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Hennessy Advisors (NASDAQ: HNNA) reports $2.90B in 13F holdings

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
13F-HR

Rhea-AI Filing Summary

Hennessy Advisors Inc. filed a Form 13F reporting its institutional holdings, listing 281 positions with a total market value of $2,896,731,940. The filing is signed by Teresa M. Nilsen, President and Chief Operating Officer, dated 10-20-2025.

The report certifies that all required items and the information table are included and that this is a 13F HOLDINGS REPORT (all holdings reported). The form identifies the reporting manager's address as 7250 Redwood Blvd., Suite 200, Novato, CA.

Positive

  • None.

Negative

  • None.

Insights

13F shows scale and breadth: 281 positions totaling $2.90B.

The filing lists an information table total value of $2,896,731,940 across 281 reported holdings, indicating diversified institutional exposure. This is a routine quarterly disclosure of long equity positions under Form 13F.

Cash‑flow treatment and specific position weights are detailed in the underlying holdings table; the filing certifies completeness and is signed on 10-20-2025. Subsequent detailed position analysis requires the information table entries.

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: 09-30-2025
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: HENNESSY ADVISORS INC
Address: 7250 REDWOOD BLVD.
SUITE 200
NOVATO, CA 94945
Form 13F File Number: 028-06715
CRD Number (if applicable):
SEC File Number (if applicable):

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: Teresa M. Nilsen
Title: President and Chief Operating Officer
Phone: 415-899-1555
Signature, Place, and Date of Signing:
Teresa M. Nilsen NOVATO, CA 10-20-2025
[Signature] [City, State] [Date]
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: 0
Form 13F Information Table Entry Total: 281
Form 13F Information Table Value Total: 2,896,731,940
(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.]
NONE

FAQ

What did Hennessy Advisors (HNNA) report on its Form 13F?

Hennessy Advisors reported 281 positions with a total market value of $2,896,731,940. This Form 13F summarizes long equity holdings and certifies the report was signed by Teresa M. Nilsen on 10-20-2025.

Does the Form 13F for HNNA show all holdings for the manager?

Yes — the filing is marked as a 13F HOLDINGS REPORT, indicating all holdings of this reporting manager are reported. The summary page lists 281 information table entries and a total value of $2,896,731,940.

Who certified the Hennessy Advisors 13F filing and when?

The report was signed and certified by Teresa M. Nilsen, President and Chief Operating Officer, on 10-20-2025. The filing includes the manager's Novato, CA address on the cover page.

Where can I find the detailed holdings behind the HNNA 13F total?

The detailed holdings are in the Form 13F information table referenced on the summary page with 281 entries. Review the filing's holdings table to see individual position names, share counts, and market values.

What does the reported total value of $2,896,731,940 represent?

The figure is the Form 13F information table value total, reported in dollars as $2,896,731,940. It represents the aggregate market value of the long equity positions included in this filing.