RGC · NASDAQ · Drug Manufacturers - Specialty & Generic

Regencell Bioscience (RGC)

Develops standardized traditional Chinese medicine formulas for ADHD and autism spectrum disorder.

$6.30
Pre-market+0.03 (+0.48%)
At close$6.27(+14.00%)

Breakdown13F · 13D/G · Form 4

Institutions37 holders · as of Mar 31, 20260.13%647.2K ADS
Insiders3 holders · as of Mar 18, 202688.62%439.08M ADS
Otherremainder11.25%55.75M ADS

495.47M ADS as of Aug 21, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

The share count is from the company's Jun 2025 annual report; nothing newer is on file here.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Yat-Gai AuInsiderdirector, 10 percent owner, officer: Chief Executive Officer
88.38%437.90M ordinaryForm 4filed Mar 18, 2026
Margaret Hoor Han LoInsiderdirector
0.12%604,050 ordinaryForm 4filed Mar 18, 2026
Yat-Pui AuInsiderofficer: Chief Business Officer
0.12%581,514 ordinaryForm 4filed Mar 18, 2026
Geode Capital Management, LLCInstitution
0.08%415,569 ADS13Fas of Mar 31, 2026
Marex Group PLCInstitution
0.01%31,600 ADS13Fas of Mar 31, 2026
Gsa Capital Partners LLPInstitution
0.01%31,569 ADS13Fas of Mar 31, 2026
Vident Advisory, LLCInstitution
0.01%29,588 ADS13Fas of Mar 31, 2026
Squarepoint Ops LLCInstitution
0.01%26,613 ADS13Fas of Mar 31, 2026
UBS Group AGInstitution
0.00%23,885 ADS13Fas of Mar 31, 2026
Morgan StanleyInstitution
0.00%20,078 ADS13Fas of Mar 31, 2026
Bank of America Corp /DE/Institution
0.00%17,172 ADS13Fas of Mar 31, 2026
State Street CorpInstitution
0.00%11,851 ADS13Fas of Mar 31, 2026
Legal & General Group PLCInstitution
0.00%9,903 ADS13Fas of Mar 31, 2026
LPL Financial LLCInstitution
0.00%8,596 ADS13Fas of Mar 31, 2026
AmundiInstitution
0.00%8,595 ADS13Fas of Mar 31, 2026
BlackRock, Inc.Institution
0.00%4,957 ADS13Fas of Mar 31, 2026
Federation Des Caisses Desjardins du QuebecInstitution
0.00%2,231 ADS13Fas of Mar 31, 2026
GF Fund Management Co. Ltd.Institution
0.00%1,064 ADS13Fas of Mar 31, 2026
Eversource Wealth Advisors, LLCInstitution
0.00%918 ADS13Fas of Mar 31, 2026
JPMorgan Chase & CoInstitution
0.00%845 ADS13Fas of Mar 31, 2026
Russell Investments Group, Ltd.Institution
0.00%760 ADS13Fas of Mar 31, 2026
Group One Trading, L.P.Institution
0.00%354 ADS13Fas of Mar 31, 2026
Northwestern Mutual Wealth Management CoInstitution
0.00%301 ADS13Fas of Mar 31, 2026
Advisor Group Holdings, Inc.Institution
0.00%227 ADS13Fas of Mar 31, 2026
Ronald Blue Trust, Inc.Institution
0.00%216 ADS13Fas of Mar 31, 2026

13F — a manager's quarterly holdings · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

37 holders · 647.2K shares · 18 new positions · 25 increased · 6 reduced · 4 closed

HolderShares% outstandingChg q/qFiled
Geode Capital Management, LLC415.6K0.08%+2.5KMay 15, 2026
Marex Group PLC31.6K0.01%+31.6KnewMay 13, 2026
Gsa Capital Partners LLP31.6K0.01%+31.6KnewMay 8, 2026
Vident Advisory, LLC29.6K0.01%−346May 15, 2026
Squarepoint Ops LLC26.6K0.01%+602May 15, 2026
UBS Group AG23.9K0.00%+5.7KMay 5, 2026
Morgan Stanley20.1K0.00%−1.3KMay 15, 2026
Bank of America Corp /DE/17.2K0.00%+17.1KMay 18, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Yat-Gai Auincl. Regencell (BVI) Limited88.60%437.90M13DJul 11, 2025

Insider tradesForm 4

Latest trades

No open-market trades in the last 12 months.

CongressHouse and Senate disclosures

Not reported.