DOSSIER · 13F Holders · Q2 2026
ATLO

AMES NATL CORP

104 institutions still hold AMES NATL CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 031001100·104 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$103M
visible holders
Holders
104
filers reporting
Concentration
19.60%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

104 institutions reported ATLO in Q2 2026. BlackRock, Inc. leads at 19.6% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$20M683K0.00%Q2 2026
02
Fourthstone LLC
CIK 0001767803
$19M683K3.27%Q1 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$11M388K0.00%Q2 2026
04
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$9M299K0.00%Q2 2026
05
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$7M223K0.00%Q2 2026
06
STATE STREET CORP
CIK 0000093751
$6M205K0.00%Q2 2026
07
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$4M138K0.00%Q2 2026
08
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$4M136K0.00%Q2 2026
09
Qube Research & Technologies Ltd
CIK 0001729829
$3M85K0.00%Q2 2026
10
MARSHALL WACE, LLP
CIK 0001318757
$2M84K0.00%Q2 2026
11
Elizabeth Park Capital Advisors, Ltd.
CIK 0001600583
$2M80K1.65%Q2 2026
12
NORTHERN TRUST CORP
CIK 0000073124· Index
$2M74K0.00%Q2 2026
13
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$2M62K0.00%Q2 2026
14
Vanguard Portfolio Management
CIK 0002100121· Index
$2M61K0.00%Q2 2026
15
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$2M59K0.00%Q2 2026
16
LPL Financial LLC
CIK 0001403438
$2M59K0.00%Q2 2026
17
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$2M56K0.00%Q2 2026
18
MORGAN STANLEY
CIK 0000895421
$2M53K0.00%Q2 2026
19
AMES NATIONAL CORP
CIK 0001132651
$1M47K0.73%Q2 2026
20
O'SHAUGHNESSY ASSET MANAGEMENT, LLC
CIK 0001423442
$1M43K0.01%Q2 2026
Page 1 of 6
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Insiders at AMES NATL CORP
Beals Douglas WSchreier RichardCassabaum Michelle RHagan Patrick GTrost Scot A.Bauer Scott TSwartz Kevin LPutzier Jeffrey K