Altimmune, Inc. (ALT)

NASDAQ:
ALT
| Latest update: Feb 23, 2026, 7:43 PM

Stock events for Altimmune, Inc. (ALT)

Altimmune announced positive 48-week data from its IMPACT Phase 2b trial of pemvidutide in December 2025. The company was added to the Nasdaq Biotechnology Index (NBI) in December 2024. Altimmune announced a CEO transition and succession plan in December 2025. The company reported its Q3 2025 earnings, with a cash position of $211 million as of September 30. UBS initiated coverage of Altimmune with a "buy" rating and a price target of $26 in November 2024. Altimmune received FDA Breakthrough Therapy Designation for pemvidutide in MASH in January 2026. The company announced the pricing and closing of a $75 million registered direct equity offering in January 2026.

Demand Seasonality affecting Altimmune, Inc.’s stock price

As a clinical-stage biopharmaceutical company, Altimmune's products are not yet commercialized, so traditional demand seasonality does not apply. The company's progress is driven by clinical trials, regulatory milestones, and financing activities, which do not follow seasonal patterns.

Overview of Altimmune, Inc.’s business

Altimmune, Inc. is a clinical-stage biopharmaceutical company focused on developing peptide-based therapeutics for metabolic and liver diseases, including obesity, MASH, AUD, and ALD. Its lead product candidate, pemvidutide, is in Phase 3 trials for obesity and MASH, and Phase 2 trials for AUD and ALD. Pemvidutide activates both GLP-1 and glucagon receptors, mimicking the effects of diet and exercise on weight loss and liver fat metabolism.

ALT’s Geographic footprint

Altimmune, Inc. is headquartered in Gaithersburg, Maryland, United States. Its primary operations, including research, development, and clinical trials, are based in the U.S.

ALT Corporate Image Assessment

Altimmune's brand reputation appears positive, driven by clinical developments and analyst sentiment. The company has a consensus rating of "Moderate Buy" with an average target price suggesting upside potential. Strong clinical trial results for pemvidutide in MASH and its FDA Breakthrough Therapy Designation contribute to this positive perception.

Ownership

Altimmune's stock ownership includes institutional, retail, and individual investors. As of Q4 2025, 396 institutions held shares, accounting for 40.57% of the total shares. Approximately 60.46% of Altimmune's stock is held by insiders. Retail investors hold approximately 77.20% of the company's stock.

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Price Chart

$4.61

5.14%
(1 month)

Top Shareholders

BlackRock, Inc.
9.30%
The Vanguard Group, Inc.
9.10%
State Street Corp.
4.91%
Geode Holdings Trust
2.20%
Tang Capital Management LLC
2.04%
Jane Street Group LLC
1.71%
Bodel, Inc.
1.31%
Morgan Stanley
1.30%

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FAQ

What is the current stock price of Altimmune, Inc.?

As of the latest update, Altimmune, Inc.'s stock is trading at $4.61 per share.

What’s happening with Altimmune, Inc. stock today?

Today, Altimmune, Inc. stock is up by 5.14%, possibly due to news.

What is the market sentiment around Altimmune, Inc. stock?

Current sentiment around Altimmune, Inc. stock is negative, based on recent news, trading volume, and analyst opinions.

Is Altimmune, Inc.'s stock price growing?

Over the past month, Altimmune, Inc.'s stock price has increased by 5.14%.

How can I buy Altimmune, Inc. stock?

You can buy Altimmune, Inc. stock through any brokerage platform, such as e.g., Robinhood, Fidelity, E*TRADE, by searching for the ticker symbol ALT

Who are the major shareholders of Altimmune, Inc. stock?

Major shareholders of Altimmune, Inc. include institutions such as BlackRock, Inc. (9.30%), The Vanguard Group, Inc. (9.10%), State Street Corp. (4.91%) ... , according to the latest filings.