Security key
Y4000A102
Horizon Quantum Holdings Ltd. - Class A Ordinary Shares, no par value (HQ)
CUSIP: Y4000A102
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Class A Ordinary Shares, no par value
- Total 13F shares
- 45,912
- Total 13F value
- $1,273,878
- Share change
- +36,035
- SEC-reported price per share
- $27.76
- Number of holders
- 6
- Value change
- +$1,018,662
- Number of buys
- 4
- Number of sells
- 1
- Shares outstanding
- 31,866,990
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
6
Top holders
6
HQ full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q1 2026
Horizon Quantum Holdings Ltd. SEC filings
Horizon Quantum Holdings Ltd. company facts
Broader feeds
Reporting periods
Holder history for CUSIP Y4000A102
Recent filing periods:
Ownership snapshot
Top reported holders of HQ - Horizon Quantum Holdings Ltd. - Class A Ordinary Shares, no par value (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
Peak XV Partners Seed Inv...
Disclosed value leader
Peak XV Partners Seed Inv...
Comparable rows
15/15
Latest evidence
17 Jun 2026
13D/G
13F
Lead comparable stake: 20%
13D/G row: Peak XV Partners Seed Investment
Showing 1-6 of 15 holder rows.
Quick read
Peak XV Partners Seed Investment leads the comparable SEC ownership view at 20%.
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 Peak XV Partners Seed Investment's linked filing trail.
Comparable ownership
Top 5
Peak XV Partners Seed Investment
20%
ICS OPPORTUNITIES, LTD.
0.1%
Data Collective IV GP, LLC
2.9%
DAVIDSON KEMPNER CAPITAL MANAGEME...
2%
CITADEL ADVISORS LLC
0.79%
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 |
|---|---|---|---|---|---|
| Peak XV Partners Seed Investment |
13D/G
|
20%
|
$176,819,090
6,468,999 shares
|
$0 | 19 Mar 2026 |
| ICS OPPORTUNITIES, LTD. |
13D/G
Millennium Management LLC
|
0.1%
|
$269,867
20,632 shares
|
$0 | 17 Jun 2026 |
| Data Collective IV GP, LLC |
13F
Company
|
2.9%
|
$8,044,590
915,198 shares
|
— | 31 Mar 2026 |
| DAVIDSON KEMPNER CAPITAL MANAGEMENT LP |
13F
Company
|
2%
|
$5,577,413
634,518 shares
|
— | 31 Mar 2026 |
| CITADEL ADVISORS LLC |
13F
Company
|
0.79%
|
$2,208,294
251,228 shares
|
— | 31 Mar 2026 |
| National Philanthropic Trust |
13F
Company
|
0.73%
|
$2,035,061
231,520 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
6
Shares
45,912
Rows available
6
| 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
16
Q2 2026 holders
6
Holder diff
-10
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend