Addition of London Segment MIC codes to SEDOL Masterfile

SEDOL Masterfile will be making two new additions to the XLON Segment MICs from the 20 November 2017.

The new Segment MICs will be ‘AIMX’ and ‘XLOM’ respectively and have been mapped to segment and sectors in line with the MIT Trading parameters.

To get a complete list of the SEDOLs that will have additional Segment MIC values from the 20 November 2017 download them here.

The MIT Technical Specification can be found here.

If you have any queries, please email