own 87.29% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
17.5%
BlackRock, Inc.
9,351,239R$8.6b0%0.02%
12.6%
FMR LLC
6,755,918R$6.2b41.2%0.06%
8.81%
Politan Capital Management, L.P.
4,714,746R$4.4b0%45.9%
8.44%
The Vanguard Group, Inc.
4,520,487R$4.2b-4.58%0.01%
7.82%
Joseph Kiani
4,187,666R$3.9b6.02%no data
2.98%
T. Rowe Price Group, Inc.
1,596,204R$1.5b30.6%0.02%
2.73%
RTW Investments, LP
1,462,400R$1.4b0%3.43%
2.69%
State Street Global Advisors, Inc.
1,438,814R$1.3b0.71%0.01%
2.6%
Westfield Capital Management Company, L.P.
1,394,056R$1.3b23.2%0.97%
2.54%
Capital Research and Management Company
1,360,328R$1.3b28.7%0.01%
2.35%
Farallon Capital Management, L.L.C.
1,258,563R$1.2b12.4%1.28%
1.8%
Ace Management Global Ltd.
965,504R$892.6m-8.99%44.02%
1.63%
Holocene Advisors, LP
875,159R$809.1m-15.6%0.56%
1.51%
Liontrust Asset Management PLC
808,693R$747.7m0%0.54%
1.48%
Geode Capital Management, LLC
792,886R$733.0m1.53%0.01%
1.48%
Massachusetts Financial Services Company
792,166R$732.4m9.76%0.03%
1.39%
Alyeska Investment Group, L.P.
745,127R$688.9m72.9%0.6%
1.37%
Schroder Investment Management North America Inc.
732,621R$677.3m38.6%0.37%
1.12%
Dimensional Fund Advisors LP
597,698R$552.6m13.7%0.01%
1.04%
Morgan Stanley, Investment Banking and Brokerage Investments
555,961R$514.0m98.3%0.01%
0.74%
AHL Partners LLP
398,345R$368.3m36.7%0.56%
0.7%
Nikko Asset Management Co., Ltd.
372,183R$344.1m-4.82%0.02%
0.69%
Charles Schwab Investment Management, Inc.
370,028R$342.1m-5.91%0.01%
0.65%
Baron Capital Group, Inc.
347,200R$321.0m0%0.13%
0.64%
Two Sigma Investments, LP
342,827R$317.0m36.6%0.13%