Who Holds Arqit Quantum Inc. (ARQQ)? 63 Institutional Holders, Q2 2026
Managers with more than $100 million in US equities report their holdings on Form 13F within 45 days of each quarter end. Quarter ended 30 Jun 2026: 63 holders, $210 million in total.
Largest holders
The 63 largest by value. Change in shares against Q1 2026.
| Manager | Shares | Value | Change | |
|---|---|---|---|---|
| Defiance ETFs, LLC | 5,099,023 | $147 million | +251% | 13F |
| UBS Group AG | 522,874 | $16 million | +512% | 13F |
| Legal & General Group Plc | 275,939 | $8 million | +424% | 13F |
| NATIONAL BANK OF CANADA /FI/ | 212,000 | $6 million | +19296% | 13F |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 188,182 | $6 million | -42% | 13F |
| Kessler Investment Group, LLC | 153,105 | $5 million | -3% | 13F |
| Bank of New York Mellon Corp | 99,146 | $3 million | +732% | 13F |
| RAYMOND JAMES FINANCIAL INC | 95,250 | $3 million | +49% | 13F |
| MILLENNIUM MANAGEMENT LLC | 78,717 | $2 million | +46% | 13F |
| BANK OF AMERICA CORP /DE/ | 54,192 | $2 million | +182% | 13F |
| VAN ECK ASSOCIATES CORP | 49,487 | $1 million | +146% | 13F |
| Cetera Investment Advisers | 38,198 | $1 million | New | 13F |
| BANQUE PICTET & CIE SA | 36,000 | $1 million | +0% | 13F |
| Man Group plc | 26,210 | $778,961 | New | 13F |
| SBI Securities Co., Ltd. | 26,135 | $776,732 | -4% | 13F |
| Advisory Services Network, LLC | 21,737 | $646,023 | 0% | 13F |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,296 | $632,917 | +113% | 13F |
| WELLS FARGO & COMPANY/MN | 21,291 | $632,768 | +41% | 13F |
| KKM Financial LLC | 31,394 | $537,779 | New | 13F |
| LPL Financial LLC | 17,109 | $508,479 | New | 13F |
| MORGAN STANLEY | 16,276 | $483,723 | +74% | 13F |
| Tidal Investments LLC | 16,020 | $476,114 | New | 13F |
| CITIGROUP INC | 14,572 | $433,080 | +48% | 13F |
| GROUP ONE TRADING LLC | 12,682 | $376,909 | -6% | 13F |
| SIMPLEX TRADING, LLC | 11,472 | $340,947 | New | 13F |
| ROYAL BANK OF CANADA | 9,519 | $283,000 | +36% | 13F |
| GEODE CAPITAL MANAGEMENT, LLC | 9,294 | $276,217 | New | 13F |
| HSBC HOLDINGS PLC | 8,453 | $248,772 | New | 13F |
| Heck Capital Advisors, LLC | 7,882 | $234,254 | New | 13F |
| GOLDMAN SACHS GROUP INC | 7,293 | $216,748 | New | 13F |
| McGuire Investment Group, LLC | 6,928 | $205,900 | New | 13F |
| BlackRock, Inc. | 6,587 | $195,766 | +195% | 13F |
| Penserra Capital Management LLC | 5,081,219 | $151,013 | +250% | 13F |
| Mirae Asset Global Investments Co., Ltd. | 3,444 | $102,356 | -41% | 13F |
| JONES FINANCIAL COMPANIES LLLP | 4,071 | $98,762 | +20% | 13F |
| OSAIC HOLDINGS, INC. | 3,215 | $95,544 | +74% | 13F |
| Center for Financial Planning, Inc. | 2,818 | $83,751 | New | 13F |
| Leonteq Securities AG | 1,500 | $44,580 | -13% | 13F |
| Tower Research Capital LLC (TRC) | 1,254 | $37,269 | New | 13F |
| EFG International AG | 1,000 | $29,755 | +0% | 13F |
| Rockefeller Capital Management L.P. | 1,000 | $29,720 | New | 13F |
| HARBOUR INVESTMENTS, INC. | 900 | $26,748 | +13% | 13F |
| Integrated Wealth Concepts LLC | 624 | $18,545 | New | 13F |
| Steward Partners Investment Advisory, LLC | 600 | $17,832 | +0% | 13F |
| SIGNATUREFD, LLC | 600 | $17,832 | +0% | 13F |
| Ameritas Advisory Services, LLC | 564 | $16,776 | New | 13F |
| BNP PARIBAS FINANCIAL MARKETS | 563 | $16,732 | New | 13F |
| WOLVERINE ASSET MANAGEMENT LLC | 489 | $14,533 | +0% | 13F |
| IFP Advisors, Inc | 185 | $5,498 | -84% | 13F |
| Farther Finance Advisors, LLC | 172 | $5,112 | New | 13F |
| Heritage Wealth Advisors | 130 | $3,864 | +0% | 13F |
| Parallel Advisors, LLC | 122 | $3,640 | -53% | 13F |
| West Financial Advisors, LLC | 100 | $2,972 | +0% | 13F |
| Quarry LP | 40 | $1,189 | New | 13F |
| DEUTSCHE BANK AG\ | 40 | $1,189 | New | 13F |
| US BANCORP \DE\ | 35 | $1,040 | -74% | 13F |
| Y.D. More Investments Ltd | 8,881 | $886 | New | 13F |
| Investors Portfolio Services LLC | 28 | $832 | +0% | 13F |
| Cornerstone Financial Management LLC | 25 | $743 | -36% | 13F |
| CoreCap Advisors, LLC | 16 | $476 | +0% | 13F |
| MCF Advisors LLC | 10 | $298 | +0% | 13F |
| TD Waterhouse Canada Inc. | 2 | $57 | +0% | 13F |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1 | $30 | +0% | 13F |
Questions and answers
- How many institutions hold Arqit Quantum Inc.?
- 63 managers reported Arqit Quantum Inc. on Form 13F for the quarter ended 30 June 2026, against 56 the quarter before.
- Who is the largest institutional holder of Arqit Quantum Inc.?
- Defiance ETFs, LLC, with 5,099,023 shares worth $147 million on its 13F for Q2 2026.
- How many institutions bought or sold out of Arqit Quantum Inc. in Q2 2026?
- 21 managers reported a new position and 14 reported none after holding it the quarter before.
Source: SEC EDGAR, Form 13F (public domain). Counts and values as filed. Cite this page: Tamarly Intelligence, "Who holds Arqit Quantum Inc., Q2 2026", https://app.tamarly.ai/holders/arqit-quantum, built from SEC EDGAR.
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