After three successful season, Ankersen became a very wanted player, and his agent revealed in December 2013, that there had bin interest from the Netherlands and Belgium.
In the January transfer market 2016–17, IFK Göteborg revealed, that they were ready to sell Ankersen, if they received a good bid.
[11] On 6 August 2020, Ankersen returned to newly relegated Danish 1st Division club Esbjerg fB on a three-year deal.
[15] Immediately after his departure from Esbjerg was announced, on 10 August 2021, Ankersen was presented as a new Randers FC player, signing a deal until June 2022.
[17] On 10 July 2023, Ankersen joined newly relegated Danish 1st Division side AC Horsens on a deal until June 2025.
[18] On 2 September 2024, AC Horsens announced the termination of Ankersen's contract following his desire to seek new challenges.