| 42.13% | % of Shares Held by All Insider |
| 32.52% | % of Shares Held by Institutions |
| 56.19% | % of Float Held by Institutions |
| 34 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Ariel Investments, LLC | 1,281,104 | Jun 29, 2019 | 8.33% | 8,160,632 |
| Stonepine Capital Management, LLC | 871,762 | Jun 29, 2019 | 5.67% | 5,553,123 |
| Dimensional Fund Advisors LP | 862,919 | Jun 29, 2019 | 5.61% | 5,496,794 |
| Renaissance Technologies, LLC | 441,577 | Jun 29, 2019 | 2.87% | 2,812,845 |
| Vanguard Group, Inc. (The) | 368,725 | Jun 29, 2019 | 2.40% | 2,348,778 |
| Blackrock Inc. | 332,543 | Jun 29, 2019 | 2.16% | 2,118,298 |
| Bridgeway Capital Management, Inc. | 183,000 | Jun 29, 2019 | 1.19% | 1,165,710 |
| Acadian Asset Management | 104,498 | Jun 29, 2019 | 0.68% | 665,652 |
| Bard Associates Inc. | 76,615 | Jun 29, 2019 | 0.50% | 488,037 |
| CALPERS (California-Public Employees Retirement System) | 53,800 | Jun 29, 2019 | 0.35% | 342,706 |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 198,124 | Dec 30, 2018 | 1.29% | 1,194,687 |
| DFA U.S. Micro Cap Series | 169,380 | Jan 30, 2019 | 1.10% | 932,301 |
| Bridgeway Funds Inc-Ultra Small Company Market Fund | 152,500 | Dec 30, 2018 | 0.99% | 919,575 |
| DFA U.S. Small Cap Series | 138,305 | Jan 30, 2019 | 0.90% | 761,258 |
| DFA U.S. Targeted Value Portfolio | 100,209 | Jan 30, 2019 | 0.65% | 551,570 |
| Ariel Discovery Fund | 83,519 | Dec 30, 2018 | 0.54% | 503,619 |
| Vanguard Extended Market Index Fund | 83,401 | Dec 30, 2018 | 0.54% | 502,908 |
| DFA Tax Managed U.S. Targeted Value Port | 79,757 | Jan 30, 2019 | 0.52% | 438,998 |
| DFA Tax-Managed U.S. Small Cap Portfolio | 43,217 | Jan 30, 2019 | 0.28% | 237,875 |
| DFA U.S. Core Equity 2 Portfolio | 40,261 | Jan 30, 2019 | 0.26% | 221,604 |