Gossamer Bio, Inc. (GOSS)
As-reported financials and SEC filings for Gossamer Bio, Inc. The latest annual period is FY2025. The latest reported quarter is Q2 FY2026. Financial statements come straight from the company’s EDGAR filings; valuation figures such as P/E and market cap use market data.
About Gossamer Bio, Inc.
Gossamer Bio, Inc. is a clinical-stage biopharmaceutical company focused on developing and commercializing seralutinib for treating pulmonary hypertension, including pulmonary arterial hypertension and pulmonary hypertension associated with interstitial lung disease. The company conducts clinical trials and collaborates with partners to advance seralutinib toward regulatory approval and commercialization, primarily serving patients with these lung conditions. Gossamer Bio also manages the development of RT234, an on-demand therapeutic for pulmonary hypertension.
Snapshot
Fundamentals are from SEC filings for FY2025, the latest annual period (ended December 31, 2025). P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.
What changed at Gossamer Bio
- Revenue fell 57.7% to $48M in FY2025.
- Most recent quarter Q2 FY2026: revenue $9M, down 19.6% from Q2 FY2025.
- Free cash flow was negative $171M in FY2025.
- Net loss widened to $170M in FY2025, from $57M in FY2024.
Computed from the as-reported figures in the statements below. A change we cannot state from filed figures is left out rather than estimated.
Peer comparison
Where Gossamer Bio’s fundamentals sit among the 198 pharmaceutical companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).
Gossamer Bio’s revenue growth of -57.7% ranks in the 11th percentile of the 187 pharmaceutical companies reporting it.
No reported insider transactions (codes P/S) in the last 90 days. For context, about 15% of companies in the universe saw any reported insider purchase (code P) in the same window. Browse insider activity →
Percentiles describe where a figure sits among industry peers reporting it (100th = highest). They are position within a peer group, not a rating, and not investment advice. Short interest ranking uses days to cover from FINRA Consolidated Short Interest data; FINRA is the owner and source of that data, included at no additional charge.
Institutional ownership
Held by 5 quant / multi-strat books among the superinvestors we track; no conviction manager currently reports a position.
| Investor | As of | Position value | Shares | Change |
|---|---|---|---|---|
| D. E. Shawquant | Q2 2026 | $6.7M | 41.0M | Added |
| AQR Capital Managementquant | Q2 2026 | $2.6M | 15.6M | Added |
| Renaissance Technologiesquant | Q2 2026 | $1.9M | 11.6M | Added |
| Two Sigma Investmentsquant | Q2 2026 | $1.2M | 7.4M | Added |
| Millennium Managementquant | Q2 2026 | $395,473 | 2.4M | Added |
From quarterly Form 13F filings, which can be up to 45 days delayed. Long US-listed positions only: excludes short positions, options, cash, bonds, and non-US holdings, so this is not a manager’s complete portfolio. Counts are of the investors we track, not all institutions. Not investment advice.
Short interest
Total shares sold short as of each twice-monthly FINRA settlement. Rising short interest means more investors are positioned against the stock; days to cover estimates how many trading days of average volume that position represents.
| Settlement | Shares short | Change | Days to cover |
|---|---|---|---|
| 2026-08-14 | 86.8M | -8.6% | 7.37 |
| 2026-07-31 | 95.0M | +29.8% | 1.49 |
| 2026-07-15 | 73.2M | +36.3% | 3.79 |
| 2026-06-30 | 53.7M | -4.5% | 3.22 |
| 2026-06-15 | 56.2M | -10.5% | 3.41 |
| 2026-05-29 | 62.8M | +53.8% | 2.84 |
| 2026-05-15 | 40.8M | +2.0% | 11.48 |
| 2026-04-30 | 40.0M | -0.4% | 7.65 |
Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data, which is included at no additional charge for your own personal or professional use; republishing or redistributing it is not permitted. Settlement dates are shown; FINRA publishes each settlement about nine business days later, so the latest figure can be two to four weeks old. Not presented as a percentage of float. No FINRA endorsement of this product is implied. Not investment advice.
Income statement (as reported)
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|
| Revenue | $48.5M | $114.7M | $0 | $0 | — |
| Gross profit | — | — | — | — | — |
| Operating income | $-170.7M | $-59.9M | $-183.8M | $-218.6M | $-216.1M |
| Net income | $-170.4M | $-56.5M | $-179.8M | $-229.4M | $-234.0M |
| Diluted EPS | $-0.75 | $-0.25 | $-1.18 | $-2.71 | $-3.13 |
Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.
Balance sheet (as reported)
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|
| Cash and equivalents | $37.7M | $46.1M | $32.1M | $112.0M | $183.4M |
| Current assets | $167.6M | $309.9M | $306.5M | $261.9M | $331.8M |
| Total assets | $172.2M | $315.3M | $311.9M | $272.4M | $343.7M |
| Current liabilities | $63.4M | $45.0M | $51.6M | $49.2M | $39.9M |
| Long-term debt | — | $0 | $814,000 | $12.0M | $29.1M |
| Total liabilities | $295.0M | $285.8M | $249.1M | $260.4M | $222.2M |
| Total equity | $-122.8M | $29.5M | $62.8M | $12.1M | $121.5M |
Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.
Cash flow (as reported)
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|
| Operating cash flow | $-171.3M | $-3.5M | $-159.2M | $-187.0M | $-188.9M |
| Capital expenditure | $79,000 | $0 | $0 | $410,000 | $1.5M |
| Free cash flow | $-171.3M | $-3.5M | $-159.2M | $-187.4M | $-190.4M |
Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.
Quarterly trend (as reported)
| Quarter | Revenue | Revenue YoY | Net income | Diluted EPS |
|---|---|---|---|---|
| Q2 FY2026 | $9.2M | -19.6% | $16.9M | — |
| Q1 FY2026 | $17.0M | 71.5% | $-46.7M | $-0.20 |
| Q4 FY2025 | $13.8M | 47.1% | $-47.2M | $-0.20 |
| Q3 FY2025 | $13.3M | 40.2% | $-48.2M | $-0.21 |
| Q2 FY2025 | $11.5M | -88.0% | $-38.3M | $-0.17 |
| Q1 FY2025 | $9.9M | — | $-36.6M | $-0.16 |
| Q4 FY2024 | $9.4M | — | $-33.0M | $-0.15 |
| Q3 FY2024 | $9.5M | — | $-30.8M | $-0.14 |
Latest 8 reported quarters, from company XBRL filings on SEC EDGAR.
Company facts
Selected SEC filings
Largest pharmaceutical peers
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Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.