The combined equity market cap of the 26 REITs tracked in the sector is $ 18.36 billion, of which Kimco represents 17.7 %. (nreionline.com)
* The combined equity market cap of the Top 20 office REITs is approximately $ 28.9 billion, of which Equity Office Properties Trust accounts for 37.5 %, making it by far the largest office REIT. (nreionline.com)
[NB: It's reasonable to assume this Fair Value should / would approximate each company's actual equity market cap... on average over time]: (wexboy.wordpress.com)