SCHEDULE 13G/A: BlackRock Boosts Stake in QuidelOrtho to 14.8%

BlackRock, Inc. has reported an increased beneficial ownership stake of 14.8% in QuidelOrtho Corp., holding nearly 10 million shares of common stock.

Summary

• BlackRock, Inc. has filed an Amendment No. 5 to Schedule 13G, reporting its beneficial ownership in QuidelOrtho Corp.
• As of June 30, 2025, BlackRock, Inc. beneficially owns 9,995,336 shares of QuidelOrtho Corp. Common Stock.
• This aggregate amount represents 14.8% of the total outstanding common stock of QuidelOrtho Corp.
• BlackRock holds sole voting power over 9,853,000 shares and sole dispositive power over 9,995,336 shares.
• No shared voting or dispositive power is reported.
• One of BlackRock's entities, iShares Core S&P Small-Cap ETF, holds an interest greater than five percent of the total outstanding common stock of QuidelOrtho Corp.

Sentiment

Score: 5

Explanation: The document is a factual report of beneficial ownership and does not contain information that would indicate a positive or negative sentiment regarding the company's performance or outlook. It is a compliance filing.

Future Outlook

NA

Industry Context

This filing indicates a significant institutional investor, BlackRock, maintaining and potentially increasing its stake in QuidelOrtho Corp., a company operating in the diagnostics industry. Such a large holding by a major asset manager like BlackRock can signal confidence in the company's long-term prospects within its sector.

Stakeholder Impact

• Shareholders: The increased stake by a major institutional investor like BlackRock could be viewed positively, potentially signaling confidence in the company's value and future performance.

Key Dates

Keywords

BlackRock, QuidelOrtho Corp, Beneficial Ownership, Schedule 13G, Common Stock, Institutional Investor, SEC Filing, Investment Management