Ownership Profile

SHAREHOLDER BREAKDOWN

Shareholder	Holders	Value ($MM)	% O/S	Shares
Institution	198	895.31	100.69	42,527,327
Mutual Fund	266	438.72	48.78	20,602,487
Insider	7	7.22	0.73	308,714

INSTITUTIONAL SHAREHOLDER ROTATION

Shareholder	Holders	Value Chg ($MM)	% O/S	Share Change
Buyers	107	96.39	11.04	4,662,691
Sellers	81	-82.59	9.41	-3,976,274
Net	--	13.79	1.63	686,417

INSTITUTIONAL SHAREHOLDER CONCENTRATION

	Value ($MM)	% O/S	Shares
Total Inst.	895.31	100.69	42,527,327
Top 10 Inst.	499.26	56.25	23,757,228
Top 20 Inst.	680.59	76.42	32,278,128
Top 50 Inst.	833.83	93.76	39,600,521

INSTITUTIONAL SHAREHOLDER STYLE

	Holders	Value ($MM)	% Inst Shares	Shares
Growth	43	150.66	17.23	7,277,932
Aggressive Growth	1	0.03	--	1,488
Core Growth	33	73.56	8.43	3,561,441
Growth	9	77.07	8.80	3,715,003
Income	5	13.45	1.54	650,994
Income Value	2	12.06	1.38	584,102
Yield	3	1.39	0.16	66,892
Index	21	170.75	19.57	8,267,922
Other	64	422.34	48.27	20,388,894
Broker Dealer	9	4.49	0.51	217,189
GARP	23	241.50	27.65	11,680,306
Hedge Fund	30	153.21	17.55	7,412,024
Specialty	1	0.11	0.01	5,059
VC/Private Equi	1	23.03	2.54	1,074,316
Value	29	22.69	2.60	1,096,281
Core Value	23	18.81	2.15	908,381
Deep Value	6	3.88	0.44	187,900

TOP HOLDERS: INSTITUTIONAL INVESTOR

Holder	Shares Held	% O/S	Share Change	Filing Date
OppenheimerFunds, Inc.	4,109,540	9.73	160,170	6/30/18
Bellevue Asset Management AG	3,257,325	7.71	93,762	6/30/18
Fidelity Management & Research Company	3,041,194	7.20	-369,841	6/30/18
BlackRock Institutional Trust Company, N.A.	2,872,799	6.80	436,938	6/30/18
T. Rowe Price Associates, Inc.	2,235,971	5.29	-23,020	6/30/18
The Vanguard Group, Inc.	2,104,604	4.98	415,381	6/30/18
Johnson & Johnson	1,923,077	4.55	--	3/23/18
State Street Global Advisors (US)	1,517,112	3.59	476,510	6/30/18
EcoR1 Capital, LLC	1,450,606	3.43	--	6/30/18
Boxer Capital, L.L.C.	1,245,000	2.95	-955,000	6/30/18
Point72 Asset Management, L.P.	1,084,417	2.57	--	6/30/18
InterWest Partners	1,074,316	2.54	--	9/30/18
Wasatch Advisors, Inc.	1,011,100	2.39	-3,936	6/30/18
Koenig (Scott)	1,004,358	2.38	79,898	3/23/18
Aviva Holdings Ltd.	977,426	2.31	--	6/30/18
Voya Investment Management LLC	905,752	2.14	542,319	6/30/18
Pinnacle Associates Ltd.	681,940	1.61	-108,160	6/30/18
Hood River Capital Management LLC	672,419	1.59	26,310	6/30/18
Prosight Capital	618,515	1.46	173,515	6/30/18
Columbia Wanger Asset Management, LLC	490,657	1.16	153,929	6/30/18
UBS Asset Management (Switzerland)	487,024	1.15	142,282	6/30/18
Franklin Advisers, Inc.	479,615	1.14	115	6/30/18
Northern Trust Investments, Inc.	466,407	1.10	76,902	6/30/18
Millennium Management LLC	425,299	1.01	-472,683	6/30/18
Spark Investment Management LLC	379,000	0.90	153,000	6/30/18
Geode Capital Management, L.L.C.	377,102	0.89	63,242	6/30/18
Rhenman & Partners Asset Management AB	341,586	0.81	16,586	9/30/18
Invesco Capital Management LLC	307,864	0.73	293,486	6/30/18
Dimensional Fund Advisors, L.P.	288,984	0.68	-500	6/30/18
Rock Springs Capital Management LP	275,000	0.65	--	6/30/18
Renaissance Technologies LLC	272,399	0.64	-126,924	6/30/18
683 Capital Management LLC	262,600	0.62	12,600	6/30/18
Candriam Belgium S.A.	249,600	0.59	158,000	8/31/18
Granahan Investment Management, Inc.	239,991	0.57	20,727	6/30/18
Nuveen LLC	239,801	0.57	96,778	6/30/18
Charles Schwab Investment Management, Inc.	226,040	0.54	51,577	6/30/18
Baker Bros. Advisors LP	217,695	0.52	-145,981	6/30/18
Arctic Fund Management AS	193,517	0.46	-85,890	8/31/18
Jacobs Levy Equity Management, Inc.	168,270	0.40	30,773	6/30/18
Victory Capital Management Inc.	167,170	0.40	-9,430	6/30/18
Bonvini Ezio	154,208	0.37	53,264	3/23/18
Principal Global Investors (Equity)	154,121	0.36	70,407	6/30/18
Eventide Asset Management, LLC	147,000	0.35	--	6/30/18
Citadel LLC	134,173	0.32	35,043	6/30/18
BlackRock Investment Management, LLC	132,157	0.31	12,842	6/30/18
Karrels (James)	114,847	0.27	6,516	3/23/18
Vident Investment Advisory, LLC	111,449	0.26	21,716	6/30/18
Columbia Threadneedle Investments (US)	109,300	0.26	8,920	6/30/18
BNY Mellon Asset Management	104,487	0.25	14,764	6/30/18
Allianz Global Investors U.S. LLC	95,687	0.23	26,743	6/30/18

* Insider values reflect direct beneficial ownership.