17 institutions reported holding $704,091 of GridAI Technologies Corp (US) (FWBI) in SEC 13F filings for 2026-03-31. Largest institutional holders: RENAISSANCE TECHNOLOGIES LLC ($371,276), Federation des caisses Desjardins du Quebec ($96,556), GEODE CAPITAL MANAGEMENT, LLC ($67,205), STATE STREET CORP ($47,361), VANGUARD CAPITAL MANAGEMENT LLC ($36,952). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RENAISSANCE TECHNOLOGIES LLC | $371,276 | 183,800 | Added |
| 2 | Federation des caisses Desjardins du Quebec | $96,556 | 47,800 | New |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $67,205 | 33,270 | Added |
| 4 | STATE STREET CORP | $47,361 | 23,446 | Hold |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $36,952 | 18,293 | New |
| 6 | VANGUARD FIDUCIARY TRUST CO | $33,017 | 16,345 | New |
| 7 | JANE STREET GROUP, LLC | $25,567 | 12,657 | New |
| 8 | HARBOUR INVESTMENTS, INC. | $16,148 | 7,994 | New |
| 9 | UBS Group AG | $6,438 | 3,187 | Added |
| 10 | Tower Research Capital LLC (TRC) | $2,547 | 1,261 | New |
| 11 | SBI Securities Co., Ltd. | $1,018 | 504 | Added |
| 12 | DANSKE BANK A/S | $2 | 1 | Hold |
| 13 | OSAIC HOLDINGS, INC. | $2 | 1 | Hold |
| 14 | CITIGROUP INC | $2 | 1 | Trimmed |
| 15 | DRW Securities, LLC | $0 | 0 | Exited |
| 16 | FNY Investment Advisers, LLC | $0 | 0 | Exited |
| 17 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31