Citadel Advisors’s Arqit Quantum ARQQ Stock Holding History

Citadel Advisors’s Portfolio ARQQ Stock Details ARQQ Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.38M	Buy	104,000 +60,200	+137%	+$1.13M	﹤0.01%	6911
2025 Q4	$958K	Sell	43,800 -10,200	-19%	-$353K	﹤0.01%	7488
2025 Q3	$2.09M	Buy	54,000 +9,000	+20%	+$312K	﹤0.01%	5984
2025 Q2	$1.67M	Sell	45,000 -6,324	-12%	-$136K	﹤0.01%	6061
2025 Q1	$711K	Buy	51,324 +49,556	+2,803%	+$976K	﹤0.01%	7707
2024 Q4	$68.7K	Buy	+1,768	New	+$26.2K	﹤0.01%	12000
2024 Q2	–	Sell	-1,292	Closed	-$23.4K	–	14200
2024 Q1	$23.4K	Buy	+1,292	New	+$19K	﹤0.01%	12897
2022 Q4	–	Sell	-868	Closed	-$122K	–	14846
2022 Q3	$122K	Sell	868 -1,936	-69%	-$298K	﹤0.01%	10917
2022 Q2	$442K	Sell	2,804 -2,440	-47%	-$505K	﹤0.01%	8918
2022 Q1	$2.04M	Sell	5,244 -6,748	-56%	-$2.72M	﹤0.01%	6048
2021 Q4	$7.18M	Buy	+11,992	New	+$6.68M	﹤0.01%	3667

Other funds holding ARQQ

Defiance ETFs New York $6.98B AUM

PCM

Penserra Capital Management Orinda, California $8.52B AUM 37.76% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return

KIG

Kessler Investment Group Columbus, Indiana $234M AUM 51.88% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Tudor Investment Corp Stamford, Connecticut $53.9B AUM 29.12% 1-Year Est. Return

Citadel Advisors's ARQQ Position: Q2 2025 in Review

Citadel Advisors sold out of Arqit Quantum (ARQQ) in Q2 2025, closing a stake of 22,043 shares — an estimated $472K sold.

Citadel Advisors first reported a position in ARQQ in Q3 2021 and held it in 5 quarters. The position peaked at $810K in Q1 2022. 42 funds tracked by Wall St. Rank hold ARQQ as of Q2 2025.

Citadel Advisors reported no remaining Arqit Quantum position as of Q2 2025 after selling out during the quarter.
Citadel Advisors sold 22,043 Arqit Quantum shares in Q2 2025, an estimated $472K.
Citadel Advisors first reported a position in Arqit Quantum in Q3 2021 and held it in 5 quarters.
Citadel Advisors's Arqit Quantum position peaked at $810K in Q1 2022.
42 funds tracked by Wall St. Rank held Arqit Quantum as of Q2 2025.

Based on Citadel Advisors's 13F filing for Q2 2025, filed 14 Aug 2025.