Arqit QuantumARQQ
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 56 institutions reported holding Arqit Quantum Inc. (ARQQ) in their 13F filings, down 4 from Q4 2025. 10 opened new positions and 14 sold out. The largest holders were Defiance ETFs, LLC ($19.2M), Penserra Capital Management LLC ($19.2M) and MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. ($4.3M). 3 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Arqit Quantum Inc.
- CUSIP
- G0567U127
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 10 | $2.1M |
| Exits | 14 | $919K |
All 13F filers, Q4 2025 → Q1 2026: 466,872 shares bought and 206,662 shares sold, net +260,210 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 56 holders
| Defiance ETFs, LLC | 0.28% | Add +5.3% | 1,452,311 | $19.2M |
| Penserra Capital Management LLC | 0.23% | Add +5.3% | 1,452,311 | $19.2M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.01% | Add +7.5% | 324,309 | $4.3M |
| Kessler Investment Group, LLC | 0.99% | Add +229.3% | 157,569 | $2.1M |
| UBS Group AG | 0.00% | Reduce -42.0% | 85,435 | $1.1M |
| Raymond James Financial Inc. | 0.00% | Add +0.9% | 63,837 | $846K |
| Millennium Management | 0.00% | New | 54,026 | $716K |
| Legal & General Group Plc | 0.00% | Reduce -20.5% | 52,632 | $699K |
| Renaissance Technologies | 0.00% | New | 41,400 | $549K |
| Tudor Investment Corporation | 0.00% | New | 38,069 | $504K |
| Banque Pictet & Cie SA | 0.01% | No change | 36,000 | $477K |
| Jane Street Group, LLC | 0.00% | Reduce -49.5% | 33,199 | $440K |
| SBI Securities Co., Ltd. | 0.01% | Reduce -12.8% | 27,109 | $359K |
| Advisory Services Network, LLC | 0.00% | Add +9.0% | 21,747 | $288K |
| Van Eck Associates Corp. | 0.00% | Add +52.8% | 20,153 | $267K |
| Bank of America Corp. | 0.00% | Reduce -1.6% | 19,192 | $254K |
| Wells Fargo & Company | 0.00% | Add +48.0% | 15,093 | $200K |
| True Vision MN LLC | 0.10% | New | 14,848 | $197K |
| Group One Trading LLC | 0.01% | Reduce -14.8% | 13,456 | $178K |
| Headlands Technologies LLC | 0.02% | New | 12,321 | $163K |
| Bank of New York Mellon Corp | 0.00% | Reduce -37.2% | 11,912 | $158K |
| Stonehage Fleming Financial Services Holdings Ltd | 0.01% | No change | 11,528 | $153K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +41.8% | 9,978 | $132K |
| Citigroup Inc. | 0.00% | Reduce -47.8% | 9,847 | $130K |
| Morgan Stanley | 0.00% | Reduce -6.6% | 9,379 | $124K |
| Royal Bank of Canada | 0.00% | Add +133.4% | 7,012 | $92K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +16.5% | 5,846 | $77K |
| Jones Financial Companies LLLP | 0.00% | Add +4.0% | 3,396 | $40K |
| BlackRock, Inc. | 0.00% | Add +264.1% | 2,232 | $30K |
| Osaic Holdings, Inc. | 0.00% | Reduce -38.5% | 1,847 | $24K |
| Leonteq Securities AG | 0.00% | Reduce -61.7% | 1,725 | $23K |
| IFP Advisors, Inc | 0.00% | Add +108.7% | 1,125 | $15K |
| National Bank of Canada | 0.00% | Reduce -96.4% | 1,093 | $14K |
| EFG International AG | 0.00% | No change | 1,000 | $13K |
| Allworth Financial LP | 0.00% | No change | 1,000 | $13K |
| Harbour Investments, Inc. | 0.00% | Add +300.0% | 800 | $11K |
| Federation des caisses Desjardins du Quebec | 0.00% | New | 696 | $9K |
| Signaturefd, LLC | 0.00% | No change | 600 | $8K |
| Steward Partners Investment Advisory, LLC | 0.00% | New | 600 | $8K |
| Wolverine Asset Management LLC | 0.00% | No change | 489 | $6K |
| Quantbot Technologies LP | 0.00% | Add +18.1% | 444 | $6K |
| Parallel Advisors, LLC | 0.00% | Add +297.0% | 262 | $3K |
| Sunbelt Securities, Inc. | 0.00% | No change | 250 | $3K |
| MAI Capital Management | 0.00% | No change | 200 | $3K |
| US Bancorp \de | 0.00% | Add +35.0% | 135 | $2K |
| Heritage Wealth Advisors | 0.00% | No change | 130 | $2K |
| West Financial Advisors, LLC | 0.00% | No change | 100 | $1K |
| Cornerstone Financial Management LLC | 0.00% | No change | 39 | $517 |
| Basecamp Wealth Advisors LLC | 0.00% | No change | 38 | $504 |
| Investors Portfolio Services LLC | 0.00% | New | 28 | $397 |
| Parkside Financial Bank & Trust | 0.00% | No change | 16 | $212 |
| CoreCap Advisors, LLC | 0.00% | No change | 16 | $212 |
| MCF Advisors LLC | 0.00% | No change | 10 | $133 |
| TD Waterhouse Canada Inc. | 0.00% | New | 2 | $27 |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | No change | 1 | $13 |
| Vermillion Wealth Management, Inc. | 0.00% | New | 1 | $13 |
"% of holder's portfolio" is ARQQ's weight in each manager's 13F, not the share of Arqit Quantum Inc. the manager owns.