First Manhattan Co
- SEC CIK
- 0000728083
- Latest filing
- Aug 14, 2026
GRDX holding history
GridAI Technologies Corp. in every 13F filed by First Manhattan Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
GRDX overviewAll 13F holders of GRDXFull Q2 2026 holdings
- Shares (Q4 2023)
- 0
- Sold out in Q4 2023
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 7
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2023 | 0 | $0 | 0.0% | −1−100.0% | Sold out | Holders |
| Q3 2023 | 1 | $0 | 0.0% | 00.0% | Unchanged | Holders |
| Q2 2023 | 1 | $1 | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2023 | 1 | $2 | <0.1% | −0−12.5% | ReducedConverted for a 1-for-7 split | Holders |
| Q4 2022 | 8 | $7 | <0.1% | 00.0% | Unchanged | Holders |
| Q3 2022 | 8 | $0 | 0.0% | +8 | New | Holders |
| Q3 2021 | 0 | $0 | 0.0% | −2,500−100.0% | Sold out | Holders |
| Q2 2021 | 2,500 | $2.00K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2021 | 2,500 | $3.00K | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.