MASI
MASIMO CORP
$179.94
+0.63%
$9.4B
No data for this timeframe.
Vol
Market Cap$9.4B
Cap SizeMid Cap
Analyst ConsensusHold (40%)
Inst. Holders8 funds
Inst. Value$1.9B
Inst. Activity3 buys / 1 sells
Insider Activity0B / 1S
Insider Net $-$1.6M
SEC Reports7
Exchange Nasdaq·Sector Electromedical & Electrotherapeutic Apparatus·Inc. DE·CIK 0000937556·Prev Close $178.82
Recent Activity
May 4, 2026
SEC
Masimo shareholders overwhelmingly approved the acquisition by Danaher Corporation for $180.00 per share in cash, with 9
8-K — Impact 8/10
May 1, 2026
SEC
The court entered a stipulated protective order in Masimo's lawsuit against its former CEO Joe Kiani and RTW Investments
COURT-RULING — Impact 2/10
May 1, 2026
SEC
The court entered a stipulated protective order in Masimo Corporation's lawsuit against its founder Joe Kiani and RTW en
COURT-RULING — Impact 2/10
Apr 29, 2026
Insider
Scannell Timothy J sold 1,225 shares
Director @ $0.00 ($0.00)
Apr 29, 2026
Insider
Brennan Michelle sold 1,225 shares
Director @ $0.00 ($0.00)
Apr 29, 2026
Insider
Brennan Michelle sold 1,225 shares
Director @ $0.00 ($0.00)
Inst.
MORGAN STANLEY — ADD
920,735 shares ($119.8M)
Inst.
NORGES BANK — NEW
377,421 shares ($49.1M)
Price Targets
$180.00
+0.0% upside
Hold
Current $179.95
Low $180.00
Median $180.00
High $180.00
4 analysts
$180.00
$180.00
Analyst Ratings
2Strong Buy
4Buy
9Hold
0Sell
0Strong Sell
Recent Analyst Actions
| Date | Firm | Action | Rating |
|---|---|---|---|
| Mar 27, 2026 | Raymond James | DOWNGRADE | Outperform → Market Perform |
| Feb 18, 2026 | Wells Fargo | DOWNGRADE | Overweight → Equal-Weight |
| Feb 18, 2026 | BTIG | DOWNGRADE | Buy → Neutral |
Earnings Estimates
| Period | EPS Est. | Range | Growth | # |
|---|---|---|---|---|
| Current Q | $1.41 | $1.41 — $1.41 | 6% YoY | 1 |
| Next Q | $1.44 | $1.44 — $1.44 | 9% YoY | 1 |
| Current FY | $5.95 | $5.86 — $6.04 | 2 | |
| Next FY | $6.67 ▲ +1.0% | $6.32 — $7.08 | 12% YoY | 5 |
Latest Reports
BULLISH
8-K
8/10
Masimo shareholders overwhelmingly approved the acquisition by Danaher Corporation for $180.00 per share in cash, with 9
May 4, 2026
NEUTRAL
COURT-RULING
2/10
The court entered a stipulated protective order in Masimo's lawsuit against its former CEO Joe Kiani and RTW Investments
May 1, 2026
Top Institutional Holders
| Fund | Value | Move |
|---|---|---|
| FMR LLC | $1.0B | — |
| VANGUARD GROUP INC | $565.6M | — |
| MORGAN STANLEY | $119.8M | ADD |
| NORGES BANK | $49.1M | NEW |
| CHARLES SCHWAB INVESTMENT MANAGEMENT | $47.1M | NEW |
Recent Insider Trades
| Date | Insider | Type | Value |
|---|---|---|---|
| Apr 29, 2026 | Scannell Timothy | M | $0.00 |
| Apr 29, 2026 | Brennan Michelle | M | $0.00 |
| Apr 29, 2026 | Brennan Michelle | M | $0.00 |
| Apr 29, 2026 | Scannell Timothy | M | $0.00 |
| Apr 29, 2026 | LANE WENDY | M | $0.00 |
8 institutional holders with $1.9B total value (14,236,301 shares) as of 2025-Q4. Top holders: FMR, VANGUARD, MORGAN. Net buying activity: 3 institutions added/increased vs 1 reduced.
Top Institutional Holders — 2025-Q4
| # | Fund | Shares | Value | % of Tracked | Last Move |
|---|---|---|---|---|---|
| 1 | FMR LLC | 7,864,164 | $1.0B | 55.2% | — |
| 2 | VANGUARD GROUP INC | 4,348,786 | $565.6M | 30.5% | — |
| 3 | MORGAN STANLEY | 920,735 | $119.8M | 6.5% | ADD +33.3% |
| 4 | NORGES BANK | 377,421 | $49.1M | 2.7% | NEW |
| 5 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 361,896 | $47.1M | 2.5% | NEW |
| 6 | BANK OF AMERICA CORP /DE/ | 284,702 | $37.0M | 2.0% | TRIM -29.7% |
| 7 | RENAISSANCE TECHNOLOGIES LLC | 59,900 | $7.8M | 0.4% | NEW |
| 8 | WELLS FARGO & COMPANY/MN | 18,697 | $2.4M | 0.1% | TRIM -61.7% |
Recent Position Changes
| Fund | Action | Prev Shares | Curr Shares | Change % | Value | Quarter |
|---|---|---|---|---|---|---|
| MORGAN STANLEY | ADD | 690,601 | 920,735 | +33.3% | $119.8M | 2025-Q4 |
| NORGES BANK | NEW | — | 377,421 | — | $49.1M | 2025-Q4 |
| BANK OF AMERICA CORP /DE/ | TRIM | 405,061 | 284,702 | -29.7% | $37.0M | 2025-Q4 |
| RENAISSANCE TECHNOLOGIES LLC | NEW | — | 59,900 | — | $7.8M | 2025-Q4 |
| BANK OF AMERICA CORP /DE/ | DOUBLED | 190,176 | 405,061 | +113.0% | $59.8M | 2025-Q3 |
| NORGES BANK | EXIT | 39,053 | 0 | -100.0% | $0.00 | 2025-Q3 |
| RENAISSANCE TECHNOLOGIES LLC | EXIT | 25,377 | 0 | -100.0% | $0.00 | 2025-Q3 |
| TWO SIGMA INVESTMENTS, LP | EXIT | 15,465 | 0 | -100.0% | $0.00 | 2025-Q3 |
| BANK OF AMERICA CORP /DE/ | TRIM | 316,643 | 190,176 | -39.9% | $32.0M | 2025-Q2 |
| UBS Group AG | TRIM | 190,177 | 142,164 | -25.2% | $23.9M | 2025-Q2 |
| NORGES BANK | NEW | — | 39,053 | — | $6.6M | 2025-Q2 |
| RENAISSANCE TECHNOLOGIES LLC | ADD | 15,000 | 25,377 | +69.2% | $4.3M | 2025-Q2 |
| TWO SIGMA INVESTMENTS, LP | TRIM | 25,165 | 15,465 | -38.5% | $2.6M | 2025-Q2 |
| CITADEL ADVISORS LLC | NEAR_EXIT | 470,425 | 62,282 | -86.8% | $10.4M | 2025-Q1 |
| TWO SIGMA INVESTMENTS, LP | TRIM | 39,889 | 25,165 | -36.9% | $4.2M | 2025-Q1 |
| RENAISSANCE TECHNOLOGIES LLC | NEW | — | 15,000 | — | $2.5M | 2025-Q1 |
| NORGES BANK | EXIT | 33,394 | 0 | -100.0% | $0.00 | 2025-Q1 |
| CITADEL ADVISORS LLC | ADD | 253,749 | 470,425 | +85.4% | $77.8M | 2024-Q4 |
| UBS Group AG | DOUBLED | 54,682 | 160,028 | +192.7% | $26.5M | 2024-Q4 |
| NORGES BANK | NEAR_EXIT | 255,388 | 33,394 | -86.9% | $5.5M | 2024-Q4 |
| WELLS FARGO & COMPANY/MN | TRIM | 51,598 | 19,743 | -61.7% | $3.3M | 2024-Q4 |
| MORGAN STANLEY | ADD | 475,803 | 736,856 | +54.9% | $98.2M | 2024-Q3 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | NEW | — | 370,028 | — | $49.3M | 2024-Q3 |
11 unique insiders with 1 transactions. Net insider value: -$1.6M ($0.00 bought, $1.6M sold).
Insider Transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Apr 29, 2026 | Scannell Timothy J | Director | M | 1,225 | $0.00 | $0.00 |
| Apr 29, 2026 | Brennan Michelle | Director | M | 1,225 | $0.00 | $0.00 |
| Apr 29, 2026 | Brennan Michelle | Director | M | 1,225 | $0.00 | $0.00 |
| Apr 29, 2026 | Scannell Timothy J | Director | M | 1,225 | $0.00 | $0.00 |
| Apr 29, 2026 | LANE WENDY E | Director | M | 1,225 | $0.00 | $0.00 |
| Apr 29, 2026 | LANE WENDY E | Director | M | 1,225 | $0.00 | $0.00 |
| Apr 23, 2026 | LANE WENDY E | Director | A | 1,119 | $178.71 | $200.0K |
| Apr 23, 2026 | Scannell Timothy J | Director | A | 1,119 | $178.71 | $200.0K |
| Apr 23, 2026 | Brennan Michelle | Director | A | 1,119 | $178.71 | $200.0K |
| Apr 21, 2026 | Hellmann Elisabeth A | Chief Human Resources Officer | F | 121 | $178.43 | $21.6K |
| Apr 21, 2026 | Hellmann Elisabeth A | Chief Human Resources Officer | M | 335 | $0.00 | $0.00 |
| Apr 21, 2026 | Hellmann Elisabeth A | Chief Human Resources Officer | M | 335 | $0.00 | $0.00 |
| Mar 12, 2026 | Politan Capital Management LP | J | 130,869 | $0.00 | $0.00 | |
| Mar 11, 2026 | Politan Capital Management LP | J | 142,681 | $0.00 | $0.00 | |
| Mar 11, 2026 | Young Micah W | EVP & Chief Financial Officer | M | 873 | $0.00 | $0.00 |
| Mar 11, 2026 | Szyman Catherine M. | CEO | M | 2,101 | $0.00 | $0.00 |
| Mar 11, 2026 | Young Micah W | EVP & Chief Financial Officer | F | 471 | $175.47 | $82.6K |
| Mar 11, 2026 | Young Micah W | EVP & Chief Financial Officer | M | 873 | $0.00 | $0.00 |
| Mar 11, 2026 | Szyman Catherine M. | CEO | M | 2,101 | $0.00 | $0.00 |
| Mar 11, 2026 | Szyman Catherine M. | CEO | F | 1,069 | $175.47 | $187.6K |
| Mar 6, 2026 | Meehan Greg Allen | Chief Commerical Officer | A | 8,550 | $0.00 | $0.00 |
| Mar 6, 2026 | Benner Tim | Chief Marketing Officer | A | 6,128 | $0.00 | $0.00 |
| Mar 6, 2026 | Sampath Anand | EVP, Operations | A | 6,840 | $0.00 | $0.00 |
| Mar 6, 2026 | Young Micah W | EVP & Chief Financial Officer | A | 17,671 | $0.00 | $0.00 |
| Mar 6, 2026 | Szyman Catherine M. | CEO | A | 39,904 | $0.00 | $0.00 |
| Mar 6, 2026 | Dadswell Charles | EVP, General Counsel | A | 10,261 | $0.00 | $0.00 |
| Mar 6, 2026 | Hellmann Elisabeth A | Chief Human Resources Officer | A | 5,985 | $0.00 | $0.00 |
| Feb 27, 2026 | Young Micah W | EVP & Chief Financial Officer | A | 15,000 | $0.00 | $0.00 |
| Feb 27, 2026 | Young Micah W | EVP & Chief Financial Officer | M | 15,000 | $0.00 | $0.00 |
| Feb 26, 2026 | Young Micah W | EVP & Chief Financial Officer | A | 2,034 | $0.00 | $0.00 |
| Feb 12, 2026 | Szyman Catherine M. | CEO | M | 11,141 | $132.96 | $1.5M |
| Feb 12, 2026 | Szyman Catherine M. | CEO | F | 4,568 | $0.00 | $0.00 |
| Feb 12, 2026 | Szyman Catherine M. | CEO | M | 11,141 | $0.00 | $0.00 |
| Jan 28, 2026 | Sampath Anand | EVP, Ops & Clinical Research | M | 30,000 | $37.84 | $1.1M |
| Jan 28, 2026 | Sampath Anand | EVP, Ops & Clinical Research | SELL | 11,924 | $136.56 | $1.6M |
| Jan 28, 2026 | Sampath Anand | EVP, Ops & Clinical Research | M | 30,000 | $0.00 | $0.00 |
7 SEC filing reports analyzed. Sentiment: 3 bullish, 1 bearish, 0 mixed, 3 neutral. Avg impact: 5.6/10.
BULLISH
8-K
8/10
Masimo shareholders overwhelmingly approved the acquisition by Danaher Corporation for $180.00 per s
May 4, 2026
NEUTRAL
COURT-RULING
2/10
The court entered a stipulated protective order in Masimo's lawsuit against its former CEO Joe Kiani
May 1, 2026
NEUTRAL
COURT-RULING
2/10
The court entered a stipulated protective order in Masimo Corporation's lawsuit against its founder
May 1, 2026
BEARISH
COURT-RULING
6/10
The Delaware Court of Chancery dismissed Masimo Corporation's lawsuit against former CEO Joe Kiani,
Apr 21, 2026
BULLISH
DEFM14A
8/10
Masimo Corp (MASI) is being acquired by Danaher Corporation in an all-cash deal valued at approximat
Apr 1, 2026
NEUTRAL
PREM14A
4/10
Analysis based on filing metadata only — document content was unavailable. This is a PREM14A filing,
Mar 18, 2026
BULLISH
DFAN14A
9/10
Danaher Corporation has announced an agreement to acquire Masimo Corporation, a medical technology c
Feb 27, 2026
No press releases analyzed yet. Press releases are collected from GlobeNewsWire and analyzed by the LLM pipeline.
Current analyst consensus: Hold (40% buy). Based on 15 analysts: 2 strong buy, 4 buy, 9 hold, 0 sell, 0 strong sell.
Analyst Price Targets
$180.00 mean target
+0.0% upside
Hold (3.00)
$180.00 Low
$180.00 High
| Metric | Value |
|---|---|
| Current Price | $179.95 |
| Target Low | $180.00 |
| Target Mean | $180.00 |
| Target Median | $180.00 |
| Target High | $180.00 |
| # Analysts | 4 |
| Recommendation | Hold (3.00) |
Earnings Estimates & Revisions
| Period | EPS Avg | EPS Low | EPS High | EPS Growth | 30d Rev. | Up/Down | Rev. Avg | Rev. Growth | Analysts |
|---|---|---|---|---|---|---|---|---|---|
| Current Q 2026-06-30 |
$1.41 | $1.41 | $1.41 | 6.0% | +0.0% | — | $0.4B | 7.4% | 1 |
| Next Q 2026-09-30 |
$1.44 | $1.44 | $1.44 | 9.1% | +0.0% | — | $0.4B | 6.9% | 1 |
| Current FY 2026-12-31 |
$5.95 | $5.86 | $6.04 | — | +0.0% | 1↑ 0↓ | $1.6B | 6.6% | 2 |
| Next FY 2027-12-31 |
$6.67 | $6.32 | $7.08 | 12.0% | +1.0% | 1↑ 0↓ | $1.7B | 7.4% | 5 |
Current Quarter EPS Revision History
| Timepoint | EPS Estimate | Change |
|---|---|---|
| Current | $1.410 | |
| 7d ago | $1.410 | |
| 30d ago | $1.410 | |
| 60d ago | $1.410 | |
| 90d ago | $1.393 | +0.017 |
3 analyst firms have rated this stock: 0 upgrades, 3 downgrades, 0 initiations.
Individual Analyst Actions
| Date | Analyst Firm | Action | Previous Rating | New Rating |
|---|---|---|---|---|
| Mar 27, 2026 | Raymond James | DOWNGRADE | Outperform | Market Perform |
| Feb 18, 2026 | Wells Fargo | DOWNGRADE | Overweight | Equal-Weight |
| Feb 18, 2026 | BTIG | DOWNGRADE | Buy | Neutral |
Monthly Consensus History
| Period | Strong Buy | Buy | Hold | Sell | Strong Sell | Buy % | Distribution |
|---|---|---|---|---|---|---|---|
| Jun 1, 2026 | 2 | 4 | 9 | 0 | 0 | 40% | |
| May 1, 2026 | 2 | 4 | 9 | 0 | 0 | 40% | |
| Apr 1, 2026 | 2 | 4 | 9 | 0 | 0 | 40% | |
| Mar 1, 2026 | 2 | 5 | 8 | 0 | 0 | 47% | |
| Feb 1, 2026 | 5 | 7 | 4 | 0 | 0 | 75% | |
| Jan 1, 2026 | 5 | 7 | 4 | 0 | 0 | 75% |
Strong BuyBuyHoldSellStrong Sell
No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.
No Reddit sentiment data available yet. Sentiment is analyzed from Reddit investment communities on a rolling basis.
May 18, 2026
dark_pool
Dark Pool: MASI — 0.9M shares, 21,335 trades
Week starting 2026-05-18. Total ATS volume: 882,871 shares across 21,335 trades.
May 11, 2026
dark_pool
Dark Pool: MASI — 0.9M shares, 21,525 trades
Week starting 2026-05-11. Total ATS volume: 883,346 shares across 21,525 trades.
May 5, 2026
short_interest
FTD: MASI — 3,517 shares ($0.6M) failed to deliver
Settlement: 20260505, Price: $178.21, FTD Value: $626,764.57, MASIMO CORP COM STK (DE)
May 4, 2026
dark_pool
Dark Pool: MASI — 1.4M shares, 25,541 trades
Week starting 2026-05-04. Total ATS volume: 1,422,859 shares across 25,541 trades.
May 4, 2026
earnings_calendar
MASI Q1 2026 Earnings After Market Close — 2026-05-04
Apr 27, 2026
dark_pool
Dark Pool: MASI — 0.5M shares, 16,760 trades
Week starting 2026-04-27. Total ATS volume: 519,835 shares across 16,760 trades.
Apr 21, 2026
Enforcement
Masimo Corporation v. Joe E. Kiani
Court ruling from Court of Chancery of Delaware. Docket: C.A. No. 2024-1086-NAC
Apr 20, 2026
dark_pool
Dark Pool: MASI — 0.6M shares, 14,021 trades
Week starting 2026-04-20. Total ATS volume: 623,730 shares across 14,021 trades.
Apr 13, 2026
dark_pool
Dark Pool: MASI — 0.4M shares, 14,060 trades
Week starting 2026-04-13. Total ATS volume: 433,015 shares across 14,060 trades.
Apr 6, 2026
dark_pool
Dark Pool: MASI — 0.5M shares, 17,836 trades
Week starting 2026-04-06. Total ATS volume: 519,995 shares across 17,836 trades.
Mar 30, 2026
dark_pool
Dark Pool: MASI — 0.8M shares, 15,156 trades
Week starting 2026-03-30. Total ATS volume: 755,906 shares across 15,156 trades.
Mar 23, 2026
dark_pool
Dark Pool: MASI — 1.6M shares, 23,267 trades
Week starting 2026-03-23. Total ATS volume: 1,573,401 shares across 23,267 trades.
Mar 23, 2026
short_interest
FTD: MASI — 9,300 shares ($1.7M) failed to deliver
Settlement: 20260323, Price: $178.24, FTD Value: $1,657,632, MASIMO CORP COM STK (DE)
Mar 16, 2026
dark_pool
Dark Pool: MASI — 3.0M shares, 30,087 trades
Week starting 2026-03-16. Total ATS volume: 2,994,363 shares across 30,087 trades.
Mar 9, 2026
dark_pool
Dark Pool: MASI — 1.6M shares, 22,537 trades
Week starting 2026-03-09. Total ATS volume: 1,628,559 shares across 22,537 trades.
Mar 4, 2026
short_interest
FTD: MASI — 5,560 shares ($1.0M) failed to deliver
Settlement: 20260304, Price: $175.36, FTD Value: $975,001.6, MASIMO CORP COM STK (DE)
Jan 23, 2026
Enforcement
Masimo Corporation v. Joe E. Kiani, Roderick Wong, Naveen Yalamanchi, RTW Investments, LP, RTW Investments GP, LLC, RTW Master Fund, LTD., RTW Offshore Fund One, LTD., RTW Onshore Fund One, LP, RTW Innovation Master Fund, LTD., RTW Innovation Offshore Fund, LTD., RTW Innovation Onshore Fund, LP, and RTW Fund Group GP, LLC
Court ruling from District Court, C.D. California. Docket: 2:25-cv-03188
Jan 23, 2026
Enforcement
Masimo Corporation v. Joe E. Kiani
Court ruling from District Court, C.D. California. Docket: 2:25-cv-03188