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 Officer2026-05-1860,000$16.88
$1.01MBuy
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
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 Officer2026-03-3134,000$19.31
$656.54kBuy
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$26.50
$132.50kBuy

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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
Innocare Pharma Inc10.74%7,000,000$188.09MInsider
Sr One Capital Management LLC7.73%5,037,854$135.37MInsider
Jason Raleigh Nunn4.79%3,119,959$83.83MInsider
Fairmount Funds Management LLC3.62%2,359,025$63.39MInsider
Leon O. Moulder Jr.3.39%2,209,194$59.36MInsider
Patrick G. Enright1.21%786,520$21.13MInsider
Hongbo Lu0.65%426,736$11.47MInsider
Patricia L. Allen0.03%19,860$533.64kInsider
Ting Xiao0.02%10,000$268.70kInsider
Fidlty0.01%9,507$255.45kInstitution

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ZBIO vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ZBIO0.09%32.18%Net Buying
MAZE0.11%11.13%Net SellingNet Selling
VIR0.09%30.90%Net Selling
TRVI0.09%99.91%Net BuyingNet Buying
PVLA0.10%42.69%Net SellingNet Selling

Zenas Biopharma Stock Ownership FAQ

Who owns Zenas Biopharma?

Zenas Biopharma (NASDAQ: ZBIO) is owned by 0.09% institutional shareholders, 32.18% Zenas Biopharma insiders, and 67.73% retail investors. Innocare Pharma Inc is the largest individual Zenas Biopharma shareholder, owning 7.00M shares representing 10.74% of the company. Innocare Pharma Inc's Zenas Biopharma shares are currently valued at $188.09M.

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