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GRDX · NASDAQ · Biotechnology

GridAI Technologies (GRDX)

Orchestrates energy resources for AI data centers while retaining a legacy gastrointestinal drug program.

$3.62
Pre-market+0.11 (+2.99%)
At close$3.52(−1.82%)
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Breakdown13F · 13D/G · Form 4

Institutions14 holders · as of Mar 31, 20264.89%348.6K shares
Insiders7 holders · as of Jul 8, 202611.09%791.0K shares
Otherremainder84.02%5.99M shares

7.13M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Two share counts disagree (7.13M in the company's Sep 3, 2026 report, 3.36M elsewhere); stakes use the report.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Jason David SawyerInsiderdirector, officer: Chief Executive Officer
7.57%540,00013Dfiled Jul 8, 2026 ↗
Renaissance Technologies LLCInstitution
2.58%183,80013Fas of Mar 31, 2026
Anna SkowronInsiderofficer: Interim CFO
0.91%65,000Form 4filed Dec 29, 2025 ↗
Edward BorkowskiInsiderdirector
0.84%60,248Form 4filed Jan 8, 2026 ↗
Federation Des Caisses Desjardins du QuebecInstitution
0.67%47,80013Fas of Mar 31, 2026
Geordan Garrett PursgloveInsiderdirector
0.56%40,000Form 4filed Jan 5, 2026 ↗
Jack SyageInsiderdirector
0.56%40,000Form 4filed Jun 3, 2026 ↗
Manpreet UppalInsiderdirector
0.56%40,000Form 4filed Jan 5, 2026 ↗
Geode Capital Management, LLCInstitution
0.47%33,27013Fas of Mar 31, 2026
State Street CorpInstitution
0.33%23,44613Fas of Mar 31, 2026
Vanguard Capital Management LLCInstitution
0.26%18,29313Fas of Mar 31, 2026
Vanguard Fiduciary Trust CoInstitution
0.23%16,34513Fas of Mar 31, 2026
Jane Street Group, LLCInstitution
0.18%12,65713Fas of Mar 31, 2026
Harbour Investments, Inc.Institution
0.11%7,99413Fas of Mar 31, 2026
Sarah RomanoInsiderofficer: Chief Financial Officer
0.08%5,762Form 4filed Jan 8, 2025 ↗
UBS Group AGInstitution
0.04%3,18713Fas of Mar 31, 2026
Tower Research Capital LLC (TRC)Institution
0.02%1,26113Fas of Mar 31, 2026
Sbi Securities Co., Ltd.Institution
0.01%50413Fas of Mar 31, 2026
Advisor Group Holdings, Inc.Institution
0.00%113Fas of Mar 31, 2026
Citigroup IncInstitution
0.00%113Fas of Mar 31, 2026
Danske Bank A/SInstitution
0.00%113Fas of Mar 31, 2026
Strategic EP, LLCStrategic
—5.00% of class, as filed—13Gfiled Jan 13, 2026 ↗
James Sapirstein1Insiderdirector, officer: Chairman and CEO
0.17%11,939Form 4filed Jul 3, 2024 ↗
Chaitan Phd Khosla2Insiderdirector
0.12%8,296Form 4filed Jun 12, 2024 ↗
  1. Last filed Jul 3, 2024; leaving the company requires no filing. Not in the bar.
  2. Last filed Jun 12, 2024; leaving the company requires no filing. Not in the bar.

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

14 holders · 348.6K shares · 6 new positions · 10 increased · 1 reduced · 4 closed

HolderShares% outstandingChg q/qFiled
Renaissance Technologies LLC183.8K2.58%+152.8KMay 14, 2026
Federation Des Caisses Desjardins du Quebec47.8K0.67%+47.8KnewMay 14, 2026
Geode Capital Management, LLC33.3K0.47%+12.9KMay 15, 2026
State Street Corp23.4K0.33%0May 15, 2026
Vanguard Capital Management LLC18.3K0.26%+18.3KnewMay 15, 2026
Vanguard Fiduciary Trust Co16.3K0.23%+16.3KnewMay 8, 2026
Jane Street Group, LLC12.7K0.18%+12.7KnewMay 12, 2026
Harbour Investments, Inc.8.0K0.11%+8.0KnewMay 15, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Jason David Sawyer7.10%540.0K13DJul 8, 2026 ↗
Strategic EP, LLC5.00%209.5K13GJan 13, 2026 ↗

Insider tradesForm 4

Latest trades

No open-market trades in the last 12 months.

CongressHouse and Senate disclosures

Not reported.