Sirius XM to Replace Masimo in S&P MidCap 400 Index
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Jun 08 2026
0mins
Source: PRnewswire
- Index Change: Sirius XM Holdings will replace Masimo Corp. in the S&P MidCap 400 Index effective June 11, 2026, which is expected to enhance Sirius XM's visibility in the capital markets and boost investor confidence.
- Acquisition Dynamics: Danaher Corp. is acquiring Masimo, with the deal expected to close soon, which may impact Masimo's market performance and its standing in the healthcare sector.
- Market Impact: Adjustments to the S&P MidCap 400 Index typically prompt investors to reassess their positions, and Sirius XM's inclusion may attract more capital inflow, potentially enhancing its stock performance.
- Industry Outlook: As the largest index provider globally, changes by S&P Dow Jones Indices reflect market confidence in a company's future growth potential, and Sirius XM's inclusion signifies further recognition in the communication services sector.
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Analyst Views on SPGI
Wall Street analysts forecast SPGI stock price to rise
15 Analyst Rating
14 Buy
1 Hold
0 Sell
Strong Buy
Current: 418.020
Low
546.00
Averages
617.77
High
675.00
Current: 418.020
Low
546.00
Averages
617.77
High
675.00
About SPGI
S&P Global Inc. provides essential intelligence. Its operations consist of five businesses: S&P Global Market Intelligence (Market Intelligence), S&P Global Ratings (Ratings), S&P Global Commodity Insights (Commodity Insights), S&P Global Mobility (Mobility) and S&P Dow Jones Indices (Indices). Market Intelligence is a global provider of multi-asset-class data and analytics integrated with purpose-built workflow solutions. Ratings is an independent provider of credit ratings, research, and analytics, offering investors and other market participants information, ratings and benchmarks. Commodity Insights is an independent provider of information and benchmark prices for the commodity and energy markets. Mobility is a provider of solutions serving the full automotive value chain, including vehicle manufacturers and retailers. Indices is a global index provider that maintains a variety of valuation and index benchmarks for investment advisors, wealth managers and institutional investors.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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See More
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- Nasdaq-100 Updates: Nasdaq revised its inclusion standards, allowing new IPOs to be added after just 15 trading days, meaning SpaceX will soon be included, which is expected to attract more investor attention to its stock performance.
- Float Limitations: With only about 4% of shares issued, SpaceX's weighting in indices is constrained, despite a market cap exceeding $2.6 trillion, resulting in investors holding approximately $64 worth of SpaceX stock in the QQQ ETF, highlighting the impact of float on index investments.
See More
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- Index Inclusion Rule Changes: Major index providers adjusted their inclusion rules, with S&P Global easing float requirements, facilitating SpaceX's entry into relevant indexes, although the S&P 500 still requires a 12-month wait.
- Float Limitations: SpaceX issued only about 4% of its shares, limiting its weighting in most indexes; despite a market cap exceeding $2.6 trillion, only approximately $125 billion is available for trading.
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See More
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- Government's Firm Stance: Acting Labor Secretary Keith Sonderling has declared that the government will no longer tolerate waste and fraud of taxpayer dollars, warning states of severe consequences if they fail to act, demonstrating a strong commitment to protecting taxpayer interests.
- Expanded Anti-Fraud Actions: The Trump administration's anti-fraud initiatives have extended to other areas, recently withholding $1.4 billion from Medicaid providers in states like California and Minnesota, reflecting a zero-tolerance approach to fraud, particularly in Democratic-led states where unemployment fraud has been notably problematic.
See More
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- Positive Analyst Ratings: Among 27 analysts surveyed by S&P Global, 22 rated Linde stock as a 'buy' or 'strong buy', reflecting optimism about its projected 10% average annual earnings growth, despite expectations for limited returns over the next 12 months.
- New Facility Development: The newly constructed air separation unit (ASU) in Brownsville, Texas, is dedicated to supplying liquid oxygen, nitrogen, and argon for SpaceX, further solidifying Linde's market position in the space sector while optimizing supply chain configurations.
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See More
