Ownership Profile

Shareholders

Shareholder Holders Value ($MM) % O/S Shares
Institution 48 69.44 74.07 11,441,782
Mutual Fund 50 8.01 9.55 1,475,175
Insider 12 39.49 41.54 6,416,153

Rotation

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 9 0.69 0.73 112,959
Sellers 19 -2.83 3.03 -468,538
Net -- -2.13 2.30 -355,579

Concentration

Value ($MM) % O/S Shares
Total Inst. 69.44 74.07 11,441,782
Top 10 Inst. 63.99 68.49 10,580,228
Top 20 Inst. 68.38 72.96 11,270,823
Top 50 Inst. 69.44 74.07 11,441,782

Style

Holders Value ($MM) % Inst Shares Shares
Growth 7 7.10 7.63 1,178,535
Aggressive Growth 1 1.21 1.30 200,400
Core Growth 6 5.90 6.33 978,135
Income 2 0.13 0.14 21,364
Income Value 2 0.13 0.14 21,364
Index 7 4.62 4.96 765,982
Other 8 2.56 2.77 427,488
Broker Dealer 3 0.10 0.11 16,235
GARP 1 0.15 0.18 27,800
Hedge Fund 3 2.30 2.47 381,880
Specialty 1 0.01 0.01 1,573
Value 9 7.93 8.49 1,312,068
Core Value 7 7.33 7.85 1,212,520
Deep Value 2 0.60 0.64 99,548

Location: Global Region

Holders % O/S Shares Share Change
North America 33 32.40 5,005,435 -39,554
Europe 2 0.12 18,100 12,400
Asia 1 0.01 2,094 -3,624

Top Holders

Holder Shares Held % O/S Share Change Filing Date
Kazimi (A J) 5,705,897 36.94 -- 12/31/18
Stonepine Capital Management, LLC 1,313,429 8.50 95,028 12/31/18
Ariel Investments, LLC 1,179,803 7.64 -110,514 12/31/18
Dimensional Fund Advisors, L.P. 880,248 5.70 1,900 12/31/18
Renaissance Technologies LLC 381,374 2.47 -97 12/31/18
The Vanguard Group, Inc. 314,024 2.03 260 12/31/18
BlackRock Institutional Trust Company, N.A. 305,086 1.97 -9,331 12/31/18
Bridgeway Capital Management, Inc. 200,400 1.30 -5,000 12/31/18
Krogulski (Kenneth J.) 155,300 1.01 20,300 3/23/18
Cearnal (Martin E) 144,667 0.94 13,751 3/23/18

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
Vanguard Total Stock Market Index Fund 252,625 1.64 54,501 2/28/19
DFA U.S. Micro Cap Portfolio 169,380 1.10 -- 10/31/18
Bridgeway Ultra-Small Company Market Fund 152,500 0.99 -5,000 12/31/18
DFA U.S. Small Cap Portfolio 138,305 0.90 -- 10/31/18
DFA U.S. Targeted Value Portfolio 100,209 0.65 -- 10/31/18
Ariel Discovery Fund 83,519 0.54 8,100 12/31/18
Vanguard Extended Market Index Fund 83,401 0.54 -- 2/28/19
DFA Tax-Managed U.S. Targeted Value Portfolio 79,757 0.52 3,900 10/31/18
DFA Tax-Managed U.S. Small Cap Portfolio 43,217 0.28 -- 10/31/18
DFA U.S. Core Equity 2 Portfolio 40,261 0.26 -- 10/31/18

* Insider values reflect direct beneficial ownership.

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