Supplemental Financial Information

12 Months Ended

Dec. 31, 2014

Supplemental Financial Information [Abstract]

Quarterly Financial Information [Text Block]

Supplemental Financial Information

The following table presents unaudited quarterly results of operations for 2014 and 2013. These quarterly results reflect all normal recurring adjustments that are, in the opinion of management, necessary for a fair presentation of the results. Revenues and net income (loss) can vary significantly from quarter to quarter due to the nature of the Company's business activities.

Cowen Group, Inc.

Quarterly Financial Information (Unaudited)

	Quarter Ended
	March 31, 2014		June 30, 2014		September 30, 2014		December 31, 2014
	(in thousands)
Total revenues	$	106,677	$	92,902	$	107,101	$	121,096
Net Income (loss) before income taxes	14,106		13,644		10,670		19,416
Income tax expense (benefit)	79		46		141		(125,210		)
Net income (loss) from continuing operations	14,027		13,598		10,529		144,626
Net Income (loss) attributable to redeemable non-controlling interests in consolidated subsidiaries and funds	4,187		5,216		4,006		2,155
Net income (loss) attributable to Cowen Group, Inc. stockholders	$	9,840	$	8,382	$	6,523	$	142,471
Earnings (loss) per share:
Basic	$	0.09	$	0.07	$	0.06	$	1.26
Diluted	$	0.08	$	0.07	$	0.05	$	1.21
Weighted average number of common shares:
Basic	115,680		115,569		114,969		113,492
Diluted	122,898		120,199		118,801		118,222

	Quarter Ended
	March 31, 2013			June 30, 2013		September 30, 2013			December 31, 2013
	(in thousands)
Total revenues	$	68,329		$	81,933	$	81,912		$	96,345
Net Income (loss) before income taxes	1,095			3,506		8,324			5,372
Income tax expense (benefit)	176			158		(46		)	169
Net income (loss) from continuing operations	919			3,348		8,370			5,203
Net Income (loss) attributable to redeemable non-controlling interests in consolidated subsidiaries and funds	3,495			2,255		4,759			2,684
Net income (loss) attributable to Cowen Group, Inc. stockholders	$	(2,576	)	$	1,093	$	3,611		$	2,519
Earnings (loss) per share:
Basic	$	(0.02	)	$	0.01	$	0.03		$	0.02
Diluted	$	(0.02	)	$	0.01	$	0.03		$	0.02
Weighted average number of common shares:
Basic	113,798			117,235		118,359			117,514
Diluted	113,798			120,901		122,708			123,573