20 institutions reported holding $3.0M of GRIDAI TECHNOLOGIES CORP (GRDX) in SEC 13F filings for 2026-06-30. Largest institutional holders: RENAISSANCE TECHNOLOGIES LLC ($826,847), VANGUARD GROUP INC ($505,882), CITADEL ADVISORS LLC ($400,174), Federation des caisses Desjardins du Quebec ($358,082), GEODE CAPITAL MANAGEMENT, LLC ($280,925). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RENAISSANCE TECHNOLOGIES LLC | $826,847 | 176,300 | Trimmed |
| 2 | VANGUARD GROUP INC | $505,882 | 107,864 | Added |
| 3 | CITADEL ADVISORS LLC | $400,174 | 85,325 | New |
| 4 | Federation des caisses Desjardins du Quebec | $358,082 | 76,350 | Added |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $280,925 | 59,899 | Added |
| 6 | JANE STREET GROUP, LLC | $230,917 | 49,236 | Added |
| 7 | STATE STREET CORP | $109,962 | 23,446 | Hold |
| 8 | HRT FINANCIAL LP | $98,000 | 20,963 | New |
| 9 | Independent Advisor Alliance | $70,350 | 15,000 | New |
| 10 | NORTHERN TRUST CORP | $65,374 | 13,939 | New |
| 11 | HARBOUR INVESTMENTS, INC. | $27,493 | 5,862 | Trimmed |
| 12 | JONES FINANCIAL COMPANIES LLLP | $8,820 | 2,000 | New |
| 13 | Tower Research Capital LLC (TRC) | $6,777 | 1,445 | Added |
| 14 | BARCLAYS PLC | $1,782 | 380 | New |
| 15 | SBI Securities Co., Ltd. | $145 | 31 | Trimmed |
| 16 | Caitong International Asset Management Co., Ltd | $98 | 21 | New |
| 17 | DANSKE BANK A/S | $5 | 1 | Hold |
| 18 | OSAIC HOLDINGS, INC. | $4 | 1 | Hold |
| 19 | CITIGROUP INC | $0 | 0 | Exited |
| 20 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30