GRDX Institutional Ownership & Shareholders
GRIDAI TECHNOLOGIES CORP (GRDX) is currently held by 19 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $2.99M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Renaissance Technologies LLC is currently the largest disclosed institutional shareholder of GRDX tracked by InsiderSet, reporting ownership valued at approximately $826,847 in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $988,161.5, representing an estimated gain of +19.51% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 96% of the total disclosed GRDX value among the investors covered in this analysis. Major shareholders include Renaissance Technologies LLC, Citadel Advisors Llc, Federation Des Caisses Desjardins Du Quebec, and several other long-term asset managers with concentrated positions in GRIDAI TECHNOLOGIES CORP (GRDX).
This page ranks the largest institutional GRDX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
19
Total Reported Value
$2.99M
Largest Holder
Renaissance Technologies LLC
Largest Position
$826,847
Insider Transactions (90d)
1
Latest Filing Quarter
Q2 2026
New Institutional Positions
24
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Renaissance Technologies LLC | Jim Simons | 0.00% | 176,300 | $826,847 | $988,162 | +$161,315 | +19.51% |
| Citadel Advisors Llc | 0.00% | 85,325 | $400,174 | $478,247 | +$78,073 | +19.51% | |
| Federation Des Caisses Desjardins Du Quebec | 0.00% | 76,350 | $358,082 | $427,942 | +$69,860 | +19.51% | |
| Vanguard Capital Management Llc | 0.00% | 74,060 | $347,341 | $415,106 | +$67,765 | +19.51% | |
| Geode Capital Management, Llc | 0.00% | 59,899 | $280,925 | $335,734 | +$54,809 | +19.51% | |
| Jane Street Group, Llc | 0.00% | 49,236 | $230,917 | $275,968 | +$45,051 | +19.51% | |
| Vanguard Fiduciary Trust Co | 0.00% | 33,804 | $158,541 | $189,471 | +$30,930 | +19.51% | |
| State Street Corp | 0.00% | 23,446 | $109,962 | $131,415 | +$21,453 | +19.51% | |
| Hrt Financial Lp | 0.00% | 20,963 | $98,000 | $117,498 | +$19,498 | +19.90% | |
| Independent Advisor Alliance | 0.00% | 15,000 | $70,350 | $84,075 | +$13,725 | +19.51% | |
| Northern Trust Corp | 0.00% | 13,939 | $65,374 | $78,128 | +$12,754 | +19.51% | |
| Harbour Investments, Inc. | 0.00% | 5,862 | $27,493 | $32,857 | +$5,364 | +19.51% | |
| Jones Financial Companies Lllp | 0.00% | 2,000 | $8,820 | $11,210 | +$2,390 | +27.10% | |
| Tower Research Capital Llc (Trc) | 0.00% | 1,445 | $6,777 | $8,099 | +$1,322 | +19.51% | |
| Barclays Plc | 0.00% | 380 | $1,782 | $2,130 | +$348 | +19.52% | |
| Sbi Securities Co., Ltd. | 0.00% | 431 | $1,587 | $2,416 | +$829 | +52.22% | |
| Caitong International Asset Management Co., Ltd | 0.00% | 21 | $98 | $118 | +$20 | +20.11% | |
| Danske Bank A/S | 0.00% | 1 | $5 | $6 | +$1 | +12.10% | |
| Osaic Holdings, Inc. | 0.00% | 1 | $4 | $6 | +$2 | +40.13% |
Frequently asked questions about GRDX
Who are the largest institutional holders of GRDX?
The largest institutional holders of GRDX reported in the latest SEC Form 13F filings include Renaissance Technologies LLC, Citadel Advisors Llc, Federation Des Caisses Desjardins Du Quebec, Vanguard Capital Management Llc, and Geode Capital Management, Llc. InsiderSet ranks institutional holders by their latest reported GRDX position.
What is GRDX institutional ownership?
This page tracks GRDX positions reported by institutional investment managers through SEC Form 13F. GRIDAI TECHNOLOGIES CORP (GRDX) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own GRDX?
InsiderSet currently tracks 19 institutional managers reporting GRDX holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of GRDX shareholders.
How much GRDX stock do institutions own?
Institutional investment managers disclosed approximately $2.99M in GRDX holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was GRDX institutional ownership last updated?
The latest GRDX institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional GRDX holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its GRDX position after the reporting date.
Are institutions buying or selling GRDX?
Institutional buying and selling can be analyzed by comparing GRDX positions across consecutive 13F reporting periods. InsiderSet's GRDX Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View GRDX ownership changes.
How has GRDX institutional ownership changed over time?
InsiderSet tracks GRDX institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.