Clubs were busy bolstering promotion bids or steeling their squad as they fight against relegation to the fourth tier.
Some business carried out by Pompey and their rivals was undoubtedly more eye-catching than other deals.
So we’ve assembled what we believe to be the best pieces of business around the division across the winter window.
13. Aden Flint (Stoke - Sheffield Wednesday, loan)
Was a £7m signing for Middlesbrough in 2019 and the towering presence has a stack of Championship under his belt. A huge signing for the leaders. Photo: Steve Ellis Steve Ellis
14. Jayden Stockley (Charlton - Fleetwood, undisclosed)
Former Pompey target has added presence and goal threat to Fleetwood's front line for a reported £250,000. Photo: Alex Pantling
15. Jack Marriott (Peterborough - Fleetwood, undisclosed)
Looks the perfect foil for Jayden Stockey, with another reported £250,000 shelled out to Peterborough. Photo: The News
16. Di'Shon Bernard (Manchester United - Pompey, loan)
Excellent on his Pompey debut with a showing which speaks of a promising loan from the Premier League big guns. Photo: Jason Brown