OWNERSHIP PROFILE

SHAREHOLDER BREAKDOWN

Shareholder Holders Value ($MM) % O/S Shares
Institution 55 102.90 73.86 11,624,034
Mutual Fund 70 24.15 17.52 2,767,391
Insider 7 4.45 3.65 574,764

INSTITUTIONAL SHAREHOLDER ROTATION

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 30 8.88 5.48 862,921
Sellers 26 -11.32 8.10 -1,274,493
Net -2.44 2.62 -411,572

INSTITUTIONAL SHAREHOLDER CONCENTRATION

Value ($MM) % O/S Shares
Total Inst. 107.67 77.70 12,229,686
Top 10 Inst. 87.78 64.91 10,215,827
Top 20 Inst. 99.24 72.27 11,373,685
Top 50 Inst. 107.48 77.58 12,209,868

INSTITUTIONAL SHAREHOLDER STYLE

Holders Value ($MM) % Inst Shares Shares
Growth
Aggressive Growth 4 6.38 3.95 620,989
Core Growth 8 13.02 8.03 1,264,587
Growth -- --
Income
Income Value -- -- -- --
Yield -- --
Index 8 10.50 6.65 1,047,179
Other 17 55.15 42.51 6,690,089
Broker Dealer 6 1.31 0.81 127,215
GARP 3 6.65 4.14 650,936
Hedge Fund 8 47.20 37.56 5,911,938
Specialty -- --
VC Private Equity -- -- -- --
Value 13 16.52 11.89 1,871,663
Core Value 9 12.28 9.27 1,458,992
Deep Value 4 4.24 2.62 412,671

TOP HOLDERS: INSTITUTIONAL INVESTOR

Holder Shares Held % O/S Share Change Filing Date
Grace Brothers Management, LLC 5,363,073 34.08 -- 5/28/19
Dimensional Fund Advisors, L.P. 1,100,644 6.99 39,808 3/31/19
Eliot Rose Asset Management, L.L.C. 727,090 4.62 -502,625 12/31/17
Thomson Horstmann & Bryant, Inc. 627,736 3.99 -7,664 3/31/19
Wellington Management Company, LLP 590,927 3.75 -51,500 3/31/19
The Vanguard Group, Inc. 492,875 3.13 48,223 3/31/19
Franklin Mutual Advisers, LLC 383,200 2.43 -43,400 3/31/19
Global X Management Company LLC 345,939 2.20 -17,906 6/30/18
Renaissance Technologies LLC 314,055 2.00 48,055 3/31/19
Popielec (Michael D) 270,288 1.72 -- 5/28/19
Mirae Asset Global Investments (USA) LLC 197,763 1.26 -16,752 3/31/19
Bridgeway Capital Management, Inc. 177,000 1.12 -- 3/31/19
Essex Investment Management Company, LLC 164,926 1.05 -5,660 3/31/19
Millennium Management LLC 109,414 0.70 109,414 3/31/19
Geode Capital Management, L.L.C. 101,423 0.64 30,619 3/31/19
Fain (Philip A) 92,229 0.59 -- 5/28/19
Gabelli Funds, LLC 81,300 0.52 22,000 3/31/19
Teton Advisors, Inc. 81,300 0.52 22,000 3/31/19
Singh (Ranjit C) 79,801 0.51 -- 5/28/19
EAM Investors, LLC 72,702 0.46 72,702 3/31/19
Barclays Bank PLC 72,177 0.46 72,177 3/31/19
Saeli (Thomas Louis) 60,446 0.38 -- 5/28/19
Marshall Wace LLP 57,059 0.36 57,059 3/31/19
Goldman Sachs & Company, Inc. 53,870 0.34 53,870 3/31/19
Shaw (Robert W II) 53,500 0.34 1,500 5/28/19
Susquehanna International Group, LLP 48,770 0.31 48,770 3/31/19
Deutsche Asset Management Americas 44,955 0.29 19,355 3/31/19
Northern Trust Investments, Inc. 38,599 0.25 13,322 3/31/19
Deutsche Bank Securities Inc. 37,306 0.24 37,279 3/31/19
Ancora Advisors, L.L.C. 34,285 0.22 34,285 3/31/19
California Public Employees' Retirement System 31,400 0.20 -- 3/31/19
Tibra Equities Europe, Ltd. 30,888 0.20 30,888 3/31/19
BlackRock Institutional Trust Company, N.A. 29,340 0.19 -3,334 3/31/19
ExodusPoint Capital Management, LP 28,564 0.18 28,564 3/31/19
Acadian Asset Management LLC 27,469 0.17 -8,542 3/31/19
Dimensional Fund Advisors, Ltd. 25,347 0.16 19,542 4/30/19
Anderson (Steven Mark) 18,500 0.12 -- 5/28/19
Carosa Stanton Asset Management, LLC 17,400 0.11 -- 1/31/19
Algert Global LLC 17,140 0.11 -67,949 3/31/19
O'Shaughnessy Asset Management, LLC 17,036 0.11 5,567 3/31/19
Shikiar Asset Management, Inc. 16,500 0.10 -9,500 3/31/19
BlueCrest Capital Management LLP 15,900 0.10 15,900 3/31/19
Citi Investment Research (US) 14,630 0.09 14,630 3/31/19
Barclays Capital Inc. 10,801 0.07 -632 3/31/19
Morgan Stanley & Co. LLC 7,250 0.05 5,437 3/31/19
Tower Research Capital LLC 6,733 0.04 1,469 3/31/19
T. Rowe Price Associates, Inc. 5,800 0.04 -- 3/31/19
METROPOLE Gestion 5,096 0.03 5,096 3/31/19
Vericimetry Advisors LLC 5,000 0.03 -- 3/31/19
Charles Schwab Investment Management, Inc. 4,422 0.03 -- 5/31/19

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* Insider values reflect direct beneficial ownership.