Platform Features
Platform Features
Features
Investment Products
Private Wealth Management
Trading Tools
Market Data Services
Analysis Tools
News Services
For Developers
Account Types
For Individuals
For Institutions
Café
More
Log in / Sign up
© 2026 Longbridge｜
Terms of Service
Privacy Policy
Disclaimer
ATN
ATNI
24.640
3.49% ( +0.830 )
Closed: Aug 3, 16:00:00 (EDT)
Start trading
Overview
Overview
Options
Options
News
News
Posts
Posts
Financials
Financials
Forecast
Forecast
Valuation
Valuation
Shareholders
Shareholders
Profile
Profile
All Shareholders
Institutional Holders
Insiders
All Shareholders
Shareholder Type
Institutions
64.83%
Individuals & Insiders
33.74%
Public and others
1.43%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
Cornelius Prior
Former Chairman
27.42%
4.08M
0.67%
-100.26K
06/29/2026
Global Alpha Capital Management Ltd.
9.78%
1.46M
0.08%
+0
03/31/2026
BlackRock, Inc.
6.06%
902.19K
0.32%
-39.54K
03/31/2026
Dimensional Fund Advisors LP
5.02%
748.31K
0.26%
-31.74K
03/31/2026
Michael T. Prior
Executive Chairman
4.61%
685.94K
0.00%
+0
04/20/2026
Brown Brothers Harriman & Co.
4.45%
662.54K
0.04%
+0
03/31/2026
American Century Investment Management Inc
3.19%
474.94K
0.41%
+63.79K
03/31/2026
Vanguard Capital Management, LLC
2.84%
422.30K
--
+422.30K
03/31/2026
D. E. Shaw & Co., L.P.
2.51%
373.57K
0.28%
-38.92K
03/31/2026
Prior Family Foundation
2.44%
363.42K
0.02%
-3.00K
06/29/2026
Acadian Asset Management LLC
2.44%
363.20K
0.65%
+98.57K
03/31/2026
Renaissance Technologies LLC
2.27%
337.74K
0.06%
-6.32K
03/31/2026
Geode Capital Management, LLC
1.69%
252.02K
0.02%
+4.60K
03/31/2026
Bridgeway Capital Management, LLC
1.62%
241.40K
0.19%
+29.86K
03/31/2026
State Street Global Advisors, Inc.
1.53%
227.53K
0.02%
-1.32K
03/31/2026
GAMCO Investors, Inc.
1.07%
158.99K
0.35%
-49.97K
03/31/2026
Eaton Vance Management
0.96%
143.62K
0.00%
+0
06/30/2026
Arrowstreet Capital, Limited Partnership
0.93%
139.05K
0.28%
+42.91K
03/31/2026
Ballast Asset Management LP
0.92%
137.59K
0.10%
+15.19K
03/31/2026
Morgan Stanley
0.92%
137.24K
0.30%
+45.90K
03/31/2026
