Citadel Advisors’s GridAI Technologies Corp GRDX Stock Holding History

Citadel Advisors’s Portfolio GRDX Stock Details GRDX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$400K	Buy	+85,325	New	+$325K	﹤0.01%	10427
2025 Q3	–	Sell	-4,138	Closed	-$4.97K	–	14390
2025 Q2	$4.97K	Buy	+4,138	New	+$5.3K	﹤0.01%	12233
2024 Q4	–	Sell	-3,351	Closed	-$3.46K	–	15556
2024 Q3	$3.46K	Buy	+3,351	New	+$5.96K	﹤0.01%	13653
2023 Q4	–	Sell	-1,364	Closed	-$23.7K	–	15412
2023 Q3	$23.7K	Buy	+1,364	New	+$46.5K	﹤0.01%	12482
2022 Q1	–	Sell	-1	Closed	-$20K	–	14750
2021 Q4	$20K	Buy	+1	New	+$27.3K	﹤0.01%	13588
2021 Q3	–	Sell	-1	Closed	-$141K	–	14802
2021 Q2	$141K	Buy	+1	New	+$108K	﹤0.01%	12560
2020 Q2	–	Hold	0	–	-$7K	–	10630
2020 Q1	–	Hold	0	–	–	–	9461

Other funds holding GRDX

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

FDCDDQ

Federation des caisses Desjardins du Quebec Levis, Quebec, Canada $32.7B AUM 35.71% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return

IAA

Independent Advisor Alliance Charlotte, North Carolina $4.27B AUM 45.92% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Citadel Advisors's GRDX Position: Q2 2026 in Review

Citadel Advisors opened a new position in GridAI Technologies Corp (GRDX) in Q2 2026: 85,325 shares worth $400K. The stake represents ﹤0.01% of the portfolio and ranks #10427 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in GRDX as recently as Q2 2025.

Citadel Advisors first reported a position in GRDX in Q2 2021 and has held it in 6 quarters since. 19 funds tracked by Wall St. Rank hold GRDX as of Q2 2026.

Citadel Advisors held 85,325 shares of GridAI Technologies Corp worth $400K as of Q2 2026.
GridAI Technologies Corp was a new Citadel Advisors position in Q2 2026.
GridAI Technologies Corp made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #10427 holding.
Citadel Advisors first reported a position in GridAI Technologies Corp in Q2 2021 and has held it in 6 quarters since.
19 funds tracked by Wall St. Rank held GridAI Technologies Corp as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.