| 1 |
Nantahala Capital Management, LLC |
3,324,877 |
6,051,000 |
43.19% |
|
|
| 2 |
PERKINS CAPITAL MANAGEMENT INC |
979,610 |
1,783,000 |
12.73% |
|
|
| 3 |
ORBIMED ADVISORS LLC |
878,145 |
1,598,000 |
11.41% |
|
|
| 4 |
VANGUARD GROUP INC |
520,547 |
947,000 |
6.76% |
|
|
| 5 |
RENAISSANCE TECHNOLOGIES LLC |
446,137 |
812,000 |
5.80% |
|
|
| 6 |
Geduld E E |
371,297 |
676,000 |
4.82% |
|
|
| 7 |
DAFNA Capital Management LLC |
353,482 |
643,000 |
4.59% |
|
|
| 8 |
BARD ASSOCIATES INC |
171,970 |
313,000 |
2.23% |
|
|
| 9 |
Teton Advisors, Inc. |
115,000 |
209,000 |
1.49% |
|
|
| 10 |
PERCEPTIVE ADVISORS LLC |
99,008 |
180,000 |
1.28% |
|
|
| 11 |
GEODE CAPITAL MANAGEMENT, LLC |
86,161 |
156,000 |
1.11% |
|
|
| 12 |
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
78,217 |
142,000 |
1.01% |
|
|
| 13 |
DEUTSCHE BANK AG\ |
61,910 |
112,000 |
0.80% |
|
|
| 14 |
NORTHERN TRUST CORP |
49,412 |
90,000 |
0.64% |
|
|
| 15 |
DIMENSIONAL FUND ADVISORS LP |
23,491 |
43,000 |
0.31% |
|
|
| 16 |
BlackRock Institutional Trust Company, N.A. |
22,930 |
42,000 |
0.30% |
|
|
| 17 |
GMT CAPITAL CORP |
21,360 |
39,000 |
0.28% |
|
|
| 18 |
FIRST MANHATTAN CO. LLC. |
21,920 |
39,000 |
0.28% |
|
|
| 19 |
BROWN BROTHERS HARRIMAN & CO |
14,000 |
25,000 |
0.18% |
|
|
| 20 |
Bank of New York Mellon Corp |
14,006 |
25,000 |
0.18% |
|
|
| 21 |
Spark Investment Management LLC |
11,000 |
20,000 |
0.14% |
|
|
| 22 |
SEARLE & CO. |
10,000 |
18,000 |
0.13% |
|
|
| 23 |
BLACKROCK ADVISORS LLC |
6,713 |
12,000 |
0.09% |
|
|
| 24 |
BlackRock Fund Advisors |
5,630 |
10,000 |
0.07% |
|
|
| 25 |
Creative Planning |
3,633 |
7,000 |
0.05% |
|
|
| 26 |
Focused Wealth Management, Inc |
3,360 |
6,000 |
0.04% |
|
|
| 27 |
UBS Group AG |
3,392 |
6,000 |
0.04% |
|
|
| 28 |
ROYAL BANK OF CANADA |
1,526 |
3,000 |
0.02% |
|
|
| 29 |
MANUFACTURERS LIFE INSURANCE COMPANY, THE |
992 |
2,000 |
0.01% |
|
|
| 30 |
BANK OF AMERICA CORP /DE/ |
729 |
1,000 |
0.01% |
|
|
| 31 |
GLOBEFLEX CAPITAL L P |
598 |
1,000 |
0.01% |
|
|
| 32 |
PNC FINANCIAL SERVICES GROUP, INC. |
240 |
0 |
0.00% |
|
|
| 33 |
NEXT Financial Group, Inc |
60 |
0 |
0.00% |
|
|
| 34 |
ADVISOR GROUP, INC. |
260 |
0 |
0.00% |
|
|
