ATN International
ATNI · NASDAQ
$25.71+$0.46 (+1.82%)TodayMarket closed ·
Prev close $25.25
Who owns ATNI
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 68.8% of ATNI’s shares.
- Prior (Cornelius B Jr)29.6%
- Global Alpha Capital Management Ltd.9.4%
- BlackRock Institutional Trust Company, N.A.5.0%
- Dimensional Fund Advisors, L.P.4.7%
- Next 6 largest institutions20.1%
- All other shareholders31.2%
| Holder | Shares | % of shares |
|---|---|---|
| Prior (Cornelius B Jr) | 4.55M | 29.61% |
| Global Alpha Capital Management Ltd. | 1.44M | 9.39% |
| BlackRock Institutional Trust Company, N.A. | 770.12K | 5.01% |
| Dimensional Fund Advisors, L.P. | 727.37K | 4.73% |
| Prior (Michael T) | 685.94K | 4.46% |
| Brown Brothers Harriman & Company | 662.54K | 4.31% |
| American Century Investment Management, Inc. | 573.64K | 3.73% |
| Vanguard Capital Management, LLC | 414.18K | 2.69% |
| Acadian Asset Management LLC | 379.77K | 2.47% |
| D. E. Shaw & Co., L.P. | 375.14K | 2.44% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| CC&L Global Alpha Fund | 701.90K | 4.56% |
| Avantis US Small Cap Value ETF | 545.67K | 3.55% |
| Vanguard Total Stock Market Index Fund | 292.01K | 1.90% |
| iShares Russell 2000 ETF | 252.91K | 1.64% |
| Vanguard Extended Market Index Fund | 112.32K | 0.73% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $4.58M (50 trades) of ATNI on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| PRIOR CORNELIUS B JR | Gift | 13.50K | — |
| PRIOR CORNELIUS B JR | Gift | 12.50K | — |
| PRIOR CORNELIUS B JR | Sale | 4.54K | $140.88K |
| PRIOR CORNELIUS B JR | Sale | 2.58K | $80.35K |
| Jacobs Patricia | Sale | 1.50K | $45.06K |
| PRIOR CORNELIUS B JR | Sale | 10.00K | $313.39K |
| PRIOR CORNELIUS B JR | Sale | 5.37K | $168.09K |
| PRIOR CORNELIUS B JR | Sale | 500 | $15.63K |
| Jacobs Patricia | Sale | 1.00K | $31.14K |
| PRIOR CORNELIUS B JR | Sale | 10.00K | $318.62K |
Short interest
Settled Sep 30, 2026
- Shares short
- 350.08K
- Days to cover
- 4.00
- % of shares outstanding
- 2.28%
- Average daily volume
- 87.56K
- Change since last report
- +18.0%
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