Investments, at Fair Value (Tables)

6 Months Ended

Jun. 30, 2012

Investments, at Fair Value [Abstract]

Investments, at fair value

	Fair value at						Fair value as a percentage of investments of consolidated funds at
Investments:	June 30,     2012			December 31, 2011			June 30,     2012			December 31, 2011
United States:
Fixed income securities:
Consumer discretionary	$	7,055,583		$	7,656,687			18.2	%		19.9	%
Consumer staples		597,680			394,897			1.5			1.0
Energy		447,123			551,850			1.2			1.4
Financials		1,524,608			1,398,771			3.9			3.6
Health care		583,012			508,947			1.5			1.3
Industrials		2,608,092			2,976,294			6.7			7.7
Information technology		810,749			764,642			2.1			2.0
Materials		782,114			1,050,651			2.0			2.7
Telecommunication services		201,276			262,830			0.5			0.7
Utilities		1,993,041			2,108,998			5.1			5.5
Total fixed income securities (cost: $15,708,412 and $16,966,996 at June 30, 2012 and December 31, 2011, respectively)		16,603,278			17,674,567			42.7			45.8
Equity securities:
Consumer discretionary		3,298,135			3,189,373			8.6			8.3
Consumer staples		550,334			299,673			1.4			0.8
Energy		504,147			542,490			1.3			1.4
Financials		4,438,835			3,296,925			11.4			8.5
Health care		128,737			140,509			0.3			0.4
Industrials		1,158,670			1,021,423			3.0			2.6
Information technology		83,479			72,613			0.2			0.2
Materials		1,253,566			1,490,285			3.2			3.9
Telecommunication services		14,398			458,033			0.0			1.2
Utilities		183,550			13,050			0.5			0.0
Total equity securities (cost: $10,591,279 and $10,088,110 at June 30, 2012 and December 31, 2011, respectively)		11,613,851			10,524,374			29.9			27.3
Europe:
Fixed income securities:
Consumer discretionary		1,771,265			1,369,006			4.6			3.5
Consumer staples		324,106			366,268			0.8			1.0
Energy		162,811			68,689			0.4			0.2
Financials	$	527,026		$	458,177			1.3	%		1.2	%
Health care		30,143			52,098			0.1			0.1
Industrials		530,193			550,122			1.4			1.4
Information technology		24,628			40,348			0.1			0.1
Materials		666,055			697,314			1.7			1.8
Telecommunication services		75,316			28,835			0.2			0.1
Utilities		28,318			48,093			0.1			0.1
Total fixed income securities (cost: $4,166,233 and $3,723,747 at June 30, 2012 and December 31, 2011, respectively)		4,139,861			3,678,950			10.7			9.5
Equity securities:
Consumer discretionary		127,087			220,504			0.3			0.6
Consumer staples		1,243,479			1,258,840			3.2			3.3
Energy		92,586			—			0.3			—
Financials		1,057,493			896,977			2.7			2.3
Industrials		1,336			6,239			0.0			0.0
Materials		593,820			713,933			1.5			1.8
Total equity securities (cost: $2,467,859 and $2,352,879 at June 30, 2012 and December 31, 2011, respectively)		3,115,801			3,096,493			8.0			8.0
Asia and other:
Fixed income securities:
Consumer discretionary		1,164,354			1,274,605			3.0			3.3
Consumer staples		4,539			6,821			0.0			0.0
Energy		61,650			221,786			0.2			0.6
Financials		22,564			31,726			0.1			0.1
Health care		4,839			—			0.0			—
Industrials		58,123			27,996			0.1			0.1
Information technology		29,489			94,727			0.1			0.2
Materials		77,931			64,049			0.2			0.2
Telecommunication services		2,561			2,186			0.0			0.0
Utilities		134,757			129,356			0.3			0.3
Total fixed income securities (cost: $1,535,156 and $1,789,520 at June 30, 2012 and December 31, 2011, respectively)		1,560,807			1,853,252			4.0			4.8
Asia and other:
Equity securities:
Consumer discretionary	$	109,378		$	125,039			0.3	%		0.3	%
Consumer staples		73,023			80,728			0.2			0.2
Energy		32,456			55,973			0.1			0.1
Financials		770,979			801,538			2.0			2.1
Health care		83			76			0.0			0.0
Industrials		645,290			491,080			1.7			1.3
Information technology		66,197			63,949			0.2			0.2
Materials		76,613			54,714			0.2			0.1
Telecommunication services		5,842			16,073			0.0			0.0
Utilities		22,153			97,420			0.0			0.3
Total equity securities (cost: $1,685,205 and $1,607,983 at June 30, 2012 and December 31, 2011, respectively)		1,802,014			1,786,590			4.7			4.6
Total fixed income securities		22,303,946			23,206,769			57.4			60.1
Total equity securities		16,531,666			15,407,457			42.6			39.9
Total investments, at fair value	$	38,835,612		$	38,614,226			100.0	%		100.0	%
Securities sold short:
Fixed income securities	$	—		$	(12,450	)
Equity securities		(188,183	)		(201,277	)
Total securities sold short, at fair value	$	(188,183	)	$	(213,727	)

Net gains (losses) from investment activities of consolidated funds

	Three Months Ended June 30, 2012						Three Months Ended June 30, 2011
	Net realized gain (loss) on investments			Net change in unrealized appreciation (depreciation) on investments			Net realized gain (loss) on investments			Net change in unrealized appreciation (depreciation) on investments
Investments and other financial instruments	$	726,150		$	(302,518	)	$	435,759		$	(600,415	)
Total return and credit default swaps  (a)		19,538			18,938			7,382			(4,710	)
Foreign currency forward contracts  (a)		(1,913	)		98,624			72,764			(122,643	)
Options and futures (a)		(10,254	)		4,740			(2,322	)		(9,594	)
Total	$	733,521		$	(180,216	)	$	513,583		$	(737,362	)
	Six Months Ended June 30, 2012						Six Months Ended June 30, 2011
	Net realized gain (loss) on investments			Net change in unrealized appreciation (depreciation) on investments			Net realized gain (loss) on investments			Net change in unrealized appreciation (depreciation) on investments
Investments and other financial instruments	$	1,726,808		$	587,203		$	1,603,817		$	(53,202	)
Total return and credit default swaps  (a)		30,464			36,122			12,727			20,953
Foreign currency forward contracts  (a)		62,904			(2,194	)		(338,613	)		10,442
Options and futures (a)		(12,517	)		4,476			(4,087	)		(36,927	)
Total	$	1,807,659		$	625,607		$	1,273,844		$	(58,734	)

(a) Please see note 5 for additional information.