Gossamer Bio (GOSS) Stock Price, News & Analysis

Company Overview

Gossamer Bio, Inc., a clinical-stage biopharmaceutical company, focuses on developing and commercializing seralutinib for the treatment of pulmonary arterial hypertension (PAH) in the United States. The company is developing GB002, an inhaled, small molecule, platelet-derived growth factor receptor, or PDGFR, colony-stimulatin factor 1 receptor and c-KIT inhibitor, which is in Phase 3 clinical trial for the treatment of PAH. It has license agreements with Pulmokine, Inc. to develop and commercialize GB002 and related backup compounds. The company was formerly known as FSG, Bio, Inc. and changed its name to Gossamer Bio, Inc. in 2017. Gossamer Bio, Inc. was incorporated in 2015 and is headquartered in San Diego, California.

Key Stats

• Today's Range: $2.27 to $2.44
• 50-Day Range: $1.21 to $2.36
• 52-Week Range: $0.66 to $2.44
• Volume: 3.16 million shs
• Average Volume: 3.06 million shs
• Market Capitalization: $536.62 million
• P/E Ratio: N/A
• Dividend Yield: N/A
• Price Target: $8.50
• Consensus Rating: Buy

Gossamer Bio Stock Analysis - MarketRank™

Gossamer Bio scored higher than 65% of companies evaluated by MarketBeat, and ranked 346th out of 932 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation.

Analyst's Opinion

• Score: 3.5 / 5
• Analyst Rating: Buy

Consensus Rating

Gossamer Bio has received a consensus rating of Buy. The company's average rating score is 3.00, and is based on 4 buy ratings, no hold ratings, and no sell ratings.

Amount of Analyst Coverage

Gossamer Bio has only been the subject of 2 research reports in the past 90 days.

Earnings and Valuation

• Score: 0.0 / 5
• Proj. Earnings Growth: Decreasing

Earnings Growth

Earnings for Gossamer Bio are expected to decrease in the coming year, from ($0.28) to ($0.70) per share.

Price to Earnings Ratio vs. the Market

The P/E ratio of Gossamer Bio is -3.81, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.

Price to Earnings Ratio vs. Sector

The P/E ratio of Gossamer Bio is -3.81, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.

Price to Book Value per Share Ratio

Gossamer Bio has a P/B Ratio of 18.15. P/B Ratios above 3 indicate that a company could be overvalued with respect to its assets and liabilities.

Short Interest

• Score: 1.0 / 5
• Short Interest Level: Bearish

Percentage of Shares Shorted

8.84% of the float of Gossamer Bio has been sold short.

Short Interest Ratio / Days to Cover

Gossamer Bio has a short interest ratio ("days to cover") of 7.6.

Change versus previous month

Short interest in Gossamer Bio has recently increased by 3.48%, indicating that investor sentiment is decreasing.

Dividend

• Score: 0.0 / 5
• Dividend Strength: N/A

Dividend Yield

Gossamer Bio does not currently pay a dividend.

Dividend Growth

Gossamer Bio does not have a long track record of dividend growth.

Sustainability and ESG

• Score: 4.7 / 5
• Environmental Score: -0.67

Percentage of Shares Shorted

8.84% of the float of Gossamer Bio has been sold short.

Short Interest Ratio / Days to Cover

Gossamer Bio has a short interest ratio ("days to cover") of 7.6.

Change versus previous month

Short interest in Gossamer Bio has recently increased by 3.48%, indicating that investor sentiment is decreasing.

News and Social Media

• Score: 0.0 / 5
• News Sentiment: N/A

News Coverage This Week

MarketBeat has tracked 1 news article for Gossamer Bio this week, compared to 2 articles on an average week.

Search Interest

Only 9 people have searched for GOSS on MarketBeat in the last 30 days. This is a decrease of -31% compared to the previous 30 days.

MarketBeat Follows

Only 5 people have added Gossamer Bio to their MarketBeat watchlist in the last 30 days. This is a decrease of -17% compared to the previous 30 days.

Company Ownership

• Score: 1.7 / 5
• Insider Trading: N/A

Insider Buying vs. Insider Selling

In the past three months, Gossamer Bio insiders have not sold or bought any company stock.

Percentage Held by Insiders

Only 6.70% of the stock of Gossamer Bio is held by insiders.

Percentage Held by Institutions

81.23% of the stock of Gossamer Bio is held by institutions. High institutional ownership can be a signal of strong market trust in this company.

GOSS Stock Analysis - Frequently Asked Questions

How have GOSS shares performed this year?

Gossamer Bio's stock was trading at $0.9046 at the beginning of 2025. Since then, GOSS shares have increased by 160.9% and is now trading at $2.36.

How were Gossamer Bio's earnings last quarter?

Gossamer Bio, Inc. (NASDAQ:GOSS) announced its earnings results on Tuesday, August, 5th. The company reported ($0.17) EPS for the quarter, beating analysts' consensus estimates of ($0.18) by $0.01. The company earned $11.49 million during the quarter, compared to the consensus estimate of $4.12 million. Gossamer Bio had a negative net margin of 344.81% and a negative trailing twelve-month return on equity of 1,774.72%.

When did Gossamer Bio IPO?

Gossamer Bio (GOSS) raised $230 million in an initial public offering on Friday, February 8th 2019. The company issued 14,400,000 shares at a price of $16.00 per share. BofA Merrill Lynch, Leerink Partners, Barclays and Evercore ISI served as the underwriters for the IPO.

Who are Gossamer Bio's major shareholders?

Gossamer Bio's top institutional investors include Acadian Asset Management LLC (3.14%), Geode Capital Management LLC (2.00%), Corient Private Wealth LLC (1.62%) and Monaco Asset Management SAM (1.56%). Insiders that own company stock include Faheem Hasnain, Richard Aranda, Bryan Giraudo, Laura Carter and Caryn Peterson.
View institutional ownership trends.

How do I buy shares of Gossamer Bio?

Shares of GOSS stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services.

What other stocks do shareholders of Gossamer Bio own?

Based on aggregate information from My MarketBeat watchlists, some other companies that Gossamer Bio investors own include Voyager Therapeutics (VYGR), Waste Connections (WCN), American Water Works (AWK), DiamondRock Hospitality (DRH), The RMR Group (RMR), AU Optronics (AUOTY) and iShares Micro-Cap ETF (IWC).

Company Calendar

• Last Earnings: 8/05/2025
• Today: 8/25/2025
• Next Earnings (Estimated): 11/06/2025
• Fiscal Year End: 12/31/2025

Industry, Sector and Symbol

• Stock Exchange: NASDAQ
• Sector: Medical
• Industry: MED - BIOMED/GENE
• Sub-Industry: Pharmaceutical Products
• Current Symbol: NASDAQ:GOSS
• CIK: 1728117
• Web: www.gossamerbio.com
• Phone: (858) 684-1300
• Fax: N/A
• Employees: 180
• Year Founded: N/A

Price Target and Rating

• Average Price Target for Gossamer Bio: $8.50
• High Price Target: $11.00
• Low Price Target: $5.00
• Potential Upside/Downside: +259.4%
• Consensus Rating: Buy
• Rating Score (0-4): 3.00
• Research Coverage: 4 Analysts

Profitability

• EPS (Trailing Twelve Months): ($0.62)
• Trailing P/E Ratio: N/A
• Forward P/E Ratio: N/A
• P/E Growth: N/A
• Net Income: -$56.53 million
• Net Margins: -344.81%
• Pretax Margin: -353.62%
• Return on Equity: -1,774.72%
• Return on Assets: -46.73%

Debt

• Debt-to-Equity Ratio: 6.70
• Current Ratio: 4.40
• Quick Ratio: 4.40

Sales & Book Value

• Annual Sales: $114.70 million
• Price / Sales: 4.69
• Cash Flow: N/A
• Price / Cash Flow: N/A
• Book Value: $0.13 per share
• Price / Book: 18.19

Miscellaneous

• Outstanding Shares: 227,380,000
• Free Float: 212,146,000
• Market Cap: $537.75 million
• Optionable: Optionable
• Beta: 1.96