GridAI Technologies
GRDX · NASDAQ
$4.63+$0.24 (+5.47%)TodayMarket closed ·
Prev close $4.39
Who owns GRDX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 18.4% of GRDX’s shares.
- Sawyer (Jason David)8.0%
- Renaissance Technologies LLC2.6%
- Citadel Advisors LLC1.3%
- Ali (Arif Nasir)1.1%
- Next 6 largest institutions5.4%
- All other shareholders81.6%
| Holder | Shares | % of shares |
|---|---|---|
| Sawyer (Jason David) | 540.00K | 7.99% |
| Renaissance Technologies LLC | 176.30K | 2.61% |
| Citadel Advisors LLC | 85.33K | 1.26% |
| Ali (Arif Nasir) | 76.97K | 1.14% |
| Desjardins Securities Inc. | 76.35K | 1.13% |
| Vanguard Capital Management, LLC | 74.06K | 1.10% |
| Skowron (Anna) | 65.00K | 0.96% |
| Geode Capital Management, L.L.C. | 59.90K | 0.89% |
| Jane Street Capital, L.L.C. | 49.24K | 0.73% |
| Borkowski (Edward J) | 40.00K | 0.59% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Extended Market Index Fund | 74.06K | 1.10% |
| Fidelity Extended Market Index Fund | 30.38K | 0.45% |
| Fidelity Series Total Market Index Fund | 9.78K | 0.14% |
| Fidelity Total Market Index Fund | 7.11K | 0.11% |
| Fidelity NASDAQ Composite Index Fund | 4.09K | 0.06% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of GRDX in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Sawyer Jason David | Award | 250.00K | — |
| Sawyer Jason David | Award | 250.00K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 104.55K
- Days to cover
- 1.40
- % of shares outstanding
- 1.55%
- Average daily volume
- 74.91K
- Change since last report
- +91.8%
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