MASIMO CORP (MASI) Stock Ownership

NASDAQ:MASI • US5747951003

Current stock price

177.87 USD
+0.55 (+0.31%)
Last:

MASI Ownership information

MASI Ownership Chart.MASI Ownership Chart: showing Insider, Institutional ownership and shares available to the public.MASI Ownership.InsiderInstitutional



Shares Outstanding52.20M
Float49.57M
Float Short Interest Percentage5.41%
Owners (insider)0.21%
Owners (institutional)108.09%
Owners (insider) change2.56%
Owners (institutional) change-2.15%
MASI Institutional Ownership HistoryMASI Institutional Ownership HistoryMASI Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 10M 20M 30M 40M 50M
MASI Historical Insider Transactions ChartMASI Historical Insider Buy and Sell Transactions ChartMASI Historical Insider Transactions Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 0 -100K -200K -300K -400K -500K
DateNameTypeSharesPriceAmount
Mar 11, 2026Szyman Catherine M.Option Excercise21010.00$ 0.00
Mar 11, 2026Szyman Catherine M.Option Excercise1069175.47$ 187,577.43
Mar 11, 2026Young Micah WOption Excercise8730.00$ 0.00
Mar 11, 2026Young Micah WOption Excercise471175.47$ 82,646.37
Feb 27, 2026Young Micah WGrant150000.00$ 0.00
Feb 27, 2026Young Micah WOption Excercise8093175.35$ 1,419,107.55
Feb 26, 2026Young Micah WGrant20340.00$ 0.00
Feb 26, 2026Young Micah WOption Excercise1123175.22$ 196,772.06
Feb 12, 2026Szyman Catherine M.Option Excercise11141132.96$ 1,481,307.36
Feb 12, 2026Szyman Catherine M.Option Excercise45680.00$ 0.00
Jan 28, 2026Sampath AnandOption Excercise3000037.84$ 1,135,200.00
Jan 28, 2026Sampath AnandOpen Market Sale18680136.81$ 2,555,570.28
Nov 13, 2025Ahmed OmarOption Excercise2474152.43$ 377,111.82
Nov 13, 2025Ahmed OmarOption Excercise9740.00$ 0.00
Sep 23, 2025Tripodi BlairOption Excercise15000142.13$ 2,131,950.00
Sep 23, 2025Tripodi BlairOption Excercise80780.00$ 0.00
Aug 29, 2025Politan Capital Management LPOther Disposition1268880.00$ 0.00
Aug 29, 2025Politan Capital Management GP LLCOther Disposition1268880.00$ 0.00
Aug 29, 2025Politan Capital Partners GP LLCOther Disposition1268880.00$ 0.00
Aug 29, 2025Koffey QuentinOther Disposition1268880.00$ 0.00
Aug 12, 2025Brennan MichelleOpen Market Purchase200152.80$ 30,560.00
Aug 11, 2025Jellison William ROpen Market Purchase3000145.98$ 437,940.00
May 12, 2025Muhsin BilalOption Excercise1000034.51$ 345,100.00
May 12, 2025Muhsin BilalOpen Market Sale10000163.28$ 1,632,781.24
Apr 29, 2025Politan Capital Management LPOption Excercise17900.00$ 0.00
Apr 29, 2025Politan Capital Management GP LLCOption Excercise17900.00$ 0.00
Apr 29, 2025Politan Capital Partners GP LLCOption Excercise17900.00$ 0.00
Apr 29, 2025Koffey QuentinOption Excercise17900.00$ 0.00
Apr 29, 2025Brennan MichelleOption Excercise17900.00$ 0.00
Apr 29, 2025REYNOLDS CRAIG BOption Excercise17900.00$ 0.00
Apr 29, 2025Chapek Robert AOption Excercise17900.00$ 0.00
Apr 29, 2025LANE WENDY EOption Excercise13830.00$ 0.00
Apr 29, 2025Jellison William RGrant17900.00$ 0.00
Apr 29, 2025Scannell Timothy JOption Excercise13830.00$ 0.00
Apr 29, 2025Solomon Darlene J. S.Option Excercise17900.00$ 0.00