| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<ownershipDocument> |
| <schemaVersion> X0206 </schemaVersion> |
| <documentType> 3 </documentType> |
| <periodOfReport> 2017-08-11 </periodOfReport> |
| <noSecuritiesOwned> 1 </noSecuritiesOwned> |
| <issuer> |
| | <issuerCik> 0001011006 </issuerCik> |
| | <issuerName> ALTABA INC. </issuerName> |
| | <issuerTradingSymbol> AABA </issuerTradingSymbol> |
| | </issuer> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0001714810 </rptOwnerCik> |
| | | <rptOwnerName> KAUFFMAN RICHARD L. </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> C/O ALTABA INC. </rptOwnerStreet1> |
| | | <rptOwnerStreet2> 140 E 45TH STREET, 15TH FLOOR, SUITE 15A </rptOwnerStreet2> |
| | | <rptOwnerCity> NEW YORK </rptOwnerCity> |
| | | <rptOwnerState> NY </rptOwnerState> |
| | | <rptOwnerZipCode> 10017 </rptOwnerZipCode> |
| | | <rptOwnerStateDescription></rptOwnerStateDescription> |
| | | </reportingOwnerAddress> |
| | <reportingOwnerRelationship> |
| | | <isDirector> 1 </isDirector> |
| | | </reportingOwnerRelationship> |
| | </reportingOwner> |
| <footnotes></footnotes> |
| <ownerSignature> |
| | <signatureName> /s/ Richard L. Kauffman </signatureName> |
| | <signatureDate> 2017-08-21 </signatureDate> |
| | </ownerSignature> |
| </ownershipDocument> |