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Masimo Corporation (MASI)

Masimo Corporation at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Masimo Corporation (MASI) is a Medical - Devices company based in US with a market capitalization of $9.3B. Revenue declined 27.1% year-over-year and the company generated $197.8M in free cash flow. This page tracks MASI's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 3.6K employees · IPO Aug 8, 2007

Valuation

Valuation & price

$178.47 · as of May 17, 2026 · -0.8% vs 52w high

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P/E ratio

Latest-FY diluted EPS

12.96

P/B ratio

Market cap ÷ book equity

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Dividend yield

Price — last 12 months

$180$155$130Jul 25Dec 25Jun 26Jul 7, 25$162.45Jul 8, 25$162.35Jul 10, 25$166.32Jul 14, 25$161.69Jul 16, 25$159.45Jul 18, 25$154.47Jul 22, 25$158.23Jul 24, 25$161.38Jul 28, 25$162.18Jul 30, 25$156.02Aug 1, 25$153.95Aug 5, 25$163.88Aug 7, 25$144.90Aug 11, 25$147.37Aug 13, 25$155.96Aug 15, 25$153.87Aug 19, 25$146.76Aug 21, 25$144.24Aug 25, 25$145.15Aug 27, 25$142.49Aug 29, 25$139.71Sep 3, 25$136.77Sep 5, 25$147.19Sep 9, 25$148.12Sep 11, 25$146.21Sep 15, 25$145.72Sep 17, 25$141.23Sep 19, 25$140.43Sep 23, 25$140.36Sep 25, 25$139.75Sep 29, 25$142.94Oct 1, 25$142.54Oct 3, 25$147.29Oct 7, 25$150.25Oct 9, 25$150.53Oct 13, 25$148.01Oct 15, 25$148.56Oct 17, 25$146.78Oct 21, 25$148.33Oct 23, 25$148.73Oct 27, 25$148.00Oct 28, 25$146.41Oct 30, 25$141.54Nov 3, 25$144.96Nov 5, 25$142.14Nov 7, 25$143.16Nov 11, 25$146.68Nov 13, 25$152.43Nov 17, 25$147.03Nov 19, 25$140.94Nov 21, 25$149.25Nov 25, 25$146.49Nov 28, 25$142.43Dec 2, 25$142.19Dec 4, 25$142.26Dec 8, 25$140.85Dec 10, 25$139.77Dec 12, 25$138.34Dec 16, 25$134.52Dec 18, 25$136.66Dec 22, 25$137.00Dec 24, 25$133.28Dec 29, 25$130.82Dec 31, 25$130.06Jan 5, 26$134.00Jan 7, 26$137.08Jan 9, 26$138.92Jan 13, 26$129.83Jan 15, 26$139.87Jan 20, 26$142.70Jan 22, 26$143.93Jan 26, 26$140.20Jan 28, 26$137.67Jan 30, 26$137.33Feb 3, 26$139.13Feb 5, 26$135.33Feb 9, 26$134.80Feb 11, 26$135.04Feb 13, 26$130.15Feb 18, 26$175.61Feb 20, 26$175.10Feb 23, 26$175.25Feb 25, 26$175.10Feb 27, 26$175.35Mar 3, 26$175.36Mar 5, 26$175.46Mar 9, 26$175.45Mar 11, 26$175.47Mar 13, 26$175.49Mar 17, 26$175.97Mar 19, 26$178.70Mar 23, 26$178.44Mar 25, 26$178.09Mar 27, 26$177.11Mar 31, 26$177.87Apr 2, 26$178.59Apr 7, 26$178.73Apr 9, 26$178.33Apr 13, 26$178.47Apr 15, 26$178.39Apr 17, 26$178.39Apr 21, 26$178.43Apr 23, 26$178.71Apr 27, 26$178.66Apr 29, 26$178.46May 1, 26$178.48May 5, 26$178.58May 7, 26$178.50May 11, 26$178.50May 13, 26$178.41May 15, 26$178.47May 19, 26$178.80May 21, 26$178.64May 26, 26$178.67May 28, 26$178.45Jun 1, 26$178.59Jun 3, 26$178.78Jun 5, 26$178.82Jun 9, 26$179.95Jun 12, 26$179.95
$127.4052-week range$179.95
Loading valuation history…

Fundamentals

Key fundamentals

$9.3B

Market cap

-27.1%

Revenue growth (YoY)

61.9%

Gross margin

$197.8M

Free cash flow (USD)

$407M

Net debt

0.6%

Share dilution

1/5

Graham criteria passed

Defensive-investor screen

Healthcare

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2026

FY 2016$712.9MFY 2017$790.2MFY 2018$858.3MFY 2019$937.8MFY 2020$1.1BFY 2021$1.2BFY 2022$2.0BFY 2023$2.0BFY 2024$2.1BFY 2026$1.5B
$712.9M$1.5B

Free cash flow by year

2016 → 2026

FY 2016$392.5MFY 2017$11.3MFY 2018$216.8MFY 2019$149.2MFY 2020$131.2MFY 2021$229.7MFY 2022$-26.9MFY 2023$6.4MFY 2024$145.3MFY 2026$197.8M
$392.5M$197.8M

Gross margin by year

2021 → 2026

FY 202165.2%FY 202252.0%FY 202349.0%FY 202448.0%FY 202661.9%
65.2%61.9%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 5, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventExecutive Separation AgreementJun 10, 2026Filing
  • Quarterly report10-Q FiledMay 5, 2026Filing
  • 8-K eventMerger Agreement ApprovedMay 4, 2026Filing
  • Annual report10-K FiledMay 1, 2026Filing
  • 8-K eventMerger Litigation UpdateApr 23, 2026Filing

Questions

Frequently asked questions

What is Masimo Corporation's market cap?

Masimo Corporation (MASI) has a market capitalization of $9.3B.

What is MASI's P/E ratio?

A meaningful P/E ratio is not available for MASI — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is MASI's price-to-book (P/B) ratio?

MASI trades at 12.96 times book value per share.

Are insiders buying MASI stock?

SEC Form 4 filings show no open-market insider buys at Masimo Corporation in the last 90 days (0 sells).

Same arena

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PEN

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GKOS

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.