| ArrowMark Colorado Holdings, LLC |
1,532,129 |
9.85 |
-99,697 |
6/30/19 |
| iSystems Holdings, L.L.C. |
1,026,332 |
6.60 |
-- |
4/2/19 |
| Red Oak Partners, LLC |
942,970 |
6.06 |
-- |
4/2/19 |
| Pacific Ridge Capital Partners, LLC |
870,454 |
5.60 |
74,098 |
6/30/19 |
| The Vanguard Group, Inc. |
771,649 |
4.96 |
-107,532 |
6/30/19 |
| Goepel (Patrick) |
740,097 |
4.76 |
-- |
6/30/19 |
| Royce & Associates, LP |
698,517 |
4.49 |
314,917 |
6/30/19 |
| PenderFund Capital Management, Ltd. |
402,696 |
2.59 |
-182,955 |
6/30/19 |
| Skylands Capital, LLC |
378,550 |
2.43 |
154,946 |
6/30/19 |
| Unterberg Capital, LLC |
340,000 |
2.19 |
340,000 |
9/30/18 |
| Dimensional Fund Advisors, L.P. |
278,871 |
1.79 |
-1,540 |
6/30/19 |
| Perritt Capital Management, Inc. |
233,400 |
1.50 |
20,000 |
6/30/19 |
| BlackRock Institutional Trust Company, N.A. |
217,060 |
1.40 |
-435,732 |
6/30/19 |
| Alyeska Investment Group, L.P. |
204,984 |
1.32 |
-145,016 |
6/30/19 |
| Waterfield (John Randall) |
148,136 |
0.95 |
-- |
4/2/19 |
| Northern Trust Investments, Inc. |
133,765 |
0.86 |
-5,330 |
6/30/19 |
| SEI Investments Management Corporation |
123,294 |
0.79 |
-2,493 |
7/31/19 |
| Bard Associates Inc. |
114,093 |
0.73 |
-- |
6/30/19 |
| Altair Advisers LLC |
113,600 |
0.73 |
8,970 |
6/30/19 |
| Florida State Board of Administration |
107,847 |
0.69 |
-22,536 |
3/31/19 |
| Parametric Portfolio Associates LLC |
104,621 |
0.67 |
1,236 |
6/30/19 |
| S Squared Technology, LLC |
94,108 |
0.61 |
16,461 |
6/30/19 |
| Geode Capital Management, L.L.C. |
91,005 |
0.59 |
-47,624 |
6/30/19 |
| New Jersey Division of Investment |
85,000 |
0.55 |
-6,000 |
6/30/19 |
| Millennium Management LLC |
69,101 |
0.44 |
69,101 |
6/30/19 |
| Paloma Partners Management Company |
67,500 |
0.43 |
67,500 |
6/30/19 |
| Perkins Capital Management, Inc. |
65,000 |
0.42 |
-5,000 |
6/30/19 |
| JB Capital Partners, L.P. |
60,000 |
0.39 |
-- |
6/30/19 |
| Columbia Threadneedle Investments (US) |
56,000 |
0.36 |
56,000 |
6/30/19 |
| Raymond James Financial Services Advisors, Inc. |
55,285 |
0.36 |
-3,540 |
6/30/19 |
| Marshall Wace LLP |
52,134 |
0.34 |
-287,008 |
6/30/19 |
| J.P. Morgan Securities LLC |
49,156 |
0.32 |
-925 |
6/30/19 |
| T. Rowe Price Associates, Inc. |
36,880 |
0.24 |
-166 |
6/30/19 |
| California Public Employees' Retirement System |
33,555 |
0.22 |
-- |
6/30/19 |
| ACG Wealth Inc. |
25,675 |
0.17 |
600 |
6/30/19 |
| BNY Mellon Asset Management |
23,849 |
0.15 |
-22,346 |
6/30/19 |
| Behrent (Matthew K) |
23,189 |
0.15 |
2,000 |
8/24/18 |
| Sandberg (David) |
22,415 |
0.14 |
-5,000 |
4/2/19 |
| Luther King Capital Management Corp. |
21,897 |
0.14 |
-- |
9/30/18 |
| Algert Global LLC |
21,893 |
0.14 |
1,148 |
6/30/19 |
| Susquehanna International Group, LLP |
21,713 |
0.14 |
-15,979 |
6/30/19 |
| Pertierra (Adrian Justin) |
21,447 |
0.14 |
-- |
4/2/19 |
| Karbowski (James Joseph) |
20,901 |
0.13 |
-9,099 |
4/2/19 |
| Commonwealth Financial Network |
20,431 |
0.13 |
13 |
6/30/19 |
| First Interstate Bank |
18,900 |
0.12 |
-5,000 |
6/30/19 |
| Wilmington Trust Investment Advisors, Inc. |
12,943 |
0.08 |
-- |
6/30/19 |
| Ancora Advisors, L.L.C. |
12,740 |
0.08 |
-- |
6/30/19 |
| Leap Investments LP |
11,800 |
0.08 |
11,800 |
6/30/19 |
| Goldman Sachs Asset Management (US) |
10,789 |
0.07 |
10,789 |
6/30/19 |
| BofA Securities, Inc |
9,490 |
0.06 |
9,490 |
6/30/19 |
