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NASDAQ · GOSS

Gossamer Bio, Inc.

Healthcare · Biotechnology

$11.24

Down-$0.45 (-3.85%)

Updated Nov 13, 2026, 11:27 AM

SID Score

6.4/10

Composite research score

Smart Money

—

Institutional and insider signal

Market cap
824.25M
P/E ratio
-5.95
Dividend yield
0.00%
52-week range
$0.11 – $14.75
Volume
189K
Avg. volume
3.24M

Price performance · GOSS

GOSS price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Nov 12, 2026

GOSS closed at $11.24 after 21 trading sessions, up 26.43% for the selected period.

Last close
$11.24
Period change
+26.43%
Period low
$8.43
Period high
$11.69
Daily close
View OHLC price history
GOSS OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Nov 12, 2026$11.27$12.15$10.60$11.24189K
Nov 11, 2026$9.76$11.94$9.71$11.69335.92K
Nov 10, 2026$10.52$11.535$10.42$11.28100.31K
Nov 9, 2026$9.93$11.58$9.545$10.645234.67K
Nov 6, 2026$9.27$9.99$9.27$9.7784.73K
Nov 5, 2026$9.77$9.77$8.91$9.42151.77K
Nov 4, 2026$9.42$10.04$9.42$9.95115.91K
Nov 3, 2026$9.38$9.68$8.80$9.28139.44K
Nov 2, 2026$10.30$10.35$9.30$9.45190.79K
Oct 30, 2026$10.56$10.75$10.17$10.38179.49K
Oct 29, 2026$10.70$11.08$10.4785$10.69108.75K
Oct 28, 2026$9.61$10.8763$9.45$10.69186.04K
Oct 27, 2026$9.17$9.87$9.10$9.77138.04K
Oct 26, 2026$9.61$9.644$8.68$9.15250.87K
Oct 23, 2026$9.40$9.77$9.00$9.605144.83K
Oct 22, 2026$9.73$9.965$9.34$9.46190.61K
Oct 21, 2026$9.50$10.39$9.50$9.79218.98K
Oct 20, 2026$8.41$9.625$8.29$9.58214.55K
Oct 19, 2026$8.80$8.885$8.3105$8.43181.02K
Oct 16, 2026$8.88$8.995$8.5101$8.77171.14K
Oct 15, 2026$8.86$9.18$8.73$8.89197.8K

Latest GOSS news

The latest Smart Investors Daily articles mentioning GOSS.

GOSS research

Overview

Company profile and research snapshot.

Company profile

Gossamer Bio Inc is a clinical-stage biopharmaceutical company. It focuses on discovering, acquiring, developing, and commercializing therapeutics in the disease areas of immunology, inflammation, and oncology. The company pipeline products include Seralutinib, which address the cellular overgrowth, fibrosis, and vascular remodeling which underlie PAH (pulmonary arterial hypertension); GB004, for the treatment of inflammatory bowel disease, including ulcerative colitis and Crohn's disease; GB1275, for the treatment of oncology indications; and GB001, for the treatment of moderate-to-severe eosinophilic asthma.

Visit company website

Analyst outlook

Consensus and target data currently published for this company.

Consensus
Buy
Average target
$9.00
Implied upside
—
Analysts
15
GOSS recent ratings
DateFirmRatingTarget
Nov 11, 2026Piper SandlerOverweight—
Nov 11, 2026WedbushNeutral—
Oct 26, 2026Chardan CapitalBuy—
Oct 15, 2026Chardan CapitalBuy—
Oct 13, 2026Chardan CapitalBuy—
Open full forecast

News briefing

Generated Nov 13, 2026, 11:24 AM

Why Is GOSS Down Today?

Gossamer Bio shares fell 3.85% today amid mixed Q3 earnings results and divergent analyst perspectives on the company's valuation. While the biotech firm beat revenue expectations significantly, it missed on earnings per share, triggering a reassessment from multiple analyst firms with conflicting outlooks.

    Bottom line: Gossamer Bio presents a classic growth-at-a-cost story: strong revenue momentum undermined by near-term profitability challenges and analyst confusion about proper valuation. The wide spread between bullish and bearish analyst targets suggests investors should await clearer signals on operating leverage improvements before taking a conviction stance, while monitoring upcoming quarters for evidence that top-line growth is translating to bottom-line improvement.

    Yahoo · Nov 10, 2026

    Gossamer Bio Announces Third Quarter 2026 Financial Results and Provides Business Update

    SAN DIEGO, November 10, 2026--Gossamer Bio, Inc. (Nasdaq: GOSS) (the "Company" or "Gossamer"), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced its financial results for the third quarter ended September 30, 2026, and provided a business update.

    AI research layers

    Interpretive context generated from the platform’s current data sources.

    No results

    AI research layers have not been published yet.