Investments

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



	June 30, 2018		December 31, 2017
($ in thousands)
Marketable securities	$	61,401	$	66,424
Equity method investments	12,230		11,098
Nonqualified retirement plan assets	6,909		6,706
Investments in collateralized loan obligations	5,744		23,339
Other investments	925		925
Total investments	$	87,209	$	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 15. The composition of the Company’s marketable securities is summarized as follows:

June 30, 2018



	Cost		Unrealized Loss			Unrealized Gain		Fair Value
($ in thousands)
Marketable securities:
Sponsored funds	$	40,235	$	(895	)	$	1,333	$	40,673
Equity securities	14,018		(10		)	3,000		17,008
Sponsored closed-end funds	3,778		(360		)	302		3,720
Total marketable securities	$	58,031	$	(1,265	)	$	4,635	$	61,401

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 six months ended June 30, 2018, the Company recognized net realized gains of $1.7 million and $1.3 million, respectively, on marketable securities. For the three and six months ended June 30, 2017, the Company recognized net realized losses of $1.8 million and $1.9 million, respectively, on marketable securities.