Renaissance Technologies’s GridAI Technologies Corp GRDX Stock Holding History

Renaissance Technologies’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	$827K	Sell	176,300 -7,500	-4%	-$28.6K	﹤0.01%	2400
2026 Q1	$371K	Buy	183,800 +152,800	+493%	+$449K	﹤0.01%	2728
2025 Q4	$144K	Sell	31,000 -55,400	-64%	-$199K	﹤0.01%	2944
2025 Q3	$432K	Buy	86,400 +82,233	+1,973%	+$191K	﹤0.01%	2856
2025 Q2	$5K	Buy	+4,167	New	+$5.33K	﹤0.01%	3517
2021 Q3	–	Sell	-1	Closed	-$142K	–	3916
2021 Q2	$142K	Buy	+1	New	+$108K	﹤0.01%	3313
2021 Q1	–	Sell	-1	Closed	-$181K	–	3778
2020 Q4	$181K	Buy	+1	New	+$97K	﹤0.01%	3160
2020 Q3	–	Sell	-1	Closed	-$130K	–	3758
2020 Q2	$130K	Buy	+1	New	+$98.1K	﹤0.01%	3234
2020 Q1	–	Hold	0	–	–	–	3395
2019 Q4	–	Hold	0	–	-$14K	–	3791
2019 Q3	–	Hold	0	–	–	–	3383

Other funds holding GRDX

Citadel Advisors Miami, Florida $875B AUM 40.89% 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

Renaissance Technologies's GRDX Position: Q2 2026 in Review

Renaissance Technologies reduced its GridAI Technologies Corp (GRDX) stake by 4.1% in Q2 2026, selling an estimated $28.6K and leaving 176,300 shares worth $827K. The position accounts for ﹤0.01% of the portfolio, ranked #2400.

Renaissance Technologies first reported a position in GRDX in Q2 2020 and has held it in 8 quarters since. 19 funds tracked by Wall St. Rank hold GRDX as of Q2 2026.

Renaissance Technologies held 176,300 shares of GridAI Technologies Corp worth $827K as of Q2 2026.
Renaissance Technologies sold 7,500 GridAI Technologies Corp shares in Q2 2026, an estimated $28.6K.
GridAI Technologies Corp made up ﹤0.01% of Renaissance Technologies's portfolio in Q2 2026, its #2400 holding.
Renaissance Technologies first reported a position in GridAI Technologies Corp in Q2 2020 and has held it in 8 quarters since.
19 funds tracked by Wall St. Rank held GridAI Technologies Corp as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.