Comparable stake leader
XTX Topco Ltd
SEC ownership of OneConstruction Group Ltd
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002030834.
Disclosed value leader
XTX Topco Ltd
Comparable rows
0/8
Latest evidence
30 Jun 2026
- Public ticker
- ONEG on Nasdaq
- Parsed ownership sources
-
13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
XTX Topco Ltd
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002030834
- Issuer location
- Wanchai
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of OneConstruction Group Ltd (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
XTX Topco Ltd
Disclosed value leader
XTX Topco Ltd
Comparable rows
0/8
Latest evidence
30 Jun 2026
13F
Highest disclosed value: $228,778
8 rows are not safely comparable across share classes.
Quick read
XTX Topco Ltd has the largest disclosed position value at $228.8K.
0 of 8 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 XTX Topco Ltd's linked filing trail.
Disclosed position value
Top 5
XTX Topco Ltd
$228.8K
HRT FINANCIAL LP
$140K
Ground Swell Capital, LLC
$94.7K
StoneX Group Inc.
$16.2K
TWO SIGMA SECURITIES, LLC
$13.3K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 8 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| XTX Topco Ltd |
13F
Company
|
—
class O/S missing
|
$228,778
192,250 shares
|
— | 30 Jun 2026 |
| HRT FINANCIAL LP |
13F
Company
|
—
class O/S missing
|
$140,000
117,973 shares
|
— | 30 Jun 2026 |
| Ground Swell Capital, LLC |
13F
Company
|
—
class O/S missing
|
$94,707
79,586 shares
|
— | 30 Jun 2026 |
| StoneX Group Inc. |
13F
Company
|
—
class O/S missing
|
$16,228
13,736 shares
|
— | 30 Jun 2026 |
| TWO SIGMA SECURITIES, LLC |
13F
Company
|
—
class O/S missing
|
$13,313
11,187 shares
|
— | 30 Jun 2026 |
| UBS Group AG |
13F
Company
|
—
class O/S missing
|
$9,906
8,324 shares
|
— | 30 Jun 2026 |
| Tower Research Capital LLC (TRC) |
13F
Company
|
—
class O/S missing
|
$5,831
4,900 shares
|
— | 30 Jun 2026 |
| Caitong International Asset Management Co., Ltd |
13F
Company
|
—
class O/S missing
|
$1
1 shares
|
— | 30 Jun 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.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 27 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-7 of 7 reporting-owner rows connected to OneConstruction Group Ltd. Open a relationship link for the CIK-to-CIK filing trail.
Rows
7
Largest Forms 3/4/5 holder
Chan Man Kit
Net 12M change
$0
Latest report
18 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Chan Man Kit | Director | Mixed | 18 Mar 2026 | |||
| Chung Suet In | Director | Mixed | 18 Mar 2026 | |||
| Law Hok Yu | Director | Mixed | 18 Mar 2026 | |||
| Hau Wai Tsang | Chief Financial Officer | Mixed | 18 Mar 2026 | |||
| Li Ka Chun Gordon | General Manager | Mixed | 18 Mar 2026 | |||
| Kam Cheung Cheung | Director | Mixed | 18 Mar 2026 | |||
| He Xing Michael | Director | Mixed | 18 Mar 2026 |
Recent insider transactions for OneConstruction Group Ltd
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.