| 31.42% | % of Shares Held by All Insider |
| 31.01% | % of Shares Held by Institutions |
| 45.23% | % of Float Held by Institutions |
| 13 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Renaissance Technologies, LLC | 4,081,820 | Mar 30, 2019 | 7.25% | 18,490,644 |
| Lynrock Lake LP | 3,966,666 | Mar 30, 2019 | 7.04% | 17,968,996 |
| Blackrock Inc. | 2,192,461 | Mar 30, 2019 | 3.89% | 9,931,848 |
| Vanguard Group, Inc. (The) | 2,073,766 | Mar 30, 2019 | 3.68% | 9,394,159 |
| Yiheng Capital, LLC | 1,863,083 | Mar 30, 2019 | 3.31% | 8,439,765 |
| Royce & Associates LP | 1,565,926 | Mar 30, 2019 | 2.78% | 7,093,644 |
| Paradigm Capital Management | 1,454,600 | Mar 30, 2019 | 2.58% | 6,589,338 |
| Granahan Investment Management Inc. | 1,323,870 | Mar 30, 2019 | 2.35% | 5,997,131 |
| Shaw D.E. & Co., Inc. | 1,094,529 | Mar 30, 2019 | 1.94% | 4,958,216 |
| PanAgora Asset Management, Inc. | 969,994 | Mar 30, 2019 | 1.72% | 4,394,072 |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 1,301,751 | Dec 30, 2018 | 2.31% | 4,243,708 |
| iShares Russell 2000 ETF | 718,066 | May 30, 2019 | 1.27% | 2,441,424 |
| USAA Mutual Fund Tr-Small Cap Stock Fund | 694,540 | Oct 30, 2018 | 1.23% | 2,660,088 |
| Royce Opportunity Fund | 666,834 | Dec 30, 2018 | 1.18% | 2,173,878 |
| Adirondack Small Cap Fund | 664,165 | Dec 30, 2018 | 1.18% | 2,165,177 |
| Vanguard Extended Market Index Fund | 460,683 | Dec 30, 2018 | 0.82% | 1,501,826 |
| Russell Inv Co-U.S. Small Cap Equity Fund | 413,002 | Oct 30, 2018 | 0.73% | 1,581,797 |
| Paradigm Micro Cap Fund | 400,000 | Dec 30, 2018 | 0.71% | 1,304,000 |
| Mutual of America Investment Corp-Small Cap Value Fund | 291,167 | Dec 30, 2018 | 0.52% | 949,204 |
| College Retirement Equities Fund-Stock Account | 286,911 | Dec 30, 2018 | 0.51% | 935,329 |