Sit Entities report 5.2% in Eaton Vance Short Duration (NYSE: EVG)

Rhea-AI Filing Summary

Sit Investment Associates, Inc. and Sit Fixed Income Advisors II, LLC report beneficial ownership of 693,390 shares of Eaton Vance Short Duration Diversified Income Fund common stock, representing 5.2% of the fund’s outstanding shares, based on 13,456,906 shares outstanding as of October 31, 2025.

The Sit entities, both registered investment advisers, hold these shares in client accounts and have shared power to vote and dispose of them. No individual client account owns more than 5% of the fund’s shares, and none of the firms’ directors or executive officers own shares directly.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 1)

Eaton Vance Short Duration Diversified Income Fund

(Name of Issuer)

Common Stock

(Title of Class of Securities)

27828V104

(CUSIP Number)

Paul E. Rasmussen
80 South Eighth Street, Suite 3300
Minneapolis, MN, 55402-4130
612-332-3223

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

02/04/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP No. 27828V104

1

Name of reporting person

Sit Investment Associates, Inc.

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

MINNESOTA

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 693,390.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 693,390.00

11

Aggregate amount beneficially owned by each reporting person

693,390.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

5.2 %

14

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13D

CUSIP No. 27828V104

1

Name of reporting person

Sit Fixed Income Advisors II, LLC

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 693,390.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 693,390.00

11

Aggregate amount beneficially owned by each reporting person

693,390.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

5.2 %

14

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Stock
(b)	Name of Issuer: Eaton Vance Short Duration Diversified Income Fund
(c)	Address of Issuer's Principal Executive Offices: One Post Office Square, Boston, MASSACHUSETTS , 02109.
Item 2.	Identity and Background
(a)	This statement is filed by: Sit Investment Associates, Inc., a Minnesota corporation (SIA), and Sit Fixed Income Advisors II, LLC, a Delaware limited liability company (SFI). Both SIA and SFI are parties to a Joint Filing Agreement as filed on October 20, 2025 as exhibit B to the Original Schedule 13D.
(b)	The business address of each of the Sit Entities is 80 South Eighth Street, Suite 3300. Minneapolis, MN 55402
(c)	SIA is a registered investment adviser. SFI is a registered investment adviser and subsidiary of SIA. SIA or SFI serves as investment adviser on behalf of its clients. SIA and SFI have entered into investment management agreements with each of its clients pursuant to which SIA or SFI has full discretionary authority to direct the investments of its client in accordance with the investment objectives and restrictions of the client. The investment management agreements also provide that SIA or SFI has assumed the responsibility to vote on behalf of its clients all shares held by its clients in accounts managed by SIA or SFI. Roger J. Sit is chairman and CEO of SIA and SFI. Ronald D. Sit is a director of SIA. Raymond E. Sit is a vice president and director of SIA. By virtue of these positions, each of SIA, SFI, Roger J. Sit, Ronald D. Sit, and Raymond E. Sit may be deemed to beneficially own the Shares held in SIA and SFI client accounts. SIA, SFI, Roger J. Sit, Ronald D. Sit, and Raymond E. Sit together are the "Sit Entities."
(d)	During the last five years, Roger J. Sit, Ronald D. Sit, and Raymond E. Sit have not been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).
(e)	During the last five years, none of the Sit Entities have been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree, or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.
(f)	Roger J. Sit, Ronald D. Sit, and Raymond E. Sit are United States citizens.
Item 5.	Interest in Securities of the Issuer
(a)	The aggregate percentage of Shares reported owned by Sit Entities herein is based upon 13,456,906 Shares outstanding as of October 31, 2025, which is the total number of Shares outstanding as reported in the Issuer's Form N-CSR. As of the date hereof, the Sit Entities may be deemed to be the beneficial owner of 693,390 Shares held in client accounts which represent 5.2% of the Issuer's outstanding Shares.
(b)	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 client accounts own more than 5% of the shares outstanding, and none of SIA's or SFI's directors or executive officers own shares directly.
(c)	Transactions in Shares effected during the past 60 days by the Sit Entities are set forth in Exhibit A.
(d)	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.
(e)	Not applicable.
Item 7.	Material to be Filed as Exhibits.
	Exhibit A: Schedule of Transactions in Shares by Sit Entities during the past 60 days

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Sit Investment Associates, Inc.

Signature:	/s/ Roger J. Sit
Name/Title:	Roger J. Sit, Chairman & CEO
Date:	02/05/2026

Sit Fixed Income Advisors II, LLC

Signature:	/s/ Roger J. Sit
Name/Title:	Roger J. Sit, Chairman & CEO
Date:	02/05/2026

FAQ

What stake in Eaton Vance Short Duration Diversified Income Fund does Sit hold?

Sit Investment Associates, Inc. and Sit Fixed Income Advisors II, LLC may be deemed to beneficially own 693,390 shares of Eaton Vance Short Duration Diversified Income Fund. This represents 5.2% of the issuer’s outstanding common shares, based on 13,456,906 shares reported outstanding as of October 31, 2025.

Who are the reporting persons in this EVG Schedule 13D/A filing?

The reporting persons are Sit Investment Associates, Inc., a Minnesota corporation, and Sit Fixed Income Advisors II, LLC, a Delaware limited liability company and subsidiary of SIA. Together with certain individuals, they are referred to as the “Sit Entities” and act as registered investment advisers for client accounts.

How much voting and dispositive power do the Sit Entities have over EVG shares?

The Sit Entities report shared voting power and shared dispositive power over 693,390 shares of Eaton Vance Short Duration Diversified Income Fund. They indicate no sole voting power and no sole dispositive power, reflecting that the shares are held in client accounts managed under discretionary investment management agreements.

Do Sit’s individual client accounts exceed 5% ownership of EVG shares?

None of Sit Investment Associates’ or Sit Fixed Income Advisors II’s client accounts own more than 5% of Eaton Vance Short Duration Diversified Income Fund’s outstanding shares. The 5.2% beneficial ownership reported reflects the aggregate shares held across multiple client accounts, not a single concentrated client position.

Do Sit’s directors or executive officers directly own EVG shares?

The filing states that none of Sit Investment Associates’ or Sit Fixed Income Advisors II’s directors or executive officers own shares directly. Any beneficial ownership attributed to individuals such as Roger J. Sit arises from their positions within the Sit Entities and the client accounts those entities manage.

On what share count is Sit’s 5.2% ownership of EVG based?

The reported 5.2% beneficial ownership is based on 13,456,906 shares of Eaton Vance Short Duration Diversified Income Fund outstanding as of October 31, 2025. That outstanding share figure is taken from the issuer’s Form N-CSR and used to calculate the Sit Entities’ percentage interest.