1607 Capital holds 12.65% of Japan Smaller Capitalization Fund (JOF) in Schedule 13G/A

Rhea-AI Filing Summary

1607 Capital Partners, LLC reports beneficial ownership of 3,584,600 shares of Japan Smaller Capitalization Fund, Inc. The Schedule 13G/A amendment states the position represents 12.65% of the issuer's common stock as of 03/31/2026. The filing lists sole voting and dispositive power over the shares and is signed by Kevin Rutherford, Chief Compliance Officer, dated 05/15/2026.

Insights

Institutional Ownership Specialist

1607 Capital holds a significant passive stake in JOF at 12.65%

The amendment to Schedule 13G/A reports that 1607 Capital Partners, LLC beneficially owns 3,584,600 shares of common stock, with sole voting and dispositive power. The position is presented as of 03/31/2026.

The filing is a disclosure of ownership under Schedule 13G/A terms; timing and intent are consistent with passive reporting. Subsequent filings would show any change in percentage or voting arrangements.

Key Figures

Beneficial ownership: 3,584,600 shares Percent of class: 12.65% CUSIP: 47109U104 +1 more

4 metrics

Beneficial ownership 3,584,600 shares as of 03/31/2026

Percent of class 12.65% as of 03/31/2026

CUSIP 47109U104 Japan Smaller Capitalization Fund common stock

Filing signature date 05/15/2026 signature by Chief Compliance Officer Kevin Rutherford

Key Terms

Schedule 13G/A, Beneficially owned, Sole Voting Power

3 terms

Schedule 13G/A regulatory

"Amendment No. 16; Schedule 13G/A amendment reporting beneficial ownership"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

Beneficially owned financial

"Item 4. Ownership (a) Amount beneficially owned: 3,584,600"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Sole Voting Power regulatory

"Item 4(c)(i) Sole power to vote or to direct the vote: 3,584,600"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 16)

Japan Smaller Capitalization Fund, Inc.

(Name of Issuer)

Common Stock, par value $0.10 per share

(Title of Class of Securities)

47109U104

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 47109U104

1

Names of Reporting Persons

1607 Capital Partners, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 3,584,600.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 3,584,600.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,584,600.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

12.65 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Japan Smaller Capitalization Fund, Inc.
(b)	Address of issuer's principal executive offices: Worldwide Plaza, 309 West 49th Street, New York, New York 10019
Item 2.
(a)	Name of person filing: 1607 Capital Partners, LLC
(b)	Address or principal business office or, if none, residence: 13 S. 13th Street, Suite 400, Richmond, Virginia 23219
(c)	Citizenship: Delaware, United States
(d)	Title of class of securities: Common Stock, par value $0.10 per share
(e)	CUSIP No.: 47109U104
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 3,584,600
(b)	Percent of class: 12.65%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 3,584,600
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 3,584,600
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

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.

1607 Capital Partners, LLC

Signature:	Kevin Rutherford
Name/Title:	Kevin Rutherford | Chief Compliance Officer
Date:	05/15/2026

FAQ

How many JOF shares does 1607 Capital Partners report owning?

Direct answer: 1607 Capital Partners reports beneficial ownership of 3,584,600 shares of Japan Smaller Capitalization Fund, Inc. Context: The Schedule 13G/A lists this stake as representing 12.65% of the common stock as of 03/31/2026, signed 05/15/2026.

What voting and dispositive powers does 1607 Capital report over JOF shares?

Direct answer: The filing states 1607 Capital has sole power to vote and sole power to dispose of 3,584,600 shares. Context: Shared voting and dispositive powers are reported as 0 in the Schedule 13G/A amendment.

What date anchors the ownership percentage reported by 1607 Capital in JOF?

Direct answer: The beneficial ownership percentage (12.65%) is reported as of 03/31/2026. Context: The Schedule 13G/A amendment includes a signature dated 05/15/2026 from the Chief Compliance Officer, Kevin Rutherford.

Who signed the Schedule 13G/A amendment for 1607 Capital regarding JOF?

Direct answer: The filing is signed by Kevin Rutherford, identified as Chief Compliance Officer. Context: The signature block shows the signing date as 05/15/2026 on the Schedule 13G/A amendment for Japan Smaller Capitalization Fund, Inc.