MBX Biosciences, Inc.

MBX Healthcare Biotechnology

EPS
−34.5%
Free cash flow
−29.7%

Quarter to June 2026, against a year earlier

50.93 2.47 +5.10%
Market cap
$2.3B
P/E
0.0×
Fwd P/E
—
Dividend yield
—
F-score
n/a
Altman Z
n/a
Beneish M
n/a
Dividend safety
n/a

Insider Decisions last twelve months

Bought, $m 0.53
Sold, $m 2.75
Trades a month
Jan 26 Apr 26 Jul 26 Oct 26
Buy — — — 1 — — — — — — — —
Sell — — — — — 3 — — 1 — — 1
Insider Ownership 36.05%

Capital & Financial Ratios $m

Size
Market Cap 2,330.00
Revenue ttm —
Net income ttm (104.29)
Free cash flow ttm (85.20)
Net debt Q (418.58)
Valuation
P/E 0.00
Forward P/E —
Price / sales 0.00
Forward P/S Powerpack
Price / FCF 0.00
Price / book 5.66
Financial health
Current ratio Q 18.08 (at or above 1.5: strong)
Debt / equity Q 0.00 (at or below 0.5: strong)
Interest coverage Q —
Growth
Revenue growth Q —
Operating income growth Q −87.71% (below 0%: shrinking)
EPS, this year −29.03% (below 0%: weak)
EPS, next year A −29.74% (below 0%: weak)
Revenue, next year A —
EPS, past 5 yrs —
EPS, next 5 yrs A −22.84% (below 0%: weak)

Green and red mark values outside typical ranges; (Q) is the latest quarter, (A) analysts’ estimates. How we judge →

Valuation vs history

Dividends

Yield
—
Annual rate
—
Payout ratio
—

Assets vs Liabilities $m

2023 2024 2025 Q'26
Cash 81 262 374 419
Receivables — — — —
Inventory — — — —
Other — — — —
83 267 382 428
2023 2024 2025 Q'26
Payables 1 5 3 4
ST’ Debt — — — —
Other — — — —
4 11 15 24

Compound Annual Growth %

10y 5y 3y
Sales — — —
Cash Flow — — 0.00%
Earnings — — 0.00%
Book Value — — 0.00%

Earnings Trends EPS, adjusted, against the consensus

EPS $

Mar Jun Sep Dec Year
’26 (0.51) (0.78) — — —
’25 (0.71) (0.58) (0.63) (0.49) (2.38)
’24 (10.26) (12.61) (2.78) (0.47) (5.82)
’23 — — (9.40) — (31.96)
Fiscal quarters ending in the months shown.

Revenue $m

Year
Fiscal quarters ending in the months shown.

Operating Cash Flow $m

Mar Jun Sep Dec Year
’26 (20) (23) — — —
’25 (23) (17) (22) (18) (80)
’24 (11) (13) (15) (16) (55)
’23 — — (21) (11) (32)
Fiscal quarters ending in the months shown.

Free Cash Flow $m

Mar Jun Sep Dec Year
’26 (21) (24) — — —
’25 (23) (18) (22) (19) (82)
’24 (11) (14) (15) (16) (56)
’23 — — (21) (11) (32)
Fiscal quarters ending in the months shown.

Target Price Range

Analyst price targets

Recommendation Rating

1.1
1Buy 2 3Hold 4 5Sell

Ten years at a glance

Ten-year view Analyst estimates Powerpack
Group Line 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 TTM Jun ’26 Trend 10 yrs 2026e 2027e 2028e Next 3/yr
Income, $m
Income, $m Revenue — — — — — — — — — — — — 30 30 30 0.0%
Gross margin, % — — — — — — — — — — — —
EBT — — — — — — (26) (33) (62) (87) (104) +49.3%
EBT margin, % — — — — — — 0.00 0.00 0.00 0.00 0.00 0.0 pt
Net income — — — — — — (26) (33) (62) (87) (104) +49.3%
Per share, $
Per share, $ Revenue — — — — — — 0.00 0.00 0.00 0.00 0.00 n/m
Earnings — — — — — — (39.18) (31.96) (5.82) (2.38) (2.41) (60.7%)
Cash flow — — — — — — (34.67) (31.38) (5.14) (2.19) (1.73) (60.2%)
Capex — — — — — — (0.66) (0.13) (0.08) (0.05) (0.05) (56.9%)
Free cash flow — — — — — — (35.33) (31.51) (5.22) (2.24) (1.79) (60.1%)
Book value — — — — — — (63.88) (71.12) 24.19 10.11 8.59 n/m
Shares, m — — — — — — 1 1 11 37 41 +279.7%
Valuation, ×
Valuation, × P/E — — — — — — — — — — 0 —
P/S — — — — — — — — — — 0 —
P/B — — — — — — — — — — 0 —
EV/Sales — — — — — — — — — — 0 —
EV/FCF — — — — — — — — — — 0 —
Cash, $m
Cash, $m Operating cash flow — — — — — — (23) (32) (55) (80) (83) +51.2%
Capex — — — — — — 0 0 (1) (2) (3) +63.5%
Free cash flow — — — — — — (24) (32) (56) (82) (85) +51.5%
Balance, $m
Balance, $m Working capital — — — — — — 41 80 256 366 404 +107.8%
Net debt — — — — — — (42) (81) (262) (374) (419) +106.5%
Shareholders’ equity — — — — — — (43) (72) 257 369 410 n/m
Returns, %
Returns, % ROA — — — — — — 0.00 (50.38) (35.11) (26.61) (31.25) (26.6) pt
ROIC — — — — — — 0.00 0.00 0.00 0.00 0.00 0.0 pt
ROE — — — — — — 0.00 56.60 (66.95) (27.76) (33.17) (27.8) pt
People
People Employees — — — — — — — 36 43 63 — +32.3%
Revenue/emp, $m — — — — — — — 0.00 0.00 0.00 — n/m
Negative figures in brackets.
estimates

All 10 years →

MBX Biosciences, Inc. vs peers in Biotechnology (Q) = latest quarter vs a year earlier

Company Market cap P/E Fwd P/E Revenue growth (Q) EPS growth (Q) FCF growth (Q) Gross margin (Q) EBIT margin (Q) Compare
ADMA ADMA Biologics Inc $3.0B 16.7× 14.0× +5.12% (above 0%: growing) +46.67% (above 0%: growing) +1,709.49% (above 0%: growing) 70.81% 48.02% Compare
ZLAB Zai Lab Limited Unsponsored ADR $2.6B — (loss-making) — (loss-making) −6.79% (below 0%: shrinking) n/m −95.46% (below 0%: shrinking) 0.00% (58.20%) Compare
XNCR Xencor, Inc. $2.5B — (loss-making) — (loss-making) +17.46% (above 0%: growing) n/m −52.91% (below 0%: shrinking) 100.00% (72.37%) Compare
RCUS Arcus Biosciences, Inc. $2.5B — (loss-making) — (loss-making) −65.38% (below 0%: shrinking) n/m +9.28% (above 0%: growing) 100.00% (1,455.56%) Compare
MBX MBX Biosciences, Inc. $2.3B — (loss-making) — — n/m −29.67% (below 0%: shrinking) — 0.00%
PHVS Pharvaris N.V. $2.3B — (loss-making) — — n/m −17.31% (below 0%: shrinking) 0.00% 0.00% Compare
NAMS NewAmsterdam Pharma Company N.V. $2.3B — (loss-making) — (loss-making) +5,406.90% (above 0%: growing) n/m −21.76% (below 0%: shrinking) 100.00% (230.58%) Compare
CLDX Celldex Therapeutics, Inc. $2.2B — (loss-making) — (loss-making) −96.83% (below 0%: shrinking) n/m −35.45% (below 0%: shrinking) 100.00% (366,468.18%) Compare
RXRX Recursion Pharmaceuticals, Inc. $2.2B — (loss-making) — (loss-making) +258.49% (above 0%: growing) n/m +33.83% (above 0%: growing) 45.85% (663.95%) Compare
Median of peers $2.4B — — +5.12% — −19.53% 85.41% (151.47%)

All 621 Biotechnology stocks →

Pay and ownership Proxy statement filed 22 April 2026

Ownership

Directors and executive officers, together 31.09%
Patrick J. Heron 14.02%
Entities affiliated with Frazier Life Sciences 13.98%
Entities affiliated with OrbiMed Advisors LLC 7.65%
Edward T. Mathers 7.64%
Entities affiliated with New Enterprise Associates 7.60%
Entities affiliated with Wellington Management Group LLP 7.04%
Ownership is the proxy’s own table: the directors and officers as a group, and every holder of 5% or more. Read the proxy statement

MBX Biosciences, Inc. (MBX) Latest News

11 Jun

16 Mar

Impact 4 · · Simply Wall St.

10 Mar

7 Mar

Impact 4 · · Simply Wall St.

22 Jan

Impact 3 · · GlobeNewswireMT NewswiresInsider MonkeyInsider MonkeyMT NewswiresGuruFocus.comMarketBeatSimply Wall St.

15 Dec

Impact 3 · · Insider MonkeyMotley FoolMT NewswiresInsider MonkeyZacksInsider MonkeySimply Wall St.Simply Wall St.
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MBX metrics, ten years each

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