Millicom International Cellular SA
TIGO- Exchange
- Nasdaq
- Industry
- Radiotelephone Communications
- SEC CIK
- 0000912958
In the last 90 days, Millicom International Cellular SA insiders filed 0 open-market purchases and 4 sales; 438 institutions reported holding it in 13F filings for Q2 2026, worth $7.03B in total; no superinvestor holds it.
Other share classesMLCMF
Holders of 5% or more of TIGO
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Millicom International Cellular SA, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Atlas Investissement SAS | 13D/A | 49.50%83.0M shares | 0.00 ppfrom 49.50% | Nov 4, 202217 filings | Sep 24, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
24 Schedule 13D and 13G filings on Millicom International Cellular SA, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Sep 24, 20264:01 PM ET | Atlas Investissement SASand 7 others | 13D/A | 49.50%83.0M shares | 0.00 ppfrom 49.50% | Sep 22, 2026 | SEC |
| Jun 29, 20265:55 PM ET | Atlas Investissement SASand 7 others | 13D/A | 49.50%83.0M shares | +2.80 ppfrom 46.70% | Jun 25, 2026 | SEC |
| Jun 23, 20264:30 PM ET | Atlas Investissement SASand 7 others | 13D/A | 46.70%78.3M shares | +0.70 ppfrom 46.00% | Jun 18, 2026 | SEC |
| Mar 27, 20267:51 PM ET | Atlas Investissement SASand 7 others | 13D/A | 46.00%77.1M shares | +1.90 ppfrom 44.10% | Mar 27, 2026 | SEC |
| Mar 13, 20264:30 PM ET | Atlas Investissement SASand 7 others | 13D/A | 44.10%73.8M shares | +1.90 ppfrom 42.20% | Mar 11, 2026 | SEC |
| Feb 12, 20269:13 AM ET | Atlas Investissement SASand 7 others | 13D/A | 42.20%70.5M shares | 0.00 ppfrom 42.20% | Feb 10, 2026 | SEC |
| Nov 14, 20254:30 PM ET | Atlas Investissement SASand 7 others | 13D/A | 42.20%70.5M shares | 0.00 ppfrom 42.20% | Nov 12, 2025 | SEC |
| Sep 22, 20256:07 PM ET | Atlas Investissement SASand 7 others | 13D/A | 42.20%70.5M shares | 0.00 ppfrom 42.20% | Sep 18, 2025 | SEC |
| Sep 4, 20254:37 PM ET | Atlas Investissement SASand 7 others | 13D/A | 42.20%70.5M shares | 0.00 ppfrom 42.20% | Sep 2, 2025 | SEC |
| Aug 22, 20255:05 PM ET | Atlas Investissement SASand 7 others | 13D/A | 42.20%70.5M shares | 0.00 ppfrom 42.20% | Aug 20, 2025 | SEC |
| Aug 13, 20254:31 PM ET | Atlas Investissement SASand 7 others | 13D/A | 42.20%70.5M shares | +0.32 ppfrom 41.88% | Aug 11, 2025 | SEC |
| Mar 17, 20258:46 PM ET | Atlas Investissementand 7 others | 13D/A | 41.88%70.5M shares | +0.74 ppfrom 41.14% | Mar 13, 2025 | SEC |
| Mar 12, 20258:52 PM ET | Atlas Investissementand 7 others | 13D/A | 41.14%69.7M shares | – | Mar 10, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Millicom International Cellular SA shares.
No Form 144 notices for Millicom International Cellular SA are on file.