Ken Griffin
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Ken Griffin’s Arqit Quantum ARQQ Stock Holding History

Ken Griffin’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

DE
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
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
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Tudor Investment Corp
Tudor Investment Corp Stamford, Connecticut $53.9B AUM 29.12% 1-Year Est. Return

Ken Griffin's ARQQ Position: Q2 2025 in Review

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

Ken Griffin 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.

  • Ken Griffin reported no remaining Arqit Quantum position as of Q2 2025 after selling out during the quarter.
  • Ken Griffin sold 22,043 Arqit Quantum shares in Q2 2025, an estimated $472K.
  • Ken Griffin first reported a position in Arqit Quantum in Q3 2021 and held it in 5 quarters.
  • Ken Griffin'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.