MBX Biosciences Ownership | Who Owns MBX Biosciences?

MBX Biosciences Ownership Summary

MBX Biosciences is owned by 110.14% institutional investors, 3.10% insiders. Frazier life sciences management is the largest institutional shareholder, holding 17.90% of MBX shares.

MBX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MBX Biosciences	110.14%	3.10%	-13.24%
Sector	Healthcare Stocks	486.50%	11.08%	-397.59%
Industry	Biotech Stocks	304.14%	11.08%	-215.23%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Frazier life sciences management	5.99M	17.90%	$68.29M
Orbimed advisors	4.00M	11.97%	$45.67M
Nea management company	3.61M	10.81%	$41.24M
Deep track capital, lp	2.19M	6.54%	$24.97M
Nvp associates	2.14M	6.39%	$24.38M
Driehaus capital management	1.57M	4.70%	$17.94M
Bioimpact capital	1.29M	3.87%	$14.77M
Blackrock funding, inc. /de	1.01M	3.02%	$11.54M
Point72 asset management	973.79K	2.91%	$11.11M
Parkman healthcare partners	871.93K	2.61%	$9.95M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Nvp associates	2.14M	13.24%	$24.38M
Nea management company	3.61M	3.10%	$41.24M
Frazier life sciences management	5.99M	2.73%	$68.29M
Bioimpact capital	1.29M	2.56%	$14.77M
Sectoral asset management	191.82K	1.45%	$2.19M
Orbimed advisors	4.00M	1.14%	$45.67M
Parkman healthcare partners	871.93K	1.14%	$9.95M
Sio capital management	241.00K	1.05%	$2.75M
Tcg crossover management	650.00K	0.85%	$7.42M
Deep track capital, lp	2.19M	0.80%	$24.97M

Top Buyers

Holder	Shares	% Assets	Change
Point72 asset management	973.79K	0.02%	863.30K
Parkman healthcare partners	871.93K	1.14%	543.61K
Opaleye management	250.00K	0.41%	250.00K
Sio capital management	241.00K	1.05%	241.00K
Blackrock funding, inc. /de	1.01M	0.00%	228.50K

Top Sellers

Holder	Shares	% Assets	Change
Ra capital management	377.84K	0.07%	-1.13M
Deep track capital, lp	2.19M	0.80%	-830.34K
Affinity asset advisors	-	-	-175.00K
Millennium management	170.44K	0.00%	-163.20K
Marshall wace, llp	-	-	-111.21K

New Positions

Holder	Shares	% Assets	Change	Value
Opaleye management	250.00K	0.41%	250.00K	$1.84M
Sio capital management	241.00K	1.05%	241.00K	$2.75M
Sectoral asset management	191.82K	1.45%	191.82K	$2.19M
Resolute capital asset partners	49.67K	0.30%	49.67K	$566.74K
Rockefeller capital management	34.13K	0.00%	34.13K	$389.48K

Sold Out

Holder	Change
True wealth design	-3.00
Corebridge financial	-5.51K
Gsa capital partners llp	-12.37K
Verition fund management	-19.82K
Squarepoint ops	-20.10K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	91	15.19%	36,839,365	3.29%	110	0.97%	60	-24.05%	15	-
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 110.14%, followed by 3.10% insiders and -13.24% retail investors. The average institutional ownership in MBX Biosciences's industry, Biotech Stocks , is 304.14%, 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, 17.90%), Orbimed advisors (4M shares, 11.97%), and Nea management company (3.61M shares, 10.81%). Together, they hold 40.67% 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 13.24% of its assets in 2.14M MBX Biosciences shares, valued at 24.38M$.

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