# GRIDAI TECHNOLOGIES CORP (GRDX)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/GRDX/

- Reporting holders: 19
- Reported value: $3.5M
- Shares held by institutions: 746,834 of 6,653,140 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $826.8K | 176,300 | 0.0% | 4 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $800.3K | 170,650 | 0.0% | 1 |
| [Federation des caisses Desjardins du Quebec](https://holderbook.com/funds/2022297-federation-des-caisses-desjardins-du-quebec/) | $358.1K | 76,350 | 0.0% | 2 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $347.3K | 74,060 | 0.0% | 2 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $280.9K | 59,899 | 0.0% | 4 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $230.9K | 49,236 | 0.0% | 2 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $219.9K | 46,892 | 0.0% | 4 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $158.5K | 33,804 | 0.0% | 2 |
| [HRT FINANCIAL LP](https://holderbook.com/funds/1475597-hrt-financial-lp/) | $98.0K | 20,963 | 0.0% | 1 |
| [Independent Advisor Alliance](https://holderbook.com/funds/1696899-independent-advisor-alliance/) | $70.3K | 15,000 | 0.0% | 1 |
| [NORTHERN TRUST CORP](https://holderbook.com/funds/73124-northern-trust-corp/) | $65.4K | 13,939 | 0.0% | 1 |
| [HARBOUR INVESTMENTS, INC.](https://holderbook.com/funds/810121-harbour-investments-inc/) | $27.5K | 5,862 | 0.0% | 2 |
| [JONES FINANCIAL COMPANIES LLLP](https://holderbook.com/funds/815917-jones-financial-companies-lllp/) | $8.8K | 2,000 | 0.0% | 1 |
| [Tower Research Capital LLC (TRC)](https://holderbook.com/funds/1533421-tower-research-capital-llc-trc/) | $6.8K | 1,445 | 0.0% | 2 |
| [BARCLAYS PLC](https://holderbook.com/funds/312069-barclays-plc/) | $1.8K | 380 | 0.0% | 1 |
| [SBI Securities Co., Ltd.](https://holderbook.com/funds/1851815-sbi-securities-co-ltd/) | $145 | 31 | 0.0% | 4 |
| [Caitong International Asset Management Co., Ltd](https://holderbook.com/funds/1963355-caitong-international-asset-management-co-ltd/) | $98 | 21 | 0.0% | 1 |
| [DANSKE BANK A/S](https://holderbook.com/funds/800177-danske-bank-a-s/) | $5 | 1 | 0.0% | 4 |
| [OSAIC HOLDINGS, INC.](https://holderbook.com/funds/1677044-osaic-holdings-inc/) | $4 | 1 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 19 | $3.5M |
| Q1 2026 | 14 | $704.1K |
| Q4 2025 | 12 | $817.5K |
| Q3 2025 | 9 | $763.2K |