| No. | Hedge Fund | Shares | Value (x$1000) | Activity | % Port |
|---|---|---|---|---|---|
| 1.) | Healthcor Management Lp Arthur B Cohen And Joseph Healey |
17,575,000 | $50,089 | +120% |
2.74% |
| 2.) | Deerfield Management James E. Flynn |
2,358,130 | $6,721 |  |
0.36% |
| 3.) | Kingdon Capital Mark Kingdon |
1,450,000 | $4,118 | |
0.25% |
| 4.) | 400,000 | $1,140 | |
0.2% | |
| 5.) | Wexford Capital Charles Davidson |
762,000 | $2,172 | |
0.15% |
| 6.) | Sac Capital Advisors Steven Cohen |
9,341,708 | $26,717 | -9% |
0.13% |
| 7.) | Farallon Capital Thomas Steyer |
850,000 | $2,431 | |
0.05% |
| 8.) | Millennium Management Israel Englander |
2,500,140 | $7,125 | -5% |
0.04% |
| 9.) | Visium Asset Management Jacob Gottlieb |
500,000 | $1,425 | |
0.04% |
| 10.) | Aqr Capital Management Cliff Asness |
862,432 | $2,467 | +605% |
0.01% |
| 11.) | 13,600 | $39 | +6% |
0% | |
| 12.) | 6,000 | $17 | +275% |
0% | |
| 13.) | Citadel Investment Group Ken Griffin |
528,898 | $1,512 | +411% |
0% |
| 14.) | Ayer Capital Management Jay Venkatesen |
0 | $0 |  |
0% |
| 15.) | Ridgeback Capital Management Wayne Holman |
0 | $0 | |
0% |
| 16.) | D E Shaw D. E. Shaw |
0 | $0 | |
0% |
| 17.) | Two Sigma Advisors John Overdeck And David Siegel |
15,400 | $44 | |
0% |
| 18.) | Diamondback Capital Richard Schimel |
0 | $0 | |
0% |
| 19.) | Mhr Fund Management Mark Rachesky |
0 | $0 | |
0% |
| Insider | Price | Amount | Relationship | Remaning Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $2.50 | 160,000 | Director | 189,008 | 2011-11-08 | Filing | |
| $2.55 | 3,500 | Director | 20,000 | 2011-08-05 | Filing | |
| $2.55 | 181 | Director | 16,500 | 2011-08-05 | Filing | |
| $2.54 | 7,719 | Director | 16,319 | 2011-08-05 | Filing | |
| $2.53 | 6,000 | Director | 8,600 | 2011-08-05 | Filing |
| Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $4.31 | 8,000 | Officer | 19,926 | 2012-11-06 | Filing | |
| $4.73 | 6,000,000 | Director | 3,031,431 | 2012-10-16 | Filing | |
| $4.96 | 3,333 | Officer | 37,992 | 2012-10-05 | Filing | |
| $4.96 | 3,111 | Officer | 0 | 2012-10-05 | Filing | |
| $4.86 | 1,556 | Officer | 41,325 | 2012-10-05 | Filing |
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