Arqit Quantum Inc. - ARQQ
Detailed investor-level table based on 13F positions.
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 |