MBX Biosciences Ownership | Who Owns MBX Biosciences?

MBX Biosciences Ownership Summary

MBX Biosciences is owned by 4.73% institutional investors, 3.08% insiders, and 92.19% retail investors. Frazier life sciences management is the largest institutional shareholder, holding 17.91% of MBX shares.

MBX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MBX Biosciences	4.73%	3.08%	92.19%
Sector	Healthcare Stocks	278.70%	10.61%	-189.31%
Industry	Biotech Stocks	63.84%	10.66%	25.50%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Frazier life sciences management	5.99M	17.91%	$44.17M
Orbimed advisors	4.00M	11.98%	$29.54M
Deep track capital, lp	3.02M	9.04%	$22.28M
Driehaus capital management	1.58M	4.73%	$11.65M
Ra capital management	1.51M	4.52%	$11.15M
Bioimpact capital	1.13M	3.39%	$8.36M
Cormorant asset management, lp	700.00K	2.10%	$5.17M
Opaleye management	250.00K	0.75%	$1.84M
Millennium management	170.44K	0.51%	$1.26M
Exome asset management	133.11K	0.40%	$982.37K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Frazier life sciences management	5.99M	2.02%	$44.17M
Bioimpact capital	1.13M	1.44%	$8.36M
Exome asset management	133.11K	0.87%	$982.37K
Deep track capital, lp	3.02M	0.72%	$22.28M
Orbimed advisors	4.00M	0.71%	$29.54M
Opaleye management	250.00K	0.41%	$1.84M
Cormorant asset management, lp	700.00K	0.39%	$5.17M
Stempoint capital lp	96.61K	0.23%	$713.02K
Ra capital management	1.51M	0.19%	$11.15M
Driehaus capital management	1.58M	0.11%	$11.65M

Top Buyers

Holder	Shares	% Assets	Change
Bioimpact capital	1.13M	1.44%	1.13M
Opaleye management	250.00K	0.41%	250.00K
Orbimed advisors	4.00M	0.71%	190.67K
Exome asset management	133.11K	0.87%	133.11K
Stempoint capital lp	96.61K	0.23%	96.61K

Top Sellers

Holder	Shares	% Assets	Change
Millennium management	170.44K	0.00%	-163.20K
Driehaus capital management	1.58M	0.11%	-2.55K
Cormorant asset management, lp	700.00K	0.39%	-
Frazier life sciences management	5.99M	2.02%	-
Deep track capital, lp	3.02M	0.72%	-

New Positions

Holder	Shares	% Assets	Change	Value
Bioimpact capital	1.13M	1.44%	1.13M	$8.36M
Opaleye management	250.00K	0.41%	250.00K	$1.84M
Exome asset management	133.11K	0.87%	133.11K	$982.37K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	1	-	1,579,207	-	4	-	1	-	-	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 08, 2025	Pescovitz Ora H.	-	Buy	$45.31K

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	1	-

MBX Ownership FAQ

Who Owns MBX Biosciences?

MBX Biosciences shareholders are primarily institutional investors at 4.73%, followed by 3.08% insiders and 92.19% retail investors. The average institutional ownership in MBX Biosciences's industry, Biotech Stocks , is 63.84%, which MBX Biosciences falls below.

Who owns the most shares of MBX Biosciences?

MBX Biosciences’s largest shareholders are Frazier life sciences management (5.99M shares, 17.91%), Orbimed advisors (4M shares, 11.98%), and Deep track capital, lp (3.02M shares, 9.04%). Together, they hold 38.93% 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?

Frazier life sciences management is MBX Biosciences’s biggest shareholder by percentage of total assets invested, with 2.02% of its assets in 5.99M MBX Biosciences shares, valued at 44.17M$.

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