Does Rallies show 13F holders for MASI?

Yes. Rallies tracks hedge fund and 13F ownership data for MASI, including fund names, share counts, latest tracked quarter, and position changes when available.

Is MASI research on Rallies investment advice?

No. Rallies provides research, data, and educational context for MASI. It does not provide personalized investment advice.

MASI (Masimo Corporation) Stock Analysis - Hedge Fund Holdings

Masimo Corporation (MASI) is a publicly traded Healthcare sector company. As of May 20, 2026, MASI trades at $178.81 with a market cap of $9.36B and a P/E ratio of -63.18. MASI moved +0.01% today. Year to date, MASI is +33.43%; over the trailing twelve months it is +14.48%. Its 52-week range spans $125.94 to $194.88. Analyst consensus is neutral with an average price target of $180.00. Rallies surfaces MASI's financials, insider trades, hedge fund holdings, congressional trades, analyst ratings, and AI-generated research below.

Who owns MASI stock?

Hedge funds tracked by Rallies that own MASI include Pentwater Capital, Viking Global, Soros Fund, Fortress Investment, and Redmile Group. The latest tracked quarter is Mar 31, 2026. Rallies shows current holdings, share counts, position changes, and 13F ownership context for Masimo Corporation.

MASI Key Metrics

Key financial metrics for MASI
Metric	Value
Price	$178.81
Market Cap	$9.36B
P/E Ratio	-63.18
EPS	$-2.83
Dividend Yield	1.00%
52-Week High	$194.88
52-Week Low	$125.94
Volume	703.10K
Avg Volume	0
Revenue (TTM)	$1.53B
Net Income	$-151.50M
Gross Margin	61.90%

Top Hedge Funds Holding MASI

Pentwater Capital holds 3.18M shares of MASI, changed +0.00% as of Mar 31, 2026.
Viking Global holds 514.34K shares of MASI, changed -52.08% as of Dec 31, 2025.
Soros Fund holds 100.84K shares of MASI, changed +0.00% as of Mar 31, 2026.
Fortress Investment holds 35.90K shares of MASI, changed +0.00% as of Mar 31, 2026.
Redmile Group holds 26.06K shares of MASI, changed +0.00% as of Mar 31, 2025.

Latest MASI News

Masimo Reports <1% Bias in Newborn Pulse Oximetry, Zero Occult Events in Black, Hispanic Infants — Apr 28, 2026
Masimo’s $180 Share Sale to Danaher Faces Shareholder Fairness Probe — Apr 10, 2026
Masimo Shares Up 28.2% Past Six Months, Trades at 5.74 P/S Ratio — Mar 2, 2026
Law Firm Probes Masimo’s $180-per-Share Cash Acquisition by Danaher — Feb 25, 2026
Masimo Sees FY24 Healthcare Revenues Up 9.4%, Growth Score A Forecasts 23.9% — Feb 20, 2026

Recent MASI Insider Trades

Sampath Anand sold 11.92K (~$1.63M) on Jan 28, 2026.
Sampath Anand sold 6.56K (~$900.16K) on Jan 28, 2026.
Sampath Anand sold 196 (~$27.07K) on Jan 28, 2026.

MASI Analyst Consensus

3 analysts cover MASI: 0 strong buy, 0 buy, 3 hold, 0 sell, 0 strong sell. Consensus rating is neutral. Average price target: $180.00.

Common questions about MASI

Who owns MASI stock?: Hedge funds tracked by Rallies that own MASI include Pentwater Capital, Viking Global, Soros Fund, Fortress Investment, and Redmile Group. The latest tracked quarter is Mar 31, 2026. Rallies shows current holdings, share counts, position changes, and 13F ownership context for Masimo Corporation.
Does Rallies show 13F holders for MASI?: Yes. Rallies tracks hedge fund and 13F ownership data for MASI, including fund names, share counts, latest tracked quarter, and position changes when available.
Is MASI research on Rallies investment advice?: No. Rallies provides research, data, and educational context for MASI. It does not provide personalized investment advice.