The stock rose as high as A27.5c and closed at 25.5c, a healthy 27.5% premium to the 20c issue price of its initial public offering.
The company managed to raise the maximum $6.5 million sought under its IPO.
Haranga had previously been focused on Mongolia, but was removed from the ASX in 2019 after being inactive for too long.
It sold its Mongolian interests and is now focused on Africa.
Its two main projects are the Issia gold project in Cote d'Ivoire and the Saraya uranium project in Senegal.
Peter Youd is exectutive chairman, with John Davis and Dr Hendrik Schloemann as non-executive directors.
Haranga's two largest shareholders with just under 6.2% each are Dusko Ljubojevic and Martin Pawlitschek.