solana-nft-owner.js

const web3 = require("@solana/web3.js");
const { Token, TOKEN_PROGRAM_ID } = require("@solana/spl-token");

const { MINT_ID } = process.env;

const connection = new web3.Connection(
  web3.clusterApiUrl("mainnet-beta"),
  "confirmed"
);

const publicKey = new web3.PublicKey(MINT_ID);

(async () => {
  const res = await connection.getTokenLargestAccounts(publicKey);

  const owner = res.value.find((x) => x.amount === "1");

  if (!owner) {
    return console.log("no match");
  }

  const token = new Token(connection, publicKey, TOKEN_PROGRAM_ID);

  const info = await token.getAccountInfo(owner.address);

  return info.owner.toString();
})()
  .then(console.log)
  .catch(console.error);