GRDX GridAI Technologies Corp.: institutional ownership and insider trading
20 funds reported holding $3.09M of GridAI Technologies Corp. in their latest 13F filings; in Q2 2026 funds net bought $1.36M, with 7 new positions and 2 funds selling out; over the last 12 months insiders bought $0 and sold $0 on the open market.
Famous investors holding GRDX
- Renaissance Technologies (Renaissance Technologies): $827K, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $400K, 0.0% of the portfolio
Largest institutional holders of GRDX
- RENAISSANCE TECHNOLOGIES LLC — $827K
- CITADEL ADVISORS LLC — $400K
- Federation des caisses Desjardins du Quebec — $358K
- VANGUARD CAPITAL MANAGEMENT LLC — $347K
- GEODE CAPITAL MANAGEMENT, LLC — $281K
- JANE STREET GROUP, LLC — $231K
- VANGUARD FIDUCIARY TRUST CO — $159K
- STATE STREET CORP (STT, STT-PG) — $110K
- VANGUARD GROUP INC — $101K
- HRT FINANCIAL LP — $98.0K
Recent GRDX insider trades
- Jan 6, 2025: Romano Sarah sold 727 shares ($465)
5%+ owners
- Jason David Sawyer: 7.1% (Schedule 13D, filed Jul 8, 2026)
- Strategic EP, LLC: 5.0% (Schedule 13G, filed Jan 13, 2026)