DOSSIER · 13F Holders · Q2 2026
ATNI

ATN INTL INC

140 institutions still hold ATN INTL INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 00215F107·140 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$200M
visible holders
Holders
140
filers reporting
Concentration
19.18%
Global Alpha Capital Management Ltd. #1
top holder share
AI Holders Summary · Q2 2026

140 institutions reported ATNI in Q2 2026. Global Alpha Capital Management Ltd. leads at 19.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Global Alpha Capital Management Ltd.
CIK 0001584691
$38M1.4M2.29%Q2 2026
02
BlackRock, Inc.
CIK 0002012383
$24M923K0.00%Q2 2026
03
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$19M727K0.00%Q2 2026
04
BROWN BROTHERS HARRIMAN & CO
CIK 0000014661
$18M663K0.08%Q2 2026
05
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$15M574K0.01%Q2 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$11M414K0.00%Q2 2026
07
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$10M363K0.01%Q1 2026
08
D. E. Shaw & Co., Inc.
CIK 0001009207
$9M412K0.01%Q4 2025
09
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$9M321K0.01%Q2 2026
10
MORGAN STANLEY
CIK 0000895421
$7M278K0.00%Q2 2026
11
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$7M271K0.00%Q2 2026
12
STATE STREET CORP
CIK 0000093751
$6M222K0.00%Q2 2026
13
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 0001107261
$4M148K0.07%Q2 2026
14
Ballast Asset Management, LP
CIK 0001998389
$4M136K1.44%Q2 2026
15
FMR LLC
CIK 0000315066
$3M127K0.00%Q2 2026
16
Bank of New York Mellon Corp
CIK 0001390777
$3M125K0.00%Q2 2026
17
NORTHERN TRUST CORP
CIK 0000073124· Index
$3M114K0.00%Q2 2026
18
GABELLI FUNDS LLC
CIK 0001081407
$3M110K0.02%Q2 2026
19
Vanguard Portfolio Management
CIK 0002100121· Index
$3M104K0.00%Q2 2026
20
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$3M101K0.00%Q2 2026
Page 1 of 7
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Insiders at ATN INTL INC
Prior Cornelius B JrJacobs PatriciaMabey MaryHenry AprilLenehan Pamela FHudson DerekBulkin Bernard J