Security key
00215F107
ATN International, Inc. - Common Stock, par value $.01 per share (ATNI)
CUSIP: 00215F107
Q1 2021 13F Holders as of 31 Mar 2021
- Security type / class
- Equity / Common Stock, par value $.01 per share
- Total 13F shares
- 10,579,332
- Total 13F value
- $519,727,352
- Share change
- +162,103
- SEC-reported price per share
- $49.12
- Number of holders
- 109
- Value change
- +$8,870,598
- Number of buys
- 43
- Number of sells
- 62
- Shares outstanding
- 15,381,181
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2021
Institutions
109
Top holders
10
ATNI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
ATN International, Inc. SEC filings
ATN International, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 00215F107
Recent filing periods:
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
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2020
13F
Lead comparable stake: 12%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 12%.
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 BlackRock Finance, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock Finance, Inc.
12%
DIMENSIONAL FUND ADVISORS LP
8.3%
VANGUARD GROUP INC
7.3%
Global Alpha Capital Management Ltd.
4.8%
RENAISSANCE TECHNOLOGIES LLC
3.9%
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 |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
12%
|
$74,120,000
1,774,885 shares
|
— | 31 Dec 2020 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
8.3%
|
$53,595,000
1,283,410 shares
|
— | 31 Dec 2020 |
| VANGUARD GROUP INC |
13F
Company
|
7.3%
|
$46,938,000
1,124,007 shares
|
— | 31 Dec 2020 |
| Global Alpha Capital Management Ltd. |
13F
Company
|
4.8%
|
$30,791,000
737,332 shares
|
— | 31 Dec 2020 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
3.9%
|
$24,977,000
598,100 shares
|
— | 31 Dec 2020 |
| MACQUARIE GROUP LTD |
13F
Company
|
3.7%
|
$23,933,000
573,104 shares
|
— | 31 Dec 2020 |
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 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
109
Shares
10,579,332
Rows available
109
| 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 2021 vs Q1 2026 Across Filers
Q1 2026 holders
123
Q1 2021 holders
109
Holder diff
-14
| Investor | Q1 2026 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend