Masimo Corporation (MASI) Rose Following the Acquisition Announcement
Baron Capital, an investment management company, released its Q1 2026 investor letter for the “Baron Discovery Fund”. A copy of the letter can be downloaded here.
Masimo Corp (MASI)
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Hedge Fund Popularity
Hedge Fund Holdings
Filing Period:
Last updated on based on SEC 13F filings Last update:
| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Politan Capital Quentin Koffey | 4,589,648 | $816,360,690 | 82.89% | |
| 2. | Pentwater Capital Management Matthew Halbower | 3,176,000 | $564,915,120 | 2.93% | |
| 3. | HBK Investments David Costen Haley | 2,576,109 | $458,212,508 | 4.65% | |
| 4. | Millennium Management Israel Englander | 988,853 | $175,887,283 | +427% | 0.07% |
| 5. | AQR Capital Management Cliff Asness | 831,966 | $147,399,452 | -24% | 0.07% |
Insider Trading: Purchases See All
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $155.25 | 100 | $15,525.00 | 7,318 | 2025-08-13 | Filing | |
| $150.35 | 100 | $15,035.00 | 7,218 | 2025-08-12 | Filing | |
| $145.98 | 3,000 | $437,940.00 | 4,790 | 2025-08-11 | Filing | |
| $158.19 | 500 | $79,094.00 | 366,055 | 2023-05-25 | Filing | |
| $157.53 | 2,265 | $356,813.83 | 365,555 | 2023-05-25 | Filing |
Insider Trading: Sales See All
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $138.09 | 196 | $27,065.64 | 40,909 | 2026-01-28 | Filing | |
| $137.22 | 6,560 | $900,163.20 | 41,105 | 2026-01-28 | Filing | |
| $136.56 | 11,924 | $1,628,341.44 | 47,665 | 2026-01-28 | Filing | |
| $164.96 | 525 | $86,605.05 | 24,172 | 2025-05-12 | Filing | |
| $163.51 | 5,594 | $914,663.75 | 24,697 | 2025-05-12 | Filing |
Institutional Investors' Holdings
Filing Period:
| No. | Name | Shares | Value | % Port |
|---|---|---|---|---|
| 1. | 4,644,578 | $826,131,120 | 0.01% | |
| 2. | 2,743,985 | $488,072,611 | 0.12% | |
| 3. | 2,342,790 | $416,692,672 | 0.14% | |
| 4. | 2,050,045 | $364,641,504 | 0% | |
| 5. | 2,006,861 | $356,960,366 | 0.01% |
News See All
Masimo (MASI) Climbs 34% on $9.9-Billion Danaher Merger
Masimo Corp. snapped a two-day losing streak on Tuesday, soaring 34.22 percent to finish at $174.69 apiece as investors snapped up shares following news that it was set to merge with Danaher Corp.
Wells Fargo Maintains Overweight on Masimo (MASI) Following Investor Day Confidence In Long-Range Revenue Targets
Masimo Corporation (NASDAQ:MASI) is one of the best NASDAQ stocks to buy in 2026.
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On December 30, Victoria Fernandez, Crossmark Chief Market Strategist, joined 'Closing Bell' on CNBC to discuss investment strategies for the technology sector as we head into 2026.
Masimo Corporation (NASDAQ:MASI) Q3 2025 Earnings Call Transcript
Operator: Good afternoon, ladies and gentlemen, and welcome to the Masimo Third Quarter 2025 Earnings Conference Call. The company's press release is available at www.masimo.com.
Here's Why Masimo Corporation (MASI) Declined in Q3
Baron Funds, an investment management company, released its “Baron Health Care Fund” third-quarter 2025 investor letter. A copy of the letter can be downloaded here.
Masimo Corporation (MASI): A Bull Case Theory
We came across a bullish thesis on Masimo Corporation on HatedMoats’s Substack. In this article, we will summarize the bulls’ thesis on MASI.
Masimo Corporation (NASDAQ:MASI) Q2 2025 Earnings Call Transcript
Operator: Good afternoon, ladies and gentlemen, and welcome to Masimo's Second Quarter 2025 Earnings Conference Call. The company's press release is available at www.masimo.com.
What Makes Masimo Corporation (MASI) a Good Investment?
Baron Funds, an investment management company, released its “Baron Health Care Fund” second-quarter 2025 investor letter. A copy of the letter can be downloaded here.
Do You Believe in the Growth Potential of Masimo Corporation (MASI)?
Baron Funds, an investment management company, released its “Baron Health Care Fund” first quarter 2025 investor letter. A copy of the letter can be downloaded here.
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