Arqit Quantum Inc. - ARQQ

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Defiance ETFs, LLC History New 1,378,655 30,247 0.99% 1 +1,378,655 New Q4 2025 Feb 17, 2026
Penserra Capital Management LLC History Added to 1,378,655 30,164 0.36% 0.47% 2 +357,407 35.0% Q4 2025 Feb 12, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History New 301,713 6,601 0.01% 3 +301,713 New Q4 2025 Feb 17, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 241,433 5,282 0.0% 0.0% 4 -92,385 -27.68% Q4 2025 Feb 17, 2026
JANE STREET GROUP, LLC History Reduced 156,275 3,419 0.0% 0.0% 5 -829 -0.53% Q4 2025 Feb 12, 2026
UBS Group AG History Added to 147,397 3,225 0.0% 0.0% 6 +70,811 92.46% Q4 2025 Jan 29, 2026
CITADEL ADVISORS LLC History Reduced 87,300 1,910 0.0% 0.0% 7 -5,900 -6.33% Q4 2025 Feb 17, 2026
Crawford Fund Management, LLC History Added to 75,000 1,641 0.22% 0.1% 8 +59,000 368.75% Q4 2025 Feb 17, 2026
Legal & General Group Plc History Reduced 66,232 1,449 0.0% 0.0% 9 -9,539 -12.59% Q4 2025 Feb 09, 2026
RAYMOND JAMES FINANCIAL INC History Reduced 63,253 1,383 0.0% 0.0% 10 -21,460 -25.33% Q4 2025 Feb 18, 2026
NATIONAL BANK OF CANADA /FI/ History Added to 30,627 1,304 0.0% 0.0% 11 +29,921 4238.1% Q4 2025 Feb 17, 2026
Kessler Investment Group, LLC History New 47,849 1,046 0.44% 12 +47,849 New Q4 2025 Feb 03, 2026
BANQUE PICTET & CIE SA History No change 36,000 787 0.0% 0.01% 13 0 0.0% Q4 2025 Jan 16, 2026
SBI Securities Co., Ltd. History Reduced 31,079 680 0.02% 0.04% 14 -9,170 -22.78% Q4 2025 Feb 03, 2026
GROUP ONE TRADING LLC History Added to 24,499 536 0.0% 0.0% 15 +4,762 24.13% Q4 2025 Feb 12, 2026
Advisory Services Network, LLC History No change 19,944 436 0.01% 0.01% 16 0 0.0% Q4 2025 Feb 17, 2026
BANK OF AMERICA CORP /DE/ History Added to 19,504 426 0.0% 0.0% 17 +19,214 6625.52% Q4 2025 Feb 17, 2026
Bank of New York Mellon Corp History New 18,976 415 0.0% 18 +18,976 New Q4 2025 Feb 10, 2026
CITIGROUP INC History Added to 18,859 412 0.0% 0.0% 19 +9,342 98.16% Q4 2025 Feb 13, 2026
VAN ECK ASSOCIATES CORP History Reduced 13,193 289 0.0% 0.0% 20 -13,422 -50.43% Q4 2025 Feb 13, 2026
Veracity Capital LLC History Reduced 12,207 267 0.08% 0.16% 21 -813 -6.24% Q4 2025 Jan 29, 2026
Stonehage Fleming Financial Services Holdings Ltd History New 11,528 252 0.01% 22 +11,528 New Q4 2025 Jan 13, 2026
WELLS FARGO & COMPANY/MN History Added to 10,195 223 0.0% 0.0% 23 +7,677 304.88% Q4 2025 Feb 13, 2026
MORGAN STANLEY History Added to 10,045 219 0.0% 0.0% 24 +1,981 24.57% Q4 2025 Feb 13, 2026
Zurcher Kantonalbank (Zurich Cantonalbank) History Reduced 7,038 153 0.0% 0.0% 25 -7,435 -51.37% Q4 2025 Jan 27, 2026
Mirae Asset Global Investments Co., Ltd. History New 5,019 109 0.0% 26 +5,019 New Q4 2025 Jan 26, 2026
Leonteq Securities AG History Added to 4,500 98 0.0% 0.0% 27 +875 24.14% Q4 2025 Feb 06, 2026
FLAGSHIP HARBOR ADVISORS, LLC History New 3,439 75 0.0% 28 +3,439 New Q4 2025 Jan 21, 2026
JONES FINANCIAL COMPANIES LLLP History Added to 3,267 71 0.0% 0.0% 29 +1,061 48.1% Q4 2025 Feb 17, 2026
ROYAL BANK OF CANADA History New 3,004 66 0.0% 30 +3,004 New Q4 2025 Feb 17, 2026
OSAIC HOLDINGS, INC. History Added to 3,004 65 0.0% 0.0% 31 +1,132 60.47% Q4 2025 Feb 17, 2026
Kestra Advisory Services, LLC History New 1,813 39 0.0% 32 +1,813 New Q4 2025 Feb 13, 2026
BNP PARIBAS FINANCIAL MARKETS History New 1,733 37 0.0% 33 +1,733 New Q4 2025 Feb 10, 2026
SIMPLEX TRADING, LLC History Reduced 1,200 26 0.0% 0.0% 34 -28,493 -95.96% Q4 2025 Feb 11, 2026
Allworth Financial LP History New 1,000 21 0.0% 37 +1,000 New Q4 2025 Feb 05, 2026
EFG International AG History New 1,000 21 0.0% 38 +1,000 New Q4 2025 Feb 17, 2026
ALBION FINANCIAL GROUP /UT History No change 1,000 21 0.0% 0.0% 35 0 0.0% Q4 2025 Jan 21, 2026
WOLVERINE ASSET MANAGEMENT LLC History No change 989 21 0.0% 0.0% 36 0 0.0% Q4 2025 Feb 02, 2026
Noble Wealth Management PBC History Added to 880 19 0.01% 0.01% 39 +180 25.71% Q4 2025 Jan 05, 2026
BlackRock, Inc. History Reduced 613 13 0.0% 0.0% 41 -1,388 -69.37% Q4 2025 Feb 12, 2026
SIGNATUREFD, LLC History No change 600 13 0.0% 0.0% 40 0 0.0% Q4 2025 Jan 20, 2026
IFP Advisors, Inc History New 539 11 0.0% 43 +539 New Q4 2025 Feb 06, 2026
Tower Research Capital LLC (TRC) History Added to 533 11 0.0% 0.0% 42 +386 262.59% Q4 2025 Feb 17, 2026
Quantbot Technologies LP History New 376 8 0.0% 44 +376 New Q4 2025 Feb 10, 2026
Cape Investment Advisory, Inc. History New 245 5 0.0% 46 +245 New Q4 2025 Feb 17, 2026
Sunbelt Securities, Inc. History No change 250 5 0.0% 0.0% 45 0 0.0% Q4 2025 Feb 20, 2026
HARBOUR INVESTMENTS, INC. History New 200 4 0.0% 47 +200 New Q4 2025 Feb 09, 2026
MAI Capital Management History New 200 4 0.0% 48 +200 New Q4 2025 Feb 13, 2026
Heritage Wealth Advisors History Added to 130 2 0.0% 0.0% 50 +20 18.18% Q4 2025 Feb 13, 2026
US BANCORP \DE\ History No change 100 2 0.0% 0.0% 49 0 0.0% Q4 2025 Jan 30, 2026
West Financial Advisors, LLC History No change 100 2 0.0% 0.0% 51 0 0.0% Q4 2025 Jan 13, 2026
Strengthening Families & Communities, LLC History New 50 1 0.0% 53 +50 New Q4 2025 Feb 03, 2026
Parallel Advisors, LLC History No change 66 1 0.0% 0.0% 52 0 0.0% Q4 2025 Feb 11, 2026
JPMORGAN CHASE & CO History Closed out 0 0 0.0% -34,033 -100.0% Q3 2025 Nov 26, 2025
TUDOR INVESTMENT CORP ET AL History Closed out 0 0 4.81% -26,763 -100.0% Q3 2025 Dec 09, 2025
PEAK6 LLC History Closed out 0 0 0.0% -15,900 -100.0% Q3 2025 Mar 30, 2026
MILLENNIUM MANAGEMENT LLC History Closed out 0 0 0.0% -15,161 -100.0% Q3 2025 Nov 14, 2025
COOKSON PEIRCE & CO INC History Closed out 0 0 0.02% -15,000 -100.0% Q3 2025 Nov 06, 2025
Informed Momentum Co LLC History Closed out 0 0 0.06% -14,122 -100.0% Q3 2025 Nov 14, 2025
ENVESTNET ASSET MANAGEMENT INC History Closed out 0 0 0.0% -13,002 -100.0% Q3 2025 Nov 05, 2025
LPL Financial LLC History Closed out 0 0 0.0% -9,530 -100.0% Q3 2025 Nov 12, 2025
GEODE CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.0% -7,246 -100.0% Q3 2025 Nov 12, 2025
Virtu Financial LLC History Closed out 0 0 0.01% -6,306 -100.0% Q3 2025 Nov 14, 2025
Cetera Investment Advisers History Closed out 0 0 0.0% -6,156 -100.0% Q3 2025 Nov 14, 2025
Cresset Asset Management, LLC History Closed out 0 0 0.0% -6,112 -100.0% Q3 2025 Jan 22, 2026
Biltmore Family Office, LLC History Closed out 0 0 0.03% -5,777 -100.0% Q3 2025 Oct 31, 2025
Steward Partners Investment Advisory, LLC History Closed out 0 0 0.0% -700 -100.0% Q3 2025 Nov 12, 2025
Ameritas Advisory Services, LLC History Closed out 0 0 0.0% -100 -100.0% Q3 2025 Nov 06, 2025
Caitong International Asset Management Co., Ltd History Closed out 0 0 0.0% -69 -100.0% Q3 2025 Nov 19, 2025
Cornerstone Financial Management LLC History New 39 0 +39 New Q4 2025 Feb 13, 2026
NewEdge Advisors, LLC History New 30 0 +30 New Q4 2025 Feb 18, 2026
Root Financial Partners, LLC History Closed out 0 0 -24 -100.0% Q3 2025 Oct 29, 2025
Turning Point Benefit Group, Inc. History New 18 0 +18 New Q4 2025 Jan 30, 2026
Parkside Financial Bank & Trust History New 16 0 +16 New Q4 2025 Feb 13, 2026
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO History New 2 0 +2 New Q4 2025 Feb 10, 2026
NATIXIS History No change 1 0 0 0.0% Q4 2025 Feb 13, 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND History No change 1 0 0 0.0% Q4 2025 Feb 13, 2026
MCF Advisors LLC History No change 10 0 0 0.0% Q4 2025 Feb 11, 2026
CoreCap Advisors, LLC History No change 16 0 0 0.0% Q4 2025 Jan 13, 2026
Covestor Ltd History No change 1 0 0 0.0% Q4 2025 Feb 06, 2026