MBXMBX Biosciences, Inc. Common Stock

CSNasdaq (XNAS)·USD

Identity

Security key: 18374
Ticker: MBX
Type: CS — Common Stock
Exchange: Nasdaq(XNAS)
Venue group: NASDAQ
Operating MIC: XNAS
Market: stocks
Locale: us
Currency: USD
Listed: 2024-09-13
Round lot: 100
Active: Yes
Last seen in a load: 2026-08-14 20:49
Vendor updated: 2026-08-13 06:09
Ticker root / suffix: MBX

Detail

Enriched 2026-08-14 20:47

Market cap: $3,225,281,629.12
Shares outstanding (class): 48,160,096
Shares outstanding (weighted): 48,160,096
SIC: 2834 PHARMACEUTICAL PREPARATIONS
Employees: 63
Location: CARMEL, IN
Homepage: https://www.mbxbio.com
Description: MBX Biosciences Inc is a clinical stage biopharmaceutical company focused on the discovery and development of novel precision peptide therapies for the treatment of endocrine and metabolic disorders. The company designed its proprietary Precision Endocrine Peptide, or PEP, platform to overcome the key limitations of unmodified and modified peptide therapies to improve clinical outcomes and simplify disease management for patients. Its PEPs are selectively engineered to have optimized pharmaceutical properties, including extended time-action profiles and consistent drug concentrations with low peak-to-trough concentration ratios, consistent exposure to target tissues, and less frequent dosing. Its product candidates include canvuparatide (MBX 2109), imapextide (MBX 1416), and MBX 4291.

Market cap and share counts drift.

Funds holding this security

88 funds · 90 positions · $190.21M reported value, as of 2026-03-31

All holders →

Fund	Ticker	Position value	% of fund	Balance	Match
VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS	VTI	$34.59M	0.00%	1,158,775 NS	FIGI
Eventide Healthcare & Life Sciences Fund MUTUAL FUND SERIES TRUST	—	$26.57M	1.67%	890,000 NS	FIGI
T. Rowe Price Health Sciences Fund, Inc. T. ROWE PRICE HEALTH SCIENCES FUND, INC.	—	$21.53M	0.20%	721,309 NS	FIGI
iShares Russell 2000 ETF iShares Trust	IWM	$20.82M	0.03%	697,653 NS	FIGI
Fidelity Fund Fidelity Hastings Street Trust	—	$9.58M	0.11%	321,100 NS	FIGI
VIP Contrafund Portfolio Variable Insurance Products Fund II	—	$8.56M	0.03%	286,900 NS	FIGI
VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS	VXF	$8.45M	0.01%	282,920 NS	FIGI
iShares Russell 2000 Value ETF iShares Trust	IWN	$7.26M	0.06%	243,159 NS	FIGI
State Street(R) SPDR(R) S&P(R) Pharmaceuticals … SPDR SERIES TRUST	XPH	$5.99M	1.95%	200,744 NS	FIGI
iShares Biotechnology ETF iShares Trust	IBB	$5.96M	0.07%	199,599 NS	FIGI
BlackRock Health Sciences Term Trust —	—	$3.84M	0.38%	128,549 NS	FIGI
Driehaus Micro Cap Growth Fund Driehaus Mutual Funds	—	$3.41M	0.74%	114,123 NS	FIGI
iShares Micro-Cap ETF iShares Trust	IWC	$2.14M	0.18%	71,759 NS	FIGI
iShares U.S. Pharmaceuticals ETF iShares Trust	IHE	$2.10M	0.21%	70,280 NS	FIGI
VictoryShares US Small Mid Cap Value Momentum E… Victory Portfolios II	USVM	$2.03M	0.14%	67,965 NS	FIGI

How positions resolve to the securities master. FIGI_COMPOSITE is exact identifier equality — both sides got the FIGI from Bloomberg. TICKER is a narrow fallback used only where the master row carries no FIGI at all (2,389 rows do not, disproportionately Irish-domiciled US listings like LIN and ACN). Roughly 22% of all positions resolve to the master.

Funds holding this security

Identifiers

master.security_identifier

TICKERMBX
FIGI_COMPOSITEBBG00W7W53M5
FIGI_SHARE_CLASSBBG00W7W53N4
CIK0001776111
ISINUS55287L1017
Resolved through OpenFIGI from a holdings ISIN, not supplied by the securities vendor.

Identifiers

Classification

classification.v_security_classification

Asset class: Equity
Sector: Health Care
Industry: Pharmaceuticals
Source: LLMunreviewed
Self-reported confidence: 0.95
Model: deepseek
Rationale: The company is a biopharmaceutical firm classified under SIC 2834, indicating pharmaceutical preparations.

Classifications are unreviewed model output. All 5,771 assignments carry source = LLM and is_reviewed = false. Confidence is the model’s own estimate and is not calibrated — it clustered at 0.90–0.98 across the whole first pass, including rows that later proved wrong. Use it to order a review queue, not as a probability. Two share classes of one issuer can disagree.

Classification

Fund data

Not linked to a fund series.

Either this is not a fund, or it is one the SEC share-class snapshot cannot reach — commodity trusts and notes have no series ID at all.