13FGIBRALTAR INDS INC (ROCK)
3 tracked managers currently hold ROCK 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 |
|---|---|---|---|---|---|---|---|
| D. E. Shaw & Co., Inc. | Q2 2026 | TRIM | $10.1M | 0.0 % | 0.0 % | 224,747 | -24,925 |
| CITADEL ADVISORS LLC | Q2 2026 | ADD | $8.6M | 0.0 % | 0.0 % | 191,107 | +72,658 |
| MILLENNIUM MANAGEMENT LLC | Q2 2026 | NEW | $2.6M | 0.0 % | — | 56,573 | NEW |