What happened Shares of Mobile Mini (NASDAQ: MINI) gained 17.9% last month, according to data provided by S&P Global Market Intelligence. The stock got a boost when news broke that two activist investors had bought stakes in the company and were pushing for a sale or strategic merger. IMAGE SOURCE: MOBILE MINI. So what On Sept. 11, Reuters reported that the Donerail Group, led by activist investor William Wyatt, had acquired a stake in Mobile Mini and was pushing for a sale. A few weeks later, it was revealed that another activist investor, Elliot Management, had bought a stake in the portable storage solutions provider and was pushing for a merger with WillScot (NASDAQ: WSC), which is also in the rental services business. WillScot has made an offer to acquire Mobile Mini for a price in the mid- to high $30s. Mobile Mini shares currently trade for $36.32 with a market value of $1.623 billion, which approximates the value of the offer. This news comes as Mobile Mini is going through a change in leadership, with president and COO Kelly Williams taking over as CEO on Oct. 1. The transition was previously announced in May, when CEO Erik Olsson was named nonexecutive chairman of the board of directors. Now what Mobile Mini is the world's largest portable-storage solutions provider. It operates 198,000 storage containers and office units and is also involved in tank and pump solutions. WillScot has a fleet of 150,000 modular-space and portable storage units. A deal between the two companies would create a storage solutions juggernaut. But there's no word yet on whether Mobile Mini is interested or if a deal will succeed. 10 stocks we like better than Mobile MiniWhen investing geniuses David and Tom Gardner have a stock tip, it can pay to listen. After all, the newsletter they have run for over a decade, Motley Fool Stock Advisor, has quadrupled the market.* David and Tom just revealed what they believe are the ten best stocks for investors to buy right now... and Mobile Mini wasn't one of them! That's right -- they think these 10 stocks are even better buys. See the 10 stocks *Stock Advisor returns as of June 1, 2019 John Ballard has no position in any of the stocks mentioned. The Motley Fool recommends Mobile Mini. The Motley Fool has a disclosure policy.Source