ATN International, Inc. - Common Stock (ATNI)

CUSIP: 00215F107

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class
Equity / Common Stock
Shares outstanding
15,271,673
Total 13F shares
9,114,152
Share change
+321,079
Total reported value
$248,005,388
Price per share
$27.22
Number of holders
118
Value change
+$9,165,873
Number of buys
59
Number of sells
46

Quarterly Holders Quick Answers

What is CUSIP 00215F107?
CUSIP 00215F107 identifies ATNI - ATN International, Inc. - Common Stock in SEC institutional holdings data.

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Top shareholders of ATNI - ATN International, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
Global Alpha Capital Management Ltd.
13F 13D/G
Company
10%
from 13D/G
1,456,998
$33,219,554 31 Dec 2025
BlackRock, Inc.
13F 13D/G
Company
4.9%
from 13D/G
941,727
$21,471,374 31 Dec 2025
DIMENSIONAL FUND ADVISORS LP
13D/G 13F
Company
4.9%
748,312
$20,369,876 -$2,687,703 31 Mar 2026
Michael T. Prior
3/4/5
Director, EXECUTIVE CHAIRMAN
mixed-class rows
761,949
mixed-class rows
$17,952,176 25 Mar 2026
BROWN BROTHERS HARRIMAN & CO
13F
Company
4.3%
662,544
$15,106,003 31 Dec 2025
13F
VANGUARD GROUP INC
13F
Company
3.8%
583,029
$13,293,062 31 Dec 2025
13F
D. E. Shaw & Co., Inc.
13F
Company
2.7%
412,488
$9,404,726 31 Dec 2025
13F
AMERICAN CENTURY COMPANIES INC
13F
Company
2.7%
411,159
$9,374,425 31 Dec 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
2.3%
344,059
$7,844,545 31 Dec 2025
13F
ACADIAN ASSET MANAGEMENT LLC
13F
Company
1.7%
264,631
$6,026,000 31 Dec 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.6%
247,414
$5,642,448 31 Dec 2025
13F
STATE STREET CORP
13F
Company
1.5%
228,850
$5,279,996 31 Dec 2025
13F
Brad W. Martin
3/4/5
CHIEF EXECUTIVE OFFICER, Director
mixed-class rows
153,177
mixed-class rows
$3,763,831 25 Mar 2026
GABELLI FUNDS LLC
13F
Company
1%
157,525
$3,591,570 31 Dec 2025
13F
FMR LLC
13F
Company
1%
152,272
$3,471,802 31 Dec 2025
13F
MORGAN STANLEY
13F
Company
0.98%
149,721
$3,413,652 31 Dec 2025
13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
Company
0.83%
126,318
$2,880,050 31 Dec 2025
13F
Ballast Asset Management, LP
13F
Company
0.8%
122,408
$2,790,902 31 Dec 2025
13F
Bank of New York Mellon Corp
13F
Company
0.8%
121,502
$2,770,237 31 Dec 2025
13F
Trexquant Investment LP
13F
Company
0.64%
98,429
$2,244,181 31 Dec 2025
13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
Company
0.63%
96,134
$2,191,855 31 Dec 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.62%
94,086
$2,145,161 31 Dec 2025
13F
Justin D. Benincasa
3/4/5
FORMER CFO
class O/S missing
68,135
$2,058,358 25 Mar 2024
Empowered Funds, LLC
13F
Company
0.56%
85,218
$1,942,970 31 Dec 2025
13F
Carlos Doglioli
3/4/5
Chief Financial Officer
mixed-class rows
68,481
mixed-class rows
$1,934,500 17 Mar 2026
Mary Mabey
3/4/5
SVP AND GENERAL COUNSEL
mixed-class rows
78,026
mixed-class rows
$1,905,601 25 Mar 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.53%
81,361
$1,855,031 31 Dec 2025
13F
NORTHERN TRUST CORP
13F
Company
0.53%
81,263
$1,852,797 31 Dec 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
0.46%
70,334
$1,603,615 31 Dec 2025
13F
Empirical Finance, LLC
13F
Company
0.43%
66,075
$1,506,510 31 Dec 2025
13F
Justin M. Leon
3/4/5
SVP, CORPORATE DEVELOPMENT
mixed-class rows
60,527
mixed-class rows
$1,488,538 25 Mar 2026
JACOBS LEVY EQUITY MANAGEMENT, INC
13F
Company
0.38%
58,013
$1,322,696 31 Dec 2025
13F
Federation Des Caisses Desjardins du Quebec
13F
Individual
0.35%
52,886
$1,205,801 31 Dec 2025
13F
GAMCO INVESTORS, INC. ET AL
13F
Company
0.34%
51,430
$1,172,604 31 Dec 2025
13F
BARCLAYS PLC
13F
Company
0.31%
46,678
$1,064,259 31 Dec 2025
13F
SEI INVESTMENTS CO
13F
Company
0.26%
39,844
$908,443 31 Dec 2025
13F
Nuveen, LLC
13F
Company
0.25%
38,893
$886,761 31 Dec 2025
13F
Summit Trail Advisors, LLC
13F
Company
0.23%
34,892
$805,107 31 Dec 2025
13F
GSA CAPITAL PARTNERS LLP
13F
Company
0.2%
30,949
$706,000 31 Dec 2025
13F
Liane J. Pelletier
3/4/5
Director
class O/S missing
20,816
$647,586 07 Jun 2022
Connor, Clark & Lunn Investment Management Ltd.
13F
Company
0.18%
27,567
$628,528 31 Dec 2025
13F
JPMORGAN CHASE & CO
13F
Company
0.18%
27,270
$621,757 31 Dec 2025
13F
RAYMOND JAMES FINANCIAL INC
13F
Company
0.17%
25,694
$585,833 31 Dec 2025
13F
HSBC HOLDINGS PLC
13F
Company
0.16%
24,020
$547,176 31 Dec 2025
13F
Pamela F. Lenehan
3/4/5
Director
0.23%
34,798
$523,142 17 Jun 2025
AMERIPRISE FINANCIAL INC
13F
Company
0.15%
22,144
$505,014 31 Dec 2025
13F
NewEdge Advisors, LLC
13F
Company
0.14%
22,044
$502,596 31 Dec 2025
13F
Diametric Capital, LP
13F
Company
0.14%
22,036
$502,420 31 Dec 2025
13F
Bernard J. Bulkin
3/4/5
Director
0.21%
32,429
$488,380 17 Jun 2025
Quantinno Capital Management LP
13F
Company
0.14%
21,090
$480,852 31 Dec 2025
13F

Institutional Holders of ATN International, Inc. - Common Stock (ATNI) as of Q1 2026

As of 31 Mar 2026, ATN International, Inc. - Common Stock (ATNI) was held by 118 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 9,114,152 shares. The largest 10 holders included Global Alpha Capital Management Ltd., BlackRock, Inc., DIMENSIONAL FUND ADVISORS LP, BROWN BROTHERS HARRIMAN & CO, AMERICAN CENTURY COMPANIES INC, VANGUARD CAPITAL MANAGEMENT LLC, D. E. Shaw & Co., Inc., ACADIAN ASSET MANAGEMENT LLC, RENAISSANCE TECHNOLOGIES LLC, and MORGAN STANLEY. This page lists 118 institutional shareholders reporting positions in this security for the Q1 2026 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders
112
Q1 2026 holders
118
Holder diff
6
Investor Q4 2025 Shares Q1 2026 Shares Share Diff Share Chg % Q4 2025 Value $ Q1 2026 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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