YDES · NASDAQ · Biotechnology

YD Bio (YDES)

Builds cancer-testing and ophthalmology programs alongside clinical-trial drug supply.

$3.74
Pre-market−0.16 (−4.10%)
At close$3.90(+3.31%)

Breakdown13F · 13D/G · Form 4

Institutions8 holders · as of Mar 31, 20260.23%159.5K shares
Insiders4 holders · as of Jul 1, 202676.86%54.44M shares
Otherremainder22.91%16.23M shares

70.83M company shares as of Aug 21, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

The share count has not been confirmed by a second filing; stakes use it as it stands.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Ethan PhD ShenInsiderdirector, officer: CEO
76.72%54.35MForm 4filed Mar 18, 2026
Geode Capital Management, LLCInstitution
0.09%60,23613Fas of Mar 31, 2026
Shao-Ta LuInsiderdirector
0.08%58,981Form 4filed Jul 1, 2026
Cerity Partners LLCInstitution
0.05%32,40613Fas of Mar 31, 2026
Bo-Xiang ZhangInsiderdirector, officer: Chief Medical Officer
0.04%31,141Form 4filed Mar 27, 2026
Cypress Capital Management LLC (WY)Institution
0.04%30,69013Fas of Mar 31, 2026
Citadel Advisors LLCInstitution
0.03%19,45013Fas of Mar 31, 2026
UBS Group AGInstitution
0.02%11,62813Fas of Mar 31, 2026
Kochi ChangInsiderdirector
0.01%7,830Form 4filed Jul 1, 2026
Wolverine Asset Management LLCInstitution
0.01%4,88613Fas of Mar 31, 2026
Morgan StanleyInstitution
0.00%22313Fas of Mar 31, 2026
FMR LLCInstitution
0.00%113Fas of Mar 31, 2026

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

Institutions13F, as of Mar 31, 2026

8 holders · 159.5K shares · 0 new positions · 5 increased · 1 reduced · 2 closed

HolderShares% outstandingChg q/qFiled
Geode Capital Management, LLC60.2K0.09%+1.9KMay 15, 2026
Cerity Partners LLC32.4K0.05%0May 15, 2026
Cypress Capital Management LLC (WY)30.7K0.04%+3.2KMay 8, 2026
Citadel Advisors LLC19.5K0.03%+7.9KMay 15, 2026
UBS Group AG11.6K0.02%+4.4KMay 5, 2026
Wolverine Asset Management LLC4.9K0.01%+2.4KMay 4, 2026
Morgan Stanley2230.00%−76May 15, 2026
FMR LLC10.00%0May 15, 2026

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

No 13D/G filer at 5% or more on record.

Insider tradesForm 4

Latest trades

No open-market trades in the last 12 months.

CongressHouse and Senate disclosures

Not reported.