SCHEDULE 13G/A: William Blair Investment Management Discloses 9.0% Stake in Mercury Systems Inc.
Beneficial Ownership Disclosure
William Blair Investment Management, LLC has filed an Amendment No. 7 to Schedule 13G, disclosing a 9.0% beneficial ownership stake in Mercury Systems Inc. as of March 31, 2025.
Summary
- William Blair Investment Management, LLC reported beneficial ownership of 5,372,198 shares of Mercury Systems Inc. common stock.
- This ownership represents 9.0% of the total class of Mercury Systems Inc. securities.
- The filing is an Amendment No. 7 to Schedule 13G, indicating an update to a previously reported beneficial ownership.
- William Blair Investment Management, LLC holds sole voting power over 4,943,871 shares and sole dispositive power over all 5,372,198 beneficially owned shares.
- The reporting person certified that the securities were acquired and are held in the ordinary course of business and not for the purpose of or with the effect of changing or influencing the control of the issuer.
Sentiment
Score: 5
Explanation: The filing is a routine disclosure of beneficial ownership by an institutional investor and does not contain information that would inherently indicate a positive or negative sentiment beyond the fact of a significant stake.
Positives
- A significant institutional investor, William Blair Investment Management, LLC, maintains a substantial 9.0% stake in Mercury Systems Inc., indicating continued confidence in the company.
Future Outlook
NA
Industry Context
This filing provides insight into the institutional ownership structure of Mercury Systems Inc., a company operating in the defense and aerospace technology sector. Significant institutional holdings like this are common in the industry, reflecting investor interest in companies with government contracts and specialized technology.
Stakeholder Impact
- Shareholders: Provides transparency regarding a significant institutional holder's stake, which can influence market perception and liquidity.
Key Dates
| Date | Description |
|---|---|
| 03/31/2025 | Date of event which requires filing of this statement |
| 05/09/2025 | Date of filing of this statement |
Keywords
Mercury Systems Inc, William Blair Investment Management, Schedule 13G, Beneficial Ownership, Common Stock, Institutional Investor, SEC Filing, Defense Technology, Aerospace, Electronics
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