Renaissance Discloses 544,808-Share Position in RF Industries (5.11%)

Rhea-AI Filing Summary

Renaissance Technologies LLC and Renaissance Technologies Holdings Corporation report beneficial ownership of 544,808 shares of RF Industries common stock, representing 5.11% of the class. The reporting persons state they have sole voting and sole dispositive power over all 544,808 shares, indicating direct control of voting and disposition for this position. The filing classifies the reporting persons as an investment adviser (IA) and a holding company (HC), respectively.

The statement affirms the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer. The filing also notes that certain funds managed by the adviser have rights to dividends and sale proceeds related to these securities.

Positive

• Material disclosure: Beneficial ownership of 544,808 shares representing 5.11% of RF Industries is reported, satisfying regulatory transparency thresholds
• Sole voting and dispositive power: The reporting persons state they have exclusive authority to vote and dispose of the reported shares

Negative

• None.

Insights

Financial Analyst

TL;DR: Renaissance reports a material 5.11% stake with sole voting and dispositive power, a disclosure investors should note.

The Schedule 13G discloses a meaningful passive stake: 544,808 shares (5.11%). Sole voting and dispositive power implies Renaissance can unilaterally vote and sell the reported shares, which is important for ownership signaling although the filer attests the position is held in the ordinary course and not to influence control. For investors, the filing identifies a sizable institutional holder but contains no indication of activist intent or transaction plans. This is a routine beneficial ownership disclosure with potential market interest given the stake size.

Corporate Governance Expert

TL;DR: A >5% passive disclosure with sole control is material for governance tracking but shows no claimed change-of-control intent.

The report meets regulatory thresholds for transparency by showing a >5% holding and specifying voting and dispositive authority. Classification of the filers as an investment adviser and a holding company is standard and the certification clarifies the securities are not held to effect control. From a governance perspective, monitoring is warranted because sole voting power concentrated in a single institutional holder can matter if the holder later changes its intentions, but the filing itself contains no commitments to engage with management or propose governance actions.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

RF INDUSTRIES, LTD.

(Name of Issuer)

Common Stock, $0.01 par value per share

(Title of Class of Securities)

749552105

(CUSIP Number)

06/26/2025

(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)

SCHEDULE 13G

CUSIP No. 749552105

1

Names of Reporting Persons

Renaissance Technologies 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 544,808.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 544,808.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

544,808.00

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)

5.11 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

CUSIP No. 749552105

1

Names of Reporting Persons

Renaissance Technologies Holdings Corporation

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 544,808.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 544,808.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

544,808.00

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)

5.11 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: RF INDUSTRIES, LTD.
(b)	Address of issuer's principal executive offices: 16868 VIA DEL CAMPO COURT, SUITE 200, SAN DIEGO, CA 92127
Item 2.
(a)	Name of person filing: This Schedule 13G is being filed by Renaissance Technologies LLC ("RTC") and Renaissance Technologies Holdings Corporation ("RTHC").
(b)	Address or principal business office or, if none, residence: 800 Third Avenue New York, New York 10022
(c)	Citizenship: RTC is a Delaware limited liability company, and RTHC is a Delaware corporation.
(d)	Title of class of securities: Common Stock, $0.01 par value per share
(e)	CUSIP No.: 749552105
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: 544808
(b)	Percent of class: 5.11 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 544808
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 544808
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. Certain funds managed by RTC have the right to receive dividends and proceeds from the sale of the securities which are the subject of this report.
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.

Renaissance Technologies LLC

Signature:	Brian Felczak
Name/Title:	Chief Financial Officer
Date:	08/13/2025

Renaissance Technologies Holdings Corporation

Signature:	Brian Felczak
Name/Title:	Vice President
Date:	08/13/2025

Exhibit Information

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, each of the undersigned agrees to the filing on behalf of each of a Statement on Schedule 13G, and all amendments thereto, with respect to the shares of Common Stock, $0.01 par value per share of RF INDUSTRIES, LTD.

FAQ

How many RF Industries (RFIL) shares does Renaissance Technologies report owning?

The filing reports 544,808 shares beneficially owned by the reporting persons.

What percentage of RF Industries does the reported holding represent?

The reported position represents 5.11% of the outstanding class of RF Industries common stock.

Does Renaissance claim voting or disposal authority over these RFIL shares?

Yes. The filing states sole voting power and sole dispositive power over all 544,808 shares.

Did the filers indicate the purpose of the holding for RF Industries?

The filers certify the securities are held in the ordinary course of business and were not acquired to change or influence control of the issuer.

Which entities filed the Schedule 13G for RF Industries?

The Schedule 13G is filed by Renaissance Technologies LLC and Renaissance Technologies Holdings Corporation.