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, 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 |
|---|---|---|---|---|---|
| Defiance ETFs, LLC | 1,452,311 | $19.2M | 0.28% | +73,656+5.3% | Added |
| Penserra Capital Management LLC | 1,452,311 | $19.2M | 0.23% | +73,656+5.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 324,309 | $4.29M | 0.01% | +22,596+7.5% | Added |
| Kessler Investment Group, LLC | 157,569 | $2.09M | 0.99% | +109,720+229.3% | Added |
| UBS Group AG | 85,435 | $1.13M | 0.00% | −61,962−42.0% | Reduced |
| Raymond James Financial Inc | 63,837 | $845.8K | 0.00% | +584+0.9% | Added |
| Millennium Management LLC | 54,026 | $715.8K | 0.00% | +54,026 | New |
| Legal & General Group Plc | 52,632 | $699.0K | 0.00% | −13,600−20.5% | Reduced |
| Renaissance Technologies LLC | 41,400 | $548.5K | 0.00% | +41,400 | New |
| Tudor Investment Corp Et Al | 38,069 | $504.4K | 0.00% | +38,069 | New |
| Banque Pictet & Cie SA | 36,000 | $477.0K | 0.01% | 00.0% | Unchanged |
| Jane Street Group, LLC | 33,199 | $439.9K | 0.00% | −32,576−49.5% | Reduced |
| SBI Securities Co., Ltd. | 27,109 | $359.2K | 0.01% | −3,970−12.8% | Reduced |
| Advisory Services Network, LLC | 21,747 | $288.1K | 0.00% | +1,803+9.0% | Added |
| Van Eck Associates Corp | 20,153 | $267.0K | 0.00% | +6,960+52.8% | Added |
| Bank of America Corp | 19,192 | $254.3K | 0.00% | −312−1.6% | Reduced |
| Wells Fargo & Company | 15,093 | $200.0K | 0.00% | +4,898+48.0% | Added |
| True Vision MN LLC | 14,848 | $196.7K | 0.10% | +14,848 | New |
| Group One Trading, L.P. | 13,456 | $178.3K | 0.01% | −2,343−14.8% | Reduced |
| Headlands Technologies LLC | 12,321 | $163.3K | 0.02% | +12,321 | New |
| Bank of New York Mellon Corp | 11,912 | $157.8K | 0.00% | −7,064−37.2% | Reduced |
| Stonehage Fleming Financial Services Holdings Ltd | 11,528 | $152.7K | 0.01% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,978 | $132.2K | 0.00% | +2,940+41.8% | Added |
| Citigroup Inc | 9,847 | $130.5K | 0.00% | −9,012−47.8% | Reduced |
| Morgan Stanley | 9,379 | $124.3K | 0.00% | −666−6.6% | Reduced |
| Royal Bank of Canada | 7,012 | $92.0K | 0.00% | +4,008+133.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 5,846 | $77.5K | 0.00% | +827+16.5% | Added |
| FNY Investment Advisers, LLC | 5,000 | $66.0K | 0.03% | +5,000 | New |
| Jones Financial Companies LLLP | 3,396 | $40.0K | 0.00% | +129+3.9% | Added |
| BlackRock, Inc. | 2,232 | $29.6K | 0.00% | +1,619+264.1% | Added |
| Advisor Group Holdings, Inc. | 1,847 | $24.5K | 0.00% | −1,157−38.5% | Reduced |
| Leonteq Securities AG | 1,725 | $22.9K | 0.00% | −2,775−61.7% | Reduced |
| IFP Advisors, Inc | 1,125 | $14.9K | 0.00% | +586+108.7% | Added |
| National Bank of Canada | 1,093 | $14.5K | 0.00% | −29,241−96.4% | Reduced |
| EFG International AG | 1,000 | $13.3K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 1,000 | $13.3K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 800 | $10.6K | 0.00% | +600+300.0% | Added |
| Federation des caisses Desjardins du Quebec | 696 | $9.22K | 0.00% | +696 | New |
| Signaturefd, LLC | 600 | $7.95K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 600 | $7.95K | 0.00% | +600 | New |
| Wolverine Asset Management LLC | 489 | $6.48K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 444 | $5.88K | 0.00% | +68+18.1% | Added |
| Parallel Advisors, LLC | 262 | $3.48K | 0.00% | +196+297.0% | Added |
| Sunbelt Securities, Inc. | 250 | $3.31K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 200 | $2.65K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 135 | $1.79K | 0.00% | +35+35.0% | Added |
| Heritage Wealth Advisors | 130 | $1.72K | 0.00% | 00.0% | Unchanged |
| West Financial Advisors, LLC | 100 | $1.32K | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 39 | $517 | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 38 | $504 | 0.00% | 00.0% | Unchanged |
| Investors Portfolio Services LLC | 28 | $397 | 0.00% | +28 | New |
| Parkside Financial Bank & Trust | 16 | $212 | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 16 | $212 | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 10 | $133 | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 2 | $27 | 0.00% | +2 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 1 | $13 | 0.00% | 00.0% | Unchanged |
| Vermillion Wealth Management, Inc. | 1 | $13 | 0.00% | +1 | New |
| 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 |