PortfoliosLab logoPortfoliosLab logo
ISIN
US38341P1021
CUSIP
38341P102
IPO Date
Feb 8, 2019

Highlights

Market Cap
$40.13M
Enterprise Value
$201.08M
EPS (TTM)
-$0.79
Total Revenue (TTM)
$55.54M
Gross Profit (TTM)
$38.36M
EBITDA (TTM)
-$171.46M
Year Range
$0.14 - $3.87
Target Price
$0.77
ROA (TTM)
-139.95%
ROE (TTM)
111.71%

Share Price Chart


Loading charts...

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


Gossamer Bio, Inc.

Performance

GOSS Performance Chart

Gossamer Bio, Inc. (GOSS) is down 94.5% since the beginning of the year. At $0 per share, GOSS is trading 95.6% below its 52-week high of $4. Investors who bought $1,000 worth of GOSS shares 5 years ago would now be looking at an investment worth $20.


Loading charts...

S&P 500 Index

Returns By Period

Gossamer Bio, Inc. (GOSS) has returned -94.47% so far this year and -87.49% over the past 12 months.


Gossamer Bio, Inc.

1D
4.38%
1M
-18.42%
YTD
-94.47%
6M
-94.78%
1Y
-87.49%
3Y*
-49.74%
5Y*
-54.19%
10Y*

Benchmark (S&P 500 Index)

1D
-1.44%
1M
-1.45%
YTD
7.60%
6M
6.59%
1Y
22.24%
3Y*
19.20%
5Y*
11.54%
10Y*
13.71%
*Multi-year figures are annualized to reflect compound growth (CAGR)

GOSS Monthly Returns History

Based on dividend-adjusted daily data since Feb 8, 2019, GOSS's average daily return is -0.03%, while the average monthly return is -1.25%.

Historically, 44% of months were positive and 56% were negative. The best month was Feb 2024 with a return of +67.9%, while the worst month was Feb 2026 at -81.4%. The longest winning streak lasted 5 consecutive months, and the longest losing streak was 6 months.

On a daily basis, GOSS closed higher 47% of trading days. The best single day was Jul 13, 2022 with a return of +31.9%, while the worst single day was Feb 23, 2026 at -80.1%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026-26.45%-81.36%-22.69%11.96%-37.22%-25.77%-94.47%
20259.84%23.79%-10.57%-7.27%8.82%10.81%65.85%21.08%6.48%-6.84%36.33%-7.19%242.69%
2024-7.95%67.86%-16.31%-39.83%-16.90%52.69%0.27%-2.82%12.37%-10.99%-20.50%29.60%-0.87%
202321.66%-34.47%-27.17%2.38%3.88%-10.45%12.50%-22.96%-19.92%-39.96%56.44%16.66%-57.95%
2022-15.21%-5.84%-3.88%-20.39%2.03%18.72%34.17%24.22%-14.12%-7.35%-22.88%-74.65%-80.81%
20214.45%-6.93%-1.60%-6.59%-1.97%-4.13%-3.20%26.46%26.46%-1.19%-12.72%4.34%16.96%

Benchmark Metrics

Gossamer Bio, Inc. has an annualized alpha of -23.73%, beta of 1.21, and R2 of 0.06 versus S&P 500 Index. Calculated based on daily prices since February 08, 2019.

  • This stock participated in 233.93% of S&P 500 Index downside but only 66.04% of its upside - more exposed to losses than it benefited from rallies.
  • R2 of 0.06 means this stock moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

Alpha
-23.73%
Beta
1.21
0.06
Upside Capture
66.04%
Downside Capture
233.93%

Return for Risk

Risk / Return Rank

GOSS ranks 11 for risk / return — in the bottom 11% of stocks on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.


GOSS Risk / Return Rank: 1111
Overall Rank
GOSS Sharpe Ratio Rank: 1313
Sharpe Ratio Rank
GOSS Sortino Ratio Rank: 1717
Sortino Ratio Rank
GOSS Omega Ratio Rank: 1414
Omega Ratio Rank
GOSS Calmar Ratio Rank: 66
Calmar Ratio Rank
GOSS Martin Ratio Rank: 55
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for Gossamer Bio, Inc. (GOSS) and compare them to S&P 500 Index.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.


GOSSBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-2.46

Sortino ratioReturn per unit of downside risk

-3.09

Omega ratioGain probability vs. loss probability

0.89

1.32

-0.43

Calmar ratioReturn relative to maximum drawdown

-0.91

2.46

-3.37

Martin ratioReturn relative to average drawdown

-1.57

10.92

-12.49

Dividends

Dividend History


Gossamer Bio, Inc. doesn't pay dividends

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


Loading charts...

Worst Drawdowns

The table below displays the maximum drawdowns of the Gossamer Bio, Inc.. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Gossamer Bio, Inc. was 99.42%, occurring on Jun 10, 2026. The portfolio has not yet recovered.

The current Gossamer Bio, Inc. drawdown is 99.36%.


Related event

Drawdown

Fall

Recovery

Underwater

2026 bear market2026
-99.42%Jun 2026
6y 6mo
6y 6moDec 2019 - now
2019 bear market2019
-38.15%Oct 2019
7mo 16d1mo 9d
8mo 25dFeb 2019 - Nov 2019
2019 pullback2019
-7.47%Feb 2019
5d2d
7dFeb 2019 - Feb 2019
2019 pullback2019
-5.01%Dec 2019
0s5d
5dDec 2019 - Dec 2019
2019 pullback2019
-3.14%Dec 2019
0s2d
2dDec 2019 - Dec 2019

Drawdown Indicators


GOSSBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-99.42%

-56.78%

-42.64%

Max Drawdown (1Y)

Largest decline over 1 year

-95.88%

-9.10%

-86.78%

Max Drawdown (3Y)

Largest decline over 3 years

-95.88%

-18.90%

-76.98%

Max Drawdown (5Y)

Largest decline over 5 years

-98.95%

-25.43%

-73.52%

Max Drawdown (10Y)

Largest decline over 10 years

-33.92%

Current Drawdown

Current decline from peak

-99.36%

-3.21%

-96.15%

Average Drawdown

Average peak-to-trough decline

-71.54%

-10.71%

-60.83%

Ulcer Index

Depth and duration of drawdowns from previous peaks

55.63%

2.04%

+53.59%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


Loading charts...

Financials

Financial Performance

The chart below illustrates the trends in the financial health of Gossamer Bio, Inc. over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.


Annual
Quarterly

0.0

Valuation

The Valuation section provides an overview of how Gossamer Bio, Inc. is priced in the market compared to other companies in the Biotechnology industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.


PS Ratio

This chart shows the Price-to-Sales (P/S) ratio for GOSS relative to other companies in the Biotechnology industry. Currently, GOSS has a P/S ratio of 0.7. This P/S ratio is low compared to the industry average. It may indicate that the stock is undervalued relative to its revenue, or that the market expects slower growth or lower margins.

Income Statement



TTM
Revenue

Total Revenue

Cost Of Revenue

Gross Profit

Operating Expenses

Selling, General & Admin Expenses

R&D Expenses

Depreciation And Amortization

Total Operating Expenses

Income

Income Before Tax

Operating Income

EBITDA

EBIT

Earnings From Continuing Operations

Net Income

Income Tax Expense

Other Non-Operating Income (Expenses)

Extraordinary Items

Discontinued Operations

Effect Of Accounting Charges

Non Recurring

Minority Interest

Other Items

Interest Income

Interest Expense

Net Interest Income

Values in undefined except per share items
Portfolio Analyzer

Build a portfolio with GOSS

Add Gossamer Bio, Inc. to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Analyzer with GOSS