Arqit QuantumARQQ

13F holders, Q4 2025 (December 31)
60holders +3
18new positions
17sold out
$21.90avg. 13F price*

At the end of Q4 2025, 60 institutions reported holding Arqit Quantum Inc. (ARQQ) in their 13F filings, up 3 from Q3 2025. 18 opened new positions and 17 sold out. The largest holders were Defiance ETFs, LLC ($30.2M), Penserra Capital Management LLC ($30.2M) and MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. ($6.6M).

Company
Arqit Quantum Inc.
CUSIP
G0567U127
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q3 2024: 13Q3 2024Q4 2024: 30Q4 2024Q1 2025: 31Q1 2025Q2 2025: 42Q2 2025Q3 2025: 57Q3 2025Q4 2025: 60Q4 2025Q1 2026: 56Q1 2026Q2 2026: 64Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions18$8.6M
Exits17$6.5M

All 13F filers, Q3 2025 → Q4 2025: 940,493 shares bought and 405,566 shares sold, net +534,927 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 60 holders

Defiance ETFs, LLC 0.99% — 1,378,655 $30.2M
Penserra Capital Management LLC 0.36% Add +35.0% 1,378,655 $30.2M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.01% New 301,713 $6.6M
UBS Group AG 0.00% Add +92.5% 147,397 $3.2M
Legal & General Group Plc 0.00% Reduce -12.6% 66,232 $1.4M
Jane Street Group, LLC 0.00% Add +124.5% 65,775 $1.4M
Raymond James Financial Inc. 0.00% Reduce -25.3% 63,253 $1.4M
Kessler Investment Group, LLC 0.44% New 47,849 $1.0M
Banque Pictet & Cie SA 0.01% No change 36,000 $788K
SBI Securities Co., Ltd. 0.02% Reduce -22.8% 31,079 $680K
National Bank of Canada 0.00% Add +4196.6% 30,334 $664K
Susquehanna International Group, LLP 0.00% Reduce -89.6% 20,033 $438K
Advisory Services Network, LLC 0.01% No change 19,944 $436K
Bank of America Corp. 0.00% Add +6625.5% 19,504 $427K
Bank of New York Mellon Corp 0.00% New 18,976 $415K
Citigroup Inc. 0.00% Add +98.2% 18,859 $413K
Group One Trading LLC 0.01% Add +201.7% 15,799 $346K
Van Eck Associates Corp. 0.00% Reduce -50.4% 13,193 $289K
Veracity Capital LLC 0.08% Reduce -6.2% 12,207 $267K
Stonehage Fleming Financial Services Holdings Ltd 0.01% New 11,528 $252K
Wells Fargo & Company 0.00% Add +304.9% 10,195 $223K
Morgan Stanley 0.00% Add +24.6% 10,045 $220K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -51.4% 7,038 $154K
Mirae Asset Global Investments Co., Ltd. 0.00% New 5,019 $110K
Leonteq Securities AG 0.01% Add +24.1% 4,500 $98K
Flagship Harbor Advisors, LLC 0.00% New 3,439 $75K
Jones Financial Companies LLLP 0.00% Add +48.1% 3,267 $71K
Royal Bank of Canada 0.00% Reduce -35.6% 3,004 $66K
Osaic Holdings, Inc. 0.00% Add +60.5% 3,004 $66K
Kestra Advisory Services, LLC 0.00% New 1,813 $40K
BNP Paribas Financial Markets 0.00% New 1,733 $38K
EFG International AG 0.00% — 1,000 $22K
Albion Financial Group 0.00% No change 1,000 $22K
Allworth Financial LP 0.00% No change 1,000 $22K
Noble Wealth Management PBC 0.01% Add +25.7% 880 $19K
BlackRock, Inc. 0.00% Reduce -69.4% 613 $13K
Signaturefd, LLC 0.00% No change 600 $13K
IFP Advisors, Inc 0.00% New 539 $12K
Tower Research Capital LLC (TRC) 0.00% Add +262.6% 533 $12K
Wolverine Asset Management LLC 0.00% No change 489 $11K
Quantbot Technologies LP 0.00% New 376 $8K
Sunbelt Securities, Inc. 0.00% No change 250 $5K
Cape Investment Advisory, Inc. 0.00% New 245 $5K
Harbour Investments, Inc. 0.00% New 200 $4K
MAI Capital Management 0.00% New 200 $4K
Heritage Wealth Advisors 0.00% Add +18.2% 130 $3K
West Financial Advisors, LLC 0.00% No change 100 $2K
US Bancorp \de 0.00% No change 100 $2K
Parallel Advisors, LLC 0.00% No change 66 $1K
Strengthening Families & Communities, LLC 0.00% New 50 $1K
Cornerstone Financial Management LLC 0.00% — 39 $853
Basecamp Wealth Advisors LLC 0.00% — 38 $831
NewEdge Advisors, LLC 0.00% New 30 $656
Turning Point Benefit Group, Inc. 0.00% New 18 $394
Parkside Financial Bank & Trust 0.00% New 16 $351
CoreCap Advisors, LLC 0.00% No change 16 $350
MCF Advisors LLC 0.00% No change 10 $219
Northwestern Mutual Wealth Management Co. 0.00% New 2 $44
Natixis 0.00% No change 1 $22
Healthcare of Ontario Pension Plan Trust Fund 0.00% No change 1 $22

"% of holder's portfolio" is ARQQ's weight in each manager's 13F, not the share of Arqit Quantum Inc. the manager owns.