Arqit Quantum Inc.
ARQQ- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001859690
In the last 90 days, Arqit Quantum Inc. insiders filed 0 open-market purchases and 7 sales; 64 institutions reported holding it in 13F filings for Q2 2026, worth $360.6M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Arqit Quantum Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 64
- +9 vs. Q1 2026
- Shares held
- 12.3M
- +8.30M (+207.0%) vs. Q1 2026
- Total value
- $360.6M
- +$307.5M (+579.0%) vs. Q1 2026
- New holders
- 21
- 19 more added
- Sold out
- 12
- 11 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ARQQ on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 64 | $360.6M |
| Q1 2026 | 57 | $53.3M |
| Q4 2025 | 60 | $82.3M |
| Q3 2025 | 57 | $73.1M |
| Q2 2025 | 42 | $45.4M |
| Q1 2025 | 31 | $6.88M |
| Q4 2024 | 30 | $12.3M |
| Q3 2024 | 13 | $257.3K |
| Q2 2024 | 25 | $926.4K |
| Q1 2024 | 28 | $7.03M |
| Q4 2023 | 32 | $3.42M |
| Q3 2023 | 34 | $10.7M |
| Q2 2023 | 33 | $17.8M |
| Q1 2023 | 44 | $22.1M |
| Q4 2022 | 38 | $64.1M |
| Q3 2022 | 24 | $20.7M |
| Q2 2022 | 32 | $16.2M |
| Q1 2022 | 34 | $50.4M |
| Q4 2021 | 24 | $24.1M |
| Q3 2021 | 17 | $16.5M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Arqit Quantum Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Penserra Capital Management LLC | 5,081,219 | $151.0M | 1.16% | +3,628,908+249.9% | Added |
| Defiance ETFs, LLC | 5,099,023 | $147.1M | 2.05% | +3,646,712+251.1% | Added |
| UBS Group AG | 522,874 | $15.5M | 0.00% | +437,439+512.0% | Added |
| Legal & General Group Plc | 275,939 | $8.15M | 0.00% | +223,307+424.3% | Added |
| National Bank of Canada | 212,000 | $6.30M | 0.01% | +210,907+19,296.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 188,182 | $5.59M | 0.01% | −136,127−42.0% | Reduced |
| Kessler Investment Group, LLC | 153,105 | $4.55M | 1.94% | −4,464−2.8% | Reduced |
| Bank of New York Mellon Corp | 99,146 | $2.95M | 0.00% | +87,234+732.3% | Added |
| Raymond James Financial Inc | 95,250 | $2.83M | 0.00% | +31,413+49.2% | Added |
| Millennium Management LLC | 78,717 | $2.34M | 0.00% | +24,691+45.7% | Added |
| Bank of America Corp | 54,192 | $1.61M | 0.00% | +35,000+182.4% | Added |
| Van Eck Associates Corp | 49,487 | $1.47M | 0.00% | +29,334+145.6% | Added |
| Cetera Investment Advisers | 38,198 | $1.14M | 0.00% | +38,198 | New |
| Banque Pictet & Cie SA | 36,000 | $1.07M | 0.01% | 00.0% | Unchanged |
| Man Group plc | 26,210 | $779.0K | 0.00% | +26,210 | New |
| SBI Securities Co., Ltd. | 26,135 | $776.7K | 0.02% | −974−3.6% | Reduced |
| Advisory Services Network, LLC | 21,737 | $646.0K | 0.01% | −100.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,296 | $632.9K | 0.00% | +11,318+113.4% | Added |
| Wells Fargo & Company | 21,291 | $632.8K | 0.00% | +6,198+41.1% | Added |
| KKM Financial LLC | 31,394 | $537.8K | 0.07% | +31,394 | New |
| LPL Financial LLC | 17,109 | $508.5K | 0.00% | +17,109 | New |
| Morgan Stanley | 16,276 | $483.7K | 0.00% | +6,897+73.5% | Added |
| Toroso Investments, LLC | 16,020 | $476.1K | 0.00% | +16,020 | New |
| Citigroup Inc | 14,572 | $433.1K | 0.00% | +4,725+48.0% | Added |
| Group One Trading, L.P. | 12,682 | $376.9K | 0.01% | −774−5.8% | Reduced |
| Simplex Trading, LLC | 11,472 | $340.9K | 0.01% | +11,472 | New |
| Royal Bank of Canada | 9,519 | $283.0K | 0.00% | +2,507+35.8% | Added |
| Geode Capital Management, LLC | 9,294 | $276.2K | 0.00% | +9,294 | New |
| HSBC Holdings PLC | 8,453 | $248.8K | 0.00% | +8,453 | New |
| Heck Capital Advisors, LLC | 7,882 | $234.3K | 0.01% | +7,882 | New |
| Goldman Sachs Group Inc | 7,293 | $216.7K | 0.00% | +7,293 | New |
| McGuire Investment Group, LLC | 6,928 | $205.9K | 0.02% | +6,928 | New |
| BlackRock, Inc. | 6,587 | $195.8K | 0.00% | +4,355+195.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,444 | $102.4K | 0.00% | −2,402−41.1% | Reduced |
| Jones Financial Companies LLLP | 4,071 | $98.8K | 0.00% | +675+19.9% | Added |
| Advisor Group Holdings, Inc. | 3,215 | $95.5K | 0.00% | +1,368+74.1% | Added |
| Center for Financial Planning, Inc. | 2,818 | $83.8K | 0.01% | +2,818 | New |
| Leonteq Securities AG | 1,500 | $44.6K | 0.00% | −225−13.0% | Reduced |
| Tower Research Capital LLC (TRC) | 1,254 | $37.3K | 0.00% | +1,254 | New |
| EFG International AG | 1,000 | $29.8K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 1,000 | $29.7K | 0.00% | +1,000 | New |
| Harbour Investments, Inc. | 900 | $26.7K | 0.00% | +100+12.5% | Added |
| Signaturefd, LLC | 600 | $17.8K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 600 | $17.8K | 0.00% | 00.0% | Unchanged |
| Ameritas Advisory Services, LLC | 564 | $16.8K | 0.00% | +564 | New |
| BNP Paribas Arbitrage, SA | 563 | $16.7K | 0.00% | +563 | New |
| Wolverine Asset Management LLC | 489 | $14.5K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 185 | $5.50K | 0.00% | −940−83.6% | Reduced |
| Farther Finance Advisors, LLC | 172 | $5.11K | 0.00% | +172 | New |
| Heritage Wealth Advisors | 130 | $3.86K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 122 | $3.64K | 0.00% | −140−53.4% | Reduced |
| West Financial Advisors, LLC | 100 | $2.97K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 40 | $1.19K | 0.00% | +40 | New |
| Quarry LP | 40 | $1.19K | 0.00% | +40 | New |
| US Bancorp | 35 | $1.04K | 0.00% | −100−74.1% | Reduced |
| Core Capital Management & Research, inc. | 44 | $930 | 0.00% | +44 | New |
| Y.D. More Investments Ltd | 8,881 | $886 | 0.00% | +8,881 | New |
| Investors Portfolio Services LLC | 28 | $832 | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 25 | $743 | 0.00% | −14−35.9% | Reduced |
| Parkside Financial Bank & Trust | 16 | $476 | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 16 | $476 | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 10 | $298 | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 2 | $57 | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 1 | $30 | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −41,400−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −38,069−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −33,199−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −12,321−100.0% | Sold out |
| Stonehage Fleming Financial Services Holdings Ltd | 0 | $0 | 0.00% | −11,528−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −696−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −444−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Basecamp Wealth Advisors LLC | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| Vermillion Wealth Management, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| True Vision MN LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |