Ames National Corporation (ATLO) Ownership
ATLO ownership summary
as of October 18, 2026- Institutions
- 42.0% of shares outstanding
- Insiders
- 1.26% of shares outstanding
- Shares outstanding
- 8.9M
- Float
- 8.7M shares available to trade
- Short interest
- 2.87% 248K shares short
- Days to cover
- 8.42 short interest down 20.6% vs prior month
- Institutions 42.00%
- Insiders 1.26%
- Other investors 56.74%
ATLO top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 7.71% | 683K | $22.0M | +73,992 (+12.1%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 4.38% | 388K | $12.5M | −12,608 (−3.2%) | June 30, 2026 |
| 3 | Dimensional Fund Advisors, Inc. | 3.38% | 299K | $9.6M | +26,260 (+9.6%) | June 30, 2026 |
| 4 | Curated Wealth Partners LLC | 2.71% | 240K | $7.7M | +240,000 (0.0%) | June 30, 2026 |
| 5 | Geode Capital Management, LLC | 2.52% | 223K | $7.2M | +20,933 (+10.3%) | June 30, 2026 |
| 6 | State Street Corp | 2.31% | 205K | $6.6M | +53,081 (+35.0%) | June 30, 2026 |
| 7 | American Century Companies Inc | 1.56% | 138K | $4.4M | +92,764 (+205.3%) | June 30, 2026 |
| 8 | Arrowstreet Capital Limited Partnership | 1.53% | 136K | $4.4M | +35,511 (+35.4%) | June 30, 2026 |
| 9 | Qube Research & Technologies | 0.96% | 85K | $2.7M | +85,233 (0.0%) | June 30, 2026 |
| 10 | Marshall Wace Asset Management Ltd | 0.94% | 84K | $2.7M | +26,632 (+46.7%) | June 30, 2026 |
| 11 | Elizabeth Park Capital Advisors, Ltd | 0.91% | 80K | $2.6M | — | June 30, 2026 |
| 12 | Northern Trust Corp | 0.84% | 74K | $2.4M | +4,621 (+6.6%) | June 30, 2026 |
| 13 | Renaissance Technologies Corp | 0.70% | 62K | $2.0M | +24,200 (+63.7%) | June 30, 2026 |
| 14 | Vanguard Portfolio Management, LLC | 0.68% | 61K | $1.9M | +9,132 (+17.7%) | June 30, 2026 |
| 15 | Vanguard Fiduciary Trust Co | 0.67% | 59K | $1.9M | +3,312 (+5.9%) | June 30, 2026 |
| 16 | LPL Financial Corp | 0.66% | 59K | $1.9M | +1,369 (+2.4%) | June 30, 2026 |
| 17 | AQR Capital Management LLC | 0.63% | 56K | $1.8M | +24,033 (+74.7%) | June 30, 2026 |
| 18 | Morgan Stanley - Brokerage Accounts | 0.60% | 53K | $1.7M | +6,545 (+14.0%) | June 30, 2026 |
| 19 | Ames National Corp | 0.53% | 47K | $1.5M | — | June 30, 2026 |
| 20 | O'Shaughnessy Asset Management LLC | 0.49% | 43K | $1.4M | +9,540 (+28.3%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 737K shares and 1 cut 13K.
ATLO top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.17% | 280K | $9.0M | — | August 31, 2026 |
| 2 | iShares Russell 2000 ETF | 2.82% | 250K | $8.0M | −2,880 (−1.1%) | September 30, 2026 |
| 3 | Avantis US Small Cap Value ETF | 2.08% | 184K | $5.9M | +600 (+0.3%) | September 30, 2026 |
| 4 | Fidelity Small Cap Index | 1.11% | 98K | $3.2M | +2,161 (+2.3%) | July 31, 2026 |
| 5 | iShares Russell 2000 Value ETF | 0.96% | 85K | $2.7M | +128 (+0.2%) | September 30, 2026 |
| 6 | DFA US Targeted Value I | 0.61% | 54K | $1.7M | — | August 31, 2026 |
| 7 | Vanguard Russell 2000 ETF | 0.59% | 52K | $1.7M | +833 (+1.6%) | September 30, 2026 |
| 8 | Fidelity Extended Market Index | 0.49% | 43K | $1.4M | −1,036 (−2.4%) | August 31, 2026 |
| 9 | Dimensional US Targeted Value ETF | 0.48% | 42K | $1.4M | +21 (+0.0%) | September 30, 2026 |
| 10 | DFA US Small Cap I | 0.44% | 39K | $1.2M | — | August 31, 2026 |
| 11 | First Trust Dow Jones Sel MicroCap ETF | 0.43% | 38K | $1.2M | — | September 30, 2026 |
| 12 | DFA US Micro Cap I | 0.35% | 31K | $986,783 | +601 (+2.0%) | August 31, 2026 |
| 13 | Dimensional US Small Cap ETF | 0.33% | 29K | $947,503 | — | September 30, 2026 |
| 14 | iShares Micro-Cap ETF | 0.32% | 29K | $925,563 | −198 (−0.7%) | September 30, 2026 |
| 15 | First Trust Active Factor Small Cap ETF | 0.32% | 28K | $908,449 | — | September 30, 2026 |
| 16 | Schwab Small Cap Index | 0.25% | 22K | $704,909 | — | August 31, 2026 |
| 17 | U.S. Equity Small Cap Corporate Cl OF | 0.23% | 21K | $665,533 | — | December 31, 2025 |
| 18 | Hotchkis & Wiley Sm Cp Divers Val I | 0.23% | 21K | $662,702 | +20,600 (0.0%) | August 31, 2026 |
| 19 | Principal SmallCap Value II Instl | 0.22% | 19K | $623,229 | +6,405 (+49.4%) | September 30, 2026 |
| 20 | iShares Russell 2000 Small-Cap Idx Instl | 0.21% | 18K | $585,623 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ATLO insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-27 | Michelle R Cassabaum | Buy | $27.25 | 205 | $5,586 |
| 2026-01-30 | Michelle R Cassabaum | Buy | $26.11 | 280 | $7,311 |
| 2025-12-02 | Scott T Bauer | Buy | $21.68 | 20 | $434 |
| 2025-11-17 | Jeffrey K Putzier | Buy | $21.25 | 200 | $4,250 |
| 2025-11-13 | Douglas W Beals | Buy | $21.37 | 500 | $10,685 |
| 2025-10-31 | Michelle R Cassabaum | Buy | $20.82 | 44 | $916 |
| 2025-10-24 | Patrick G Hagan | Buy | $20.85 | 300 | $6,255 |
| 2025-08-29 | Michelle R Cassabaum | Buy | $19.83 | 278 | $5,513 |
| 2025-07-31 | Michelle R Cassabaum | Buy | $18.29 | 164 | $3,000 |
| 2025-06-20 | Jeffery C Baker | Buy | $17.18 | 500 | $8,590 |
| 2025-06-02 | Horras Betty A Baudler | Buy | $17.50 | 100 | $1,750 |
| 2025-05-30 | Michelle R Cassabaum | Buy | $17.54 | 314 | $5,508 |
| 2025-05-28 | Horras Betty A Baudler | Buy | $17.52 | 100 | $1,752 |
| 2025-05-23 | Douglas W Beals | Buy | $17.29 | 400 | $6,916 |
| 2025-05-22 | Patrick G Hagan | Buy | $17.65 | 200 | $3,530 |
| 2025-05-21 | Adam Snodgrass | Buy | $17.80 | 200 | $3,560 |
| 2025-05-21 | Richard Schreier | Buy | $17.90 | 279 | $4,994 |
| 2025-05-02 | Douglas W Beals | Buy | $17.59 | 275 | $4,837 |
| 2025-04-30 | Michelle R Cassabaum | Buy | $17.05 | 122 | $2,080 |
| 2025-04-28 | Patrick G Hagan | Buy | $16.65 | 500 | $8,325 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
ATLO shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ATLO
Institutional investors own 42.0% of Ames National's shares and insiders 1.26%. The largest holder is BlackRock Inc with 7.71% of the shares (683K), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 1 reduced their stake in the latest filings. Short interest is 2.87% of the float, or 8.42 days of average trading volume. The share count fell 3.3% since 2014.
Related: ATLO analyst forecast, ATLO key metrics, ATLO dividend history. See the ATLO stock overview for the latest quote and news.
ATLO ownership FAQ
Who owns the most Ames National stock?
The largest shareholders of Ames National are BlackRock Inc (7.71%), Vanguard Capital Management, LLC (4.38%), Dimensional Fund Advisors, Inc. (3.38%), Curated Wealth Partners LLC (2.71%), Geode Capital Management, LLC (2.52%).
What percentage of Ames National is owned by institutions?
Institutions hold 42.0% of Ames National's shares outstanding; insiders hold 1.26%.
Which funds own Ames National?
The largest fund holders of Ames National are Vanguard MStar Total Stk Mkt Idx Invest (3.17%), iShares Russell 2000 ETF (2.82%), Avantis US Small Cap Value ETF (2.08%), Fidelity Small Cap Index (1.11%), iShares Russell 2000 Value ETF (0.96%).
What is Ames National's short interest?
248K shares of Ames National were sold short, 2.87% of the float; at the average daily volume it would take 8.42 days to cover.
Are insiders buying or selling Ames National?
Of the latest 20 reported insider transactions in Ames National (since April 28, 2025), 20 were purchases and 0 were sales.
How many shares of Ames National are outstanding?
Ames National has 8.9M shares outstanding, of which 8.7M are in the public float.