| 1 |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
2,229,951 |
4,593,699 |
20.06% |
|
|
| 2 |
ORBIMED ADVISORS LLC |
1,363,500 |
2,809,000 |
12.27% |
|
|
| 3 |
PERKINS CAPITAL MANAGEMENT INC |
1,284,788 |
2,647,000 |
11.56% |
|
|
| 4 |
Amici Capital, LLC |
1,050,000 |
2,163,000 |
9.45% |
|
|
| 5 |
PERCEPTIVE ADVISORS LLC |
766,349 |
1,579,000 |
6.90% |
|
|
| 6 |
Cortina Asset Management, LLC |
703,079 |
1,448,000 |
6.32% |
|
|
| 7 |
Rothschild Capital Partners, LLC |
599,131 |
1,234,000 |
5.39% |
|
|
| 8 |
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. |
520,000 |
1,071,000 |
4.68% |
|
|
| 9 |
VANGUARD GROUP INC |
502,290 |
1,035,000 |
4.52% |
|
|
| 10 |
DAFNA Capital Management LLC |
486,062 |
1,001,000 |
4.37% |
|
SH |
| 11 |
BARD ASSOCIATES INC |
303,831 |
626,000 |
2.73% |
|
|
| 12 |
Manatuck Hill Partners, LLC |
286,484 |
590,000 |
2.58% |
|
|
| 13 |
Teton Advisors, Inc. |
182,681 |
376,000 |
1.64% |
|
|
| 14 |
DIMENSIONAL FUND ADVISORS LP |
179,500 |
370,000 |
1.62% |
|
|
| 15 |
RENAISSANCE TECHNOLOGIES LLC |
142,300 |
293,000 |
1.28% |
|
|
| 16 |
BlackRock Institutional Trust Company, N.A. |
103,646 |
214,000 |
0.93% |
|
|
| 17 |
NORTHERN TRUST CORP |
76,617 |
157,000 |
0.69% |
|
|
| 18 |
GEODE CAPITAL MANAGEMENT, LLC |
68,988 |
142,000 |
0.62% |
|
|
| 19 |
BlackRock Fund Advisors |
65,763 |
135,000 |
0.59% |
|
|
| 20 |
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
89,800 |
108,000 |
0.47% |
|
|
| 21 |
GABELLI FUNDS LLC |
30,000 |
62,000 |
0.27% |
|
|
| 22 |
K2 PRINCIPAL FUND, L.P. |
25,000 |
52,000 |
0.23% |
|
|
| 23 |
WHITE PINE CAPITAL LLC |
22,125 |
46,000 |
0.20% |
|
|
| 24 |
Bank of New York Mellon Corp |
11,957 |
25,000 |
0.11% |
|
|
| 25 |
Spark Investment Management LLC |
11,600 |
23,000 |
0.10% |
|
|
| 26 |
STATE STREET CORP |
10,000 |
21,000 |
0.09% |
|
|
| 27 |
BLACKROCK ADVISORS LLC |
8,634 |
18,000 |
0.08% |
|
|
| 28 |
FIRST NEW YORK SECURITIES LLC /NY |
5,304 |
10,926 |
0.05% |
|
|
| 29 |
UBS Group AG |
5,034 |
10,000 |
0.04% |
|
|
| 30 |
DEUTSCHE BANK AG\ |
5,269 |
10,000 |
0.04% |
|
|
| 31 |
ROYAL BANK OF CANADA |
3,500 |
7,000 |
0.03% |
|
|
| 32 |
BlackRock Investment Management, LLC |
3,515 |
7,000 |
0.03% |
|
|
| 33 |
SIMPLEX TRADING, LLC |
3,000 |
6,000 |
0.03% |
|
|
| 34 |
Tower Research Capital LLC (TRC) |
2,006 |
4,000 |
0.02% |
|
|
| 35 |
MANUFACTURERS LIFE INSURANCE COMPANY, THE |
1,230 |
3,000 |
0.01% |
|
|
| 36 |
MORGAN STANLEY |
37 |
0 |
0.00% |
|
|
| 37 |
CITIGROUP INC |
200 |
0 |
0.00% |
|
|
| 38 |
BANK OF AMERICA CORP /DE/ |
25 |
0 |
0.00% |
|
|
