SCHEDULE: Vanguard Group Amends Sotera Health Stake to 6.76%

The Vanguard Group filed an amended Schedule 13G, reporting a 6.76% beneficial ownership in Sotera Health Co common stock as of December 31, 2025.

Summary

• The Vanguard Group reported beneficial ownership of 19,228,375 shares of Sotera Health Co common stock.
• This represents 6.76% of the class of securities.
• The Vanguard Group holds sole voting power over 0 shares and shared voting power over 1,574,791 shares.
• The Vanguard Group holds sole dispositive power over 0 shares and shared dispositive power over 19,228,375 shares.
• An internal realignment occurred on January 12, 2026, where The Vanguard Group, Inc. ceased performing portfolio management services or administering proxy voting.
• Following the realignment, certain subsidiaries or business divisions of The Vanguard Group, Inc. are expected to report beneficial ownership separately (on a disaggregated basis).

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral disclosure, typical for large institutional investors reporting their passive stake, with no direct positive or negative implications for Sotera Health's operational performance or strategy.

Future Outlook

The Vanguard Group, Inc. anticipates that certain subsidiaries or business divisions will report beneficial ownership separately (on a disaggregated basis) in reliance on SEC Release No. 34-39538, following an internal realignment on January 12, 2026.

Management Comments

• The Vanguard Group, Inc.'s clients, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein. No one other person's interest in the securities reported herein is more than 5%.

Industry Context

StockSavvy.ai notes that Schedule 13G filings are routine disclosures by passive institutional investors holding more than 5% of a company's stock. This filing indicates The Vanguard Group maintains a significant, but non-controlling, stake in Sotera Health Co. The internal realignment at Vanguard is an operational change within the investment firm, not specific to Sotera Health, and reflects a shift in how beneficial ownership will be reported by its various entities.

Stakeholder Impact

• Shareholders of Sotera Health Co are informed of a significant institutional investor's continued stake in the company.

Next Steps

• The Vanguard Group, Inc. anticipates that certain subsidiaries or business divisions will report beneficial ownership separately (on a disaggregated basis) from The Vanguard Group, Inc. in reliance on SEC Release No. 34-39538.

Key Dates

Keywords

Sotera Health Co, Vanguard Group, Schedule 13G, Beneficial Ownership, Common Stock, Institutional Investor, SEC Filing