Hey, you looking for a place on Manhattan's Upper West Side? Well, if you've got $20 million, Bill Ackman might be able to help you. The billionaire hedge fund manager has listed two neighboring apartments for a total of $19.9 million, seven years after ...

Pershing Square bought roughly 25.9 million shares of Brookfield in Q3, increasing its stake by almost 378%. Brookfield is a dividend stock, but I doubt there's an income investor on the planet who would get excited about the company's dividend.

Unsurprisingly, billionaire investor Bill Ackman added to his position in footwear giant Nike (NYSE:NKE) during the last quarter. As to whether Ackman is finished building his position remains the multi-billion-dollar question.

Over the last two quarters, Ackman has built two new significant positions for Pershing Square -- Nike (NYSE: NKE) and Brookfield (NYSE: BN) -- piling an estimated $2.2 billion into those stocks during the third quarter alone.

Ackman has been loading up on shares of Brookfield. Brookfield is one of my top portfolio holdings. The company's best days lie ahead. Brookfield isn't a household name among most investors, and the Canadian investment manager's operation might seem a bit complex at first glance.