| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Brien Daniel B. O. | 33.74% | 4,270,156 | $39.67M | Insider |
| Brien Dr Robert N. O. | 14.22% | 1,800,000 | $16.72M | Insider |
| Renaissance Technologies LLC | 3.05% | 386,442 | $3.59M | Institution |
| Vanguard Group Inc | 2.19% | 277,169 | $2.57M | Institution |
| Perritt Capital Management Inc | 0.87% | 110,000 | $1.02M | Institution |
| Dimensional Fund Advisors LP | 0.62% | 78,781 | $731.88k | Institution |
| Bridgeway Capital Management LLC | 0.50% | 63,900 | $593.63k | Institution |
| Regal Investment Advisors LLC | 0.22% | 28,460 | $264.39k | Institution |
| Essex Investment Management Co LLC | 0.21% | 26,252 | $243.88k | Institution |
| Citadel Advisors LLC | 0.19% | 24,605 | $228.58k | Institution |