Investments

At September 30, 2018 and December 31, 2017, the Company's investments were as follows:



	September 30, 2018		December 31, 2017
($ in thousands)
Marketable securities	$	62,330	$	66,424
Equity method investments	9,943		11,098
Nonqualified retirement plan assets	7,409		6,706
Investments in collateralized loan obligations	5,043		23,339
Other investments	406		925
Total investments	$	85,131	$	108,492

Marketable Securities

Marketable securities consist primarily of investments in the Company's sponsored mutual funds, excluding the investments in consolidated investment products discussed in Note 16. The composition of the Company’s marketable securities is summarized as follows:

September 30, 2018



	Cost		Unrealized Loss			Unrealized Gain		Fair Value
($ in thousands)
Marketable securities:
Sponsored funds	$	39,568	$	(983	)	$	1,366	$	39,951
Equity securities	15,903		(9		)	2,747		18,641
Sponsored closed-end funds	3,787		(417		)	368		3,738
Total marketable securities	$	59,258	$	(1,409	)	$	4,481	$	62,330

December 31, 2017



	Cost		Unrealized Loss			Unrealized Gain		Fair Value
($ in thousands)
Marketable securities:
Sponsored funds	$	47,084	$	(1,294	)	$	1,059	$	46,849
Equity securities	13,141		(2		)	2,671		15,810
Sponsored closed-end funds	3,761		(302		)	306		3,765
Total marketable securities	$	63,986	$	(1,598	)	$	4,036	$	66,424

For the three and nine months ended September 30, 2018, the Company recognized net realized gains of $0.6 million and $1.9 million, respectively, on marketable securities. For the three and nine months ended September 30, 2017, the Company recognized a net realized gain of $0.3 million and a net realized loss of $1.6 million, respectively, on marketable securities.