Arqit Quantum Inc. - Ordinary Shares (ARQQ)

CUSIP: G0567U127

Q1 2026 13F Holders as of 31 Mar 2026

Holder snapshot 7 signals
Share change
+261,943
Put/Call ratio
69%
SEC-reported price per share
$13.25
Number of holders
56
Value change
+$3,122,254
Number of buys
28
Open additional details 1 more signal available
Number of sells
25
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
18,122,060

Security key

G0567U127

Report period

Q1 2026

Institutions

56

Top holders

10

Ownership snapshot

Top reported holders of ARQQ - Arqit Quantum Inc. - Ordinary Shares (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
D2BW Ltd
Disclosed value leader
Defiance ETFs, LLC
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G 13F Lead comparable stake: 5.8% 13D/G row: D2BW Ltd Showing 1-6 of 15 holder rows.

Quick read

D2BW Ltd leads the comparable SEC ownership view at 5.8%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens D2BW Ltd's linked filing trail.
Comparable ownership Top 5
D2BW Ltd 5.8%
Evolution Technology Fund II, SCSP. 3.1%
Defiance ETFs, LLC 7.6%
Penserra Capital Management LLC 7.6%
MIRAE ASSET GLOBAL ETFS HOLDINGS ... 1.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
D2BW Ltd
13D/G
Williams David John
5.8%
$11,990,930
726,723 shares
$0 11 Dec 2024
Evolution Technology Fund II, SCSP.
13D/G
The Evolution Technology Fund II SCSP
3.1%
$6,554,774
397,259 shares
$0 30 Sep 2024
Defiance ETFs, LLC
13F
Company
13F
7.6%
$30,247,691
1,378,655 shares
— 31 Dec 2025
Penserra Capital Management LLC
13F
Company
13F
7.6%
$30,164,000
1,378,655 shares
— 31 Dec 2025
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
13F
Company
13F
1.7%
$6,601,655
301,713 shares
— 31 Dec 2025
Legal & General Group Plc
13F
Company
13F
0.37%
$1,449,157
66,232 shares
— 31 Dec 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
56
Shares
4,018,794
Rows available
56
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q1 2026 Across Filers

Q1 2026 holders
56
Q1 2026 holders
56
Holder diff
0
Investor Q1 2026 Shares Q1 2026 Shares Share Diff Share Chg % Q1 2026 value Q1 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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