According to TechFlow, on August 12, the on-chain detective ZachXBT tweeted that a large holder of WBTC was suspected to be related to ransomware and pig-killing activities.
The position data is as follows:
0xed805ac246f441ea0d057b81d910ef1e39eb5995 holds 1,253 WBTC (about $73 million);
0x9a5c7630d327885ae849217702824e5835d3c5e0 holds 185 WBTC (approximately US$10.8 million).