Security Snapshot

GridAI Technologies Corp. - Common stock, par value $0.0001 per share (GRDX) Institutional Ownership

CUSIP: 33749P507

13F Institutional Holders and Ownership History from Q3 2025 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

19

Shares (Excl. Options)

638.06KFull value: 638,063 · shares · 30 Jun 2026

Price

$4.69

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Security type / class
Equity / Common stock, par value $0.0001 per share
Symbol
GRDX on Nasdaq
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
638,063
Latest holder snapshot 5 signals
Total 13F value
$2,991,637
Portfolio coverage rank
0%
Share change
+289,503
Value change
+$1,365,410
Number of holders
19
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
3,369,565
SEC-reported price per share
$3.68
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • GRDX - GridAI Technologies Corp. - Common stock, par value $0.0001 per share is tracked under CUSIP 33749P507.
  • 19 institutions reported positions in Q2 2026.
  • 2 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 14 to 19 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $704.09KFull value: $704,091 · USD · 31 Mar 2026
    to
    $2.99MFull value: $2,991,637 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 19 institutions filings for Q2 2026.

Open SEC evidence

Security key

33749P507

13F reference period

Q2 2026

13F holders

19

13D/G owners

2

CIK / CUSIP context first

Open Q2 2026 holders GRDX full holder history GridAI Technologies Corp. SEC filings GridAI Technologies Corp. company facts GridAI Technologies Corp. insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
2
Security
GRDX
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Strategic EP, LLC 5% $655,863 209,541 Strategic EP, LLC 12 Jan 2026
RENAISSANCE TECHNOLOGIES LLC 0.92% -90% $125,550 -$224,370 31,000 -64% Renaissance Technologies LLC 31 Dec 2025
As of 30 Jun 2026, 19 institutional investors reported holding
638.06KFull value: 638,063 · shares · 30 Jun 2026
shares of GridAI Technologies Corp. - Common stock, par value $0.0001 per share (GRDX). This represents 19% of the company’s total
3.37MFull value: 3,369,565 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 21 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
19%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
RENAISSANCE TECHNOLOGIES LLC 5.2% 176,300 -4.1% 0% $826,847
CITADEL ADVISORS LLC 2.5% 85,325 0% $400,174
Federation des caisses Desjardins du Quebec 2.3% 76,350 +60% 0% $358,082
VANGUARD CAPITAL MANAGEMENT LLC 2.2% 74,060 +305% 0% $347,341
GEODE CAPITAL MANAGEMENT, LLC 1.8% 59,899 +80% 0% $280,925
JANE STREET GROUP, LLC 1.5% 49,236 +289% 0% $230,917
VANGUARD FIDUCIARY TRUST CO 1% 33,804 +107% 0% $158,541
STATE STREET CORP 0.7% 23,446 0% 0% $109,962
HRT FINANCIAL LP 0.62% 20,963 0% $98,000
Independent Advisor Alliance 0.45% 15,000 0% $70,350
NORTHERN TRUST CORP 0.41% 13,939 0% $65,374
HARBOUR INVESTMENTS, INC. 0.17% 5,862 -27% 0% $27,493
JONES FINANCIAL COMPANIES LLLP 0.06% 2,000 0% $8,820
Tower Research Capital LLC (TRC) 0.04% 1,445 +15% 0% $6,777
BARCLAYS PLC 0.01% 380 0% $1,782
SBI Securities Co., Ltd. 0% 31 -94% 0% $145
Caitong International Asset Management Co., Ltd 0% 21 0% $98
DANSKE BANK A/S 0% 1 0% 0% $5
OSAIC HOLDINGS, INC. 0% 1 0% 0% $4
UBS Group AG 0% 0 -100% $0
CITIGROUP INC 0% 0 -100% $0

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
5
Headline period
Q2 2026
Rows shown
1-5 of 5
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 431 $1,587 +$1,473 $3.68 1
2026 Q2 638,063 $2,991,637 +$1,365,410 $4.69 19
2026 Q1 348,560 $704,091 +$122,601 $2.02 14
2025 Q4 175,538 $817,479 +$102,174 $4.66 12
2025 Q3 152,667 $763,190 +$763,190 $5.00 9
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