Portsmouth January transfers and net spend: Every confirmed signing and sale for John Mousinho's side in 2026 winter window

Portsmouth welcomed seven new signings during the course of the winter transfer window, including three arrivals on the final day of the market. 

Pompey's deadline day business included the loan signings of Jacob Brown and Gustavo Caballero from Luton Town and Santos, respectively.

Defender Madiodio Dia represented Portsmouth's final addition of the market, arriving on a permanent transfer from Norwegian club FK Haugesund. 

They also sanctioned one major departure on deadline day, selling attacker Callum Lang to fellow Championship side Preston North End. 

Here, Sports Mole rounds up all of Portsmouth's confirmed ins and outs during the 2026 January transfer window, as well as looking at their net spend and latest transfer rumours.

Portsmouth confirmed transfers in: January 2026

Millenic Alli (LW | Loan from Luton Town)

Tom McIntyre (CB | Loan return from Bradford City)

Harry Clout (AM | Loan return from Havant & Waterlooville)

Ebou Adams (CM | £500k from Derby County)

Keshi Anderson (LW | Free)

Aji Alese (CB | Loan from Sunderland)

Jacob Brown (CF | Loan from Luton Town)

Gustavo Caballero (LW | Loan from Santos)

Madiodio Dia (CB | Undisclosed from FK Haugesund)

Reuben Swann (CM | Loan return from Havant & Waterlooville)

Portsmouth confirmed transfers out: January 2026

Yang Min-hyeok (LW | Loan return to Tottenham Hotspur)

Callum Lang (RW | Undisclosed to Preston North End)

Tom McIntyre (CB | Free to Aberdeen)

Jacob Farrell (LB | Loan to Western Sydney)

Portsmouth net spend: January 2026

Portsmouth total spend January 2026: £500k

Portsmouth total income January 2026: £0m

Portsmouth net spend January 2026: £500k