It's not a big deal, I saw someone had 8.7 M of one stock:

https://bbs.wenxuecity.com/tzlc/1858693.html

所有跟帖： 

• 我知道一个人买掉了start up，当年把钱全部投到Bear Stearns。不是几米是70～80米。 -goingplace- ♀ (0 bytes) () 06/24/2024 postreply 13:28:28

• Bear stern 让我两腿发软啊… 差点被wipeout -田牛妹1- ♀ (0 bytes) () 06/24/2024 postreply 13:34:15