Prosperity Bancshares (PB) reports $153M in Form 13F equity holdings

Rhea-AI Filing Summary

Prosperity Bancshares, Inc. filed a quarterly Form 13F as an institutional investment manager reporting its equity holdings. The report covers securities over which the ABNA Trust Department of Prosperity Bank exercised investment discretion as of June 30, 2026, following ABNA’s merger into Prosperity Bank on January 1, 2026.

The filing is a 13F Holdings Report, listing 450 reportable positions with an aggregate reported value of $153,080,628. One other included manager, American Bank National Association, is identified in the report structure.

Key Figures

Form 13F Information Table Value Total: $153,080,628 Form 13F Information Table Entry Total: 450 Number of Other Included Managers: 1 +2 more

5 metrics

Form 13F Information Table Value Total $153,080,628 Aggregate reported value of all Form 13F positions

Form 13F Information Table Entry Total 450 Number of reportable securities positions in the 13F table

Number of Other Included Managers 1 Includes American Bank National Association as an additional manager

As-of Date for Investment Discretion June 30, 2026 Date as of which ABNA Trust Department exercised investment discretion

ABNA Merger Effective Date January 1, 2026 ABNA merged with and into Prosperity Bank on this date

Key Terms

Form 13F, investment discretion, 13F HOLDINGS REPORT, institutional investment manager

4 terms

Form 13F regulatory

"Prosperity Bancshares Inc is filing this Form 13F on behalf of ABNA."

A Form 13F is a quarterly filing that large investment managers must submit to disclose their holdings in publicly traded stocks and certain other securities. It acts like a peek into the portfolios of big investors, helping other market participants see what large players are buying or selling and offering clues about investment trends, crowded trades, and potential market impact.

investment discretion financial

"securities over which the ABNA Trust Department ... exercised investment discretion"

13F HOLDINGS REPORT regulatory

"Report Type (Check only one.) X | 13F HOLDINGS REPORT."

institutional investment manager regulatory

"The institutional investment manager filing this report and the person by whom it is signed"

FAQ

What does Prosperity Bancshares (PB) report in this Form 13F?

Prosperity Bancshares reports a Form 13F Holdings Report detailing institutional equity positions. The holdings reflect securities over which the ABNA Trust Department of Prosperity Bank exercised investment discretion as of June 30, 2026.

What is the total value of holdings reported by Prosperity Bancshares (PB)?

The Form 13F lists an aggregate reported value of $153,080,628. This total covers all 450 reportable positions over which the ABNA Trust Department exercised investment discretion as of June 30, 2026.

How many positions are included in Prosperity Bancshares’ (PB) Form 13F?

The filing states a Form 13F Information Table Entry Total of 450. These entries represent individual reportable securities positions managed under the ABNA Trust Department at Prosperity Bank as of June 30, 2026.

Which other manager is included in Prosperity Bancshares’ (PB) 13F report?

The report lists American Bank National Association as one other included manager. Prosperity notes that ABNA merged into its wholly owned subsidiary Prosperity Bank effective January 1, 2026.

What type of 13F filing did Prosperity Bancshares (PB) submit?

Prosperity Bancshares submitted a 13F HOLDINGS REPORT. This means all holdings for this reporting manager are included in this report, rather than referenced in separate 13F notices or combination reports.

Who signed the Form 13F for Prosperity Bancshares (PB)?

The report was signed by Charlotte M. Rasche, Executive Vice President and General Counsel. The signature is dated August 14, 2026, in Houston, Texas, on behalf of Prosperity Bancshares, Inc.

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Available on EDGAR 08/14/2026 - 12:16 PM Accepted by SEC EDGAR 08/14/2026 - 12:16 PM Learn about SEC filing dates

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL

OMB Number:			3235-0006
Estimated average burden
hours per response:			23.8

Report for the Calendar Year or Quarter Ended: 06-30-2026

Check here if Amendment		Amendment Number:
This Amendment (Check only one.):		is a restatement.
		adds new holdings entries.

Institutional Investment Manager Filing this Report:
Name:	Prosperity Bancshares Inc
Address:	4295 San Felipe
	Houston, TX 77027
Form 13F File Number:	028-26579
CRD Number (if applicable):
SEC File Number (if applicable):	001-35388

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name:		Charlotte M. Rasche
Title:		Executive Vice President and General Counsel
Phone:		281-269-7199
Signature, Place, and Date of Signing:
/s/ Charlotte M. Rasche			Houston, TX	08-14-2026
[Signature]			[City, State]	[Date]
Prosperity Bancshares, Inc. (Prosperity) is filing this Form 13F on behalf of American Bank National Association (ABNA). All information contained in this report reflects securities over which the ABNA Trust Department, a division of Prosperity Bank, exercised investment discretion as of June 30, 2026. On January 1, 2026, ABNA merged with and into Prosperity's wholly owned subsidiary Prosperity Bank.

Report Type (Check only one.):
X	13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
	13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
	13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

Form 13F Summary Page
	Report Summary:
	Number of Other Included Managers:		1
	Form 13F Information Table Entry Total:		450
	Form 13F Information Table Value Total:		153,080,628
			(round to nearest dollar)

List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]
	No.	Name	Form 13F File No.	CRD No. (if applicable)	SEC File No. (if applicable)	CIK
	1	American Bank National Association