WallStreetZenWallStreetZen

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

OverviewForecastEarningsRevenueDividendOwnership

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

1 of 1

MBX insiders have bought more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when MBX insiders and whales buy or sell their stock.

MBX Shareholders

What type of owners hold Mbx Biosciences Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Frazier Life Sciences Management LP14.00%6,652,013$213.66MInstitution
Patrick J. Heron10.99%5,219,440$167.65MInsider
Orbimed Advisors LLC9.60%4,560,102$146.47MInsider
Carl L. Gordon9.60%4,560,102$146.47MInsider
Frazier Life Sciences X LP9.58%4,552,774$146.24MInsider
Orbimed Advisors LLC8.28%3,935,203$126.40MInstitution
Nea Management Company LLC7.61%3,614,486$116.10MInstitution
Scott D. Sandell7.61%3,614,486$116.10MInsider
Carmen Chang7.61%3,614,486$116.10MInsider
Edward T. Mathers7.61%3,614,486$116.10MInsider

1 of 3

MBX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MBX44.50%55.50%Net BuyingNet Buying
AGIO75.86%24.14%Net SellingNet Selling
PVLA61.11%38.89%Net BuyingNet Buying
NTLA72.54%27.46%Net BuyingNet Selling
NUVB57.01%42.99%Net BuyingNet Buying
View Top Biotech Stocks

Mbx Biosciences Stock Ownership FAQ

Who owns Mbx Biosciences?

Mbx Biosciences (NASDAQ: MBX) is owned by 101.93% institutional shareholders, 127.10% 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 $181.17M.

If you're new to stock investing, here's how to buy Mbx Biosciences stock.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.