| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Arrowstreet Capital Peter Rathjens, Bruce Clarke And John Campbell | 608,833 | $22,191,963 | +573% | 0.01% |
| 2. | Driehaus Capital Richard Driehaus | 443,719 | $16,173,558 | 0.12% | |
| 3. | Two Sigma Advisors John Overdeck And David Siegel | 421,820 | $15,375,339 | 0.01% | |
| 4. | Marshall Wace LLP Paul Marshall And Ian Wace | 306,556 | $11,173,967 | 0.01% | |
| 5. | Royce & Associates Chuck Royce | 261,647 | $9,537,033 | +89% | 0.09% |