Gossamer Bio, Inc.

GOSS Healthcare Biotechnology

Gossamer Bio, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $48.5 million, down 57.7% from fiscal 2024. In the quarter to June 2026, revenue fell 19.6%, EPS grew 129.4%, free cash flow grew 16.3% and total debt fell 81.7%, each against the same quarter a year earlier.

8.66 0.23 −2.59%
Market cap
$54.3M
P/E
0.0×
Fwd P/E
−0.4×
Dividend yield
—
F-score
n/a
Altman Z
−12.52
Beneish M
0.74
Dividend safety
n/a

Insider Decisions trades per month

Dec 25 Mar 26 Jun 26 Sep 26
Buy — — — — — — — — — — — —
Sell — — — — — — — — — — — —
Insider Ownership 0.00%

Capital & Financial Ratios $m

Market Cap 54.32
Revenue 53.29
Net Income (125.22)
Free Cash Flow (162.63)
Net Debt (20.88)
Current Ratio 0.53 (below 1: weak)
Debt/Equity (0.38) (negative: negative equity)
P/E ratio 0.00
Fwd P/E (0.36) (negative: loss-making)
P/S ratio 0.65
P/B ratio 0.00
Past 5Y EPS Growth —
This Y EPS Growth 73.96% (at or above 15%: strong)
Next Y EPS Growth 32.65% (at or above 15%: strong)
Next Y revenue growth (26.02%) (below 0%: weak)
Next 5Y EPS Growth 45.71% (at or above 15%: strong)

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

Valuation vs history

Dividends

Payout Ratio —
Annual Dividend Rate —
Annual Dividend Yield —
total individual payouts
2025 Powerpack
2024 Powerpack
2023 Powerpack
2022 Powerpack
2021 Powerpack
2020 Powerpack
2019 Powerpack
2017 Powerpack
predictions special payouts not included in total or ratios

Assets vs Liabilities $m

2023 2024 2025 Q'26
Cash 296 295 137 57
Receivables — 5 12 6
Inventory — — — —
Other — — — —
307 310 168 73
2023 2024 2025 Q'26
Payables 6 2 6 6
ST’ Debt 12 — — 36
Other — 17 20 68
52 45 63 138

Compound Annual Growth %

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

Revenue $m

Mar Jun Sep Dec Year
’26 17 9 — — —
’25 10 11 13 14 48
Fiscal quarters ending in the months shown.

Operating Cash Flow $m

Mar Jun Sep Dec Year
’26 (39) (39) — — —
’25 (40) (47) (36) (48) (171)
’24 (52) 116 (32) (35) (3)
’23 (53) (38) (34) (33) (159)
’22 (53) (49) (37) (48) (187)
’21 (59) (47) (42) (41) (189)
’20 (52) (42) (45) (37) (176)
Fiscal quarters ending in the months shown.

Free Cash Flow $m

Mar Jun Sep Dec Year
’26 (39) (39) — — —
’25 (40) (47) (36) (48) (171)
’24 (52) 116 (32) (35) (3)
’23 (53) (38) (34) (33) (159)
’22 (54) (49) (37) (48) (187)
’21 (60) (48) (43) (41) (190)
’20 (53) (43) (45) (37) (178)
Fiscal quarters ending in the months shown.

EPS $

Mar Jun Sep Dec Year
’26 (16.00) 4.11 — — —
’25 (12.80) (13.60) (16.80) (16.80) (60.00)
’24 (15.20) 17.60 (11.20) (12.00) (20.00)
’23 (41.60) (36.00) (16.80) (16.80) (94.40)
’22 (60.80) (59.20) (52.00) (47.20) (216.80)
’21 (62.40) (64.00) (64.00) (59.20) (250.40)
’20 (69.60) (80.00) (64.00) (70.40) (284.00)
Fiscal quarters ending in the months shown.

Target Price Range

Analyst price targets

Recommendation Rating

2.3
1Buy 2 3Hold 4 5Sell

Ten years at a glance Fiscal years to December

Group Line 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Trend 2026e 2027e 2028e
Price, $
Price, $ Low — — — 1,132.80 601.60 563.20 125.60 36.24 39.92 60.80

Analyst estimates 2026–2028

Powerpack
High — — — 2,172.00 1,343.20 1,144.00 1,215.60 244.80 128.00 309.60
People
People Employees — 105 119 171 196 185 178 135 145 162
Revenue/emp, $m — 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.79 0.30
Income, $m
Income, $m Revenue — — — — — — — — 115 48
Gross margin, % — — 0.00 0.00 0.00 0.00 0.00 — 100.00 100.00
EBT 0 (7) (147) (180) (243) (234) (229) (180) (56) (170)
EBT margin, % 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (48.50) (351.67)
Net income 0 (7) (147) (180) (243) (234) (229) (180) (57) (170)
Depreciation — — 0 1 8 12 4 (4) (8) (5)
Per share, $
Per share, $ Revenue 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 40.56 16.97
Earnings 0.00 (59.13) (1,807.20) (263.20) (284.00) (250.40) (216.80) (94.40) (20.00) (60.00)
Cash flow 0.00 (50.17) (627.85) (211.65) (205.93) (201.91) (176.91) (83.42) (1.23) (59.96)
Capex 0.00 0.00 (42.93) (4.33) (1.75) (1.65) (0.39) 0.00 0.00 (0.03)
Free cash flow 0.00 (50.17) (670.77) (215.99) (207.69) (203.57) (177.30) (83.42) (1.23) (59.98)
Book value 0.00 (59.93) (1,476.86) 515.10 374.46 129.84 11.42 32.90 10.43 (42.98)
Shares, m 66 0 0 1 1 1 1 2 3 3
Valuation, ×
Valuation, × P/E — — — — — — — — 0.00 0.00
P/S — — — — — — — — 0.00 14.62
P/B — — — — — — — — 6.94 0.00
EV/Sales — — — — — — — — 0.00 16.08
EV/FCF — — — — — — — — (30.26) (4.55)
Cash, $m
Cash, $m Operating cash flow 0 (6) (51) (145) (176) (189) (187) (159) (3) (171)
Capex — — (3) (3) (2) (2) 0 — — 0
Free cash flow 0 (6) (55) (148) (178) (190) (187) (159) (3) (171)
Balance, $m
Balance, $m Working capital 0 (1) 212 372 484 292 213 255 265 104
Total debt 0 6 — 31 176 182 219 209 198 199
Net debt 0 6 (229) (371) (337) (143) (36) (87) (97) 62
Shareholders’ equity — (7) (120) 352 321 121 12 63 29 (123)
Returns, %
Returns, % ROA (37.30) (3,043.15) (122.54) (54.14) (50.38) (53.00) (74.46) (61.54) (18.03) (69.89)
ROIC 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
ROE 2.38 193.87 231.57 (155.16) (72.30) (105.85) (343.53) (480.50) (122.54) 365.33
Negative figures in brackets.

All 10 years →

Fiscal years to Dec 2025 · latest quarter Jun 2026

Charts ten years each

Gossamer Bio, 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
TENX Tenax Therapeutics, Inc. $56.5M — (loss-making) — −77.98% (below 0%: shrinking) n/m −125.93% (below 0%: shrinking) 0.00% 0.00% Compare
ALPS Alps Group Inc. $56.4M — (loss-making) — — n/m −26.48% (below 0%: shrinking) — 0.00% Compare
ELOX Senesco Technologies Inc. $55.3M — (loss-making) — — n/m −144.34% (below 0%: shrinking) 100.00% 0.00% Compare
GUTS Fractyl Health, Inc. $55.2M — (loss-making) — (loss-making) −57.14% (below 0%: shrinking) n/m +25.34% (above 0%: growing) 100.00% 0.00% Compare
GOSS Gossamer Bio, Inc. $54.3M — (loss-making) — (loss-making) −19.59% (below 0%: shrinking) n/m +16.32% (above 0%: growing) 100.00% (282.25%)
RNTX Rein Therapeutics Inc. $54.2M — (loss-making) — — n/m −34.62% (below 0%: shrinking) 0.00% 0.00% Compare
RNXT RenovoRx, Inc. $53.7M — (loss-making) — (loss-making) +115.40% (above 0%: growing) n/m −27.63% (below 0%: shrinking) 84.27% (368.43%) Compare
BOLD Boundless Bio, Inc. $53.5M — (loss-making) — — n/m −76.90% (below 0%: shrinking) — 0.00% Compare
ATHE Alterity Therapeutics Limited - Sponsored ADR $52.0M — (loss-making) — — 0.00% −84.83% (below 0%: shrinking) 0.00% — Compare
Median of peers $54.7M — — −57.14% — −55.76% 42.14% 0.00%

All 614 Biotechnology stocks →

Gossamer Bio, Inc. (GOSS) key facts

  • Concern: Gossamer Bio, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $48.5 million, down 57.7% from fiscal 2024.
  • Gossamer Bio, Inc. (GOSS) is a Biotechnology company in the Healthcare sector, listed on Nasdaq.
  • As of October 16, 2026, GOSS traded at $8.66, a market capitalization of $54.3 million.
  • Return on equity was 365.3% and debt-to-equity -0.38.
  • Its Altman Z-score is −12.52 (distress zone) for fiscal 2025.

Source: company filings (standardised) and stockrow calculations.

Gossamer Bio, Inc. (GOSS) Latest News

27 May

Impact 3 · transcript

19 May

Impact 3 · transcript
stockrow.com/GOSS · Data as of Jun 30, 2026 · For information only; not investment advice. · © 2026 stockrow.com