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
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
Steven L. HoerterDirector2025-10-1720,000$13.25
$264.98kBuy
Patrick J. HeronDirector2025-09-26666,666$18.00
$12.00MBuy
Ora H. PescovitzDirector2025-04-087,693$5.89
$45.31kBuy

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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 LP14.00%6,652,013$190.78MInstitution
Patrick J. Heron10.99%5,219,440$149.69MInsider
Orbimed Advisors LLC9.60%4,560,102$130.78MInsider
Carl L. Gordon9.60%4,560,102$130.78MInsider
Frazier Life Sciences X LP9.58%4,552,774$130.57MInsider
Orbimed Advisors LLC8.28%3,935,203$112.86MInstitution
Edward T. Mathers7.61%3,614,486$103.66MInsider
New Enterprise Associates 17 LP7.61%3,614,486$103.66MInsider
Scott D. Sandell7.61%3,614,486$103.66MInsider
Paul Edward Walker7.61%3,614,486$103.66MInsider

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MBX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MBX44.52%55.48%Net BuyingNet Buying
TRVI43.05%56.95%Net Buying
BHVN78.77%15.74%Net BuyingNet Selling
PVLA61.11%38.89%Net BuyingNet Buying
NBTX11.82%0.00%

Mbx Biosciences Stock Ownership FAQ

Who owns Mbx Biosciences?

Mbx Biosciences (NASDAQ: MBX) is owned by 101.93% institutional shareholders, 127.04% Mbx Biosciences insiders, and 0.00% retail investors. Patrick J. Heron is the largest individual Mbx Biosciences shareholder, owning 5.22M shares representing 10.99% of the company. Patrick J. Heron's Mbx Biosciences shares are currently valued at $149.69M.

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