Jane Street
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Jane Street’s Arqit Quantum ARQQ Stock Holding History

Jane Street’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
Q2 		$2.12M Buy
71,500
+56,400
+374% +$918K ﹤0.01% 5058
2026
Q1 		$200K Sell
15,100
-21,200
-58% -$399K ﹤0.01% 10151
2025
Q4 		$794K Sell
36,300
-31,800
-47% -$1.1M ﹤0.01% 6634
2025
Q3 		$2.64M Buy
68,100
+8,700
+15% +$301K ﹤0.01% 4436
2025
Q2 		$2.2M Buy
59,400
+47,100
+383% +$1.01M ﹤0.01% 4263
2025
Q1 		$170K Buy
+12,300
New +$242K ﹤0.01% 8558
2022
Q2 		– Sell
-4,116
Closed -$1.6M – 9601
2022
Q1 		$1.6M Sell
4,116
-4,004
-49% -$1.61M ﹤0.01% 5166
2021
Q4 		$4.86M Buy
+8,120
New +$4.52M ﹤0.01% 2902

Other funds holding ARQQ

PCM
Penserra Capital Management Orinda, California $13B AUM 71.84% 1-Year Est. Return
DE
Defiance ETFs New York $7.37B AUM
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return
National Bank of Canada
National Bank of Canada Montreal, Quebec, Canada $140B AUM 46.34% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return
KIG
Kessler Investment Group Columbus, Indiana $234M AUM 51.88% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Jane Street's ARQQ Position: Q2 2026 in Review

Jane Street sold out of Arqit Quantum (ARQQ) in Q2 2026, closing a stake of 33,199 shares — an estimated $540K sold.

Jane Street first reported a position in ARQQ in Q3 2021 and held it in 12 quarters. The position peaked at $1.44M in Q4 2025. 64 funds tracked by Wall St. Rank hold ARQQ as of Q2 2026.

  • Jane Street reported no remaining Arqit Quantum position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 33,199 Arqit Quantum shares in Q2 2026, an estimated $540K.
  • Jane Street first reported a position in Arqit Quantum in Q3 2021 and held it in 12 quarters.
  • Jane Street's Arqit Quantum position peaked at $1.44M in Q4 2025.
  • 64 funds tracked by Wall St. Rank held Arqit Quantum as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.