Stock Ownership/GRDX

GRIDAI TECHNOLOGIES CORP (GRDX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in GRDX · Utilities. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
2
13F filers
Aggregate Value
$1.2M
Across holders
Last Price
$4.80
2026-10-08
Sector
Utilities
GICS
Quarterly fund activity1 increased1 reduced0 exited
Institutional Holders of GRDX
↗
2 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund176K$827K67.4%0.0%Reduced$-35KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund85K$400K32.6%0.0%Added—Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$827K· 67.4% of total· 0.0% port· 176K sh· $-35K QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$400K· 32.6% of total· 0.0% port· 85K sh· — QoQ· Q2 2026
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