Security key
G0567U127
Arqit Quantum Inc. - Ordinary Shares, par value $0.0025 per share (ARQQ)
CUSIP: G0567U127
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Ordinary Shares, par value $0.0025 per share
- Total 13F shares
- 253,581
- Total 13F value
- $7,536,441
- Share change
- +13,379
- Put/Call ratio
- 10%
- SEC-reported price per share
- $29.72
- Number of holders
- 16
- Value change
- +$397,626
- Number of buys
- 5
- Number of sells
- 7
- Shares outstanding
- 24,088,896
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
16
Top holders
10
ARQQ full security history
Ownership snapshot
Full 13F holder table
Arqit Quantum Inc. SEC filings
Arqit Quantum Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of ARQQ - Arqit Quantum Inc. - Ordinary Shares, par value $0.0025 per share (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
Heritage Assets Scsp
Disclosed value leader
Heritage Assets Scsp
Comparable rows
15/15
Latest evidence
22 Jun 2026
13D/G
3/4/5
13F
Lead comparable stake: 39%
13D/G row: Heritage Assets Scsp
Showing 1-6 of 15 holder rows.
Quick read
Heritage Assets Scsp leads the comparable SEC ownership view at 39%.
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 Heritage Assets Scsp's linked filing trail.
Comparable ownership
Top 5
Heritage Assets Scsp
39%
D2BW Ltd
5.8%
Evolution Technology Fund II, SCSP.
3.1%
ICS OPPORTUNITIES, LTD.
0.3%
Jennifer Bers
0.03%
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 |
|---|---|---|---|---|---|
| Heritage Assets Scsp |
13D/G
Manfredi Lefebvre d'Ovidio
|
39%
|
$138,079,960
9,298,314 shares
|
+$388,669 | 21 May 2026 |
| 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 |
| ICS OPPORTUNITIES, LTD. |
13D/G
Millennium Management LLC
|
0.3%
|
$943,798
58,621 shares
|
$0 | 16 Jun 2026 |
| Jennifer Bers |
3/4/5
Chief Revenue Officer
|
0.03%
|
$143,771
6,712 shares
|
-$177,529 | 22 Jun 2026 |
| Defiance ETFs, LLC |
13F
Company
|
6%
|
$19,243,121
1,452,311 shares
|
— | 31 Mar 2026 |
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 Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
16
Shares
253,581
Rows available
16
| 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 Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
56
Q2 2026 holders
16
Holder diff
-40
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|