Gridai TechnologiesGRDX
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 19 institutions reported holding Gridai Technologies Corp. (GRDX) in their 13F filings, up 5 from Q1 2026. 7 opened new positions and 2 sold out. The largest holders were Renaissance Technologies ($827K), Citadel Advisors ($400K) and Federation des caisses Desjardins du Quebec ($358K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Gridai Technologies Corp.
- CUSIP
- 33749P507
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $645K |
| Exits | 2 | $6K |
All 13F filers, Q1 2026 → Q2 2026: 302,796 shares bought and 13,293 shares sold, net +289,503 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 19 holders
| Renaissance Technologies | 0.00% | Reduce -4.1% | 176,300 | $827K |
| Citadel Advisors | 0.00% | New | 85,325 | $400K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +59.7% | 76,350 | $358K |
| Vanguard Capital Management LLC | 0.00% | Add +304.9% | 74,060 | $347K |
| Geode Capital Management, LLC | 0.00% | Add +80.0% | 59,899 | $281K |
| Jane Street Group, LLC | 0.00% | Add +289.0% | 49,236 | $231K |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +106.8% | 33,804 | $159K |
| State Street Corp. | 0.00% | No change | 23,446 | $110K |
| HRT Financial LP | 0.00% | New | 20,963 | $98K |
| Independent Advisor Alliance | 0.00% | New | 15,000 | $70K |
| Northern Trust Corp. | 0.00% | New | 13,939 | $65K |
| Harbour Investments, Inc. | 0.00% | Reduce -26.7% | 5,862 | $27K |
| Jones Financial Companies LLLP | 0.00% | New | 2,000 | $9K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +14.6% | 1,445 | $7K |
| Barclays PLC | 0.00% | New | 380 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -93.8% | 31 | $145 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 21 | $98 |
| Danske Bank A/S | 0.00% | No change | 1 | $5 |
| Osaic Holdings, Inc. | 0.00% | No change | 1 | $4 |
"% of holder's portfolio" is GRDX's weight in each manager's 13F, not the share of Gridai Technologies Corp. the manager owns.