​

MBX Biosciences Ownership | Who Owns MBX Biosciences?

OverviewForecastFinancialsChart

MBX Biosciences Ownership Summary

MBX Biosciences is owned by 12.54% institutional investors, 2.70% insiders, and 84.75% retail investors. Frazier life sciences management is the largest institutional shareholder, holding 18.22% of MBX shares. Polar Capital Biotech S Inc is the top mutual fund, with 3.38% of its assets in MBX Biosciences shares.

MBX Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockMBX Biosciences12.54%2.70%84.75%
SectorHealthcare Stocks 35.58%11.87%52.55%
IndustryBiotech Stocks 35.75%11.83%52.41%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Frazier life sciences management6.65M18.22%$198.56M
Orbimed advisors3.64M9.97%$108.59M
Nea management company3.61M9.90%$107.89M
Wellington management group llp3.19M8.74%$95.28M
Blackrock funding, inc. /de2.94M8.06%$87.80M
Fmr2.94M8.04%$87.66M
Deep track capital, lp2.76M7.55%$82.31M
Nvp associates2.14M5.85%$63.77M
Vanguard group1.82M5.32%$57.33M
Polar capital1.62M4.44%$48.42M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Nvp associates2.14M36.20%$63.77M
Nea management company3.61M6.13%$107.89M
Frazier life sciences management6.65M5.11%$198.56M
Stempoint capital lp499.47K2.90%$14.91M
Parkman healthcare partners800.04K2.46%$23.88M
Orbimed advisors3.64M2.16%$108.59M
Aaron wealth advisors1.17M1.98%$34.87M
Kynam capital management, lp934.80K1.72%$27.90M
Caligan partners lp848.59K1.69%$25.33M
Cormorant asset management, lp1.12M1.68%$33.43M

Top Buyers

HolderShares% AssetsChange
Fmr2.94M0.00%2.92M
Polar capital1.62M0.17%1.62M
Aaron wealth advisors1.17M1.98%1.10M
Caligan partners lp848.59K1.69%848.59K
Braidwell lp1.49M1.49%473.87K

Top Sellers

HolderShares% AssetsChange
Ecor1 capital777.00K0.98%-1.35M
Franklin resources---1.31M
Bioimpact capital---1.29M
Point72 asset management---680.61K
Deep track capital, lp2.76M1.34%-492.22K

New Positions

HolderShares% AssetsChangeValue
Polar capital1.62M0.17%1.62M$48.42M
Caligan partners lp848.59K1.69%848.59K$25.33M
Candriam s.c.a.294.37K0.05%294.37K$8.79M
Baker bros. advisors lp277.78K0.04%277.78K$4.86M
Longaeva partners224.43K0.57%224.43K$3.93M

Sold Out

HolderChange
Sbi securities-9.00
Rise advisors-68.00
Comerica bank-76.00
Washington trust advisors-83.00
Daiwa securities group-150.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 202653-63.19%4,578,687-90.55%120.06%31-68.37%12-53.85%
Dec 31, 202581-39.10%19,853,942-58.46%580.30%63-14.86%9-70.00%
Sep 30, 202513042.86%47,138,46527.96%1401.16%7321.67%30100.00%
Jun 30, 20259115.19%36,839,3653.29%1100.97%60-24.05%15-
Mar 31, 20251-1,579,207-4-1---

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Polar Capital Biotech S Inc1.61M3.38%72.55K
Vanguard Total Stock Mkt Idx Inv1.16M2.44%-
Eventide Healthcare & Life Sciences I890.00K1.87%890.00K
T. Rowe Price Health Sciences757.11K1.59%51.42K
iShares Russell 2000 ETF670.41K1.41%5.64K
Fidelity Stock Selector Small Cap414.40K0.87%371.23K
BlackRock Health Sciences Opps Inv A333.35K0.70%-
Fidelity Advisor Biotechnology I304.60K0.64%84.60K
Fidelity Series Small Cap Opps303.10K0.64%269.41K
Fidelity Small Cap Growth301.64K0.63%301.64K

Recent Insider Transactions

DateNameRoleActivityValue
May 08, 2026Azoulay Salomon Chief Medical OfficerSell$2.11M
May 08, 2026Azoulay Salomon Chief Medical OfficerSell$574.61K
May 06, 2026Azoulay Salomon Chief Medical OfficerSell$6.82K
May 06, 2026Hawryluk P. Kent President & CEOSell$17.93K
Mar 13, 2026Hawryluk P. Kent President & CEOBuy$525.66K

Insider Transactions Trends

DateBuySell
2026 Q2-2
2026 Q11-
2025 Q42-
2025 Q31-
2025 Q21-

MBX Ownership FAQ

Who Owns MBX Biosciences?

MBX Biosciences shareholders are primarily institutional investors at 12.54%, followed by 2.70% insiders and 84.76% retail investors. The average institutional ownership in MBX Biosciences's industry, Biotech Stocks , is 35.75%, which MBX Biosciences falls below.

Who owns the most shares of MBX Biosciences?

MBX Biosciences’s largest shareholders are Frazier life sciences management (6.65M shares, 18.22%), Orbimed advisors (3.64M shares, 9.97%), and Nea management company (3.61M shares, 9.90%). Together, they hold 38.09% of MBX Biosciences’s total shares outstanding.

Does Blackrock own MBX Biosciences?

BlackRock is not among the top 10 institutional shareholders of MBX Biosciences.

Who is MBX Biosciences’s biggest shareholder by percentage of total assets invested?

Nvp associates is MBX Biosciences’s biggest shareholder by percentage of total assets invested, with 36.20% of its assets in 2.14M MBX Biosciences shares, valued at 63.77M$.

Who is the top mutual fund holder of MBX Biosciences shares?

Polar Capital Biotech S Inc is the top mutual fund holder of MBX Biosciences shares, with 3.38% of its total shares outstanding invested in 1.61M MBX Biosciences shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

  • Customize your own personal stocks lists, views and charts

  • Choose from hundreds of fields, up to 15 years of history

  • Conduct deep comparison analysis

  • Discover trending investment themes

  • Find your next best investment

  • Research stocks using tools