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 | $71.8M |
| Q2 2025 | 42 | $44.6M |
| Q1 2025 | 31 | $6.88M |
| Q4 2024 | 30 | $12.3M |
| Q3 2024 | 13 | $257.0K |
| Q2 2024 | 25 | $925.5K |
| Q1 2024 | 28 | $6.88M |
| Q4 2023 | 32 | $3.37M |
| 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 |
|---|---|---|---|---|---|
| Healthcare of Ontario Pension Plan Trust Fund | 1 | $30 | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 2 | $57 | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 10 | $298 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 16 | $476 | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 16 | $476 | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 25 | $743 | 0.00% | −14−35.9% | Reduced |
| Investors Portfolio Services LLC | 28 | $832 | 0.00% | 00.0% | Unchanged |
| Y.D. More Investments Ltd | 8,881 | $886 | 0.00% | +8,881 | New |
| Core Capital Management & Research, inc. | 44 | $930 | 0.00% | +44 | New |
| US Bancorp | 35 | $1.04K | 0.00% | −100−74.1% | Reduced |
| Deutsche Bank AG | 40 | $1.19K | 0.00% | +40 | New |
| Quarry LP | 40 | $1.19K | 0.00% | +40 | New |
| West Financial Advisors, LLC | 100 | $2.97K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 122 | $3.64K | 0.00% | −140−53.4% | Reduced |
| Heritage Wealth Advisors | 130 | $3.86K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 172 | $5.11K | 0.00% | +172 | New |
| IFP Advisors, Inc | 185 | $5.50K | 0.00% | −940−83.6% | Reduced |
| Wolverine Asset Management LLC | 489 | $14.5K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 563 | $16.7K | 0.00% | +563 | New |
| Ameritas Advisory Services, LLC | 564 | $16.8K | 0.00% | +564 | New |
| Signaturefd, LLC | 600 | $17.8K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 600 | $17.8K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 900 | $26.7K | 0.00% | +100+12.5% | Added |
| Rockefeller Capital Management L.P. | 1,000 | $29.7K | 0.00% | +1,000 | New |
| EFG International AG | 1,000 | $29.8K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,254 | $37.3K | 0.00% | +1,254 | New |
| Leonteq Securities AG | 1,500 | $44.6K | 0.00% | −225−13.0% | Reduced |
| Center for Financial Planning, Inc. | 2,818 | $83.8K | 0.01% | +2,818 | New |
| Advisor Group Holdings, Inc. | 3,215 | $95.5K | 0.00% | +1,368+74.1% | Added |
| Jones Financial Companies LLLP | 4,071 | $98.8K | 0.00% | +675+19.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,444 | $102.4K | 0.00% | −2,402−41.1% | Reduced |
| BlackRock, Inc. | 6,587 | $195.8K | 0.00% | +4,355+195.1% | Added |
| McGuire Investment Group, LLC | 6,928 | $205.9K | 0.02% | +6,928 | New |
| Goldman Sachs Group Inc | 7,293 | $216.7K | 0.00% | +7,293 | New |
| Heck Capital Advisors, LLC | 7,882 | $234.3K | 0.01% | +7,882 | New |
| HSBC Holdings PLC | 8,453 | $248.8K | 0.00% | +8,453 | New |
| Geode Capital Management, LLC | 9,294 | $276.2K | 0.00% | +9,294 | New |
| Royal Bank of Canada | 9,519 | $283.0K | 0.00% | +2,507+35.8% | Added |
| Simplex Trading, LLC | 11,472 | $340.9K | 0.01% | +11,472 | New |
| Group One Trading, L.P. | 12,682 | $376.9K | 0.01% | −774−5.8% | Reduced |
| Citigroup Inc | 14,572 | $433.1K | 0.00% | +4,725+48.0% | Added |
| Toroso Investments, LLC | 16,020 | $476.1K | 0.00% | +16,020 | New |
| Morgan Stanley | 16,276 | $483.7K | 0.00% | +6,897+73.5% | Added |
| LPL Financial LLC | 17,109 | $508.5K | 0.00% | +17,109 | New |
| KKM Financial LLC | 31,394 | $537.8K | 0.07% | +31,394 | New |
| Wells Fargo & Company | 21,291 | $632.8K | 0.00% | +6,198+41.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,296 | $632.9K | 0.00% | +11,318+113.4% | Added |
| Advisory Services Network, LLC | 21,737 | $646.0K | 0.01% | −100.0% | Reduced |
| SBI Securities Co., Ltd. | 26,135 | $776.7K | 0.02% | −974−3.6% | Reduced |
| Man Group plc | 26,210 | $779.0K | 0.00% | +26,210 | New |
| Banque Pictet & Cie SA | 36,000 | $1.07M | 0.01% | 00.0% | Unchanged |
| Cetera Investment Advisers | 38,198 | $1.14M | 0.00% | +38,198 | New |
| Van Eck Associates Corp | 49,487 | $1.47M | 0.00% | +29,334+145.6% | Added |
| Bank of America Corp | 54,192 | $1.61M | 0.00% | +35,000+182.4% | Added |
| Millennium Management LLC | 78,717 | $2.34M | 0.00% | +24,691+45.7% | Added |
| Raymond James Financial Inc | 95,250 | $2.83M | 0.00% | +31,413+49.2% | Added |
| Bank of New York Mellon Corp | 99,146 | $2.95M | 0.00% | +87,234+732.3% | Added |
| Kessler Investment Group, LLC | 153,105 | $4.55M | 1.94% | −4,464−2.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 188,182 | $5.59M | 0.01% | −136,127−42.0% | Reduced |
| National Bank of Canada | 212,000 | $6.30M | 0.01% | +210,907+19,296.2% | Added |
| Legal & General Group Plc | 275,939 | $8.15M | 0.00% | +223,307+424.3% | Added |
| UBS Group AG | 522,874 | $15.5M | 0.00% | +437,439+512.0% | Added |
| Defiance ETFs, LLC | 5,099,023 | $147.1M | 2.05% | +3,646,712+251.1% | Added |
| Penserra Capital Management LLC | 5,081,219 | $151.0M | 1.16% | +3,628,908+249.9% | Added |
| 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 |