13FOSI SYSTEMS INC (OSIS)
3 tracked managers currently hold OSIS on their latest filing. Change is versus that manager’s previous filing. Reported as of quarter end, filed up to ~45 days later, not live positions.
Sort: Size Weight change
Sorted by reported value on the latest filing.
| Manager | Period | Change | Value | Weight | Prev weight | Shares | Δ shares |
|---|---|---|---|---|---|---|---|
| MILLENNIUM MANAGEMENT LLC | Q2 2026 | ADD | $65.3M | 0.0 % | 0.0 % | 298,480 | +254,870 |
| D. E. Shaw & Co., Inc. | Q2 2026 | ADD | $4.5M | 0.0 % | 0.0 % | 20,599 | +13,314 |
| TWO SIGMA INVESTMENTS, LP | Q2 2026 | HELD | $1.1M | 0.0 % | 0.0 % | 4,900 | 0 |