| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Brien Daniel B. O. | 33.64% | 4,270,156 | $25.83M | Insider |
| Brien Dr Robert N. O. | 14.18% | 1,800,000 | $10.89M | Insider |
| Renaissance Technologies LLC | 2.76% | 350,245 | $2.12M | Institution |
| Vanguard Group Inc | 2.24% | 284,869 | $1.72M | Institution |
| Perritt Capital Management Inc | 0.85% | 107,600 | $650.98k | Institution |
| Dimensional Fund Advisors LP | 0.63% | 80,481 | $486.91k | Institution |
| Informed Momentum Co LLC | 0.55% | 69,175 | $418.51k | Institution |
| Marshall Wace LLP | 0.41% | 52,017 | $314.70k | Institution |
| Regal Investment Advisors LLC | 0.22% | 28,460 | $172.18k | Institution |
| Essex Investment Management Co LLC | 0.21% | 26,252 | $158.82k | Institution |