SCHEDULE: FMR LLC Discloses 7.3% Stake in Waystar Holding Corp

FMR LLC and Abigail P. Johnson have reported a beneficial ownership of 7.3% in Waystar Holding Corp. as of December 31, 2025.

Summary

• FMR LLC and Abigail P. Johnson, as reporting persons, beneficially own an aggregate of 13,949,108.96 shares of Waystar Holding Corp. common stock.
• This ownership represents 7.3% of the total outstanding common stock of Waystar Holding Corp.
• The beneficial ownership is reported as of December 31, 2025.
• FMR LLC, a Delaware-organized parent holding company, holds sole voting power over 13,934,767.00 shares and sole dispositive power over 13,949,108.96 shares.
• Abigail P. Johnson, a U.S. citizen, holds sole dispositive power over 13,949,108.96 shares, with no sole or shared voting power directly attributed to her in this individual filing.
• FMR LLC's subsidiaries and affiliates, including Fidelity Management & Research Company LLC, are identified as entities beneficially owning shares, with Fidelity Management & Research Company LLC owning 5% or greater of the outstanding shares.
• The Johnson family, including Abigail P. Johnson, are the predominant owners of FMR LLC's Series B voting common shares, representing 49% of the voting power, and may be deemed a controlling group with respect to FMR LLC.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this as a moderately positive development, as a substantial stake by a reputable institutional investor like FMR LLC typically signals confidence in the company's value and future prospects, though it's a passive ownership disclosure.

Positives

• A significant institutional investor like FMR LLC taking a 7.3% stake can signal confidence in Waystar Holding Corp.'s long-term prospects and business model.
• The presence of a large, established asset manager on the shareholder register may attract further institutional interest and potentially enhance market liquidity.

Risks

• The Johnson family, through their ownership of FMR LLC's Series B voting common shares and a shareholders' voting agreement, may be deemed a controlling group with respect to FMR LLC, which could influence FMR LLC's investment decisions regarding Waystar Holding Corp.

Future Outlook

NA

Industry Context

StockSavvy.ai notes that a significant stake by a major asset manager like FMR LLC in Waystar Holding Corp. suggests a belief in the company's position within the healthcare technology sector. This type of institutional investment often indicates a long-term view on the company's growth potential and market leadership, potentially influencing other investors to consider the stock.

Stakeholder Impact

• Shareholders: The disclosure of a significant institutional stake may increase investor confidence and potentially attract more institutional and retail investment, potentially impacting share price stability and liquidity.
• Management: The presence of a large, influential shareholder like FMR LLC could lead to increased scrutiny or engagement regarding strategic decisions, though this filing indicates a passive investment.

Key Dates

Recommendation

The filing indicates a significant institutional investor, FMR LLC, has taken a 7.3% stake in Waystar Holding Corp. This is a positive signal of institutional confidence, but as a passive ownership disclosure, it does not provide new operational or financial performance data to warrant a 'buy' recommendation. Investors currently holding the stock may find this supportive, while new investors might consider it a positive indicator for further due diligence. Therefore, a 'hold' recommendation is appropriate, acknowledging the positive signal without overstating its immediate impact on fundamental value.

Keywords

Waystar Holding Corp, FMR LLC, Abigail P. Johnson, Schedule 13G, Beneficial Ownership, Common Stock, Institutional Investor, Healthcare Technology, Financial Services