Ownership Profile

SHAREHOLDER BREAKDOWN

Shareholder Holders Value ($MM) % O/S Shares
Institution 106 93.92 79.29 12,214,347
Mutual Fund 121 24.24 26.23 4,040,934
Insider 9 14.10 6.09 938,185

INSTITUTIONAL SHAREHOLDER ROTATION

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 41 17.63 18.63 2,869,841
Sellers 49 -14.88 19.00 -2,927,137
Net -- 2.74 0.37 -57,296

INSTITUTIONAL SHAREHOLDER CONCENTRATION

Value ($MM) % O/S Shares
Total Inst. 93.92 79.29 12,214,347
Top 10 Inst. 64.81 51.41 7,920,296
Top 20 Inst. 79.90 65.62 10,108,683
Top 50 Inst. 91.27 76.73 11,820,907

INSTITUTIONAL SHAREHOLDER STYLE

Holders Value ($MM) % Inst Shares Shares
Growth 23 7.08 7.96 1,225,563
Aggressive Growth 2 1.69 1.29 198,905
Core Growth 18 5.13 6.33 975,633
Growth 3 0.26 0.33 51,025
Income 1 0.24 0.31 47,015
Income Value 1 0.24 0.31 47,015
Index 17 11.34 13.30 2,048,365
Other 26 22.66 20.14 3,103,304
Broker Dealer 10 2.25 2.88 443,655
GARP 4 0.38 0.49 74,921
Hedge Fund 11 19.19 15.89 2,447,593
Specialty 1 0.84 0.89 137,135
Value 17 16.52 21.03 3,239,157
Core Value 13 5.81 7.34 1,131,341
Deep Value 4 10.72 13.68 2,107,816

TOP HOLDERS: INSTITUTIONAL INVESTOR

Holder Shares Held % O/S Share Change Filing Date
ArrowMark Colorado Holdings, LLC 1,829,582 11.88 811,685 12/31/18
iSystems Holdings, L.L.C. 1,026,332 6.66 -500,000 6/14/18
Red Oak Partners, LLC 942,970 6.12 -- 3/19/18
The Vanguard Group, Inc. 729,867 4.74 100,589 12/31/18
Goepel (Patrick) 670,097 4.35 10,000 8/24/18
Alyeska Investment Group, L.P. 660,000 4.28 285,000 12/31/18
BlackRock Institutional Trust Company, N.A. 653,027 4.24 -3,629 12/31/18
Pacific Ridge Capital Partners, LLC 536,825 3.48 33,306 12/31/18
PenderFund Capital Management, Ltd. 485,651 3.15 -73,100 12/31/18
Marshall Wace LLP 385,945 2.51 198,233 12/31/18
Unterberg Capital, LLC 340,000 2.21 340,000 9/30/18
Dimensional Fund Advisors, L.P. 312,340 2.03 -397 12/31/18
Prescott Group Capital Management, LLC 300,088 1.95 300,088 12/31/18
Allianz Global Investors U.S. LLC 274,113 1.78 -5,634 12/31/18
Perritt Capital Management, Inc. 208,800 1.36 -19,700 12/31/18
J.P. Morgan Securities LLC 176,137 1.14 139,015 12/31/18
State Street Global Advisors (US) 149,471 0.97 -211 12/31/18
Waterfield (John Randall) 148,136 0.96 2,000 8/24/18
Morgan Stanley & Co. LLC 139,893 0.91 120,014 12/31/18
Northern Trust Investments, Inc. 139,409 0.90 -303 12/31/18
SEI Investments Management Corporation 137,135 0.89 -8,846 3/31/19
Geode Capital Management, L.L.C. 132,250 0.86 6,418 12/31/18
Florida State Board of Administration 130,383 0.85 74,263 3/31/18
Bard Associates Inc. 113,993 0.74 -- 12/31/18
Jacobs Levy Equity Management, Inc. 104,728 0.68 -- 8/31/17
Parametric Portfolio Associates LLC 94,177 0.61 45,316 12/31/18
New Jersey Division of Investment 94,000 0.61 8,000 12/31/18
Jane Street Capital, L.L.C. 81,267 0.53 81,267 12/31/18
Altair Advisers LLC 80,030 0.52 2,310 2/28/19
Deutsche Asset Management Americas 60,715 0.39 34,726 12/31/18
Raymond James Financial Services Advisors, Inc. 59,600 0.39 247 12/31/18
Renaissance Technologies LLC 48,300 0.31 -79,500 12/31/18
BNY Mellon Asset Management 47,015 0.31 15,635 12/31/18
Monarch Partners Asset Management LLC 41,689 0.27 -12,911 12/31/18
Citadel LLC 38,136 0.25 19,189 12/31/18
Skylands Capital, LLC 37,309 0.24 -333,725 12/31/18
Royce & Associates, LP 37,100 0.24 37,100 1/31/19
T. Rowe Price Associates, Inc. 37,046 0.24 11,900 12/31/18
Nuveen LLC 33,915 0.22 7,574 12/31/18
California Public Employees' Retirement System 33,555 0.22 -- 12/31/18
Spark Investment Management LLC 33,000 0.21 33,000 12/31/18
BlackRock Investment Management, LLC 32,334 0.21 -337 12/31/18
Sepio Capital, LLC 31,660 0.21 31,660 12/31/18
Karbowski (James Joseph) 30,000 0.19 10,000 8/24/18
Sandberg (David) 27,415 0.18 2,000 8/24/18
Charles Schwab Investment Management, Inc. 23,660 0.15 -3,700 12/31/18
Behrent (Matthew K) 23,189 0.15 2,000 8/24/18
Commonwealth Financial Network 23,058 0.15 -5,000 12/31/18
Cubist Systematic Strategies, LLC 22,890 0.15 22,773 12/31/18
ACG Wealth Inc. 22,675 0.15 22,675 12/31/18

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* Insider values reflect direct beneficial ownership.