John 3:13

No one has ascended into heaven except the One who descended from heaven—the Son of Man.

Note BYZ and TR include who is in heaven.

BSB · Berean Standard Bible
And no man hath ascended up to heaven, but he that came down from heaven, even the Son of man which is in heaven.
KJV · King James Version
No one has ascended into heaven but he who descended out of heaven, the Son of Man, who is in heaven.
WEB · World English Bible
And no one hath ascended into heaven, but he that descended out of heaven, even the Son of man, who is in heaven.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

no man
John 1:18; John 6:46; Deuteronomy 30:12; Proverbs 30:4; Acts 2:34; Romans 10:6; Ephesians 4:9
but
John 6:33, 38, 51, 62; John 8:42; John 13:3; John 16:28–30; John 17:5; 1 Corinthians 15:47
even
John 1:18; Matthew 28:20; Mark 16:19, 20; Acts 20:28; Ephesians 1:23; Ephesians 4:10