|
May 2009 |
|
April 2009 |
|
Year-to-Date |
|
|
Volume |
Rank |
% |
|
Volume |
Rank |
% |
|
Volume |
Rank |
% |
|
|
Total Share Volume |
5,690,433 |
|
NITE |
Knight Equity Markets, L.P. |
2,802,648 |
1 |
49 |
|
9,055,695 |
1 |
56 |
|
27,656,366 |
1 |
51 |
|
UBSS |
UBS Securities LLC |
875,895 |
2 |
15 |
|
1,717,092 |
3 |
10 |
|
8,593,767 |
2 |
16 |
|
ABLE |
Natexis Bleichroeder Inc. |
670,130 |
3 |
11 |
|
1,398,570 |
4 |
8 |
|
4,939,674 |
4 |
9 |
|
ETMM |
E*Trade Capital Markets Llc |
651,572 |
4 |
11 |
|
2,243,603 |
2 |
13 |
|
6,449,798 |
3 |
12 |
|
PERT |
Pershing LLC |
337,106 |
5 |
5 |
|
575,789 |
5 |
3 |
|
2,146,929 |
5 |
4 |
|
HDSN |
Hudson Securities, Inc. |
137,300 |
6 |
2 |
|
247,552 |
8 |
1 |
|
980,352 |
6 |
1 |
|
VERT |
The Vertical Trading Group |
86,267 |
7 |
1 |
|
262,770 |
7 |
1 |
|
958,423 |
7 |
1 |
|
VFIN |
vFinance Investments, Inc. |
42,240 |
8 |
<1 |
|
18,500 |
14 |
<1 |
|
108,940 |
14 |
<1 |
|
DOMS |
Domestic Securities, Inc. |
42,000 |
9 |
<1 |
|
33,300 |
13 |
<1 |
|
247,546 |
9 |
<1 |
|
AUTO |
Automated Trading Desk |
25,075 |
10 |
<1 |
|
330,342 |
6 |
2 |
|
601,742 |
8 |
1 |
|
MAXM |
Maxim Group LLC |
20,000 |
11 |
<1 |
|
48,000 |
9 |
<1 |
|
196,500 |
10 |
<1 |
|
ARCA |
Archipelago Trading Services |
200 |
12 |
<1 |
|
40,400 |
12 |
<1 |
|
126,595 |
13 |
<1 |
|