Security key
425885100
HENNESSY ADVISORS INC - Common stock, no par value (HNNA)
CUSIP: 425885100
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common stock, no par value
- Total 13F shares
- 1,107,888
- Total 13F value
- $10,636,398
- Share change
- -119,156
- SEC-reported price per share
- $9.60
- Number of holders
- 28
- Value change
- -$1,234,640
- Number of buys
- 12
- Number of sells
- 11
- Shares outstanding
- 7,865,673
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
28
Top holders
10
HNNA full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
HENNESSY ADVISORS INC SEC filings
HENNESSY ADVISORS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 425885100
Recent filing periods:
Ownership snapshot
Top reported holders of HNNA - HENNESSY ADVISORS INC - Common stock, no par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
SEAPORT GLOBAL ASSET MANA...
Disclosed value leader
Neil J. Hennessy
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G
3/4/5
13F
Lead comparable stake: 5.2%
13D/G row: SEAPORT GLOBAL ASSET MANAGEMENT LLC
Showing 1-6 of 15 holder rows.
Quick read
SEAPORT GLOBAL ASSET MANAGEMENT LLC leads the comparable SEC ownership view at 5.2%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens SEAPORT GLOBAL ASSET MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
SEAPORT GLOBAL ASSET MANAGEMENT LLC
5.2%
Neil J. Hennessy
27%
Brian A. Hennessy
3.5%
Henry C. Hansel
2.8%
Teresa M. Nilsen
2.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| SEAPORT GLOBAL ASSET MANAGEMENT LLC |
13D/G
|
5.2%
|
$3,926,667
409,015 shares
|
$0 | 31 Dec 2025 |
| Neil J. Hennessy |
3/4/5
CEO, Director, 10%+ Owner
|
27%
|
$23,174,771
2,091,232 shares
|
— | 18 Sep 2025 |
| Brian A. Hennessy |
3/4/5
Director
|
3.5%
|
$2,751,399
272,416 shares
|
— | 19 Dec 2025 |
| Henry C. Hansel |
3/4/5
Director
|
2.8%
|
$2,467,601
220,125 shares
|
— | 18 Sep 2025 |
| Teresa M. Nilsen |
3/4/5
President, COO and Secretary, Director
|
2.1%
|
$1,793,788
161,766 shares
|
— | 18 Sep 2025 |
| Rodger D. Offenbach |
3/4/5
Advisory Committee Member
|
1.6%
|
$1,448,835
129,245 shares
|
— | 18 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
28
Shares
1,107,888
Rows available
28
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
26
Q4 2025 holders
28
Holder diff
2
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend