Stock listing
BOATS:ALT Altimmune, Inc. Stock
US listing (BOATS) of Altimmune, Inc. · home listing NASDAQ:ALT
Follow Altimmune, Inc. into a list and get an email when it puts out news.
Home listing price · NASDAQ:ALT
$2.30 USD +0.07 (+3.1%)
Close on Oct 20, 2026 · This listing has no price on 6ix; the price shown is the home listing's, NASDAQ:ALT
- Day range
- $2.20 – $2.32 USDOct 20, 2026
- Volume
- 2.23M sharesOct 20, 2026
- Market cap
- $447.4M USDAt the close on Oct 20, 2026 · price × 194.5M shares outstanding
- 52-week range
- $2.17 – $6.44 USDLowest and highest trades, Oct 21, 2025 – Oct 20, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:ALT · Home | $2.30 USD | +0.07 (+3.1%) | 2,229,237 | $2.22 | $2.32 | $2.20 | $2.23 | Close on Oct 20, 2026 |
| Frankfurt:3G0 | €2.02 EUR | +0.078 (+4.0%) | — | €1.932 | €2.02 | €1.932 | €1.942 | Close on Oct 20, 2026 |
Daily closes
Last 3 months, Jul 20, 2026 – Oct 20, 2026 · NASDAQ:ALT · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $2.30 | +0.07 | +3.1% | $2.22 | $2.32 | $2.20 | 2,229,237 | |
| $2.23 | +0.03 | +1.4% | $2.22 | $2.26 | $2.18 | 2,600,535 | |
| $2.20 | -0.16 | -6.8% | $2.365 | $2.369 | $2.17 | 4,240,400 | |
| $2.36 | +0.05 | +2.2% | $2.31 | $2.38 | $2.29 | 3,344,400 | |
| $2.31 | -0.12 | -4.9% | $2.40 | $2.41 | $2.29 | 5,623,700 | |
| $2.43 | -0.13 | -5.1% | $2.56 | $2.56 | $2.43 | 3,713,400 | |
| $2.56 | -0.05 | -1.9% | $2.59 | $2.625 | $2.56 | 2,158,700 | |
| $2.61 | +0.01 | +0.4% | $2.60 | $2.64 | $2.57 | 2,677,700 | |
| $2.60 | -0.06 | -2.3% | $2.66 | $2.66 | $2.55 | 4,929,500 | |
| $2.66 | -0.01 | -0.4% | $2.64 | $2.74 | $2.63 | 3,168,200 | |
| $2.67 | 0.00 | 0.0% | $2.70 | $2.70 | $2.64 | 7,623,300 | |
| $2.67 | -0.065 | -2.4% | $2.73 | $2.747 | $2.65 | 3,839,500 | |
| $2.735 | -0.025 | -0.9% | $2.80 | $2.81 | $2.71 | 4,243,900 | |
| $2.76 | -0.10 | -3.5% | $2.85 | $2.85 | $2.75 | 3,589,100 | |
| $2.86 | -0.11 | -3.7% | $2.99 | $2.99 | $2.86 | 4,922,500 | |
| $2.97 | +0.01 | +0.3% | $2.99 | $3.006 | $2.92 | 2,561,000 | |
| $2.96 | -0.10 | -3.3% | $3.04 | $3.07 | $2.95 | 3,357,500 | |
| $3.06 | +0.02 | +0.7% | $3.05 | $3.11 | $3.00 | 2,858,800 | |
| $3.04 | -0.15 | -4.7% | $3.18 | $3.20 | $2.98 | 3,685,800 | |
| $3.19 | -0.22 | -6.5% | $3.42 | $3.425 | $3.15 | 4,531,500 | |
| $3.41 | +0.14 | +4.3% | $3.33 | $3.41 | $3.25 | 4,003,300 | |
| $3.27 | +0.02 | +0.6% | $3.31 | $3.34 | $3.24 | 3,516,200 | |
| $3.25 | +0.01 | +0.3% | $3.23 | $3.26 | $3.18 | 12,175,800 | |
| $3.24 | 0.00 | 0.0% | $3.31 | $3.35 | $3.21 | 3,456,600 | |
| $3.24 | +0.01 | +0.3% | $3.27 | $3.29 | $3.195 | 3,328,800 | |
| $3.23 | -0.07 | -2.1% | $3.30 | $3.31 | $3.21 | 2,334,500 | |
| $3.30 | +0.03 | +0.9% | $3.27 | $3.36 | $3.27 | 2,460,900 | |
| $3.27 | -0.02 | -0.6% | $3.33 | $3.41 | $3.26 | 2,704,700 | |
| $3.29 | -0.06 | -1.8% | $3.32 | $3.345 | $3.25 | 2,563,000 | |
| $3.35 | -0.01 | -0.3% | $3.35 | $3.425 | $3.291 | 3,069,900 | |
| $3.36 | -0.06 | -1.8% | $3.46 | $3.55 | $3.34 | 3,588,400 | |
| $3.42 | +0.19 | +5.9% | $3.28 | $3.43 | $3.25 | 4,867,100 | |
| $3.23 | -0.05 | -1.5% | $3.30 | $3.32 | $3.19 | 2,550,400 | |
| $3.28 | +0.19 | +6.1% | $3.10 | $3.34 | $3.10 | 7,470,000 | |
| $3.09 | -0.02 | -0.6% | $3.07 | $3.095 | $3.02 | 2,355,200 | |
| $3.11 | 0.00 | 0.0% | $3.08 | $3.135 | $3.06 | 2,216,400 | |
| $3.11 | -0.13 | -4.0% | $3.21 | $3.23 | $3.06 | 3,188,500 | |
| $3.24 | +0.09 | +2.9% | $3.19 | $3.25 | $3.13 | 2,276,800 | |
| $3.15 | -0.05 | -1.6% | $3.20 | $3.20 | $3.09 | 4,046,200 | |
| $3.20 | +0.09 | +2.9% | $3.14 | $3.225 | $3.11 | 3,814,600 | |
| $3.11 | 0.00 | 0.0% | $3.13 | $3.13 | $3.025 | 2,715,900 | |
| $3.11 | +0.16 | +5.4% | $2.98 | $3.24 | $2.95 | 6,148,000 | |
| $2.95 | -0.17 | -5.4% | $3.07 | $3.08 | $2.92 | 4,681,400 | |
| $3.12 | +0.15 | +5.1% | $3.04 | $3.20 | $3.005 | 10,824,100 | |
| $2.97 | -0.03 | -1.0% | $2.99 | $3.03 | $2.96 | 2,472,100 | |
| $3.00 | +0.06 | +2.0% | $2.94 | $3.02 | $2.90 | 4,056,900 | |
| $2.94 | +0.06 | +2.1% | $2.95 | $2.97 | $2.86 | 3,074,000 | |
| $2.88 | -0.05 | -1.7% | $2.95 | $2.96 | $2.84 | 4,109,000 | |
| $2.93 | -0.07 | -2.3% | $3.05 | $3.20 | $2.92 | 6,045,800 | |
| $3.00 | -0.05 | -1.6% | $3.06 | $3.08 | $2.98 | 3,634,600 | |
| $3.05 | -0.03 | -1.0% | $3.09 | $3.10 | $2.99 | 5,260,500 | |
| $3.08 | +0.07 | +2.3% | $3.05 | $3.10 | $3.00 | 4,506,100 | |
| $3.01 | -0.02 | -0.7% | $3.03 | $3.05 | $2.95 | 3,977,300 | |
| $3.03 | -0.04 | -1.3% | $3.07 | $3.12 | $3.005 | 3,164,000 | |
| $3.07 | +0.07 | +2.3% | $3.01 | $3.08 | $2.95 | 8,163,000 | |
| $3.00 | +0.16 | +5.6% | $2.882 | $3.025 | $2.855 | 4,647,300 | |
| $2.84 | -0.14 | -4.7% | $2.99 | $2.99 | $2.78 | 3,892,100 | |
| $2.98 | +0.06 | +2.1% | $2.925 | $3.005 | $2.86 | 5,437,200 | |
| $2.92 | -0.07 | -2.3% | $3.00 | $3.10 | $2.895 | 8,295,600 | |
| $2.99 | +0.03 | +1.0% | $3.162 | $3.31 | $2.815 | 17,142,600 | |
| $2.96 | +0.19 | +6.9% | $2.80 | $3.03 | $2.80 | 4,059,600 | |
| $2.77 | -0.07 | -2.5% | $2.85 | $2.889 | $2.76 | 1,911,600 | |
| $2.84 | +0.03 | +1.1% | $2.79 | $2.84 | $2.75 | 1,625,800 | |
| $2.81 | -0.01 | -0.4% | $2.81 | $2.865 | $2.765 | 2,290,500 | |
| $2.82 | +0.01 | +0.4% | $2.81 | $2.87 | $2.78 | 1,984,600 | |
| $2.81 | -0.06 | -2.1% | $2.89 | $2.91 | $2.79 | 2,614,500 |
- Ticker
- BOATS:ALT
- Asset type
- Stock
- Sector
- Health care
- Industry
- Biotechnology
- Exchange
- BOATS
- Currency
- USD
What changed lately
Latest news release · Oct 19, 2026
Altimmune to Present New Data on Pemvidutide in Serious Liver Diseases at AASLD The Liver Meeting® 2026
Latest earnings call · Aug 12, 2026
Altimmune (NASDAQ:ALT) Q2 2026 Earnings Call
Replay and transcript
Latest deck · Aug 12, 2026
Q2 2026 Earnings Presentation
Earnings · 38 slides
Calls
Replays
Altimmune (NASDAQ:ALT) Q2 2026 Earnings Call
Wed, Aug 12, 2026 · 8:30 AM ET
Watch TranscriptAltimmune (NASDAQ:ALT) Q1 2026 Earnings Call
Wed, May 13, 2026 · 8:30 AM ET
Watch TranscriptAltimmune (NASDAQ:ALT) Q4 2025 Earnings Call
Thu, Mar 05, 2026 · 8:30 AM ET
Watch Transcript
Latest news
Altimmune to Present New Data on Pemvidutide in Serious Liver Diseases at AASLD The Liver Meeting® 2026
Oct 19, 2026
Closed $2.23 (+1.4%) on Oct 19, 2026
Altimmune to Participate in Stifel Cardiometabolic Forum
Sep 23, 2026
Closed $3.19 (-6.5%) on Sep 23, 2026
Altimmune to Participate in the Wells Fargo 21st Annual Healthcare Conference
Sep 3, 2026
Closed $3.23 (-1.5%) on Sep 3, 2026
Altimmune Announces Second Quarter 2026 Financial Results and Business Update
Aug 12, 2026
Closed $2.93 (-2.3%) on Aug 12, 2026
Altimmune to Report Second Quarter 2026 Financial Results and Provide Business Update on August 12, 2026
Aug 5, 2026
Closed $3.03 (-1.3%) on Aug 5, 2026
Altimmune Initiates PERFORMA Phase 3 Trial of Pemvidutide in Patients with MASH
Aug 3, 2026
Closed $3.00 (+5.6%) on Aug 3, 2026
Alterity Therapeutics Releases Appendix 4C – Q4 FY26 Quarterly Cash Flow Report & Corporate Update
Jul 30, 2026
Closed $2.98 (+2.1%) on Jul 30, 2026
Altimmune Announces Positive Topline Results from RECLAIM Phase 2 Trial of Pemvidutide in Alcohol Use Disorder
Jul 28, 2026
Closed $2.99 (+1.0%) on Jul 28, 2026
Decks
Q2 2026 Earnings Presentation
Earnings · 38 slides · Aug 12, 2026
Technical Presentation (July 2026)
Technical · 19 slides · Jul 28, 2026
Q4 2025 Earnings Presentation
Earnings · 32 slides · Mar 5, 2026
Technical Presentation (December 2025)
Technical · 20 slides · December 2025
Altimmune, Inc. on 6ix
- Sector
- Health care
- Industry
- Biotechnology
- News releases
- 30 in the last 12 months · 173 in all · newest Oct 19, 2026 · oldest 2019
- Calls
- 24 calls with a replay · 24 with a transcript · latest Aug 12, 2026
- Decks
- 27 decks · latest Aug 12, 2026
Where Altimmune, Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:ALT · Home listing | NASDAQ | United States | USD |
| gettex:3G0 | gettex | Germany | EUR |
| Lang & Schwarz:A2N5Z6 | Lang & Schwarz | Germany | EUR |
| LS Exchange:A2N5Z6 | LS Exchange | Germany | EUR |
| BMV:ALT1 | BMV | Mexico | MXN |
| BIVA:ALT1 | BIVA | Mexico | MXN |
| Tradegate:3G0 | Tradegate | Germany | EUR |
| BOATS:ALT · This page | BOATS | United States | USD |
| LSE:0A4C | LSE | United Kingdom | USD |
| Dusseldorf:3G0 | Dusseldorf | Germany | EUR |
| Frankfurt:3G0 | Frankfurt | Germany | EUR |
| Hamburg:3G0 | Hamburg | Germany | EUR |
| Munich:3G0 | Munich | Germany | EUR |
| Stuttgart:3G0 | Stuttgart | Germany | EUR |
Log in to ask 6ix AI your own questions about Altimmune, Inc.