Masimo Corporation (MASI) Stock Price History
Historical prices from 2011 to 2026
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MASI Historical Performance
Short-Term Returns
MASI Stock Price Trajectory (2011–2026)
As of May 8, 2026, Masimo Corporation (MASI) trades at $178.50, representing a +18.9% return over the past year. The stock has delivered a -20.4% total return over five years (-4.5% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $305.21 on November 19, 2021. From this peak, MASI has corrected -41.5%, currently trading 17% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers PODD (-39.3% 1Y), HOLX (+37.1% 1Y), and NVCR (+1.1% 1Y), MASI has underperformed the peer group average. Compare MASI vs PODD →
MASI Historical Price Data (2025–2026)
Showing 30 of 3,650 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 178.47 | 178.65 | 178.31 | 178.50 | 1.21M | +0.01% |
| 2026-05-06 | 178.54 | 178.75 | 178.25 | 178.49 | 944K | -0.05% |
| 2026-05-05 | 178.45 | 178.58 | 178.19 | 178.58 | 1.13M | +0.21% |
| 2026-05-04 | 178.44 | 178.50 | 178.16 | 178.21 | 870K | -0.15% |
| 2026-05-01 | 178.49 | 178.59 | 178.37 | 178.48 | 1.01M | +0.03% |
| 2026-04-30 | 178.52 | 178.55 | 178.30 | 178.43 | 913K | -0.02% |
| 2026-04-29 | 178.50 | 178.60 | 178.42 | 178.46 | 551K | -0.03% |
| 2026-04-28 | 178.68 | 178.81 | 178.40 | 178.51 | 734K | -0.08% |
| 2026-04-27 | 178.59 | 178.76 | 178.52 | 178.66 | 351K | +0.02% |
| 2026-04-24 | 178.51 | 178.71 | 178.43 | 178.63 | 572K | -0.04% |
| 2026-04-23 | 178.48 | 178.76 | 178.33 | 178.71 | 527K | +0.10% |
| 2026-04-22 | 178.43 | 178.53 | 178.37 | 178.53 | 596K | +0.06% |
| 2026-04-21 | 178.41 | 178.71 | 178.13 | 178.43 | 671K | -0.01% |
| 2026-04-20 | 178.43 | 178.47 | 178.25 | 178.45 | 560K | +0.03% |
| 2026-04-17 | 178.38 | 178.53 | 178.30 | 178.39 | 453K | +0.06% |
| 2026-04-16 | 178.43 | 178.44 | 178.22 | 178.29 | 548K | -0.06% |
| 2026-04-15 | 178.47 | 178.50 | 178.32 | 178.39 | 493K | 0.00% |
| 2026-04-14 | 178.44 | 178.50 | 178.29 | 178.39 | 422K | -0.04% |
| 2026-04-13 | 178.35 | 178.50 | 178.22 | 178.47 | 349K | +0.08% |
| 2026-04-10 | 178.47 | 178.49 | 178.23 | 178.32 | 431K | -0.01% |
| 2026-04-09 | 178.41 | 178.61 | 178.25 | 178.33 | 608K | +0.02% |
| 2026-04-08 | 178.75 | 178.85 | 178.29 | 178.30 | 710K | -0.24% |
| 2026-04-07 | 178.25 | 178.74 | 178.25 | 178.73 | 707K | +0.13% |
| 2026-04-06 | 178.35 | 178.58 | 178.19 | 178.49 | 1.25M | -0.06% |
| 2026-04-02 | 177.78 | 178.65 | 177.77 | 178.59 | 1.01M | +0.33% |
| 2026-04-01 | 177.72 | 178.27 | 177.54 | 178.01 | 747K | +0.08% |
| 2026-03-31 | 177.85 | 178.21 | 176.94 | 177.87 | 1.32M | +0.31% |
| 2026-03-30 | 177.15 | 177.85 | 176.75 | 177.32 | 1.47M | +0.12% |
| 2026-03-27 | 177.04 | 177.51 | 176.71 | 177.11 | 1.10M | +0.12% |
| 2026-03-26 | 178.09 | 178.16 | 176.80 | 176.89 | 1.62M | -0.67% |
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Start ComparisonMASI — Frequently Asked Questions
Quick answers to the most common questions about buying MASI stock.
How has MASI stock performed recently?
MASI returned +18.9% over the past year, beating its 5-year annualized CAGR of -4.5%. The stock trades above its 200-day moving average, confirming the uptrend.
What is MASI's all-time high price?
Masimo Corporation reached $305.21 on 2021-11-19. The 52-week high is $179.10. Current 1-year return of +18.9% places the stock closer to historical peaks.
Where can I download MASI historical price data?
This page provides MASI daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.