Not sure when they have to update their webpage but on the 5th August the major shares were :
Director Holdings
Name Amount %
David John Braben 17,910,953 53.0
David Ranken Gammon* 291,720 0.9
Jonathan Simon Milner* 662,104 2.0
David John Walsh* 1,245,820 3.7
Jonathan Francis Watts 44,760 0.1
Total 20,155,357 59.6
Significant Shareholders (>3%)
Name Amount %
Christopher Sawyer 2,373,726 7.0
Lansdowne Partners Limited 3,263,089 9.7
Amati Global Investors 1,070,185 3.2
Total 6,707,000 19.8
*Include direct family holdings
https://www.frontier.co.uk/investor_relations/shares/
After an update should be able to see if any of those change.
edit: glad to see me setting the font to a monospace one and adding spaces wan't a waste of time