Aull & Monroe Investment Management Corp
- Regulatory AUM
- $323M
- Discretionary
- $323M
- Clients
- 190
- Avg AUM / client
- $1.7M
- Accounts
- 417
- Employees
- 5
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Mar 23, 2026
Investments (13F portfolio — 125 positions, $215,291,543)
13F period Mar 31, 2026| # | Issuer | Class | Value | Shares | % of 13F | % of AUM |
|---|---|---|---|---|---|---|
| 1 | Caterpillar Inc | COM | $11,666,768 | 16,468 | 5.42% | 3.61% |
| 2 | Eli Lilly & Co | COM | $8,605,368 | 9,356 | 4.0% | 2.66% |
| 3 | Southern Co | COM | $7,535,666 | 78,074 | 3.5% | 2.33% |
| 4 | Johnson & Johnson | COM | $7,468,495 | 30,553 | 3.47% | 2.31% |
| 5 | Deere & Co | COM | $7,060,450 | 12,534 | 3.28% | 2.18% |
| 6 | Exxon Mobil Corp | COM | $6,792,965 | 40,039 | 3.16% | 2.1% |
| 7 | Cme Group Inc | COM | $6,646,852 | 22,505 | 3.09% | 2.06% |
| 8 | Csx Corp | COM | $5,590,394 | 136,185 | 2.6% | 1.73% |
| 9 | Cboe Global Mkts Inc | COM | $5,276,808 | 18,774 | 2.45% | 1.63% |
| 10 | Duke Energy Corp New | COM NEW | $5,245,280 | 40,059 | 2.44% | 1.62% |
| 11 | Cummins Inc | COM | $5,167,682 | 9,605 | 2.4% | 1.6% |
| 12 | Chevron Corporation | COM | $5,014,678 | 24,237 | 2.33% | 1.55% |
| 13 | Nextera Energy Inc | COM | $4,752,084 | 51,164 | 2.21% | 1.47% |
| 14 | Seagate Technology Hldngs Pl | ORD SHS | $4,362,248 | 11,135 | 2.03% | 1.35% |
| 15 | Procter & Gamble Co | COM | $4,206,297 | 29,121 | 1.95% | 1.3% |
| 16 | Jpmorgan Chase & Co | COM | $4,192,074 | 14,251 | 1.95% | 1.3% |
| 17 | Corning Inc | COM | $3,898,124 | 28,669 | 1.81% | 1.21% |
| 18 | Microsoft Corp | COM | $3,662,023 | 9,893 | 1.7% | 1.13% |
| 19 | Home Depot Inc | COM | $3,457,292 | 10,512 | 1.61% | 1.07% |
| 20 | Amgen Inc | COM | $3,322,871 | 9,444 | 1.54% | 1.03% |
| 21 | Abbvie Inc | COM | $3,170,525 | 14,578 | 1.47% | 0.98% |
| 22 | Automatic Data Processing In | COM | $3,119,626 | 15,354 | 1.45% | 0.97% |
| 23 | Waste Mgmt Inc Del | COM | $3,066,318 | 13,344 | 1.42% | 0.95% |
| 24 | At&T Inc | COM | $2,991,190 | 103,180 | 1.39% | 0.93% |
| 25 | Rtx Corporation | COM | $2,806,116 | 14,547 | 1.3% | 0.87% |
Top 25 of 125 positions from the manager's latest Form 13F · source filing (EDGAR) ↗. 13F covers long US-listed positions only. "% of AUM" is share of the firm's total regulatory AUM (Form ADV Item 5.F).
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 121 | $35.1M | 10.9% |
| High net worth individuals | 59 | $253M | 78.4% |
| Pension and profit sharing plans | 10 | $22.4M | 6.94% |
| Charitable organizations | Fewer than 5 clients | $207K | 0.06% |
| Corporations and other businesses | Fewer than 5 clients | $11.9M | 3.7% |
People (5)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| James Paul Aull | Partner | Jan 1990 (37y) | 25% – 50% | |
| William Earl Monroe | Partner | Jan 1990 (37y) | 25% – 50% | |
| Jamie Lynn Thuss | Partner/Chief Compliance Officer/Vice President | CFP | Nov 1997 (29y) | 10% – 25% |
| Charles Darren Thuss | Registered representative | Feb 2012 (15y) | ||
| Jenny Lynn Thomas | Registered representative | Jun 2026 (0y) |
Undisclosed: 0% – 40% of the firm is not attributable from the filed Schedule A bands.
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/23/2026 | 984 KB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
- • Hourly charges
- • Fixed fees
Services
- • Portfolio management for individuals/small businesses
Custody
Reported custodians
- Charles Schwab & Co. $306M (95% of AUM) Mar 2026
- Raymond James $31.7M (11% of AUM) Mar 2021
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports having custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 23, 2026.
View current Form ADV (SEC/IAPD) ↗