Arqit QuantumARQQ
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 57 institutions reported holding Arqit Quantum Inc. (ARQQ) in their 13F filings, up 15 from Q2 2025. 20 opened new positions and 7 sold out. The largest holders were Penserra Capital Management LLC ($39.6M), Susquehanna International Group, LLP ($7.5M) and Raymond James Financial Inc. ($3.3M). 2 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Arqit Quantum Inc.
- CUSIP
- G0567U127
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 20 | $6.4M |
| Exits | 7 | $1.2M |
All 13F filers, Q2 2025 → Q3 2025: 751,259 shares bought and 104,086 shares sold, net +647,173 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 57 holders
| Penserra Capital Management LLC | 0.47% | Add +43.4% | 1,021,248 | $39.6M |
| Susquehanna International Group, LLP | 0.01% | Add +391.1% | 192,818 | $7.5M |
| Raymond James Financial Inc. | 0.00% | Add +86.6% | 84,713 | $3.3M |
| UBS Group AG | 0.00% | Reduce -28.9% | 76,586 | $3.0M |
| Legal & General Group Plc | 0.00% | Add +4.4% | 75,771 | $2.9M |
| SBI Securities Co., Ltd. | 0.04% | Add +10.0% | 40,249 | $1.6M |
| Banque Pictet & Cie SA | 0.01% | New | 36,000 | $1.4M |
| JPMorgan Chase & Co. | 0.00% | Add +226.1% | 34,033 | $1.3M |
| Jane Street Group, LLC | 0.00% | New | 29,304 | $1.1M |
| Van Eck Associates Corp. | 0.00% | Add +460.2% | 26,615 | $1.0M |
| Advisory Services Network, LLC | 0.01% | Reduce -7.7% | 19,944 | $773K |
| Simplex Trading, LLC | 0.02% | Add +5811.3% | 17,793 | $689K |
| Tudor Investment Corporation | 0.00% | New | 16,763 | $650K |
| Millennium Management | 0.00% | New | 15,161 | $587K |
| Cookson Peirce & Co. Inc. | 0.02% | New | 15,000 | $581K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +82.4% | 14,473 | $561K |
| Informed Momentum Co LLC | 0.06% | New | 14,122 | $547K |
| Veracity Capital LLC | 0.16% | Add +11.0% | 13,020 | $505K |
| Envestnet Asset Management Inc. | 0.00% | Add +11.1% | 13,002 | $504K |
| LPL Financial LLC | 0.00% | Reduce -6.5% | 9,530 | $369K |
| Citigroup Inc. | 0.00% | New | 9,517 | $369K |
| Morgan Stanley | 0.00% | Reduce -60.5% | 8,064 | $312K |
| Geode Capital Management, LLC | 0.00% | No change | 7,246 | $281K |
| Virtu Financial LLC | 0.01% | New | 6,306 | $244K |
| Cetera Investment Advisers | 0.00% | New | 6,156 | $239K |
| Cresset Asset Management, LLC | 0.00% | New | 6,112 | $237K |
| Biltmore Family Office, LLC | 0.03% | Reduce -15.3% | 5,777 | $224K |
| Wolverine Trading, LLC | 0.00% | Reduce -49.6% | 6,305 | $223K |
| Group One Trading LLC | 0.01% | New | 5,237 | $203K |
| Royal Bank of Canada | 0.00% | Reduce -78.4% | 4,664 | $181K |
| Leonteq Securities AG | 0.01% | Add +42.2% | 3,625 | $140K |
| MASO CAPITAL PARTNERS Ltd | 0.18% | New | 2,840 | $110K |
| Wells Fargo & Company | 0.00% | Add +430.1% | 2,518 | $98K |
| Jones Financial Companies LLLP | 0.00% | Add +333.4% | 2,206 | $80K |
| BlackRock, Inc. | 0.00% | Reduce -38.7% | 2,001 | $78K |
| Osaic Holdings, Inc. | 0.00% | Add +48.8% | 1,872 | $65K |
| Albion Financial Group | 0.00% | No change | 1,000 | $39K |
| Allworth Financial LP | 0.00% | No change | 1,000 | $39K |
| National Bank of Canada | 0.00% | New | 706 | $27K |
| Noble Wealth Management PBC | 0.01% | — | 700 | $27K |
| Steward Partners Investment Advisory, LLC | 0.00% | New | 700 | $27K |
| Signaturefd, LLC | 0.00% | Reduce -20.0% | 600 | $23K |
| Wolverine Asset Management LLC | 0.00% | New | 489 | $19K |
| Bank of America Corp. | 0.00% | Add +45.0% | 290 | $11K |
| Sunbelt Securities, Inc. | 0.00% | New | 250 | $10K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +61.5% | 147 | $6K |
| Heritage Wealth Advisors | 0.00% | Add +103.7% | 110 | $4K |
| West Financial Advisors, LLC | 0.00% | No change | 100 | $4K |
| Ameritas Advisory Services, LLC | 0.00% | New | 100 | $4K |
| US Bancorp \de | 0.00% | No change | 100 | $4K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 69 | $3K |
| Parallel Advisors, LLC | 0.00% | No change | 66 | $3K |
| Root Financial Partners, LLC | 0.00% | New | 24 | $930 |
| CoreCap Advisors, LLC | 0.00% | New | 16 | $620 |
| MCF Advisors LLC | 0.00% | No change | 10 | $388 |
| Natixis | 0.00% | No change | 1 | $39 |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | No change | 1 | $39 |
"% of holder's portfolio" is ARQQ's weight in each manager's 13F, not the share of Arqit Quantum Inc. the manager owns.