Comparable stake leader
Sam Wai Hong
SEC ownership of Smart Digital Group Ltd
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002014955.
Disclosed value leader
Magnetar Financial LLC
Comparable rows
0/10
Latest evidence
31 Mar 2026
- Public ticker
- SDM on Nasdaq
- Parsed ownership sources
- 3/4/5 and 13F
- Largest SEC-reported holder
- Sam Wai Hong
- Latest parsed ownership date
- 31 Mar 2026
- Issuer CIK
- 0002014955
- Issuer location
- Guangdong Province
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 Smart Digital 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
Sam Wai Hong
Disclosed value leader
Magnetar Financial LLC
Comparable rows
0/10
Latest evidence
31 Mar 2026
3/4/5
13F
Highest disclosed value: $91,642
10 rows are not safely comparable across share classes.
Showing 1-8 of 10 holder rows.
Quick read
Magnetar Financial LLC has the largest disclosed position value at $91.6K.
0 of 10 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 Magnetar Financial LLC's linked filing trail.
Disclosed position value
Top 5
Magnetar Financial LLC
$91.6K
UBS Group AG
$65.3K
XTX Topco Ltd
$49.9K
GEODE CAPITAL MANAGEMENT, LLC
$34.1K
CITADEL ADVISORS LLC
$22.1K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 10 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Sam Wai Hong |
3/4/5
Director, 10%+ Owner
|
—
class O/S missing
|
—
10,500,000 shares
|
— | 18 Mar 2026 |
| Magnetar Financial LLC |
13F
Company
|
—
class O/S missing
|
$91,642
49,536 shares
|
— | 31 Mar 2026 |
| UBS Group AG |
13F
Company
|
—
class O/S missing
|
$65,271
35,282 shares
|
— | 31 Mar 2026 |
| XTX Topco Ltd |
13F
Company
|
—
class O/S missing
|
$49,869
26,956 shares
|
— | 31 Mar 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
class O/S missing
|
$34,123
18,445 shares
|
— | 31 Mar 2026 |
| CITADEL ADVISORS LLC |
13F
Company
|
—
class O/S missing
|
$22,115
15,939 shares
|
— | 31 Mar 2026 |
| WELLS FARGO & COMPANY/MN |
13F
Company
|
—
class O/S missing
|
$6,475
3,500 shares
|
— | 31 Mar 2026 |
| Quantbot Technologies LP |
13F
Company
|
—
class O/S missing
|
$2,316
1,252 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.
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 06 Jun 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 1-6 of 6 reporting-owner rows connected to Smart Digital Group Ltd. Open a relationship link for the CIK-to-CIK filing trail.
Rows
6
Largest Forms 3/4/5 holder
Lin Huihuang
Net 12M change
$0
Latest report
18 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Lin Huihuang | Director | Mixed | 18 Mar 2026 | |||
| Xu Jinbo | Director | Mixed | 18 Mar 2026 | |||
| Sam Wai Hong | Director, 10%+ Owner | Mixed | 18 Mar 2026 | |||
| Leng Tan Kwang | Chief Financial Officer | Mixed | 18 Mar 2026 | |||
| Hee Ung Ching | Director | Mixed | 18 Mar 2026 | |||
| Chen Yunting | Chief Executive Officer | Mixed | 18 Mar 2026 |
Recent insider transactions for Smart Digital 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Sam Wai Hong | SDM | Ordinary Shares | 0 | 500,000 | 18 Mar 2026 | By Winwin Asia Group Co., Ltd | ||||
| Sam Wai Hong | SDM | Ordinary Shares | 0 | 10,000,000 | 18 Mar 2026 | By CHINAINVEST INTERNATIONAL GROUP CO., LTD. |
* marks a reported price that did not pass the local price check.