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
Hongbo LuDirector2025-10-07263,160$19.00
$5.00MBuy
Fairmount Funds Management LLCDirector2025-10-07316,219$19.00
$6.01MBuy
Leon O. Moulder Jr.Chief Executive Officer2025-10-0736,928$20.85
$769.95kBuy
Leon O. Moulder Jr.Chief Executive Officer2025-02-1825,000$6.67
$166.75kBuy
Ting XiaoDirector2025-02-0710,000$7.76
$77.60kBuy
Ting XiaoDirector2025-02-0710,000$7.76
$77.60kBuy
Leon O. Moulder Jr.Chief Executive Officer2024-12-0445,000$9.98
$449.10kBuy
Leon O. Moulder Jr.Chief Executive Officer2024-12-0325,000$10.76
$269.00kBuy
Leon O. Moulder Jr.Chief Executive Officer2024-11-192,500$14.57
$36.43kBuy
Leon O. Moulder Jr.Chief Executive Officer2024-11-187,500$15.00
$112.50kBuy

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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
Sr One Capital Management LP11.66%4,911,539$130.60MInstitution
Enavate Sciences GP LLC8.93%3,761,359$100.01MInstitution
Fmr LLC7.89%3,323,534$88.37MInstitution
Nea Management Company LLC6.49%2,733,719$72.69MInstitution
Novo Holdings A5.34%2,250,000$59.83MInstitution
Fairmount Funds Management LLC5.25%2,209,025$58.74MInsider
Leon O. Moulder Jr.4.60%1,938,194$51.54MInsider
Fairmount Funds Management LLC4.49%1,892,806$50.33MInstitution
Federated Hermes Inc4.42%1,861,838$49.51MInstitution
Nvp Associates LLC4.37%1,838,482$48.89MInstitution

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ZBIO vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ZBIO80.87%10.64%Net BuyingNet Buying
SPRY44.58%55.42%Net SellingNet Selling
PRAX62.75%37.25%Net BuyingNet Buying
RLAY78.05%21.95%Net SellingNet Selling
DNTH53.74%46.26%Net BuyingNet Buying

Zenas Biopharma Stock Ownership FAQ

Who owns Zenas Biopharma?

Zenas Biopharma (NASDAQ: ZBIO) is owned by 80.87% institutional shareholders, 10.64% Zenas Biopharma insiders, and 8.49% retail investors. Fairmount Funds Management LLC is the largest individual Zenas Biopharma shareholder, owning 2.21M shares representing 5.25% of the company. Fairmount Funds Management LLC's Zenas Biopharma shares are currently valued at $58.74M.

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