Japan Smaller Capitalization Fund holder reports 9.61% stake

1607 Capital Partners, LLC reports beneficial ownership of common stock of Japan Smaller Capitalization Fund, Inc. in Amendment No. 17 to its Schedule 13G. As of June 30, 2026, 1607 Capital Partners beneficially owned 2,724,109 shares of common stock.

Rhea-AI Filing Summary

1607 Capital Partners, LLC reports beneficial ownership of common stock of Japan Smaller Capitalization Fund, Inc. in Amendment No. 17 to its Schedule 13G. As of June 30, 2026, 1607 Capital Partners beneficially owned 2,724,109 shares of common stock.

This position represents 9.61% of the outstanding class. The firm has sole voting power and sole dispositive power over all 2,724,109 shares, with no shared voting or dispositive power reported.

Key Figures

Beneficial ownership: 2,724,109 shares Percent of class: 9.61% Sole voting power: 2,724,109 shares +2 more

5 metrics

Beneficial ownership 2,724,109 shares Common stock of Japan Smaller Capitalization Fund, Inc. beneficially owned by 1607 Capital Partners, LLC

Percent of class 9.61% Percentage of the outstanding common stock class held by 1607 Capital Partners, LLC

Sole voting power 2,724,109 shares Shares over which 1607 Capital Partners, LLC has sole power to vote

Sole dispositive power 2,724,109 shares Shares over which 1607 Capital Partners, LLC has sole power to dispose

CUSIP 47109U104 CUSIP for Japan Smaller Capitalization Fund, Inc. common stock

Key Terms

beneficially owned, sole voting power, sole dispositive power, percent of class, +1 more

5 terms

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 2,724,109"

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 financial

"Sole power to vote or to direct the vote: 2,724,109"

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.

sole dispositive power financial

"Sole power to dispose or to direct the disposition of: 2,724,109"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

percent of class financial

"(b) | Percent of class: 9.61%"

Percent of class is the portion of a specific category of securities—such as a company’s common shares, preferred shares, or a bond series—that takes part in or approves a corporate action (vote, consent, tender, etc.). Investors watch this number because it reveals how much support or opposition exists within that particular shareholder group; like counting how many members of a club back a proposal, it can determine whether a plan passes or how influence is distributed.

Schedule 13G regulatory

"reports beneficial ownership ... in Amendment No. 17 to its Schedule 13G"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

FAQ

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

What percentage of Japan Smaller Capitalization Fund (JOF) does 1607 Capital Partners own?

1607 Capital Partners, LLC reports beneficial ownership of 9.61% of Japan Smaller Capitalization Fund, Inc. This stake is based on 2,724,109 common shares held as of June 30, 2026, according to Amendment No. 17 to its Schedule 13G.

How many JOF shares does 1607 Capital Partners hold according to this filing?

1607 Capital Partners, LLC reports holding 2,724,109 shares of Japan Smaller Capitalization Fund, Inc. common stock. This position represents 9.61% of the class and is held with sole voting and sole dispositive power over all reported shares.

Does 1607 Capital Partners share voting power over its JOF stake?

No. 1607 Capital Partners, LLC reports sole voting power over 2,724,109 shares of Japan Smaller Capitalization Fund, Inc. It reports zero shared voting power, indicating exclusive authority to vote or direct the voting of these shares.

What dispositive powers does 1607 Capital Partners report over JOF shares?

1607 Capital Partners, LLC reports sole dispositive power over 2,724,109 shares of Japan Smaller Capitalization Fund, Inc. and no shared dispositive power. Sole dispositive power means it alone can decide whether and how to dispose of these shares.

As of what date is 1607 Capital Partners’ ownership in JOF measured?

The reported ownership of 2,724,109 shares, or 9.61% of Japan Smaller Capitalization Fund, Inc., is stated as of June 30, 2026. The Amendment No. 17 Schedule 13G reflects holdings at that measurement date.

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

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Available on EDGAR 08/14/2026 - 02:19 PM Accepted by SEC EDGAR 08/14/2026 - 02:17 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 17)

Japan Smaller Capitalization Fund, Inc.

(Name of Issuer)

Common Stock, par value $0.10 per share

(Title of Class of Securities)

47109U104

(CUSIP Number)

06/30/2026

(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 2,724,109.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 2,724,109.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,724,109.00

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)

9.61 %

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: 2,724,109
(b)	Percent of class: 9.61%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 2,724,109
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 2,724,109
	(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:	08/14/2026