SCHEDULE: Nuveen Mortgage & Income Fund: Sit Investment Associates Discloses Stake

Sit Investment Associates and its subsidiary Sit Fixed Income Advisors II, LLC have filed a Schedule 13G, reporting beneficial ownership of 16.8% of Nuveen Mortgage & Income Fund's common stock.

Summary

• Sit Investment Associates, Inc. (SIA) and its subsidiary Sit Fixed Income Advisors II, LLC (SFI) have filed a Schedule 13G, indicating their beneficial ownership of Nuveen Mortgage & Income Fund's common stock.
• The filing reports a shared voting and dispositive power over 918,869 shares, representing 16.8% of the outstanding common stock.
• The ownership percentages are based on 5,476,626 shares outstanding as of December 31, 2025.
• SIA and SFI act as investment advisers to various client accounts that hold these shares.
• Both entities disclaim beneficial ownership of these securities, as they are owned by the client accounts.
• The filing is an amendment, indicating a change or update to previous filings.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing. It's a routine disclosure of beneficial ownership by investment managers for their client accounts, without providing performance or strategic information.

Positives

• Significant stake reported by established investment advisors, potentially indicating confidence in the fund's strategy.
• The filing is routine for institutional investors and does not inherently signal negative news.

Negatives

• The filing does not contain financial performance data or strategic updates, limiting the assessment of the fund's health.
• The disclaimer of beneficial ownership by SIA and SFI means the actual beneficial owners are numerous client accounts, making direct attribution of intent difficult.

Risks

• The filing does not explicitly mention any risks associated with the investment or the fund itself.
• Potential for future changes in beneficial ownership by the reporting persons or the underlying client accounts.

Future Outlook

No forward-looking statements or guidance are provided in this Schedule 13G filing.

Management Comments

• "All securities reported in this schedule 13G are owned by the Accounts."
• "Pursuant to Rule 13d-4 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), SIA and SFI disclaim beneficial ownership of such securities."
• "The Accounts are known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities."

Industry Context

StockSavvy.ai notes that Schedule 13G filings are standard for institutional investors crossing certain ownership thresholds. This filing indicates Sit Investment Associates and its subsidiary maintain a significant, though not controlling, stake in the Nuveen Mortgage & Income Fund, consistent with their role as investment managers for various client accounts.

Stakeholder Impact

• Shareholders: The filing confirms a significant institutional investor's presence, which can be viewed positively for stability, but the disclaimed beneficial ownership means direct influence is diffused across client accounts.
• Fund Management: Indicates continued management of client assets within the Nuveen Mortgage & Income Fund by Sit Investment Associates and its subsidiary.

Next Steps

• Monitor future filings for any changes in ownership or reporting status.
• Review Nuveen Mortgage & Income Fund's primary financial reports for performance and strategic updates.

Key Dates

Keywords

Schedule 13G, Nuveen Mortgage & Income Fund, Sit Investment Associates, Sit Fixed Income Advisors II, Beneficial Ownership, Investment Adviser, Common Stock, SEC Filing