| 11.39% | % of Shares Held by All Insider |
| 81.51% | % of Shares Held by Institutions |
| 91.99% | % of Float Held by Institutions |
| 231 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Blackrock Inc. | 1,368,668 | Dec 30, 2018 | 11.52% | 61,617,433 |
| Mangrove Partners | 549,401 | Dec 30, 2018 | 4.63% | 24,734,033 |
| Vanguard Group, Inc. (The) | 527,560 | Dec 30, 2018 | 4.44% | 23,750,751 |
| Dimensional Fund Advisors LP | 518,427 | Dec 30, 2018 | 4.36% | 23,339,583 |
| State Street Corporation | 241,398 | Dec 30, 2018 | 2.03% | 10,867,737 |
| First Manhattan Company | 240,166 | Mar 30, 2019 | 2.02% | 16,941,309 |
| Investment Counselors of Maryland | 207,300 | Dec 30, 2018 | 1.75% | 9,332,646 |
| Renaissance Technologies, LLC | 169,400 | Dec 30, 2018 | 1.43% | 7,626,388 |
| Consonance Capital Management LP | 142,943 | Dec 30, 2018 | 1.20% | 6,435,293 |
| Bank Of New York Mellon Corporation | 134,589 | Dec 30, 2018 | 1.13% | 6,059,196 |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| iShares Core S&P Smallcap ETF | 498,265 | Feb 27, 2019 | 4.19% | 32,780,854 |
| Vanguard Total Stock Market Index Fund | 207,214 | Sep 29, 2018 | 1.74% | 11,715,879 |
| DFA U.S. Small Cap Series | 191,469 | Oct 30, 2018 | 1.61% | 9,291,990 |
| iShares Russell 2000 ETF | 164,849 | Feb 27, 2019 | 1.39% | 10,845,415 |
| iShares NASDAQ Biotechnology ETF | 128,689 | Feb 27, 2019 | 1.08% | 8,466,449 |
| iShares S&P Small Cap 600 Growth Index ETF | 125,425 | Feb 27, 2019 | 1.06% | 8,251,710 |
| Vanguard Extended Market Index Fund | 121,732 | Sep 29, 2018 | 1.02% | 6,882,727 |
| Vanguard Tax Managed Fund-Small Cap Fund | 86,074 | Sep 29, 2018 | 0.72% | 4,866,623 |
| DFA U.S. Micro Cap Series | 79,969 | Oct 30, 2018 | 0.67% | 3,880,895 |
| Invesco ETF Tr II-Invesco S&P Small Cap Health Care ETF | 78,523 | Feb 27, 2019 | 0.66% | 5,166,028 |