| 1 |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
2,557,142 |
6,853,000 |
21.22% |
|
|
| 2 |
Cortina Asset Management, LLC |
1,763,618 |
4,726,000 |
14.63% |
|
|
| 3 |
ORBIMED ADVISORS LLC |
1,363,500 |
3,654,000 |
11.32% |
|
|
| 4 |
PERKINS CAPITAL MANAGEMENT INC |
1,310,011 |
3,511,000 |
10.87% |
|
|
| 5 |
Manatuck Hill Partners, LLC |
709,336 |
1,901,000 |
5.89% |
|
|
| 6 |
PERCEPTIVE ADVISORS LLC |
668,287 |
1,791,000 |
5.55% |
|
|
| 7 |
Rothschild Capital Partners, LLC |
579,112 |
1,552,000 |
4.81% |
|
|
| 8 |
VANGUARD GROUP INC |
472,371 |
1,266,000 |
3.92% |
|
|
| 9 |
Amici Capital, LLC |
450,017 |
1,206,000 |
3.73% |
|
|
| 10 |
DAFNA Capital Management LLC |
441,859 |
1,184,000 |
3.67% |
|
|
| 11 |
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. |
315,000 |
844,000 |
2.61% |
|
|
| 12 |
BARD ASSOCIATES INC |
306,572 |
822,000 |
2.55% |
|
|
| 13 |
SOPHROSYNE CAPITAL LLC |
172,600 |
463,000 |
1.43% |
|
|
| 14 |
BlackRock Institutional Trust Company, N.A. |
170,560 |
457,000 |
1.42% |
|
|
| 15 |
WHITE PINE CAPITAL LLC |
147,250 |
395,000 |
1.22% |
|
|
| 16 |
RENAISSANCE TECHNOLOGIES LLC |
123,178 |
330,000 |
1.02% |
|
|
| 17 |
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
89,800 |
241,000 |
0.75% |
|
|
| 18 |
Granite Investment Partners, LLC |
77,975 |
209,000 |
0.65% |
|
|
| 19 |
GEODE CAPITAL MANAGEMENT, LLC |
68,988 |
184,000 |
0.57% |
|
|
| 20 |
BlackRock Fund Advisors |
65,502 |
176,000 |
0.55% |
|
|
| 21 |
DIMENSIONAL FUND ADVISORS LP |
57,829 |
155,000 |
0.48% |
|
|
| 22 |
NORTHERN TRUST CORP |
40,228 |
108,000 |
0.33% |
|
|
| 23 |
Spot Trading L.L.C |
20,000 |
54,000 |
0.17% |
Put |
|
| 24 |
MORGAN STANLEY |
17,591 |
47,000 |
0.15% |
|
|
| 25 |
GUGGENHEIM CAPITAL LLC |
12,571 |
34,000 |
0.11% |
|
|
| 26 |
Bank of New York Mellon Corp |
11,557 |
31,000 |
0.10% |
|
|
| 27 |
STATE STREET CORP |
11,100 |
30,000 |
0.09% |
|
|
| 28 |
Spot Trading L.L.C |
5,870 |
16,000 |
0.05% |
|
|
| 29 |
BLACKROCK ADVISORS LLC |
5,585 |
15,000 |
0.05% |
|
|
| 30 |
BANK OF AMERICA CORP /DE/ |
4,438 |
12,000 |
0.04% |
|
|
| 31 |
BlackRock Investment Management, LLC |
3,527 |
9,000 |
0.03% |
|
|
| 32 |
UBS AG |
2,593 |
7,000 |
0.02% |
|
|
| 33 |
MANUFACTURERS LIFE INSURANCE COMPANY, THE |
1,230 |
3,000 |
0.01% |
|
|
| 34 |
Ground Swell Capital, LLC |
637 |
2,000 |
0.01% |
|
|
| 35 |
DEUTSCHE BANK AG\ |
997 |
2,000 |
0.01% |
|
|
| 36 |
CITIGROUP INC |
200 |
1,000 |
0.00% |
|
|
| 37 |
Tower Research Capital LLC (TRC) |
300 |
1,000 |
0.00% |
|
|
| 38 |
BNP PARIBAS FINANCIAL MARKETS |
295 |
791 |
0.00% |
|
|
