The Blues did not make one signing, having missed out on number-one target Ben Woodburn.
However, a number of Pompey’s League One rivals did add to their ranks late in the window.
Here’s a look at how they recruited...
9. Callum Connolly (Everton - Fleetwood Town)
The defender is back at the Cod Army on a season-long loan, having also spent time at the club last term. Photo: Warren Little
10. Andy Fisher (Blackburn - MK Dons)
The keeper has returned to MK on a permanent basis. Photo: Alex Livesey
11. Stephen Walker (Middlesbrough - MK Dons)
The striker returns to the Dons on loan for the remainder of the campaign. Photo: Pete Norton
12. Olamide Shodipo (QPR - Oxford)
The winger has moved to the Kassam Stadium on loan for the season Photo: Alex Pantling
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