13D Filings
First Trust Mortgage Income Fund
FMY
Amendment
Ownership

52.00%

Total Shares

2,192,343

Issuer CIK

1319183

CUSIP

33734E103

Event Date

Dec 17, 2025

Accepted

Dec 23, 2025, 04:43 PM

Reporting Persons (2)
Joint Filing

This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.

NameType% of ClassAggregateSole VotingShared Voting
Sit Investment Associates, Inc.
Investment Adviser
52.00%2,192,34302,192,343
Sit Fixed Income Advisors II, LLC
Investment Adviser
52.00%2,192,34302,192,343
Disclosure Items (3)

Security Title

Common Stock

Issuer Name

First Trust Mortgage Income Fund

Issuer Address

120 East Liberty Drive, Suite 400, Wheaton, IL, 60187

Percentage of Class

The aggregate percentage of Shares reported owned by Sit Entities herein is based upon 4,213,115 Shares outstanding as of April 30, 2025, which is the total number of Shares outstanding as reported in the Issuer's Report on Form N-CSRS filed with the Securities Exchange Commission. As of the date hereof, the Sit Entities may be deemed to be the beneficial owner of 2,192,343 Shares held in client accounts which represent 52.0% of the Issuer's outstanding Shares.

Number of Shares

Each of the Sit Entities may be deemed to have shared power to vote and dispose of such Shares. However, none of SIA's or SFI's directors or executive officers own Shares directly.

Transactions

Transactions in Shares by the Sit Entities in the last 60 days are set forth in Exhibit A.

Shareholders

The clients of SIA and SFI have the right to participate in the receipt of dividends from, or proceeds from the sales of, the Shares held for their respective accounts.

Date of 5% Ownership

Not applicable

Exhibit A: Schedule of Transactions in Shares by Sit Entities in the last 60 days.

First Trust Mortgage Income Fund — Schedule 13D | 13D Filings