MILLICOM INTERNATIONAL CELLULAR SA
TIGONasdaqCommunication Services · Radiotelephone Communications · SEC filings ↗ · Compare ⊕
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SEC XBRL · annualNo structured XBRL financials available (common for pre-2009 filers, foreign issuers, or companies that never reported as a US public company).
5%+ owners
SEC Schedule 13D / 13G · last 3 yrs- Atlas Investissement SasActivist (13D)Mar 27, 2026
Holders who disclosed a 5%+ stake. 13D signals intent to influence or control; 13G is a passive holding. Latest filing per holder — open it for the exact stake.
Short interest
FINRA · bi-monthly| Settlement | Shares short | Days to cover | Δ vs prior |
|---|---|---|---|
| May 15, 2026 | 3.7M | 2.9 | +8.4% |
| Apr 30, 2026 | 3.5M | 2.8 | -3.0% |
| Apr 15, 2026 | 3.6M | 2.9 | +41.9% |
| Mar 31, 2026 | 2.5M | 1.6 | +28.8% |
| Mar 13, 2026 | 2.0M | 1.4 | -0.3% |
Shares sold short as reported to FINRA. Days-to-cover = short shares ÷ average daily volume — higher means more potential squeeze pressure.
Recent SEC filings
All filings ↗- 6-KFORM 6-KMay 21, 2026
- 144May 19, 2026
- 6-KFORM 6-KMay 14, 2026
- 6-KFORM 6KApr 28, 2026
- 6-KFORM 6-KApr 17, 2026
- 6-KFORM 6KApr 15, 2026
- 6-KFORM 6-KApr 2, 2026
- SCHEDULE 13D/AMar 27, 2026
- 6-KFORM 6-KMar 26, 2026
- 20-FMar 24, 2026
- 3FORM 3Mar 18, 2026
- 3FORM 3Mar 18, 2026
- 3FORM 3Mar 18, 2026
- 3FORM 3Mar 18, 2026
- 3FORM 3Mar 18, 2026