NASDAQ: MBX
Mbx Biosciences Inc Stock Ownership - Who owns Mbx Biosciences?

Insider buying vs selling

Have Mbx Biosciences Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Salomon AzoulayChief Medical Officer2026-05-0855,000$10.46
$575.30kBuy
Salomon AzoulayChief Medical Officer2026-05-0855,000$38.38
$2.11MSell
Salomon AzoulayChief Medical Officer2026-05-0815,003$16.00
$240.05kBuy
Salomon AzoulayChief Medical Officer2026-05-0815,003$38.30
$574.61kSell
Salomon AzoulayChief Medical Officer2026-05-06231$29.54
$6.82kSell
P. Kent HawrylukPresident CEO2026-05-06607$29.54
$17.93kSell
P. Kent HawrylukPresident CEO2026-03-1318,500$28.41
$525.66kBuy
P. Kent HawrylukPresident CEO2026-02-2628,768$16.00
$460.29kBuy
P. Kent HawrylukPresident CEO2025-10-24182,859$3.25
$594.29kBuy
P. Kent HawrylukPresident CEO2025-10-2020,000$13.64
$272.78kBuy

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Net Insider Buy/Sell (L12M) Ownership

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MBX Shareholders

What type of owners hold Mbx Biosciences Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Frazier Life Sciences Management LP13.98%6,652,013$286.24MInstitution
Patrick J. Heron10.97%5,219,440$224.59MInsider
Carl L. Gordon9.58%4,560,102$196.22MInsider
Orbimed Advisors LLC9.58%4,560,102$196.22MInsider
Frazier Life Sciences X LP9.57%4,552,774$195.91MInsider
Orbimed Advisors LLC7.64%3,637,887$156.54MInstitution
Anthony A. Florence Jr.7.59%3,614,486$155.53MInsider
New Enterprise Associates 17 LP7.59%3,614,486$155.53MInsider
Edward T. Mathers7.59%3,614,486$155.53MInsider
Ali Behbahani7.59%3,614,486$155.53MInsider

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MBX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MBX46.52%53.48%Net BuyingNet Selling
VCEL91.39%8.61%Net SellingNet Selling
BHVN85.71%14.29%Net Buying
ZLAB2.51%1.76%Net BuyingNet Buying
NKTR52.03%47.97%Net SellingNet Selling

Mbx Biosciences Stock Ownership FAQ

Who owns Mbx Biosciences?

Mbx Biosciences (NASDAQ: MBX) is owned by 110.38% institutional shareholders, 126.87% Mbx Biosciences insiders, and 0.00% retail investors. Patrick J. Heron is the largest individual Mbx Biosciences shareholder, owning 5.22M shares representing 10.97% of the company. Patrick J. Heron's Mbx Biosciences shares are currently valued at $224.59M.

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