pre_text: part ii item 5 . market for registrant 2019s common equity , related stockholder matters and issuer purchases of equity securities the following table presents reported quarterly high and low per share sale prices of our common stock on the nyse for the years 2015 and 2014. .
post_text: on february 19 , 2016 , the closing price of our common stock was $ 87.32 per share as reported on the nyse . as of february 19 , 2016 , we had 423897556 outstanding shares of common stock and 159 registered holders . dividends as a reit , we must annually distribute to our stockholders an amount equal to at least 90% ( 90 % ) of our reit taxable income ( determined before the deduction for distributed earnings and excluding any net capital gain ) . generally , we have distributed and expect to continue to distribute all or substantially all of our reit taxable income after taking into consideration our utilization of net operating losses ( 201cnols 201d ) . we have two series of preferred stock outstanding , 5.25% ( 5.25 % ) mandatory convertible preferred stock , series a , issued in may 2014 ( the 201cseries a preferred stock 201d ) , with a dividend rate of 5.25% ( 5.25 % ) , and the 5.50% ( 5.50 % ) mandatory convertible preferred stock , series b ( the 201cseries b preferred stock 201d ) , issued in march 2015 , with a dividend rate of 5.50% ( 5.50 % ) . dividends are payable quarterly in arrears , subject to declaration by our board of directors . the amount , timing and frequency of future distributions will be at the sole discretion of our board of directors and will be dependent upon various factors , a number of which may be beyond our control , including our financial condition and operating cash flows , the amount required to maintain our qualification for taxation as a reit and reduce any income and excise taxes that we otherwise would be required to pay , limitations on distributions in our existing and future debt and preferred equity instruments , our ability to utilize nols to offset our distribution requirements , limitations on our ability to fund distributions using cash generated through our trss and other factors that our board of directors may deem relevant . we have distributed an aggregate of approximately $ 2.3 billion to our common stockholders , including the dividend paid in january 2016 , primarily subject to taxation as ordinary income . during the year ended december 31 , 2015 , we declared the following cash distributions: .
table: 2015 High Low
table: Quarter ended March 31 $101.88 $93.21
table: Quarter ended June 30 98.64 91.99
table: Quarter ended September 30 101.54 86.83
table: Quarter ended December 31 104.12 87.23
table: 2014 High Low
table: Quarter ended March 31 $84.90 $78.38
table: Quarter ended June 30 90.73 80.10
table: Quarter ended September 30 99.90 89.05
table: Quarter ended December 31 106.31 90.20
question: Analyse this data from a financial earnings document. as of february 19 , 2016 what was the market capitalization