Investors interested in Finance stocks should always be looking to find the best-performing companies in the group. Is Innovative Industrial Properties (IIPR) one of those stocks right now? By taking a look at the stock's year-to-date performance in comparison to its Finance peers, we might be able to answer that question.Innovative Industrial Properties is one of 856 companies in the Finance group. The Finance group currently sits at #15 within the Zacks Sector Rank. The Zacks Sector Rank includes 16 different groups and is listed in order from best to worst in terms of the average Zacks Rank of the individual companies within each of these sectors.The Zacks Rank emphasizes earnings estimates and estimate revisions to find stocks with improving earnings outlooks. This system has a long record of success, and these stocks tend to be on track to beat the market over the next one to three months. IIPR is currently sporting a Zacks Rank of #2 (Buy).The Zacks Consensus Estimate for IIPR's full-year earnings has moved 1.93% higher within the past quarter. This means that analyst sentiment is stronger and the stock's earnings outlook is improving.Based on the latest available data, IIPR has gained about 191.50% so far this year. Meanwhile, the Finance sector has returned an average of 13.55% on a year-to-date basis. This shows that Innovative Industrial Properties is outperforming its peers so far this year.Looking more specifically, IIPR belongs to the REIT and Equity Trust - Other industry, which includes 117 individual stocks and currently sits at #150 in the Zacks Industry Rank. This group has gained an average of 24.17% so far this year, so IIPR is performing better in this area.Going forward, investors interested in Finance stocks should continue to pay close attention to IIPR as it looks to continue its solid performance.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Innovative Industrial Properties, Inc. (IIPR): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research