M
Masimo Corporation (MASI)
NMS – Real Time Price. Currency in USD
178.55
+0.05 (0.03%)
At close: May 12, 2026, 4:00 PM EDT
178.39
-0.16 (-0.09%)
After-hours: May 12, 2026, 5:56 PM EDT
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NMS – Real Time Price. Currency in USD
178.55
+0.05 (0.03%)
At close: May 12, 2026, 4:00 PM EDT
178.39
-0.16 (-0.09%)
After-hours: May 12, 2026, 5:56 PM EDT
| Breakdown | |
|---|---|
| 4.97% | % of Shares Held by All Insider |
| 114.20% | % of Shares Held by Institutions |
| 120.18% | % of Float Held by Institutions |
| 546 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Blackrock Inc. | 8.86M | 2025-12-31 | 16.91% | $1.58B |
| FMR, LLC | 7.86M | 2025-12-31 | 15.02% | $1.40B |
| Politan Capital Management LP | 4.59M | 2025-12-31 | 8.76% | $818.38M |
| Vanguard Group Inc | 4.35M | 2025-12-31 | 8.30% | $775.43M |
| Massachusetts Financial Services Co. | 2.66M | 2025-12-31 | 5.09% | $475.00M |
| T. Rowe Price Investment Management, Inc. | 2.33M | 2025-12-31 | 4.45% | $415.49M |
| Naya Capital Management Uk Ltd | 1.56M | 2025-12-31 | 2.98% | $278.29M |
| Westfield Capital Management Co LP | 1.52M | 2025-12-31 | 2.91% | $271.40M |
| State Street Corporation | 1.42M | 2025-12-31 | 2.70% | $252.34M |
| Alyeska Investment Group, L.p. | 1.26M | 2025-12-31 | 2.40% | $224.55M |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| MFS Series Trust IV-MFS Mid Cap Growth Fund | 1.64M | 2026-02-28 | 3.14% | $293.04M |
| iShares Trust-iShares Core S&P Mid-Cap ETF | 1.51M | 2026-03-31 | 2.89% | $270.02M |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 1.44M | 2025-12-31 | 2.75% | $256.70M |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 1.04M | 2025-12-31 | 1.98% | $184.77M |
| BlackRock Funds-BLACKROCK MID CAP GROWTH EQUITY PORTFOLIO | 1.01M | 2025-11-30 | 1.87% | $179.66M |
| BlackRock Funds-BlackRock Mid-Cap Growth Equity Portfolio | 1.01M | 2025-11-30 | 1.87% | $179.66M |
| Fidelity Select Portfolios-Select Health Care Portfolio | 1.00M | 2026-01-31 | 1.86% | $177.36M |
| Fidelity Rutland Square TRT II-Strategic Advisers Fidelity U.S. Total | 791,908 | 2026-01-31 | 1.47% | $140.36M |
| T. Rowe Price Small-Cap Stock Fund, Inc. | 667,080 | 2025-12-31 | 1.27% | $118.95M |
| Fidelity Advisor Series VII-Fidelity Advisor Health Care Fund | 635,000 | 2025-12-31 | 1.18% | $111.39M |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Growth Index Fund | 585,041 | 2025-12-31 | 1.12% | $104.32M |
| SmallCap World Fund Inc | 565,540 | 2025-12-31 | 1.08% | $100.84M |
| Fidelity Select PORT.s-Select Medical Technology and Devices PORT. | 560,000 | 2026-02-28 | 1.07% | $99.80M |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 492,305 | 2025-12-31 | 0.94% | $87.78M |
| T. Rowe Price Mid-Cap Growth Fund, Inc. | 398,100 | 2025-12-31 | 0.76% | $70.99M |
| Fidelity Concord Street Trust-Fidelity Mid-Cap Stock Fund | 369,649 | 2026-03-31 | 0.71% | $65.91M |