Nuveen Mortgage and Income Fund shifts sub-adviser

Rhea-AI Filing Summary

Nuveen Mortgage and Income Fund reports that, following the merger of Teachers Advisors, LLC into Nuveen Asset Management, LLC completed at the close of business on July 31, 2026, the Board of Trustees approved an investment sub-advisory agreement making Nuveen Asset Management the Fund’s new sub-adviser effective August 1, 2026.

The new agreement between Nuveen Fund Advisors, LLC and Nuveen Asset Management is described as substantially similar in all material respects to the prior agreement with Teachers Advisors. Nuveen Asset Management will provide the same level of services, and there is no change to the fees paid by the Fund, the advisory or portfolio management fees, the portfolio management team, or the Fund’s investment objectives, policies, strategies, principal risks, or expenses.

8-K Event Classification

Item 8.01 — Other Events

1 item

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Key Figures

Merger completion date: July 31, 2026 Effective date of new sub-advisory agreement: August 1, 2026

2 metrics

Merger completion date July 31, 2026 Merger of Teachers Advisors, LLC into Nuveen Asset Management, LLC completed as of close of business

Effective date of new sub-advisory agreement August 1, 2026 Nuveen Asset Management replaces Teachers Advisors as sub-adviser effective on this date

Key Terms

investment sub-advisory agreement, portfolio management fee, principal investment strategies, emerging growth company

4 terms

investment sub-advisory agreement financial

"approved an investment sub-advisory agreement, effective on August 1, 2026"

portfolio management fee financial

"NFAL pays NAM a portfolio management fee out of the advisory fee"

principal investment strategies financial

"no changes to the Fund’s portfolio management team, investment objective or policies, principal investment strategies"

emerging growth company regulatory

"Emerging growth company"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What change did Nuveen Mortgage and Income Fund (JLS) disclose on August 1, 2026?

Nuveen Mortgage and Income Fund disclosed that Nuveen Asset Management, LLC has become its sub-adviser, replacing Teachers Advisors, LLC. This follows the merger of Teachers Advisors into Nuveen Asset Management and is implemented through a new investment sub-advisory agreement.

Does the new sub-advisory agreement affect fees for Nuveen Mortgage and Income Fund (JLS)?

The change does not affect fees. The Fund continues to pay the same advisory fee to Nuveen Fund Advisors, and Nuveen Fund Advisors pays Nuveen Asset Management the same portfolio management fee, so overall fee levels remain unchanged for the Fund.

Are there changes to JLS’s investment objective, policies, or principal strategies?

There are no changes to the Fund’s investment objective, policies, principal investment strategies, or principal risks. The disclosure specifies that these aspects, as well as related fees and expenses, remain the same after the sub-adviser transition.

When did Nuveen Asset Management officially become sub-adviser to Nuveen Mortgage and Income Fund (JLS)?

Nuveen Asset Management became sub-adviser to the Fund effective August 1, 2026. The underlying merger of Teachers Advisors into Nuveen Asset Management was completed as of the close of business on July 31, 2026.

Will the portfolio management team for Nuveen Mortgage and Income Fund (JLS) change after this merger?

The portfolio management team will not change as a result of the merger and new sub-advisory agreement. The Fund states there are no changes to the team managing the portfolio or the services provided to shareholders.

How are Nuveen Fund Advisors, Nuveen Asset Management, and Teachers Advisors related for JLS?

Nuveen Fund Advisors is the Fund’s investment adviser, while Nuveen Asset Management is now the sub-adviser. Before the merger, both Nuveen Asset Management and Teachers Advisors were affiliates of Nuveen Fund Advisors and subsidiaries of Nuveen, LLC and ultimately Teachers Insurance and Annuity Association of America.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/03/2026 - 06:03 AM Accepted by SEC EDGAR 07/31/2026 - 06:04 PM Learn about SEC filing dates

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 1, 2026

Nuveen Mortgage and Income Fund

(Exact name of registrant as specified in its charter)

Massachusetts		811-22329		27-1094170
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)
333 West Wacker Drive Chicago, Illinois				60606
(Address of principal executive offices)				(Zip Code)

Registrant’s telephone number, including area code: (312) 917-7700

(Former name or former address, if changed since last report): N/A

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Shares of Beneficial Interest		JLS		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01. Other Events.

In connection with the merger of Teachers Advisors, LLC (“TAL”) into Nuveen Asset Management, LLC (“NAM”) that was completed as of the close of business on July 31, 2026, the Board of Trustees of Nuveen Mortgage and Income Fund (the “Fund”) approved an investment sub-advisory agreement, effective on August 1, 2026, between Nuveen Fund Advisors, LLC (“NFAL”), as investment adviser of the Fund, and NAM, pursuant to which NAM will replace TAL as the Fund’s sub-adviser.

The terms of the amended and restated sub-advisory agreement are substantially similar in all material respects to the terms of the prior sub-advisory agreement with TAL. NAM will provide the same level of services to the Fund as TAL provided. Prior to the merger, NAM and TAL were both affiliates of NFAL and subsidiaries of Nuveen, LLC and, ultimately, Teachers Insurance and Annuity Association of America.

NAM, located at 333 West Wacker Drive, Chicago, Illinois 60606, now serves as sub-adviser of the Fund. NFAL pays NAM a portfolio management fee out of the advisory fee paid to NFAL for its services to the Fund. As a result of the merger, there has been no change in the fee paid by the Fund to NFAL or the fee paid by NFAL to NAM.

In addition, there are no changes to the Fund’s portfolio management team, investment objective or policies, principal investment strategies, principal risks, or fees and expenses related to the merger.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		Nuveen Mortgage and Income Fund
Date: August 1, 2026		By:		/s/ Mark L. Winget
				Mark L. Winget
				Vice President and Secretary

Filing Exhibits & Attachments

3 documents

Other Documents

• EX-101 XBRL SCHEMA FILE 2.9 KB
• EX-101 XBRL LABEL FILE 33.4 KB
• EX-101 XBRL PRESENTATION FILE 21.8 KB