Weekly update on #13D-G filings as of 12/31:

What is a 13D or 13G filing?
A 13D-G must be filed with the SEC when institutional investors including hedge funds or anyone have acquired 5% or more ownership of a company's shares.

Typically they have to file within 10 days... https://twitter.com/HedgeMind/status/1345126440891600898

within 10 days after a 13D-G filing requirement is triggered.

The event date of filing represents when the filing condition is triggered, i.e. someone who acquired shares just exceeded 5% threshold.

That's why the Event Date is the most important to investors to know.

The 1st week of 2021 is very active:

283 13D-G filings reported.
48% of them are new or increased buys

The reason is 3 kinds of filings are triggered:
Year-End
Mond-End
The anytime filing, i.e. whenever anyone acquired 5%+ ownership or made changes to those positions.
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