GRDX · GridAI Technologies Corp. · Shareholders & Ownership
Substantial doubt about the company's ability to continue as a going concern.
“These conditions raise substantial doubt about the Company's ability to continue as a going concern one year from the date these financial statements are issued. ... As a result, the Company concluded that its plans at this stage do not alleviate substantial doubt about the ability to continue as a going concern.”View the 10-Q filed Aug 21, 2026
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Every disclosed holder of GRDX in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns GRDX
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 605,247 | 8.49% |
| Insiders (Forms 3, 4, 5) | 0 | 0.00% |
| 13D/G-only blocks | 209,541 | 2.94% |
| Remaining | 6,316,335 | 88.57% |
| Registered funds (N-PORT, not summed) | 129,229 | 1.81% |
Shares outstanding: 7,131,123, the issuer's latest cover-page count restated onto today's split basis.
Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of GRDX
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
|
1,080,000 | ||
| 2 |
Strategic EP, LLC
13G
CIK 2081874 · Unknown · Jan 12, 2026
|
209,541 | ||
| 3 |
|
177,327 | ||
| 4 |
|
140,000 | ||
| 5 |
|
140,000 | ||
| 6 |
Legacy Wealth Managment, LLC/ID
13F
CIK 2045082 · Registered investment adviser · Sep 30, 2026
|
116,364 | ||
| 7 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
85,325 | ||
| 8 |
|
80,000 | ||
| 9 |
Federation des caisses Desjardins du Quebec
13F
CIK 2022297 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
76,350 | ||
| 10 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
74,060 | ||
| 11 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
74,060 | ||
| 12 |
RENAISSANCE TECHNOLOGIES LLC
13F
CIK 1037389 · Registered investment adviser · Sep 30, 2026
|
70,423 | ||
| 13 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Sep 30, 2026
|
62,798 | ||
| 14 |
|
60,000 | ||
| 15 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
33,804 | ||
| 16 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
30,214 | ||
| 17 |
STATE STREET CORP
13F
CIK 93751 · Bank · Sep 30, 2026
|
27,646 | ||
| 18 |
HRT FINANCIAL LP
13F
CIK 1475597 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
20,963 | ||
| 19 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Sep 30, 2026
|
19,670 | ||
| 20 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
13,939 | ||
| 21 |
Fidelity Series Total Market Index Fund
Fund
S000065248 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
9,781 | ||
| 22 |
Fidelity Total Market Index Fund
Fund
S000006026 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
8,541 | ||
| 23 |
|
5,762 | ||
| 24 |
Fidelity Nasdaq Composite Index Fund
Fund
S000055366 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
4,094 | ||
| 25 |
Dimensional US Sustainability Core 1 ETF
Fund
S000076639 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
2,539 | ||
| 26 |
JONES FINANCIAL COMPANIES LLLP
13F
CIK 815917 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,000 | ||
| 27 |
Tower Research Capital LLC (TRC)
13F
CIK 1533421 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,445 | ||
| 28 |
SBI Securities Co., Ltd.
13F
CIK 1851815 · Non-US institution · Sep 30, 2026
|
431 | ||
| 29 |
Caitong International Asset Management Co., Ltd
13F
CIK 1963355 · Unknown · Sep 30, 2026
|
26 | ||
| 30 |
DANSKE BANK A/S
13F
CIK 800177 · Bank · Sep 30, 2026
|
1 | ||
| 31 |
OSAIC HOLDINGS, INC.
13F
CIK 1677044 · Holding company · Sep 30, 2026
|
1 | ||
| 32 |
UBS Group AG
13F
CIK 1610520 · Bank · Sep 30, 2026
|
1 |
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.