GRIDAI TECHNOLOGIES CORP (GRDX) Institutional Ownership Changes & 13F Activity
GRIDAI TECHNOLOGIES CORP (GRDX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Citadel Advisors Llc, Vanguard Capital Management Llc, Jane Street Group, Llc, Federation Des Caisses Desjardins Du Quebec, and Geode Capital Management, Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +85,325 | — | 85,325 | $400.17K | Q2 2026 | Sep 02, 2026 |
| Jane Street Group, Llc | Buy | +36,579 | +289.0% | 49,236 | $230.92K | Q2 2026 | Aug 14, 2026 |
| Federation Des Caisses Desjardins Du Quebec | Buy | +28,550 | +59.7% | 76,350 | $358.08K | Q2 2026 | Aug 14, 2026 |
| Hrt Financial Lp | Buy | +20,963 | — | 20,963 | $98.00K | Q2 2026 | Aug 14, 2026 |
| Jones Financial Companies Lllp | Buy | +2,000 | — | 2,000 | $8.82K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Buy | +380 | — | 380 | $1.78K | Q2 2026 | Aug 14, 2026 |
| Vanguard Capital Management Llc | Buy | +55,767 | +304.9% | 74,060 | $347.34K | Q2 2026 | Aug 13, 2026 |
| Vanguard Fiduciary Trust Co | Buy | +17,459 | +106.8% | 33,804 | $158.54K | Q2 2026 | Aug 13, 2026 |
| Northern Trust Corp | Buy | +13,939 | — | 13,939 | $65.37K | Q2 2026 | Aug 13, 2026 |
| Renaissance Technologies LLC | Sell | -7,500 | -4.1% | 176,300 | $826.85K | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Buy | +26,629 | +80.0% | 59,899 | $280.93K | Q2 2026 | Aug 12, 2026 |
| Independent Advisor Alliance | Buy | +15,000 | — | 15,000 | $70.35K | Q2 2026 | Aug 12, 2026 |
| Harbour Investments, Inc. | Sell | -2,132 | -26.7% | 5,862 | $27.49K | Q2 2026 | Aug 12, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +184 | +14.6% | 1,445 | $6.78K | Q2 2026 | Aug 11, 2026 |
| Caitong International Asset Management Co., Ltd | Buy | +21 | — | 21 | $98.00 | Q2 2026 | Aug 05, 2026 |
| Sbi Securities Co., Ltd. | Sell | -473 | -93.8% | 31 | $145.00 | Q2 2026 | Jul 23, 2026 |
| Citigroup Inc | Sell | -1 | -100.0% | 0 | $0.00 | Q2 2026 | May 11, 2026 |
| Ubs Group Ag | Sell | -3,187 | -100.0% | 0 | $0.00 | Q2 2026 | May 05, 2026 |
Frequently asked questions about GRDX activity
Which institutional owners are buying GRDX?
Institutional owners buying GRDX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in GRDX activity?
"Buy" means an investor increased their reported position in GRDX compared to the prior reporting period. This reflects growing exposure to GRIDAI TECHNOLOGIES CORP (GRDX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in GRDX increasing?
Institutional interest in GRDX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
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