CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Oct. 31, 2019	Jan. 31, 2019
Current assets:
Cash and cash equivalents	$ 587,029	$ 141,250
Marketable securities	255,327	180,169
Accounts receivable, net of allowances	79,658	95,274
Prepaid expenses and other current assets	24,017	10,343
Deferred commissions, current portion	10,043	7,324
Total current assets	956,074	434,360
Property and equipment, net	17,807	10,549
Deferred commissions, net of current portion	25,001	18,904
Goodwill	370,869	209,560
Intangible assets, net	96,848	55,925
Operating lease right-of-use assets	31,657
Other assets	13,325	10,766
Total assets	1,511,581	740,064
Current liabilities:
Accounts payable	3,008	5,485
Accrued expenses and other current liabilities	68,432	41,792
Deferred revenue, current portion	189,490	179,967
Operating lease liabilities, current portion	7,395
Current portion of convertible senior notes, net (Note 9)	183,875	174,615
Total current liabilities	452,200	401,859
Convertible senior notes, net (Note 9)	553,280
Deferred revenue, net of current portion	3,026	2,620
Operating lease liabilities, net of current portion	26,024
Other liabilities	17,555	22,304
Total liabilities	1,052,085	426,783
Commitments and contingencies (Note 10)
Stockholders’ equity:
Preferred stock, $0.0001 par value per share; 25,000,000 shares authorized at October 31, 2019 and January 31, 2019; zero shares issued and outstanding at October 31, 2019 and January 31, 2019
Common stock, $0.0001 par value per share; 625,000,000 shares authorized at October 31, 2019 and January 31, 2019; 63,667,275 and 60,455,381 shares issued and outstanding at October 31, 2019 and January 31, 2019, respectively	7	6
Additional paid-in capital	782,043	567,797
Accumulated other comprehensive income (loss)	(918)	335
Accumulated deficit	(321,636)	(254,857)
Total stockholders’ equity	459,496	313,281
Total liabilities and stockholders’ equity	$ 1,511,581	$ 740,064