Cibc World Markets Expands Stake in Equity LifeStyle Properties Cibc World Markets Corp has increased its stake in Equity LifeStyle Properties by 6.7% during the fourth quarter. The firm now owns 63,633 shares, valued at $4.24 million, after acquiring an additional 4,017 shares. Equity LifeStyle Properties recently announced a dividend increase, reflecting a 3.01% annualized yield.12