| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | RA Capital Management Peter Kolchinsky | 8,340,508 | $20,100,624 | 0.21% | |
| 2. | Citadel Investment Group Ken Griffin | 1,641,884 | $3,956,941 | +7% | 0% |
| 3. | Renaissance Technologies Jim Simons | 634,169 | $1,528,347 | +2% | 0% |
| 4. | Marshall Wace LLP Paul Marshall And Ian Wace | 496,081 | $1,195,556 | +232% | 0% |
| 5. | Two Sigma Advisors John Overdeck And David Siegel | 333,773 | $804,393 | +145% | 0% |