Augustine of Hippo

Paul the apostle also says, "To each of us is given grace according to the measure of the gift of Christ;" and then, that he might show that by the gift of Christ he meant the Holy Spirit, he has gone on to add, "Wherefore He saith, He hath ascended up on high, He hath led captivity captive, and hath given gifts to men." And every one knows that the Lord Jesus, when He had ascended into heaven after the resurrection from the dead, gave the Holy Spirit, with whom they who believed were filled, and spake with the tongues of all …

On The Trinity 15:5.34 ↗

Ambrose of Milan

It does not escape our notice that some copies have likewise, according to Luke: "How much more shall your heavenly Father give a good gift to them that ask him." This good gift is the grace of the Spirit, which the Lord Jesus shed forth from heaven, after having been fixed to the gibbet of the cross, returning with the triumphal spoils of death deprived of its power, as you find it written: "Ascending up on high he led captivity captive, and gave good gifts to people." And well does he say "gifts," for as the Son was given, of whom …

On the Holy Spirit 1.5.66 ↗

Jerome

You have ascended on high, you have taken captivity captive. You have ascended into the heavens: you have taken us captive, we who were held captive by the devil. You have received gifts among men. He said it well, "you have received." From the Father he received: he receives as man, he gives as God; and what he received, he received for men, that he might give. For he himself is full, and lacks nothing. For indeed those who do not believe that the Lord dwells. …

Homily 7, on Psalm 67 ↗