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, Q1 2026
Institutional positions in Arqit Quantum Inc. as of Mar 31, 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
- 57
- −3 vs. Q4 2025
- Shares held
- 4.02M
- +265.2K (+7.1%) vs. Q4 2025
- Total value
- $53.3M
- −$29.0M (−35.2%) vs. Q4 2025
- New holders
- 11
- 18 more added
- Sold out
- 14
- 12 more reduced
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Arqit Quantum Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Healthcare of Ontario Pension Plan Trust Fund | 1 | $13 | 0.00% | 00.0% | Unchanged |
| Vermillion Wealth Management, Inc. | 1 | $13 | 0.00% | +1 | New |
| TD Waterhouse Canada Inc. | 2 | $27 | 0.00% | +2 | New |
| MCF Advisors LLC | 10 | $133 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 16 | $212 | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 16 | $212 | 0.00% | 00.0% | Unchanged |
| Investors Portfolio Services LLC | 28 | $397 | 0.00% | +28 | New |
| Basecamp Wealth Advisors LLC | 38 | $504 | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 39 | $517 | 0.00% | 00.0% | Unchanged |
| West Financial Advisors, LLC | 100 | $1.32K | 0.00% | 00.0% | Unchanged |
| Heritage Wealth Advisors | 130 | $1.72K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 135 | $1.79K | 0.00% | +35+35.0% | Added |
| MAI Capital Management | 200 | $2.65K | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 250 | $3.31K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 262 | $3.48K | 0.00% | +196+297.0% | Added |
| Quantbot Technologies LP | 444 | $5.88K | 0.00% | +68+18.1% | Added |
| Wolverine Asset Management LLC | 489 | $6.48K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 600 | $7.95K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 600 | $7.95K | 0.00% | +600 | New |
| Federation des caisses Desjardins du Quebec | 696 | $9.22K | 0.00% | +696 | New |
| Harbour Investments, Inc. | 800 | $10.6K | 0.00% | +600+300.0% | Added |
| Allworth Financial LP | 1,000 | $13.3K | 0.00% | 00.0% | Unchanged |
| EFG International AG | 1,000 | $13.3K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 1,093 | $14.5K | 0.00% | −29,241−96.4% | Reduced |
| IFP Advisors, Inc | 1,125 | $14.9K | 0.00% | +586+108.7% | Added |
| Leonteq Securities AG | 1,725 | $22.9K | 0.00% | −2,775−61.7% | Reduced |
| Advisor Group Holdings, Inc. | 1,847 | $24.5K | 0.00% | −1,157−38.5% | Reduced |
| BlackRock, Inc. | 2,232 | $29.6K | 0.00% | +1,619+264.1% | Added |
| Jones Financial Companies LLLP | 3,396 | $40.0K | 0.00% | +129+3.9% | Added |
| FNY Investment Advisers, LLC | 5,000 | $66.0K | 0.03% | +5,000 | New |
| Mirae Asset Global Investments Co., Ltd. | 5,846 | $77.5K | 0.00% | +827+16.5% | Added |
| Royal Bank of Canada | 7,012 | $92.0K | 0.00% | +4,008+133.4% | Added |
| Morgan Stanley | 9,379 | $124.3K | 0.00% | −666−6.6% | Reduced |
| Citigroup Inc | 9,847 | $130.5K | 0.00% | −9,012−47.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,978 | $132.2K | 0.00% | +2,940+41.8% | Added |
| Stonehage Fleming Financial Services Holdings Ltd | 11,528 | $152.7K | 0.01% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 11,912 | $157.8K | 0.00% | −7,064−37.2% | Reduced |
| Headlands Technologies LLC | 12,321 | $163.3K | 0.02% | +12,321 | New |
| Group One Trading, L.P. | 13,456 | $178.3K | 0.01% | −2,343−14.8% | Reduced |
| True Vision MN LLC | 14,848 | $196.7K | 0.10% | +14,848 | New |
| Wells Fargo & Company | 15,093 | $200.0K | 0.00% | +4,898+48.0% | Added |
| Bank of America Corp | 19,192 | $254.3K | 0.00% | −312−1.6% | Reduced |
| Van Eck Associates Corp | 20,153 | $267.0K | 0.00% | +6,960+52.8% | Added |
| Advisory Services Network, LLC | 21,747 | $288.1K | 0.00% | +1,803+9.0% | Added |
| SBI Securities Co., Ltd. | 27,109 | $359.2K | 0.01% | −3,970−12.8% | Reduced |
| Jane Street Group, LLC | 33,199 | $439.9K | 0.00% | −32,576−49.5% | Reduced |
| Banque Pictet & Cie SA | 36,000 | $477.0K | 0.01% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 38,069 | $504.4K | 0.00% | +38,069 | New |
| Renaissance Technologies LLC | 41,400 | $548.5K | 0.00% | +41,400 | New |
| Legal & General Group Plc | 52,632 | $699.0K | 0.00% | −13,600−20.5% | Reduced |
| Millennium Management LLC | 54,026 | $715.8K | 0.00% | +54,026 | New |
| Raymond James Financial Inc | 63,837 | $845.8K | 0.00% | +584+0.9% | Added |
| UBS Group AG | 85,435 | $1.13M | 0.00% | −61,962−42.0% | Reduced |
| Kessler Investment Group, LLC | 157,569 | $2.09M | 0.99% | +109,720+229.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 324,309 | $4.29M | 0.01% | +22,596+7.5% | Added |
| Penserra Capital Management LLC | 1,452,311 | $19.2M | 0.23% | +73,656+5.3% | Added |
| Defiance ETFs, LLC | 1,452,311 | $19.2M | 0.28% | +73,656+5.3% | Added |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −20,033−100.0% | Sold out |
| Veracity Capital LLC | 0 | $0 | 0.00% | −12,207−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −3,439−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −1,813−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −1,733−100.0% | Sold out |
| Albion Financial Group | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Noble Wealth Management PBC | 0 | $0 | 0.00% | −880−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −533−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −245−100.0% | Sold out |
| Strengthening Families & Communities, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Turning Point Benefit Group, Inc. | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −1−100.0% | Sold out |