AMES NATL CORP ATLO
COM · Common Stock · CUSIP 031001100
- SectorFinancials
- IndustryNational Commercial Banks
- HeadquartersAmes, IA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($395.4k this quarter). Holder counts are more reliable. Shares outstanding: 8.9m as of 2026-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $29.61. Options: 1 managers hold calls ($222.1k notional), 0 hold puts (—).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 40 |
| Q4 2022 | 40 |
| Q1 2023 | 45 |
| Q2 2023 | 55 |
| Q3 2023 | 56 |
| Q4 2023 | 55 |
| Q1 2024 | 56 |
| Q2 2024 | 59 |
| Q3 2024 | 59 |
| Q4 2024 | 65 |
| Q1 2025 | 70 |
| Q2 2025 | 71 |
| Q3 2025 | 77 |
| Q4 2025 | 81 |
| Q1 2026 | 89 |
| Q2 2026 | 100 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 22 | 24 |
| Q4 2024 | 30 | 21 |
| Q1 2025 | 27 | 22 |
| Q2 2025 | 34 | 24 |
| Q3 2025 | 41 | 18 |
| Q4 2025 | 43 | 24 |
| Q1 2026 | 40 | 31 |
| Q2 2026 | 69 | 18 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $2.2m | $0 | 0.00 |
| Q4 2025 | $2.1m | $0 | 0.00 |
| Q1 2026 | $855.1k | $0 | 0.00 |
| Q2 2026 | $222.1k | $0 | 0.00 |
Biggest buyers
| AMERICAN CENTURY COMPANIES INC | Added | +92.8k |
| Qube Research & Technologies Ltd | New | +85.2k |
| BlackRock, Inc. | Added | +74.0k |
| STATE STREET CORP | Added | +53.1k |
| CITADEL ADVISORS LLC | New | +38.9k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Added | +35.5k |
| ACADIAN ASSET MANAGEMENT LLC | Added | +35.5k |
| Trexquant Investment LP | Added | +29.5k |
| MARSHALL WACE, LLP | Added | +26.6k |
| DIMENSIONAL FUND ADVISORS LP | Added | +26.3k |
Biggest sellers
| Fourthstone LLC | Reduced | -666.5k |
| SEGALL BRYANT & HAMILL, LLC | Sold out | -39.5k |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | -12.6k |
| Clarity Asset Management, Inc. | Sold out | -5.1k |
| Vanguard Global Advisers, LLC | Reduced | -3.3k |
| GOLDMAN SACHS GROUP INC | Reduced | -1.9k |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | -865 |
| BARCLAYS PLC | Reduced | -383 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | Reduced | -357 |
| OSAIC HOLDINGS, INC. | Reduced | -200 |
Biggest calls
| JANE STREET GROUP, LLC | Reduced | $222.1k7.5k shares |
Biggest puts
| None |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.2% |
Fell to 5% or below in the last year: Fourthstone LLC (0.2%, 2026-08-14), VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 8 | $101.7k | 0 | — | — |
| Q1 2025 | 1 | $6.6k | 0 | — | — |
| Q2 2025 | 7 | $48.8k | 0 | — | — |
| Q3 2025 | 2 | $13.6k | 0 | — | — |
| Q4 2025 | 5 | $26.6k | 0 | — | — |
| Q1 2026 | 1 | $12.9k | 0 | — | — |
| Q2 2026 | 2 | $15.6k | 0 | — | — |
| Q3 2026 | 3 | $29.6k | 0 | — | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-09-09 | Baker Jeffery C Director | Bought | $9.6k300 shares |
| 2026-08-31 | Cassabaum Michelle R Director | Bought | $5.7k180 shares |
| 2026-08-20 | Beals Douglas W Director | Bought | $10.1k325 shares |
| 2026-08-14 | Schreier Richard President of subsidiary bank | Bought | $10.0k316 shares |
| 2026-07-31 | Cassabaum Michelle R Director | Bought | $4.2k140 shares |
| 2026-05-29 | Cassabaum Michelle R Director | Bought | $4.9k170 shares |
| 2026-05-15 | Hagan Patrick G Director | Bought | $5.5k200 shares |
| 2026-05-12 | Hagan Patrick G Director | Bought | $2.8k100 shares |
| 2026-04-30 | Cassabaum Michelle R Director | Bought | $2.4k84 shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.00% of their portfolio | 683.2k $20.2m | Added +74.0k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 387.6k $11.5m | Reduced -12.6k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 299.3k $8.9m | Added +26.3k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 223.4k $6.6m | Added +20.9k |
| STATE STREET CORP 0.00% of their portfolio | 204.9k $6.1m | Added +53.1k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 138.0k $4.1m | Added +92.8k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio | 135.9k $4.0m | Added +35.5k |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 85.2k $2.5m | New |
| MARSHALL WACE, LLP 0.00% of their portfolio | 83.6k $2.5m | Added +26.6k |
| Elizabeth Park Capital Advisors, Ltd. 1.65% of their portfolio | 80.5k $2.4m | Unchanged |
| NORTHERN TRUST CORP 0.00% of their portfolio | 74.4k $2.2m | Added +4.6k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 62.2k $1.8m | Added +24.2k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 60.6k $1.8m | Added +9.1k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 59.2k $1.8m | Added +3.3k |
| LPL Financial LLC 0.00% of their portfolio | 58.5k $1.7m | Added +1.4k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 56.2k $1.7m | Added +24.0k |
| MORGAN STANLEY 0.00% of their portfolio | 53.5k $1.6m | Added +6.5k |
| AMES NATIONAL CORP 0.73% of their portfolio | 46.6k $1.3m | Unchanged |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.01% of their portfolio | 43.2k $1.3m | Added +9.5k |
| Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio | 43.1k $1.3m | Added +16.1k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 42.4k $1.3m | Reduced -1.9k |
| Trexquant Investment LP 0.01% of their portfolio | 41.4k $1.2m | Added +29.5k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 38.9k $1.2m | New |
| ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio | 37.0k $1.1m | Added +35.5k |
| RITHOLTZ WEALTH MANAGEMENT 0.01% of their portfolio | 32.9k $974.1k | Added +1.8k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 32.7k $969.4k | Added +3.1k |
| CHANNEL WEALTH LLC 0.21% of their portfolio | 31.3k $926.3k | Unchanged |
| Bank of New York Mellon Corp 0.00% of their portfolio | 30.7k $908.1k | Added +3.1k |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio | 30.6k $907.2k | Unchanged |
| RBF Capital, LLC 0.04% of their portfolio | 30.0k $888.3k | Unchanged |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 26.4k $781.5k | Added +2.8k |
| Arkadios Wealth Advisors 0.01% of their portfolio | 22.1k $653.7k | Added +15 |
| NewEdge Advisors, LLC 0.00% of their portfolio | 20.0k $593.2k | Added +6 |
| IFG Advisory, LLC 0.02% of their portfolio | 18.8k $555.5k | New |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 18.1k $536.3k | Added +750 |
| Fourthstone LLC 0.39% of their portfolio | 16.8k $542.8k | Reduced -666.5k |
| Quadrature Capital Ltd 0.00% of their portfolio | 16.7k $493.6k | New |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 15.6k $462.9k | New |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 14.9k $441.9k | New |
| Nuveen, LLC 0.00% of their portfolio | 14.8k $436.8k | Unchanged |
| OCCUDO QUANTITATIVE STRATEGIES LP 0.02% of their portfolio | 14.6k $431.1k | Added +5.3k |
| Compound Planning, Inc. 0.01% of their portfolio | 13.3k $394.0k | Added +1 |
| XTX Topco Ltd 0.01% of their portfolio | 13.3k $393.9k | Added +5.8k |
| Empowered Funds, LLC 0.00% of their portfolio | 12.1k $358.4k | Added +750 |
| Hillsdale Investment Management Inc. 0.01% of their portfolio | 11.7k $346.4k | New |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 10.8k $318.8k | New |
| Invesco Ltd. 0.00% of their portfolio | 10.0k $296.5k | New |
| Foster Group, Inc. 0.01% of their portfolio | 9.9k $294.0k | Added +78 |
| MARTINGALE ASSET MANAGEMENT L P 0.01% of their portfolio | 9.6k $284.6k | New |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 9.4k $279.4k | Added +855 |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 8.8k $259.1k | Added +2.4k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 8.5k $251.7k | Added +1.9k |
| Larry Mathis Financial Planning, LLC 0.19% of their portfolio | 8.4k $250.0k | Unchanged |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 7.5k $223.3k | Added +4.2k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 6.8k $202.1k | Added +4.3k |
| UBS Group AG 0.00% of their portfolio | 5.8k $172.1k | Added +1.6k |
| JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio | 5.5k $169.1k | Added +1.9k |
| MetLife Investment Management, LLC 0.00% of their portfolio | 5.0k $148.8k | Unchanged |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 4.5k $132.4k | Unchanged |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 4.1k $122.3k | Reduced -99 |
| CITIGROUP INC 0.00% of their portfolio | 4.1k $122.2k | Added +3.7k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 3.8k $113.3k | Added +175 |
| Smartleaf Asset Management LLC 0.00% of their portfolio | 3.3k $99.4k | Unchanged |
| Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio | 3.2k $95.6k | Added +1.5k |
| Vanguard Global Advisers, LLC 0.00% of their portfolio | 2.6k $77.7k | Reduced -3.3k |
| FMR LLC 0.00% of their portfolio | 1.2k $35.1k | Added +9 |
| BARCLAYS PLC 0.00% of their portfolio | 1.2k $34.6k | Reduced -383 |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 1.0k $29.7k | Reduced -865 |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 955 $28.3k | Added +41 |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 904 $26.0k | New |
| West Financial Advisors, LLC 0.00% of their portfolio | 804 $23.8k | Unchanged |
| Legal & General Group Plc 0.00% of their portfolio | 795 $23.5k | Unchanged |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 714 $21.1k | Added +69 |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 711 $21.1k | Unchanged |
| Arax Advisory Partners 0.00% of their portfolio | 653 $19.3k | Added +644 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 609 $18.0k | Unchanged |
| GAMMA Investing LLC 0.00% of their portfolio | 338 $10.0k | Added +74 |
| City State Bank 0.00% of their portfolio | 240 $7.1k | Unchanged |
| Integrated Wealth Concepts LLC 0.00% of their portfolio | 235 $7.0k | New |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 204 $6.0k | Reduced -200 |
| Sterling Capital Management LLC 0.00% of their portfolio | 181 $5.4k | Reduced -113 |
| Allworth Financial LP 0.00% of their portfolio | 133 $3.9k | Added +80 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 124 $3.7k | Reduced -357 |
| EverSource Wealth Advisors, LLC 0.00% of their portfolio | 102 $3.0k | Added +13 |
| Optiver Holding B.V. 0.00% of their portfolio | 94 $2.8k | Reduced -8 |
| Global Retirement Partners, LLC 0.00% of their portfolio | 62 $1.8k | First filing |
| MassMutual Private Wealth & Trust, FSB 0.00% of their portfolio | 49 $1.5k | Added +8 |
| Essential Partners LLC 0.00% of their portfolio | 49 $1.5k | Reduced -80 |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 44 $1.3k | Added +1 |
| IFP Advisors, Inc 0.00% of their portfolio | 44 $1.3k | Added +12 |
| True Wealth Design, LLC 0.00% of their portfolio | 39 $1.2k | Reduced -2 |
| ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio | 35 $1.0k | Added +19 |
| Farther Finance Advisors, LLC 0.00% of their portfolio | 18 $535 | Reduced -132 |
| Physician Wealth Advisors, Inc. 0.00% of their portfolio | 17 $504 | New |
| Basecamp Wealth Advisors LLC 0.00% of their portfolio | 16 $474 | Added +8 |
| Fortitude Family Office, LLC 0.00% of their portfolio | 15 $444 | New |
| Covestor Ltd 0.00% of their portfolio | 6 $0 | Unchanged |
| SJS Investment Consulting Inc. 0.00% of their portfolio | 4 $119 | Added +1 |
| Clearstead Advisors, LLC 0.00% of their portfolio | 2 $60 | New |
| Keating Financial Advisory Services, Inc. 0.00% of their portfolio | 1 $30 | New |