MBX Biosciences, Inc.

MBX Healthcare Biotechnology

In the quarter to June 2026, EPS fell 34.5% and free cash flow fell 29.7%, each against the same quarter a year earlier. Insiders bought in the last twelve months.

49.61 1.10 −2.17%
Market cap
$2.4B
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 trades per month

Total buys 0.53
Total sells 2.73
Totals in millions of $.
Dec 25 Mar 26 Jun 26 Sep 26
Buy — — — — 1 — — — — — — —
Sell — — — — — — 3 — — 1 — —
Insider Ownership 36.05%

Capital & Financial Ratios $m

Market Cap 2,440.00
Revenue —
Net Income (104.29)
Free Cash Flow (85.20)
Net Debt (418.58)
Current Ratio 18.08 (at or above 1.5: strong)
Debt/Equity 0.00 (at or below 0.5: strong)
P/E ratio 0.00
Fwd P/E —
P/S ratio 0.00
P/B ratio 5.78
Past 5Y EPS Growth —
This Y EPS Growth (29.03%) (below 0%: weak)
Next Y EPS Growth (29.74%) (below 0%: weak)
Next Y revenue growth —
Next 5Y EPS Growth (22.84%) (below 0%: weak)

Green and red mark values outside typical ranges. How we judge →

Valuation vs history

Dividends

Payout Ratio —
Annual Dividend Rate —
Annual Dividend Yield —

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%

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.

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.

Target Price Range

Analyst price targets

Recommendation Rating

1.1
1Buy 2 3Hold 4 5Sell

Ten years at a glance

Group Line 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Trend 2026e 2027e 2028e
Price, $
Price, $ Low — — — — — — — — 15.31 4.81

Analyst estimates 2026–2028

Powerpack
High — — — — — — — — 27.50 35.55
People
People Employees — — — — — — — 36 43 63
Revenue/emp, $m — — — — — — — 0.00 0.00 0.00
Income, $m
Income, $m Revenue — — — — — — — — — —
Gross margin, % — — — — — — — — — —
EBT — — — — — — (26) (33) (62) (87)
EBT margin, % — — — — — — 0.00 0.00 0.00 0.00
Net income — — — — — — (26) (33) (62) (87)
Depreciation — — — — — — 0 0 0 0
Per share, $
Per share, $ Revenue — — — — — — 0.00 0.00 0.00 0.00
Earnings — — — — — — (39.18) (31.96) (5.82) (2.38)
Cash flow — — — — — — (34.67) (31.38) (5.14) (2.19)
Capex — — — — — — (0.66) (0.13) (0.08) (0.05)
Free cash flow — — — — — — (35.33) (31.51) (5.22) (2.24)
Book value — — — — — — (63.88) (71.12) 24.19 10.11
Shares, m — — — — — — 1 1 11 37
Valuation, ×
Valuation, × P/E — — — — — — — — — —
P/S — — — — — — — — — —
P/B — — — — — — — — — —
EV/Sales — — — — — — — — — —
EV/FCF — — — — — — — — — —
Cash, $m
Cash, $m Operating cash flow — — — — — — (23) (32) (55) (80)
Capex — — — — — — 0 0 (1) (2)
Free cash flow — — — — — — (24) (32) (56) (82)
Balance, $m
Balance, $m Working capital — — — — — — 41 80 256 366
Total debt — — — — — — — — — —
Net debt — — — — — — (42) (81) (262) (374)
Shareholders’ equity — — — — — — (43) (72) 257 369
Returns, %
Returns, % ROA — — — — — — 0.00 (50.38) (35.11) (26.61)
ROIC — — — — — — 0.00 0.00 0.00 0.00
ROE — — — — — — 0.00 56.60 (66.95) (27.76)
Negative figures in brackets.

All 10 years →

Charts ten years each

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
ZLAB Zai Lab Limited Unsponsored ADR $2.7B — (loss-making) — (loss-making) −3.33% (below 0%: shrinking) n/m −84.42% (below 0%: shrinking) 54.70% (71.95%) Compare
PGEN Precigen, Inc. $2.6B — (loss-making) — (loss-making) +6,322.66% (above 0%: growing) n/m +8.73% (above 0%: growing) 94.90% 41.18% Compare
BEAM Beam Therapeutics Inc. $2.6B — (loss-making) — (loss-making) −94.21% (below 0%: shrinking) n/m +13.92% (above 0%: growing) 100.00% (25,827.14%) Compare
NAMS NewAmsterdam Pharma Company N.V. $2.5B — (loss-making) — (loss-making) −80.67% (below 0%: shrinking) n/m −4.07% (below 0%: shrinking) 100.00% (1,752.61%) Compare
MBX MBX Biosciences, Inc. $2.4B — (loss-making) — — n/m −29.67% (below 0%: shrinking) — 0.00%
ADMA ADMA Biologics Inc $2.4B 14.8× 9.5× +1.98% (above 0%: growing) +21.43% (above 0%: growing) +19.72% (above 0%: growing) 69.36% 42.16% Compare
SLS SELLAS Life Sciences Group, Inc. $2.3B — (loss-making) — (loss-making) −57.10% (below 0%: shrinking) n/m −3.52% (below 0%: shrinking) 0.00% 0.00% Compare
CLDX Celldex Therapeutics, Inc. $2.3B — (loss-making) — (loss-making) −96.83% (below 0%: shrinking) n/m −35.45% (below 0%: shrinking) 100.00% (366,468.18%) Compare
AUPH Aurinia Pharmaceuticals Inc $2.2B 6.9× 16.5× +18.87% (above 0%: growing) +81.25% (above 0%: growing) +19.08% (above 0%: growing) 92.12% 48.19% Compare
Median of peers $2.4B — — −30.21% — +2.61% 93.51% (35.97%)

All 614 Biotechnology stocks →

MBX Biosciences, Inc. (MBX) key facts

  • MBX Biosciences, Inc. (MBX) is a Biotechnology company in the Healthcare sector, listed on Nasdaq.
  • As of October 16, 2026, MBX traded at $49.61, a market capitalization of $2.4 billion.
  • Return on equity was −27.8% and debt-to-equity 0.00.

Source: company filings (standardised) and stockrow calculations.

MBX Biosciences, Inc. (MBX) Latest News

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