As of block 788529 the #bitcoin mempool contains about 302,730 unconfirmed transactions.
An estimated 238,121 transactions or ~79% appear to be related to ordinals, filling over 38% of the total mempool storage space.
--
total #mempool size: 146 MvB
ord transactions size: ~55 MvB
addtl. miner fees: 0 sats