2020 BRN Discussion, page-25982

The majority of BRN holders are still retail investors and traders

Retail, apart from the majority of the people that are long term investors on this forum that have don their research and understand the co and potential, are very easily influenced and for many reasons are prepared to sell their shares.

Once the company starts getting revenues the interest of institutional investors will increase and the majority of holders will be institutions. Backed by their ability to do quality research and their ability to have more one on one time with BRN, to reinforce their convictions. This will remove their shares from the market, as they will be holding for the long term (e.g. Buffet).
They are also not so easily spooked by the price manipulators.

This will reduce the number of shares available on the market, which will put a constant up pressure on the SP

You could argue that the process has started already based on the fact that the volume of daily trades has been steadily reducing since December.