NASDAQ: ZBIO
Zenas Biopharma Inc Stock Ownership - Who owns Zenas Biopharma?

Insider buying vs selling

Have Zenas Biopharma Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Leon O. Moulder Jr.Chief Executive Officer2026-04-2935,000$17.62
$616.70kBuy
Leon O. Moulder Jr.Chief Executive Officer2026-04-2825,000$18.02
$450.50kBuy
Hongbo LuDirector2026-03-313,768$18.63
$70.20kBuy
Leon O. Moulder Jr.Chief Executive Officer2026-03-3134,000$19.31
$656.54kBuy
Fairmount Funds Management LLCDirector2026-03-31150,000$20.00
$3.00MBuy
Hongbo LuDirector2026-03-3175,000$20.00
$1.50MBuy
Leon O. Moulder Jr.Chief Executive Officer2026-03-3020,000$18.23
$364.60kBuy
Patricia L. AllenDirector2026-02-134,160$26.36
$109.66kBuy
Patricia L. AllenDirector2026-02-125,000$23.77
$118.85kBuy
Patricia L. AllenDirector2026-02-125,700$24.34
$138.74kBuy

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Net Insider Buy/Sell (L12M) Ownership

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ZBIO Shareholders

What type of owners hold Zenas Biopharma Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Fmr LLC13.43%7,704,255$138.75MInstitution
Sr One Capital Management LLC8.78%5,037,854$90.73MInsider
Sr One Capital Management LP8.78%5,037,854$90.73MInstitution
Innocare Pharma Inc8.72%5,000,000$90.05MInsider
Enavate Sciences GP LLC6.83%3,919,159$70.58MInstitution
Nea Management Company LLC6.14%3,523,219$63.45MInstitution
Jason Raleigh Nunn5.44%3,119,959$56.19MInsider
Federated Hermes Inc4.73%2,715,578$48.91MInstitution
Fairmount Funds Management LLC4.11%2,359,025$42.49MInsider
Fairmount Funds Management LLC3.85%2,209,025$39.78MInstitution

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ZBIO vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ZBIO70.70%29.30%Net BuyingNet Buying
AKTS0.00%59.96%Net Buying
SVRA44.44%55.56%Net SellingNet Buying
FTRE99.43%0.57%Net BuyingNet Selling
DSGN48.39%51.61%Net Selling

Zenas Biopharma Stock Ownership FAQ

Who owns Zenas Biopharma?

Zenas Biopharma (NASDAQ: ZBIO) is owned by 72.46% institutional shareholders, 30.02% Zenas Biopharma insiders, and 0.00% retail investors. Sr One Capital Management LLC is the largest individual Zenas Biopharma shareholder, owning 5.04M shares representing 8.78% of the company. Sr One Capital Management LLC's Zenas Biopharma shares are currently valued at $88.41M.

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