ATN International, Inc.
ATN International, Inc. (ATNI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ATNI · as of Sep 30, 2025
Ownership Breakdown
106
Institutional Holders
▲ 6 vs Q2
$136.67M
Total Inst. Value
▼ $12.82M vs Q2
15.38M
Shares Outstanding
freeFloat 63.68%
9.12M
13F Shares Held
▼ 69,945 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ATNI largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
GLOBAL ALPHA CAPITAL MANAGEMENT LTD. telephone communications (no radiotelephone) | 1.56M | 10.27% | 10.27% | $23.34B | Nov 13, 2025 | ▼ 24.5K |
BLACKROCK, INC. telephone communications (no radiotelephone) | 899.2K | 5.92% | 5.92% | $13.46B | Nov 12, 2025 | ▼ 7.0K |
DIMENSIONAL FUND ADVISORS LP telephone communications (no radiotelephone) | 812.9K | 5.36% | 5.36% | $12.17B | Nov 12, 2025 | ▼ 24.0K |
BROWN BROTHERS HARRIMAN & CO telephone communications (no radiotelephone) | 662.5K | 4.37% | 4.37% | $9.92B | Nov 13, 2025 | ▲ 35.4K |
VANGUARD GROUP INC telephone communications (no radiotelephone) | 588.8K | 3.88% | 3.88% | $8.81B | Nov 7, 2025 | ▼ 20.3K |
D. E. SHAW & CO., INC. telephone communications (no radiotelephone) | 426.8K | 2.81% | 2.81% | $6.39B | Nov 14, 2025 | ▼ 6.2K |
AMERICAN CENTURY COMPANIES INC telephone communications (no radiotelephone) | 401.2K | 2.64% | 2.64% | $6.01B | Nov 12, 2025 | ▲ 14.6K |
RENAISSANCE TECHNOLOGIES LLC telephone communications (no radiotelephone) | 346.0K | 2.28% | 2.28% | $5.18B | Nov 13, 2025 | ▼ 17.8K |
GEODE CAPITAL MANAGEMENT, LLC telephone communications (no radiotelephone) | 255.3K | 1.68% | 1.68% | $3.82B | Nov 12, 2025 | ▲ 1.2K |
ACADIAN ASSET MANAGEMENT LLC telephone communications (no radiotelephone) | 241.7K | 1.59% | 1.59% | $3.61B | Nov 13, 2025 | ▼ 10.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
16
Increased
+132.8K shares2
New Positions
first time holders25
Decreased
−295.9K shares0
Sold Out
fully exitedNet shares change (top 50)
163.1K
+132.8K / −295.9K
Net new holders
-7
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ATNI insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
1
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Khoury Naji CEO | Apr 24, 2026 | Award | 36,853 | — | — | 36.9K | Form 4 ↗ |
Khoury Naji CEO | Apr 24, 2026 | Award | 36,853 | — | — | 36.9K | Form 4 ↗ |
PRIOR CORNELIUS B JR 10 percent owner | Apr 17, 2026 | Gift | 1,700 | — | — | 4.17M | Form 4 ↗ |
PRIOR MICHAEL T EXECUTIVE CHAIRMAN | Mar 25, 2026 | Tax Withhold | 2,378 | $27.92 | $66.4K | 587.7K | Form 4 ↗ |
PRIOR MICHAEL T EXECUTIVE CHAIRMAN | Mar 17, 2026 | Award | 13,524 | — | — | 590.1K | Form 4 ↗ |
PRIOR MICHAEL T EXECUTIVE CHAIRMAN | Mar 17, 2026 | Award | 13,524 | — | — | 13.5K | Form 4 ↗ |
PRIOR MICHAEL T EXECUTIVE CHAIRMAN | Mar 12, 2026 | Tax Withhold | 2,191 | $24.65 | $54.0K | 581.2K | Form 4 ↗ |
PRIOR MICHAEL T EXECUTIVE CHAIRMAN | Mar 13, 2026 | Tax Withhold | 4,686 | $24.49 | $114.8K | 576.5K | Form 4 ↗ |
PRIOR MICHAEL T EXECUTIVE CHAIRMAN | Mar 7, 2026 | Tax Withhold | 6,430 | $24.18 | $155.5K | 586.4K | Form 4 ↗ |
PRIOR MICHAEL T EXECUTIVE CHAIRMAN | Mar 7, 2026 | Tax Withhold | 2,982 | $24.18 | $72.1K | 583.4K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
ATN International, Inc. (ATNI) is primarily owned by institutional investors, who hold approximately 59.3% of total shares outstanding. Company insiders own approximately 36.32%, while retail and public investors account for the remaining 4.35%.
The largest institutional shareholder of ATN International, Inc. is GLOBAL ALPHA CAPITAL MANAGEMENT LTD., holding approximately 1.56 million shares — equal to 10.27% of outstanding shares — as of September 30, 2025.
A total of 106 institutional investors currently hold ATNI stock, with a combined institutional value of approximately $136,668,417 as of the most recent 13F filing period.
Frequently asked questions
ATNI ownershipATN International, Inc. (ATNI) is primarily owned by institutional investors, who hold approximately 59.3% of shares. The largest shareholder is GLOBAL ALPHA CAPITAL MANAGEMENT LTD. with a 10.27% stake. Company insiders hold 36.32%. Data sourced from SEC Form 13F as of September 30, 2025.