Ames National ATLO Institutional Ownership

NASDAQ ATLO

$34.04 +1.38 (+4.23%)

At close: Oct 22, 2026 · 4:00 PM EDT

Institutions by Trading Activity

99 Institutions

Increased 68 68.7%

Unchanged 16 16.2%

Reduced 15 15.2%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

40.78%

▲+0.37 pp QoQ

Shares Held by Institutions

3.61Mn

of 8.86Mn outstanding

▲+0.90% QoQ

Shares Outstanding

8.86Mn

5.24Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+10 vs prior quarter

Net Shares Added (QoQ)

+32.35K

accumulated since last quarter

Value of Holdings

$117.98Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Ames National Corp (NASDAQ:ATLO) was held by 99 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

These investors held 40.78% of Ames National's outstanding shares at the end of Q2 2026, up from 40.42% in Q1 2026.
Total shares held in Ames National rose 0.90% from Q1 2026, while the number of holders rose 47.76% from Q2 2025.
Of the 99 holders, 68 added to their positions, 15 reduced their stakes and 16 left their positions unchanged in Q2 2026.
Altogether, institutional holders owned 3.61Mn ATLO shares at the end of Q2 2026, up 32.35K from the prior quarter and up 950.83K from a year earlier.
BlackRock, Inc. led 13F holders of ATLO with 683.15K shares as of June 30, 2026, or 7.71% of shares outstanding.
Among existing holders, the largest additions to Ames National in Q2 2026 came from American Century Companies Inc (+92.76K shares), BlackRock, Inc. (+73.99K shares), State Street Corp (+53.08K shares), Arrowstreet Capital, Limited Partnership (+35.51K shares) and Acadian Asset Management LLC (+35.48K shares).
Holders that trimmed the most shares of Ames National in Q2 2026 while keeping a position were Fourthstone LLC (-666.48K shares), Vanguard Capital Management LLC (-12.61K shares), Vanguard Global Advisers, LLC (-3.26K shares), Goldman Sachs Group Inc (-1.95K shares) and BNP Paribas Financial Markets (-865 shares).
According to Business Quant data, the leading holders of ATLO for Q2 2026 were BlackRock, Inc. (683.15K shares), Vanguard Capital Management LLC (387.61K shares), Dimensional Fund Advisors LP (299.3K shares), Geode Capital Management, LLC (223.41K shares), State Street Corp (204.85K shares), American Century Companies Inc (137.96K shares), Arrowstreet Capital, Limited Partnership (135.9K shares), Qube Research & Technologies Ltd (85.23K shares), Marshall Wace, LLP (83.62K shares) and Elizabeth Park Capital Advisors, Ltd. (80.48K shares).

Form 13F Holdings

99 Institutional Holders

Report period 30 Jun, 2026

Total shares held 3.61Mn

Of outstanding 40.78%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	683,151	7.71%	▲73,992	+12.15%	$20.23Mn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	387,611	4.38%	▼12,608	-3.15%	$11.48Mn
3	DIMENSIONAL FUND ADVISORS LP	0000354204	299,300	3.38%	▲26,260	+9.62%	$8.86Mn
4	GEODE CAPITAL MANAGEMENT, LLC	0001214717	223,415	2.52%	▲20,933	+10.34%	$6.62Mn
5	State Street Corp	0000093751	204,851	2.31%	▲53,081	+34.97%	$6.07Mn
6	AMERICAN CENTURY COMPANIES INC	0000748054	137,955	1.56%	▲92,764	+205.27%	$4.08Mn
7	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	135,903	1.53%	▲35,511	+35.37%	$4.02Mn
8	Qube Research & Technologies Ltd	0001729829	85,233	0.96%	▲85,233	0.00%	$2.52Mn
9	MARSHALL WACE, LLP	0001318757	83,618	0.94%	▲26,632	+46.73%	$2.48Mn
10	Elizabeth Park Capital Advisors, Ltd.	0001600583	80,480	0.91%	0	0.00%	$2.38Mn
11	Northern Trust Corp	0000073124	74,396	0.84%	▲4,621	+6.62%	$2.20Mn
12	RENAISSANCE TECHNOLOGIES LLC	0001037389	62,184	0.70%	▲24,200	+63.71%	$1.84Mn
13	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	60,601	0.68%	▲9,132	+17.74%	$1.79Mn
14	VANGUARD FIDUCIARY TRUST CO	0000933478	59,174	0.67%	▲3,312	+5.93%	$1.75Mn
15	LPL Financial LLC	0001403438	58,546	0.66%	▲1,369	+2.39%	$1.73Mn
16	AQR CAPITAL MANAGEMENT LLC	0001167557	56,205	0.63%	▲24,036	+74.72%	$1.66Mn
17	Morgan Stanley	0000895421	53,461	0.60%	▲6,545	+13.95%	$1.58Mn
18	Ames National Corp	0001132651	46,557	0.53%	0	0.00%	$1.33Mn
19	O'SHAUGHNESSY ASSET MANAGEMENT, LLC	0001423442	43,214	0.49%	▲9,540	+28.33%	$1.28Mn
20	Connor, Clark & Lunn Investment Management Ltd.	0001596800	43,074	0.49%	▲16,097	+59.67%	$1.28Mn

Showing 1 to 20 of 99 holders