Shareholder Breakdown

	Holders	Values ($)	% O/S	Shares
Institution	164	621,894,706.00	80.59	98,401,061
Mutual Fund	242	315,997,990.00	40.95	49,999,682

Institutional Shareholder Rotation

	Holders	Values Change ($)	% O/S	Shares Change
Buyers	73	87,322,505.00	37.78	13,816,852
Sellers	60	-42,840,150.00	19.08	-6,778,505
Net	--	44,482,355.00	18.70	7,038,347

Institutional Shareholder Concentration

	Values ($)	% O/S	Shares
Top 10 Inst.	377,583,609	48.93	59,744,242
Top 20 Inst.	480,744,576.00	62.30	76,067,180
Top 50 Inst.	578,065,737.00	74.91	91,466,098
Total Inst.	621,894,706.00	80.59	98,401,061

Institutional Shareholder Style

	Holders	Values ($)	% O/S	Shares
Growth	73	379,789,164	61.07	60,093,222
Value	37	98,318,014	15.81	15,556,648
GARP	21	15,284,156	2.46	2,418,379
Yield	14	4,359,492	0.70	689,793
Index	8	85,431,473	13.74	13,517,638
Aggressive Growth	6	26,222,823	4.22	4,149,181
Deep Value	5	12,489,584	2.01	1,976,200

Top Holders: Institutional Investor

	Shares Held	% O/S	Shares Change	Filing Date
Silver Lake Financial Management Co. LLC	17,500,000	14.33	0	04/21/2013
Waddell & Reed Investment Management Co.	8,203,400	6.72	0	03/31/2013
The Vanguard Group, Inc.	5,676,137	4.65	112,966	03/31/2013
T. Rowe Price Associates, Inc.	5,605,270	4.59	83,000	03/31/2013
BlackRock Fund Advisors	4,376,132	3.58	-59,301	03/31/2013
Security Investors LLC	4,271,402	3.50	115,121	03/31/2013
Artisan Partners LP	3,997,500	3.27	-125,700	03/31/2013
Wells Capital Management, Inc.	3,892,007	3.19	-27,511	03/31/2013
Blue Harbour Group	3,113,000	2.55	3,113,000	03/31/2013
Walthausen & Co. LLC	3,109,394	2.55	502,460	03/31/2013
Dimensional Fund Advisors, Inc.	2,868,189	2.35	3,960	03/31/2013
Northern Trust Investments, Inc.	2,251,251	1.84	424,817	03/31/2013
AQR Capital Management LLC	1,685,900	1.38	528,000	03/31/2013
SSgA Funds Management, Inc.	1,476,743	1.21	-68,585	03/31/2013
Thompson, Siegel & Walmsley LLC	1,446,835	1.19	-140,294	03/31/2013
Tufton Oceanic (Isle of Man) Ltd.	1,410,000	1.16	1,410,000	03/31/2013
The Dreyfus Corp.	1,408,551	1.15	749,530	03/31/2013
The Boston Company Asset Management LLC	1,287,990	1.06	1,287,990	03/31/2013
Batterymarch Financial Management, Inc.	1,263,620	1.04	1,225,620	03/31/2013
Schroder Investment Management Ltd.	1,223,859	1.00	-20,400	03/31/2013
GAM London Ltd.	1,150,000	0.94	0	03/31/2013
Guggenheim Funds Investment Advisors LLC	1,142,947	0.94	412,240	03/31/2013
Invesco PowerShares Capital Management LLC	1,067,431	0.87	-223,598	03/31/2013
Ecofin Ltd.	1,063,207	0.87	-1,016,098	03/31/2013
Highbridge Capital Management LLC	1,001,686	0.82	133,846	03/31/2013

Ownership data is provided by FactSet, a third party service, and Power-One, Inc. does not maintain or provide information directly to this service.