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 5 sales; 64 institutions reported holding it in 13F filings for Q2 2026, worth $360.6M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Arqit Quantum Inc. as of Dec 31, 2025. 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
- 60
- +5 vs. Q3 2025
- Shares held
- 3.76M
- +1.91M (+103.8%) vs. Q3 2025
- Total value
- $82.3M
- +$10.9M (+15.2%) vs. Q3 2025
- New holders
- 22
- 15 more added
- Sold out
- 17
- 9 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding Arqit Quantum Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Natixis | 1 | $22 | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 1 | $22 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 2 | $44 | 0.00% | +2 | New |
| MCF Advisors LLC | 10 | $219 | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 16 | $350 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 16 | $351 | 0.00% | +16 | New |
| Turning Point Benefit Group, Inc. | 18 | $394 | 0.00% | +18 | New |
| GWM Advisors LLC | 30 | $656 | 0.00% | +30 | New |
| Basecamp Wealth Advisors LLC | 38 | $831 | 0.00% | +38 | New |
| Cornerstone Financial Management LLC | 39 | $853 | 0.00% | +39 | New |
| Strengthening Families & Communities, LLC | 50 | $1.09K | 0.00% | +50 | New |
| Parallel Advisors, LLC | 66 | $1.45K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 100 | $2.19K | 0.00% | 00.0% | Unchanged |
| West Financial Advisors, LLC | 100 | $2.19K | 0.00% | 00.0% | Unchanged |
| Heritage Wealth Advisors | 130 | $2.84K | 0.00% | +20+18.2% | Added |
| Harbour Investments, Inc. | 200 | $4.38K | 0.00% | +200 | New |
| MAI Capital Management | 200 | $4.38K | 0.00% | +200 | New |
| Cape Investment Advisory, Inc. | 245 | $5.36K | 0.00% | +245 | New |
| Sunbelt Securities, Inc. | 250 | $5.47K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 376 | $8.23K | 0.00% | +376 | New |
| Wolverine Asset Management LLC | 489 | $10.7K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 533 | $11.7K | 0.00% | +386+262.6% | Added |
| IFP Advisors, Inc | 539 | $11.8K | 0.00% | +539 | New |
| Signaturefd, LLC | 600 | $13.1K | 0.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 613 | $13.4K | 0.00% | −1,388−69.4% | Reduced |
| Noble Wealth Management PBC | 880 | $19.3K | 0.01% | +180+25.7% | Added |
| Albion Financial Group | 1,000 | $21.9K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 1,000 | $21.9K | 0.00% | 00.0% | Unchanged |
| EFG International AG | 1,000 | $21.9K | 0.00% | +1,000 | New |
| BNP Paribas Arbitrage, SA | 1,733 | $37.9K | 0.00% | +1,733 | New |
| Kestra Advisory Services, LLC | 1,813 | $39.7K | 0.00% | +1,813 | New |
| Advisor Group Holdings, Inc. | 3,004 | $65.7K | 0.00% | +1,132+60.5% | Added |
| Royal Bank of Canada | 3,004 | $66.0K | 0.00% | −1,660−35.6% | Reduced |
| Jones Financial Companies LLLP | 3,267 | $71.5K | 0.00% | +1,061+48.1% | Added |
| Flagship Harbor Advisors, LLC | 3,439 | $75.2K | 0.00% | +3,439 | New |
| Leonteq Securities AG | 4,500 | $98.5K | 0.01% | +875+24.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 5,019 | $109.8K | 0.00% | +5,019 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,038 | $154.0K | 0.00% | −7,435−51.4% | Reduced |
| Morgan Stanley | 10,045 | $219.8K | 0.00% | +1,981+24.6% | Added |
| Wells Fargo & Company | 10,195 | $223.1K | 0.00% | +7,677+304.9% | Added |
| Stonehage Fleming Financial Services Holdings Ltd | 11,528 | $252.2K | 0.01% | +11,528 | New |
| Veracity Capital LLC | 12,207 | $267.1K | 0.08% | −813−6.2% | Reduced |
| Van Eck Associates Corp | 13,193 | $289.0K | 0.00% | −13,422−50.4% | Reduced |
| Group One Trading, L.P. | 15,799 | $345.7K | 0.01% | +10,562+201.7% | Added |
| Citigroup Inc | 18,859 | $412.6K | 0.00% | +9,342+98.2% | Added |
| Bank of New York Mellon Corp | 18,976 | $415.2K | 0.00% | +18,976 | New |
| Bank of America Corp | 19,504 | $426.7K | 0.00% | +19,214+6,625.5% | Added |
| Advisory Services Network, LLC | 19,944 | $436.4K | 0.01% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 20,033 | $438.3K | 0.00% | −172,785−89.6% | Reduced |
| National Bank of Canada | 30,334 | $663.7K | 0.00% | +29,628+4,196.6% | Added |
| SBI Securities Co., Ltd. | 31,079 | $680.0K | 0.02% | −9,170−22.8% | Reduced |
| Banque Pictet & Cie SA | 36,000 | $787.7K | 0.01% | 00.0% | Unchanged |
| Kessler Investment Group, LLC | 47,849 | $1.05M | 0.44% | +47,849 | New |
| Raymond James Financial Inc | 63,253 | $1.38M | 0.00% | −21,460−25.3% | Reduced |
| Jane Street Group, LLC | 65,775 | $1.44M | 0.00% | +36,471+124.5% | Added |
| Legal & General Group Plc | 66,232 | $1.45M | 0.00% | −9,539−12.6% | Reduced |
| UBS Group AG | 147,397 | $3.23M | 0.00% | +70,811+92.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 301,713 | $6.60M | 0.01% | +301,713 | New |
| Penserra Capital Management LLC | 1,378,655 | $30.2M | 0.36% | +357,407+35.0% | Added |
| Defiance ETFs, LLC | 1,378,655 | $30.2M | 0.99% | +1,378,655 | New |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −34,033−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −17,793−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −16,763−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −15,161−100.0% | Sold out |
| Cookson Peirce & Co Inc | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −14,122−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −13,002−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −9,530−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −7,246−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −6,306−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −6,156−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −6,112−100.0% | Sold out |
| Biltmore Family Office, LLC | 0 | $0 | 0.00% | −5,777−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −69−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Wolverine Trading, LLC | – | – | – | – | Not filed |
| Maso Capital Partners Ltd | – | – | – | – | Not filed |