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
Patrick G. EnrightDirector2025-10-09105,265$19.00
$2.00MBuy
Jason Raleigh NunnDirector2025-10-0963,158$19.00
$1.20MBuy
Sr One Capital Management LLC10% Owner2025-10-0963,158$19.00
$1.20MBuy
Patrick G. EnrightDirector2025-10-0911,990$20.85
$249.99kBuy
Sr One Capital Management LLC10% Owner2025-10-0963,157$19.00
$1.20MBuy
Leon O. Moulder Jr.Chief Executive Officer2025-10-0736,928$20.85
$769.95kBuy
Fairmount Funds Management LLCDirector2025-10-07316,219$19.00
$6.01MBuy
Hongbo LuDirector2025-10-07263,160$19.00
$5.00MBuy
Leon O. Moulder Jr.Chief Executive Officer2025-02-1825,000$6.67
$166.75kBuy
Ting XiaoDirector2025-02-0710,000$7.76
$77.60kBuy

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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
Sr One Capital Management LLC9.39%5,037,854$198.39MInsider
Innocare Pharma Inc9.31%5,000,000$196.90MInsider
Sr One Capital Management LP9.15%4,911,539$193.42MInstitution
Fmr LLC8.98%4,820,370$189.83MInstitution
Enavate Sciences GP LLC7.01%3,761,359$148.12MInstitution
Jason Raleigh Nunn5.81%3,119,959$122.86MInsider
Nea Management Company LLC5.09%2,733,719$107.65MInstitution
Fairmount Funds Management LLC4.12%2,209,025$86.99MInsider
Novo Holdings A3.73%2,000,000$78.76MInstitution
Leon O. Moulder Jr.3.61%1,938,194$76.33MInsider

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ZBIO vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ZBIO64.78%34.32%Net BuyingNet Buying
GPCR31.11%11.95%Net SellingNet Selling
GLPG47.65%0.00%
ZLAB3.18%1.76%Net BuyingNet Selling
AUPH49.82%12.61%Net BuyingNet Selling

Zenas Biopharma Stock Ownership FAQ

Who owns Zenas Biopharma?

Zenas Biopharma (NASDAQ: ZBIO) is owned by 64.78% institutional shareholders, 34.32% Zenas Biopharma insiders, and 0.90% retail investors. Sr One Capital Management LLC is the largest individual Zenas Biopharma shareholder, owning 5.04M shares representing 9.39% of the company. Sr One Capital Management LLC's Zenas Biopharma shares are currently valued at $198.39M.

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