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NASDAQ:ALT

Altimmune (ALT) Stock Price, News & Analysis

Altimmune logo
$3.83 +0.12 (+3.23%)
Closing price 08/29/2025 04:00 PM Eastern
Extended Trading
$3.79 -0.04 (-1.15%)
As of 08/29/2025 07:58 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

About Altimmune Stock (NASDAQ:ALT)

Key Stats

Today's Range
$3.66
$3.86
50-Day Range
$3.38
$7.71
52-Week Range
$2.90
$11.16
Volume
2.74 million shs
Average Volume
2.97 million shs
Market Capitalization
$338.04 million
P/E Ratio
N/A
Dividend Yield
N/A
Price Target
$17.40
Consensus Rating
Moderate Buy

Company Overview

Altimmune Stock Analysis - MarketRank™

See Top-Rated MarketRank™ Stocks
65th Percentile Overall Score

ALT MarketRank™: 

Altimmune scored higher than 65% of companies evaluated by MarketBeat, and ranked 354th out of 944 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation.

  • Consensus Rating

    Altimmune has received a consensus rating of Moderate Buy. The company's average rating score is 2.57, and is based on 5 buy ratings, 1 hold rating, and 1 sell rating.

  • Amount of Analyst Coverage

    Altimmune has been the subject of 6 research reports in the past 90 days, demonstrating strong analyst interest in this stock.

  • Read more about Altimmune's stock forecast and price target.
  • Earnings Growth

    Earnings for Altimmune are expected to grow in the coming year, from ($1.35) to ($0.96) per share.

  • Price to Earnings Ratio vs. the Market

    The P/E ratio of Altimmune is -3.25, 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 Altimmune is -3.25, 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

    Altimmune has a P/B Ratio of 2.09. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.

  • Read more about Altimmune's valuation and earnings.
  • Percentage of Shares Shorted

    33.12% of the float of Altimmune has been sold short.
  • Short Interest Ratio / Days to Cover

    Altimmune has a short interest ratio ("days to cover") of 4.6.
  • Change versus previous month

    Short interest in Altimmune has recently decreased by 8.33%, indicating that investor sentiment is improving significantly.
  • Dividend Yield

    Altimmune does not currently pay a dividend.

  • Dividend Growth

    Altimmune does not have a long track record of dividend growth.

  • Percentage of Shares Shorted

    33.12% of the float of Altimmune has been sold short.
  • Short Interest Ratio / Days to Cover

    Altimmune has a short interest ratio ("days to cover") of 4.6.
  • Change versus previous month

    Short interest in Altimmune has recently decreased by 8.33%, indicating that investor sentiment is improving significantly.
  • News Sentiment

    Altimmune has a news sentiment score of 0.31. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a lower news sentiment than the 1.05 average news sentiment score of Medical companies.
  • News Coverage This Week

    MarketBeat has tracked 21 news articles for Altimmune this week, compared to 7 articles on an average week.
  • Search Interest

    Only 23 people have searched for ALT on MarketBeat in the last 30 days. This is a decrease of -38% compared to the previous 30 days.
  • MarketBeat Follows

    6 people have added Altimmune to their MarketBeat watchlist in the last 30 days. This is an increase of 100% compared to the previous 30 days.
  • Insider Buying vs. Insider Selling

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

  • Percentage Held by Insiders

    Only 4.40% of the stock of Altimmune is held by insiders.

  • Percentage Held by Institutions

    78.05% of the stock of Altimmune is held by institutions. High institutional ownership can be a signal of strong market trust in this company.

  • Read more about Altimmune's insider trading history.
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ALT Stock News Headlines

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See More Headlines

ALT Stock Analysis - Frequently Asked Questions

Altimmune's stock was trading at $7.21 at the start of the year. Since then, ALT shares have decreased by 46.9% and is now trading at $3.83.

Altimmune, Inc. (NASDAQ:ALT) posted its quarterly earnings data on Tuesday, August, 12th. The company reported ($0.27) EPS for the quarter, beating analysts' consensus estimates of ($0.32) by $0.05. The company earned $0.01 million during the quarter, compared to analyst estimates of $0 million. Altimmune had a negative net margin of 438,730.03% and a negative trailing twelve-month return on equity of 62.63%.
Read the conference call transcript
.

Altimmune's stock reverse split on Friday, September 14th 2018.The 1-30 reverse split was announced on Thursday, September 13th 2018. The number of shares owned by shareholders was adjusted after the market closes on Thursday, September 13th 2018. An investor that had 100 shares of stock prior to the reverse split would have 3 shares after the split.

Top institutional investors of Altimmune include Geode Capital Management LLC (2.39%), Caption Management LLC, Federated Hermes Inc. (1.13%) and Bank of America Corp DE (0.81%). Insiders that own company stock include David Drutz, Matthew Scott Harris, Gregory L Weaver and Wayne Pisano.
View institutional ownership trends
.

Shares of ALT 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.

Based on aggregate information from My MarketBeat watchlists, some other companies that Altimmune investors own include Invesco QQQ (QQQ), Meta Platforms (META), NVIDIA (NVDA), Advanced Micro Devices (AMD), Tesla (TSLA), Pfizer (PFE) and SPDR S&P 500 ETF Trust (SPY).

Company Calendar

Last Earnings
8/12/2025
Today
8/30/2025
Next Earnings (Estimated)
11/11/2025
Fiscal Year End
12/31/2025

Industry, Sector and Symbol

Stock Exchange
NASDAQ
Sector
Medical
Industry
MED - DRUGS
Sub-Industry
Pharmaceutical Products
Current Symbol
NASDAQ:ALT
CIK
1326190
Employees
50
Year Founded
N/A

Price Target and Rating

High Price Target
$24.00
Low Price Target
$12.00
Potential Upside/Downside
+354.3%
Consensus Rating
Moderate Buy
Rating Score (0-4)
2.57
Research Coverage
7 Analysts

Profitability

EPS (Trailing Twelve Months)
($1.18)
Trailing P/E Ratio
N/A
Forward P/E Ratio
N/A
P/E Growth
N/A
Net Income
-$95.06 million
Net Margins
-438,730.03%
Pretax Margin
-442,135.00%
Return on Equity
-62.63%
Return on Assets
-55.29%

Debt

Debt-to-Equity Ratio
0.09
Current Ratio
20.44
Quick Ratio
20.44

Sales & Book Value

Annual Sales
$20 thousand
Price / Sales
16,901.79
Cash Flow
N/A
Price / Cash Flow
N/A
Book Value
$1.83 per share
Price / Book
2.09

Miscellaneous

Outstanding Shares
88,260,000
Free Float
84,374,000
Market Cap
$338.04 million
Optionable
Optionable
Beta
-0.01

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This page (NASDAQ:ALT) was last updated on 8/30/2025 by MarketBeat.com Staff
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