Comparable stake leader
Regencell (BVI) Ltd
SEC ownership of Regencell Bioscience Holdings Ltd
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001829667.
Disclosed value leader
Yat-Gai Au
Comparable rows
15/17
Latest evidence
30 Jun 2026
- Public ticker
- RGC on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Regencell (BVI) Ltd
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
15 of 17
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Regencell (BVI) Ltd
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001829667
- Issuer location
- Hong Kong
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Regencell Bioscience Holdings 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
Regencell (BVI) Ltd
Disclosed value leader
Yat-Gai Au
Comparable rows
15/17
Latest evidence
30 Jun 2026
13D/G
3/4/5
13F
Lead comparable stake: 89%
2 rows are not safely comparable across share classes.
13D/G row: Regencell (BVI) Ltd
Showing 1-8 of 17 holder rows.
Quick read
Regencell (BVI) Ltd leads the comparable SEC ownership view at 89%.
15 of 17 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 Regencell (BVI) Ltd's linked filing trail.
Comparable ownership
Top 5
Regencell (BVI) Ltd
89%
Yat-Gai Au
89%
Margaret Hoor Han Lo
0.12%
Yat-Pui Au
0.12%
Quadrature Capital Ltd
0.01%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 17 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Regencell (BVI) Ltd |
13D/G
Yat-Gai Au
|
89%
|
$7,461,749,817
437,896,116 shares
|
+$7,270,529,987 | 11 Jul 2025 |
| Yat-Gai Au |
3/4/5
Chief Executive Officer, Director, 10%+ Owner
|
89%
|
$11,512,288,889
437,896,116 shares
|
— | 18 Mar 2026 |
| Margaret Hoor Han Lo |
3/4/5
Director
|
0.12%
|
$15,880,474
604,050 shares
|
— | 18 Mar 2026 |
| Yat-Pui Au |
3/4/5
Chief Business Officer
|
0.12%
|
$15,288,003
581,514 shares
|
— | 18 Mar 2026 |
| Quadrature Capital Ltd |
13F
Company
|
0.01%
|
$254,258
41,750 shares
|
— | 30 Jun 2026 |
| FOX RUN MANAGEMENT, L.L.C. |
13F
Company
|
0%
|
$126,008
20,691 shares
|
— | 30 Jun 2026 |
| CIBC Asset Management Inc |
13F
Company
|
0%
|
$93,128
15,292 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
Company
|
0%
|
$29,994
4,925 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 15 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 Regencell Bioscience Holdings Ltd. Open a relationship link for the CIK-to-CIK filing trail.
Rows
7
Largest Forms 3/4/5 holder
Yat-Gai Au
Net 12M change
$0
Latest report
27 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Yat-Gai Au | Chief Executive Officer, Director, 10%+ Owner | $11,512,288,889 | Mixed | 18 Mar 2026 | ||
| Margaret Hoor Han Lo | Director | $15,880,474 | Mixed | 18 Mar 2026 | ||
| Yat-Pui Au | Chief Business Officer | $15,288,003 | Mixed | 18 Mar 2026 | ||
| William Wing Yan Dr Lo | Director | Mixed | 27 May 2026 | |||
| Ho Yau Chan | Financial Controller | Mixed | 18 Mar 2026 | |||
| James Wai Hong Chung | COO and Chief Strategy Officer, Director | Mixed | 18 Mar 2026 | |||
| Evana Yee Wah Hui | Director | Mixed | 27 May 2026 |
Recent insider transactions for Regencell Bioscience Holdings 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| William Wing Yan Dr Lo | RGC | Stock option (right to purchase) | Disposed to Issuer | -11.9% | -70,600 | 521,630 | 27 May 2026 | Direct | ||
| Evana Yee Wah Hui | RGC | Stock option (right to purchase) | Disposed to Issuer | -3.21% | -19,000 | 573,230 | 27 May 2026 | Direct |
* marks a reported price that did not pass the local price check.