| Grace Brothers Management, LLC |
5,363,073 |
34.02 |
-- |
5/28/19 |
| Dimensional Fund Advisors, L.P. |
1,125,813 |
7.14 |
25,169 |
6/30/19 |
| Eliot Rose Asset Management, L.L.C. |
727,090 |
4.61 |
-502,625 |
12/31/17 |
| THB Asset Management |
641,122 |
4.07 |
13,386 |
6/30/19 |
| The Vanguard Group, Inc. |
511,044 |
3.24 |
18,169 |
6/30/19 |
| Wellington Management Company, LLP |
479,427 |
3.04 |
-111,500 |
6/30/19 |
| Franklin Mutual Advisers, LLC |
380,902 |
2.42 |
-2,298 |
6/30/19 |
| Renaissance Technologies LLC |
338,000 |
2.14 |
23,945 |
6/30/19 |
| Popielec (Michael D) |
270,288 |
1.71 |
-- |
5/28/19 |
| Mirae Asset Global Investments (USA) LLC |
231,168 |
1.47 |
33,405 |
6/30/19 |
| Essex Investment Management Company, LLC |
192,640 |
1.22 |
27,714 |
6/30/19 |
| BlackRock Institutional Trust Company, N.A. |
166,062 |
1.05 |
136,722 |
6/30/19 |
| Teton Advisors, Inc. |
126,200 |
0.80 |
44,900 |
6/30/19 |
| Geode Capital Management, L.L.C. |
104,258 |
0.66 |
2,835 |
6/30/19 |
| Fain (Philip A) |
92,229 |
0.59 |
-- |
5/28/19 |
| Susquehanna International Group, LLP |
83,179 |
0.53 |
34,409 |
6/30/19 |
| Gabelli Funds, LLC |
81,300 |
0.52 |
22,000 |
3/31/19 |
| DIM Funds SICAV S.A. |
80,000 |
0.51 |
80,000 |
3/31/19 |
| Singh (Ranjit C) |
79,801 |
0.51 |
-- |
5/28/19 |
| Bridgeway Capital Management, Inc. |
79,000 |
0.50 |
-98,000 |
6/30/19 |
| Saeli (Thomas Louis) |
60,446 |
0.38 |
-- |
5/28/19 |
| Deutsche Asset Management Americas |
54,464 |
0.35 |
9,509 |
6/30/19 |
| Shaw (Robert W II) |
53,500 |
0.34 |
1,500 |
5/28/19 |
| Ancora Advisors, L.L.C. |
53,265 |
0.34 |
18,980 |
6/30/19 |
| Millennium Management LLC |
47,258 |
0.30 |
-62,156 |
6/30/19 |
| Marshall Wace LLP |
34,959 |
0.22 |
-22,100 |
6/30/19 |
| California Public Employees' Retirement System |
31,400 |
0.20 |
-- |
6/30/19 |
| Northern Trust Investments, Inc. |
29,743 |
0.19 |
-8,856 |
6/30/19 |
| METROPOLE Gestion |
27,387 |
0.17 |
22,291 |
6/30/19 |
| Dimensional Fund Advisors, Ltd. |
27,247 |
0.17 |
-- |
6/30/19 |
| Shikiar Asset Management, Inc. |
23,228 |
0.15 |
6,728 |
6/30/19 |
| O'Shaughnessy Asset Management, LLC |
23,144 |
0.15 |
6,108 |
6/30/19 |
| Squarepoint Capital LLP |
19,052 |
0.12 |
19,052 |
6/30/19 |
| Anderson (Steven Mark) |
18,500 |
0.12 |
-- |
5/28/19 |
| Carosa Stanton Asset Management, LLC |
17,400 |
0.11 |
-- |
1/31/19 |
| Acadian Asset Management LLC |
11,961 |
0.08 |
-15,508 |
6/30/19 |
| State Street Global Advisors (US) |
10,686 |
0.07 |
10,686 |
6/30/19 |
| Brandywine Global Investment Management, LLC |
7,450 |
0.05 |
7,450 |
6/30/19 |
| Morgan Stanley & Co. LLC |
6,506 |
0.04 |
-744 |
6/30/19 |
| T. Rowe Price Associates, Inc. |
5,800 |
0.04 |
-- |
6/30/19 |
| Vericimetry Advisors LLC |
5,000 |
0.03 |
-- |
3/31/19 |
| Charles Schwab Investment Management, Inc. |
4,422 |
0.03 |
-- |
6/30/19 |
| Wells Capital Management Inc. |
3,972 |
0.03 |
3,972 |
6/30/19 |
| Invesco Capital Management LLC |
3,181 |
0.02 |
-454 |
1/31/19 |
| Vanguard Global Advisers LLC |
3,000 |
0.02 |
-- |
6/30/19 |
| Wells Fargo Bank, N.A. |
2,802 |
0.02 |
2,802 |
6/30/19 |
| Deutsche Bank Securities Inc. |
2,306 |
0.01 |
-35,000 |
6/30/19 |
| BlackRock Investment Management, LLC |
2,075 |
0.01 |
273 |
6/30/19 |
| AXA Rosenberg Investment Management LLC |
2,075 |
0.01 |
273 |
6/30/19 |
| Northern Trust Global Investments |
2,022 |
0.01 |
-- |
6/30/19 |
