Vault-13

AMES NATL CORP ATLO

COM · Common Stock · CUSIP 031001100

100 institutional holders +11 vs Q1 2026
3,606,0553.6m shares reported held*
40.7% of all shares outstanding*
$106.8mreported value*
16 new 53 added 14 reduced 4 sold out net bought ≈ $1.2m (+42.1k shares)

* 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

050100Q3 22: 40Q4 22: 40Q1 23: 45Q2 23: 55Q3 23: 56Q4 23: 55Q1 24: 56Q2 24: 59Q3 24: 59Q4 24: 65Q1 25: 70Q2 25: 71Q3 25: 77Q4 25: 81Q1 26: 89Q2 26: 100100Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202240
Q4 202240
Q1 202345
Q2 202355
Q3 202356
Q4 202355
Q1 202456
Q2 202459
Q3 202459
Q4 202465
Q1 202570
Q2 202571
Q3 202577
Q4 202581
Q1 202689
Q2 2026100

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 24: 22 bought or addedQ3 24: 24 cut or sold outQ4 24: 30 bought or addedQ4 24: 21 cut or sold outQ4 24Q1 25: 27 bought or addedQ1 25: 22 cut or sold outQ2 25: 34 bought or addedQ2 25: 24 cut or sold outQ2 25Q3 25: 41 bought or addedQ3 25: 18 cut or sold outQ4 25: 43 bought or addedQ4 25: 24 cut or sold outQ4 25Q1 26: 40 bought or addedQ1 26: 31 cut or sold outQ2 26: 69 bought or addedQ2 26: 18 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20242224
Q4 20243021
Q1 20252722
Q2 20253424
Q3 20254118
Q4 20254324
Q1 20264031
Q2 20266918

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$1m$2m$3mQ3 25 calls: $2.2mQ3 25 puts: $0Q3 25P/C 0.00Q4 25 calls: $2.1mQ4 25 puts: $0Q4 25P/C 0.00Q1 26 calls: $855.1kQ1 26 puts: $0Q1 26P/C 0.00Q2 26 calls: $222.1kQ2 26 puts: $0Q2 26P/C 0.00
Numbers
QuarterCallsPutsP/C
Q3 2025$2.2m$00.00
Q4 2025$2.1m$00.00
Q1 2026$855.1k$00.00
Q2 2026$222.1k$00.00

Biggest buyers

AMERICAN CENTURY COMPANIES INC Added +92,764+92.8k
Qube Research & Technologies Ltd New +85,233+85.2k
BlackRock, Inc. Added +73,992+74.0k
STATE STREET CORP Added +53,081+53.1k
CITADEL ADVISORS LLC New +38,924+38.9k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Added +35,511+35.5k
ACADIAN ASSET MANAGEMENT LLC Added +35,485+35.5k
Trexquant Investment LP Added +29,488+29.5k
MARSHALL WACE, LLP Added +26,632+26.6k
DIMENSIONAL FUND ADVISORS LP Added +26,260+26.3k

Biggest sellers

Fourthstone LLC Reduced -666,482-666.5k
SEGALL BRYANT & HAMILL, LLC Sold out -39,521-39.5k
VANGUARD CAPITAL MANAGEMENT LLC Reduced -12,608-12.6k
Clarity Asset Management, Inc. Sold out -5,124-5.1k
Vanguard Global Advisers, LLC Reduced -3,264-3.3k
GOLDMAN SACHS GROUP INC Reduced -1,950-1.9k
BNP PARIBAS FINANCIAL MARKETS Reduced -865-865
BARCLAYS PLC Reduced -383-383
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Reduced -357-357
OSAIC HOLDINGS, INC. Reduced -200-200

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.

HolderStakeChangeShares Last filed
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 5.2% new 458.5k≈ $13.6m 2026-04-29

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)

BuyingSelling
10010Q4 24: 8 buyingQ4 24: 0 sellingQ1 25: 1 buyingQ1 25: 0 sellingQ1 25Q2 25: 7 buyingQ2 25: 0 sellingQ3 25: 2 buyingQ3 25: 0 sellingQ3 25Q4 25: 5 buyingQ4 25: 0 sellingQ1 26: 1 buyingQ1 26: 0 sellingQ1 26Q2 26: 2 buyingQ2 26: 0 sellingQ3 26: 3 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20248$101.7k0——
Q1 20251$6.6k0——
Q2 20257$48.8k0——
Q3 20252$13.6k0——
Q4 20255$26.6k0——
Q1 20261$12.9k0——
Q2 20262$15.6k0——
Q3 20263$29.6k0——
DateInsiderTradeSharesPrice ValueTheir holding
2026-09-09 Baker Jeffery C Director Bought 300 $31.88 $9.6k300 shares +8%
2026-08-31 Cassabaum Michelle R Director Bought 180 $31.54 $5.7k180 shares +2%
2026-08-20 Beals Douglas W Director Bought 325 $31.16 $10.1k325 shares +11%
2026-08-14 Schreier Richard President of subsidiary bank Bought 316 $31.60 $10.0k316 shares +4%
2026-07-31 Cassabaum Michelle R Director Bought 140 $30.20 $4.2k140 shares +1%
2026-05-29 Cassabaum Michelle R Director Bought 170 $28.83 $4.9k170 shares +2%
2026-05-15 Hagan Patrick G Director Bought 200 $27.69 $5.5k200 shares +2%
2026-05-12 Hagan Patrick G Director Bought 100 $27.65 $2.8k100 shares +1%
2026-04-30 Cassabaum Michelle R Director Bought 84 $28.08 $2.4k84 shares +1%

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

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.00% of their portfolio New York, NY 683,151683.2k $20.2m $20.2m 0.00% Added +74.0k +73,992
2 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 387,611387.6k $11.5m $11.5m 0.00% Reduced -12.6k -12,608
3 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 299,300299.3k $8.9m $8.9m 0.00% Added +26.3k +26,260
4 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 223,415223.4k $6.6m $6.6m 0.00% Added +20.9k +20,933
5 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 204,851204.9k $6.1m $6.1m 0.00% Added +53.1k +53,081
6 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 137,955138.0k $4.1m $4.1m 0.00% Added +92.8k +92,764
7 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 135,903135.9k $4.0m $4.0m 0.00% Added +35.5k +35,511
8 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 85,23385.2k $2.5m $2.5m 0.00% New
9 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 83,61883.6k $2.5m $2.5m 0.00% Added +26.6k +26,632
10 Elizabeth Park Capital Advisors, Ltd. 1.65% of their portfolio PEPPER PIKE, OH 80,48080.5k $2.4m $2.4m 1.65% Unchanged
11 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 74,39674.4k $2.2m $2.2m 0.00% Added +4.6k +4,621
12 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 62,18462.2k $1.8m $1.8m 0.00% Added +24.2k +24,200
13 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 60,60160.6k $1.8m $1.8m 0.00% Added +9.1k +9,132
14 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 59,17459.2k $1.8m $1.8m 0.00% Added +3.3k +3,312
15 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 58,54658.5k $1.7m $1.7m 0.00% Added +1.4k +1,369
16 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 56,20556.2k $1.7m $1.7m 0.00% Added +24.0k +24,033
17 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 53,46153.5k $1.6m $1.6m 0.00% Added +6.5k +6,545
18 AMES NATIONAL CORP 0.73% of their portfolio AMES, IA 46,55746.6k $1.3m $1.3m 0.73% Unchanged
19 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.01% of their portfolio Stamford, CT 43,21443.2k $1.3m $1.3m 0.01% Added +9.5k +9,540
20 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 43,07443.1k $1.3m $1.3m 0.00% Added +16.1k +16,097
21 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 42,39242.4k $1.3m $1.3m 0.00% Reduced -1.9k -1,950
22 Trexquant Investment LP 0.01% of their portfolio STAMFORD, CT 41,41641.4k $1.2m $1.2m 0.01% Added +29.5k +29,488
23 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 38,92438.9k $1.2m $1.2m 0.00% New
24 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 36,99337.0k $1.1m $1.1m 0.00% Added +35.5k +35,485
25 RITHOLTZ WEALTH MANAGEMENT 0.01% of their portfolio NEW YORK, NY 32,89732.9k $974.1k $974.1k 0.01% Added +1.8k +1,761
26 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 32,74032.7k $969.4k $969.4k 0.00% Added +3.1k +3,057
27 CHANNEL WEALTH LLC 0.21% of their portfolio SANTA BARBARA, CA 31,28431.3k $926.3k $926.3k 0.21% Unchanged
28 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 30,66830.7k $908.1k $908.1k 0.00% Added +3.1k +3,136
29 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio MILWAUKEE, WI 30,64030.6k $907.2k $907.2k 0.00% Unchanged
30 RBF Capital, LLC 0.04% of their portfolio RENO, NV 30,00030.0k $888.3k $888.3k 0.04% Unchanged
31 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 26,39326.4k $781.5k $781.5k 0.00% Added +2.8k +2,825
32 Arkadios Wealth Advisors 0.01% of their portfolio ATLANTA, GA 22,07722.1k $653.7k $653.7k 0.01% Added +15 +15
33 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 20,03420.0k $593.2k $593.2k 0.00% Added +6 +6
34 IFG Advisory, LLC 0.02% of their portfolio ATLANTA, GA 18,76018.8k $555.5k $555.5k 0.02% New
35 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 18,11118.1k $536.3k $536.3k 0.01% Added +750 +750
36 Fourthstone LLC 0.39% of their portfolio ST LOUIS, MO 16,76816.8k $542.8k $542.8k 0.39% Reduced -666.5k -666,482
37 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 16,67116.7k $493.6k $493.6k 0.00% New
38 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 15,63215.6k $462.9k $462.9k 0.00% New
39 LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio LOS ANGELES, CA 14,92514.9k $441.9k $441.9k 0.00% New
40 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 14,75114.8k $436.8k $436.8k 0.00% Unchanged
41 OCCUDO QUANTITATIVE STRATEGIES LP 0.02% of their portfolio FORT LAUDERDALE, FL 14,55814.6k $431.1k $431.1k 0.02% Added +5.3k +5,291
42 Compound Planning, Inc. 0.01% of their portfolio NEW YORK, NY 13,30813.3k $394.0k $394.0k 0.01% Added +1 +1
43 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 13,30213.3k $393.9k $393.9k 0.01% Added +5.8k +5,838
44 Empowered Funds, LLC 0.00% of their portfolio NEWTOWN SQUARE, PA 12,10312.1k $358.4k $358.4k 0.00% Added +750 +750
45 Hillsdale Investment Management Inc. 0.01% of their portfolio Toronto, A6 11,70011.7k $346.4k $346.4k 0.01% New
46 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 10,76710.8k $318.8k $318.8k 0.00% New
47 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 10,01310.0k $296.5k $296.5k 0.00% New
48 Foster Group, Inc. 0.01% of their portfolio WEST DES MOINES, IA 9,9319.9k $294.0k $294.0k 0.01% Added +78 +78
49 MARTINGALE ASSET MANAGEMENT L P 0.01% of their portfolio BOSTON, MA 9,6129.6k $284.6k $284.6k 0.01% New
50 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 9,4359.4k $279.4k $279.4k 0.00% Added +855 +855
51 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 8,7518.8k $259.1k $259.1k 0.00% Added +2.4k +2,403
52 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 8,5008.5k $251.7k $251.7k 0.00% Added +1.9k +1,889
53 Larry Mathis Financial Planning, LLC 0.19% of their portfolio PHOENIX, AZ 8,4438.4k $250.0k $250.0k 0.19% Unchanged
54 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 7,5407.5k $223.3k $223.3k 0.00% Added +4.2k +4,175
55 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 6,8256.8k $202.1k $202.1k 0.00% Added +4.3k +4,297
56 UBS Group AG 0.00% of their portfolio ZURICH, V8 5,8135.8k $172.1k $172.1k 0.00% Added +1.6k +1,597
57 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 5,5225.5k $169.1k $169.1k 0.00% Added +1.9k +1,882
58 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 5,0245.0k $148.8k $148.8k 0.00% Unchanged
59 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 4,4734.5k $132.4k $132.4k 0.00% Unchanged
60 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 4,1314.1k $122.3k $122.3k 0.00% Reduced -99 -99
61 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 4,1264.1k $122.2k $122.2k 0.00% Added +3.7k +3,713
62 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 3,7933.8k $113.3k $113.3k 0.00% Added +175 +175
63 Smartleaf Asset Management LLC 0.00% of their portfolio BOSTON, MA 3,3303.3k $99.4k $99.4k 0.00% Unchanged
64 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 3,2283.2k $95.6k $95.6k 0.00% Added +1.5k +1,461
65 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 2,6232.6k $77.7k $77.7k 0.00% Reduced -3.3k -3,264
66 FMR LLC 0.00% of their portfolio BOSTON, MA 1,1861.2k $35.1k $35.1k 0.00% Added +9 +9
67 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 1,1671.2k $34.6k $34.6k 0.00% Reduced -383 -383
68 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 1,0031.0k $29.7k $29.7k 0.00% Reduced -865 -865
69 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 955955 $28.3k $28.3k 0.00% Added +41 +41
70 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 904904 $26.0k $26.0k 0.00% New
71 West Financial Advisors, LLC 0.00% of their portfolio DES MOINES, IA 804804 $23.8k $23.8k 0.00% Unchanged
72 Legal & General Group Plc 0.00% of their portfolio London, X0 795795 $23.5k $23.5k 0.00% Unchanged
73 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 714714 $21.1k $21.1k 0.00% Added +69 +69
74 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 711711 $21.1k $21.1k 0.00% Unchanged
75 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 653653 $19.3k $19.3k 0.00% Added +644 +644
76 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 609609 $18.0k $18.0k 0.00% Unchanged
77 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 338338 $10.0k $10.0k 0.00% Added +74 +74
78 City State Bank 0.00% of their portfolio NORWALK, IA 240240 $7.1k $7.1k 0.00% Unchanged
79 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 235235 $7.0k $7.0k 0.00% New
80 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 204204 $6.0k $6.0k 0.00% Reduced -200 -200
81 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 181181 $5.4k $5.4k 0.00% Reduced -113 -113
82 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 133133 $3.9k $3.9k 0.00% Added +80 +80
83 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 124124 $3.7k $3.7k 0.00% Reduced -357 -357
84 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 102102 $3.0k $3.0k 0.00% Added +13 +13
85 Optiver Holding B.V. 0.00% of their portfolio AMSTERDAM, P7 9494 $2.8k $2.8k 0.00% Reduced -8 -8
86 Global Retirement Partners, LLC 0.00% of their portfolio San Rafael, CA 6262 $1.8k $1.8k 0.00% First filing
87 MassMutual Private Wealth & Trust, FSB 0.00% of their portfolio Windsor, CT 4949 $1.5k $1.5k 0.00% Added +8 +8
88 Essential Partners LLC 0.00% of their portfolio RANCHO SANTA FE, CA 4949 $1.5k $1.5k 0.00% Reduced -80 -80
89 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 4444 $1.3k $1.3k 0.00% Added +1 +1
90 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 4444 $1.3k $1.3k 0.00% Added +12 +12
91 True Wealth Design, LLC 0.00% of their portfolio AKRON, OH 3939 $1.2k $1.2k 0.00% Reduced -2 -2
92 ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio CHICAGO, IL 3535 $1.0k $1.0k 0.00% Added +19 +19
93 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 1818 $535 $535 0.00% Reduced -132 -132
94 Physician Wealth Advisors, Inc. 0.00% of their portfolio MIDVALE, UT 1717 $504 $504 0.00% New
95 Basecamp Wealth Advisors LLC 0.00% of their portfolio BELLEVUE, WA 1616 $474 $474 0.00% Added +8 +8
96 Fortitude Family Office, LLC 0.00% of their portfolio SCOTTSDALE, AZ 1515 $444 $444 0.00% New
97 Covestor Ltd 0.00% of their portfolio LONDON, X0 66 $0 $0 0.00% Unchanged
98 SJS Investment Consulting Inc. 0.00% of their portfolio SYLVANIA, OH 44 $119 $119 0.00% Added +1 +1
99 Clearstead Advisors, LLC 0.00% of their portfolio CLEVELAND, OH 22 $60 $60 0.00% New
100 Keating Financial Advisory Services, Inc. 0.00% of their portfolio MANHATTAN, KS 11 $30 $30 0.00% New