Ownership Profile

Shareholders

Shareholder Holders Value ($MM) % O/S Shares
Institution 51 80.64 76.86 12,075,380
Mutual Fund 51 9.57 9.52 1,495,562
Insider 11 43.75 42.06 6,608,403

Rotation

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 14 1.33 1.27 199,389
Sellers 16 -1.24 1.18 -186,041
Net -- 0.09 0.09 13,348

Concentration

Value ($MM) % O/S Shares
Total Inst. 80.64 76.86 12,075,380
Top 10 Inst. 72.46 69.04 10,847,306
Top 20 Inst. 78.81 75.10 11,798,202
Top 50 Inst. 80.63 76.86 12,074,949

Style

Holders Value ($MM) % Inst Shares Shares
Growth 8 8.65 8.24 1,294,443
Aggressive Growth 1 1.90 1.81 283,700
Core Growth 6 6.63 6.32 992,243
Growth 1 0.12 0.12 18,500
Income 2 0.14 0.14 21,364
Income Value 2 0.14 0.14 21,364
Index 10 7.12 6.78 1,065,366
Other 9 3.99 3.82 600,568
Broker Dealer 2 0.13 0.12 19,520
GARP 2 0.21 0.22 34,059
Hedge Fund 4 3.63 3.46 543,673
Specialty 1 0.02 0.02 3,316
Value 7 7.70 7.33 1,152,114
Core Value 5 6.97 6.64 1,043,031
Deep Value 2 0.73 0.69 109,083

Location: Global Region

Holders % O/S Shares Share Change
North America 37 34.66 5,444,718 19,457
Europe 3 0.14 22,259 18,659

Top Holders

Holder Shares Held % O/S Share Change Filing Date
Kazimi (A J) 5,905,897 37.59 75,627 3/23/18
Stonepine Capital Management, LLC 1,323,041 8.42 16,130 3/31/18
Ariel Investments, LLC 1,013,926 6.45 103,850 3/31/18
Dimensional Fund Advisors, L.P. 883,085 5.62 -5,326 3/31/18
Renaissance Technologies LLC 353,500 2.25 23,200 3/31/18
BlackRock Institutional Trust Company, N.A. 330,721 2.11 -40,235 3/31/18
The Vanguard Group, Inc. 313,764 2.00 -2,473 3/31/18
Bridgeway Capital Management, Inc. 283,700 1.81 -- 3/31/18
New York State Common Retirement Fund 260,730 1.66 2,754 3/31/18
JW Asset Management, LLC 178,942 1.14 -84,939 3/31/18

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
Vanguard Total Stock Market Index Fund 194,545 1.24 -- 6/30/18
Bridgeway Ultra-Small Company Market Fund 192,500 1.23 -- 3/31/18
DFA U.S. Micro Cap Portfolio 169,380 1.08 -- 4/30/18
DFA U.S. Small Cap Portfolio 138,305 0.88 -- 4/30/18
DFA U.S. Targeted Value Portfolio 100,209 0.64 -- 4/30/18
Vanguard Extended Market Index Fund 83,401 0.53 -- 6/30/18
Ariel Discovery Fund 75,119 0.48 61,045 6/30/18
DFA Tax-Managed U.S. Targeted Value Portfolio 72,567 0.46 1,601 4/30/18
DFA U.S. Core Equity 2 Portfolio 40,261 0.26 1,800 4/30/18
DFA Tax-Managed U.S. Small Cap Portfolio 39,913 0.25 505 4/30/18

* Insider values reflect direct beneficial ownership.

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