ATN International, Inc. - Common Stock, par value $.01 per share (ATNI)

CUSIP: 00215F107

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class
Equity / Common Stock, par value $.01 per share
Total 13F shares
9,163,242
Total 13F value
$249,437,377
Holder snapshot 6 signals
Share change
+331,219
SEC-reported price per share
$27.22
Number of holders
123
Value change
+$9,473,552
Number of buys
62
Number of sells
48
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
15,381,181

Security key

00215F107

Report period

Q1 2026

Institutions

123

Top holders

10

ATNI full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Previous quarter: Q4 2025 ATN International, Inc. SEC filings ATN International, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of ATNI - ATN International, Inc. - Common Stock, par value $.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Global Alpha Capital Mana...
Disclosed value leader
Global Alpha Capital Mana...
Comparable rows
15/15
Latest evidence
31 Mar 2026
13F 13D/G Lead comparable stake: 10% 13D/G row: Global Alpha Capital Management Ltd. Showing 1-6 of 15 holder rows.

Quick read

Global Alpha Capital Management Ltd. leads the comparable SEC ownership view at 10%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Global Alpha Capital Management Ltd.'s linked filing trail.
Comparable ownership Top 5
Global Alpha Capital Management Ltd. 10%
BlackRock, Inc. 4.9%
DIMENSIONAL FUND ADVISORS LP 4.9%
BROWN BROTHERS HARRIMAN & CO 4.3%
VANGUARD GROUP INC 3.8%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Global Alpha Capital Management Ltd.
13F 13D/G
Company
13F 13D/G
10%
from 13D/G
$33,219,554
1,456,998 shares
 — 31 Dec 2025
BlackRock, Inc.
13F 13D/G
Company
13F 13D/G
4.9%
from 13D/G
$21,471,374
941,727 shares
 — 31 Dec 2025
DIMENSIONAL FUND ADVISORS LP
13D/G 13F
Company
13D/G 13F
4.9%
$20,369,876
748,312 shares
 -$2,687,703 31 Mar 2026
BROWN BROTHERS HARRIMAN & CO
13F
Company
13F
4.3%
$15,106,003
662,544 shares
 — 31 Dec 2025
VANGUARD GROUP INC
13F
Company
13F
3.8%
$13,293,062
583,029 shares
 — 31 Dec 2025
D. E. Shaw & Co., Inc.
13F
Company
13F
2.7%
$9,404,726
412,488 shares
 — 31 Dec 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
123
Shares
9,163,242
Rows available
123
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders
113
Q1 2026 holders
123
Holder diff
10
Investor Q4 2025 Shares Q1 2026 Shares Share Diff Share Chg % Q4 2025 value Q1 2026 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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