Altimmune, Inc.
ALTNASDAQHealthcare● Active
$2.76
+$0.05(+1.67%)
Market Cap$243166513
P/E Ratio—
52W High$7.73
52W Low$2.56
Altimmune, Inc.（ALT）股票价格历史
关键价位里程碑、OHLCV 表、年度回报、同业与 What If。
alt · 日线历史（复权）· FMP · 截至 2026年6月8日
5-Year High5Y
$23.49
Sep 2, 2022
-88.3% from here
5-Year Low5Y
$2.09
Oct 23, 2023
+31.0% from low
IPO Priceadj.
$133.20
May 26, 2017
-97.9% since IPO
1 Year Ago
$5.95
Jun 9, 2025
-54.0% in 1Y
5 Years Ago
$13.94
Jun 8, 2021
-80.4% in 5Y
10 Years Ago
—
—
+0.0% in 10Y
Historical Price Data · ALT
| Date↓ | Open↕ | High↕ | Low↕ | Close↕ | Close (Unadj.) ⓘ | Volume↕ | Change %↕ |
|---|---|---|---|---|---|---|---|
| Jun 8, 2026 | $2.75 | $2.78 | $2.71 | $2.75 | $2.75 | 597K | -0.18% |
| Jun 5, 2026 | $2.92 | $2.92 | $2.69 | $2.71 | $2.71 | 3.1M | -7.19% |
| Jun 4, 2026 | $2.84 | $3.00 | $2.84 | $2.92 | $2.92 | 2.8M | +2.82% |
| Jun 3, 2026 | $2.93 | $2.95 | $2.84 | $2.87 | $2.87 | 3.0M | -2.05% |
| Jun 2, 2026 | $2.99 | $3.00 | $2.90 | $2.90 | $2.90 | 3.1M | -3.01% |
| Jun 1, 2026 | $3.02 | $3.05 | $2.93 | $3.01 | $3.01 | 2.3M | -0.33% |
| May 29, 2026 | $3.07 | $3.10 | $3.02 | $3.05 | $3.05 | 2.6M | -0.65% |
| May 28, 2026 | $2.98 | $3.13 | $2.98 | $3.07 | $3.07 | 3.9M | +3.02% |
| May 27, 2026 | $2.99 | $3.03 | $2.96 | $2.98 | $2.98 | 2.6M | -0.33% |
| May 26, 2026 | $2.90 | $3.00 | $2.89 | $2.93 | $2.93 | 2.2M | +1.03% |
| May 22, 2026 | $2.94 | $3.00 | $2.88 | $2.90 | $2.90 | 2.0M | -1.36% |
| May 21, 2026 | $2.80 | $2.93 | $2.77 | $2.93 | $2.93 | 3.1M | +4.64% |
| May 20, 2026 | $2.75 | $2.85 | $2.73 | $2.82 | $2.82 | 2.2M | +2.55% |
| May 19, 2026 | $2.80 | $2.84 | $2.73 | $2.74 | $2.74 | 2.5M | -2.14% |
| May 18, 2026 | $2.85 | $2.89 | $2.72 | $2.80 | $2.80 | 3.5M | -1.75% |
| May 15, 2026 | $2.90 | $2.94 | $2.81 | $2.85 | $2.85 | 2.3M | -1.72% |
| May 14, 2026 | $3.01 | $3.03 | $2.90 | $2.92 | $2.92 | 2.4M | -2.99% |
| May 13, 2026 | $2.98 | $3.04 | $2.89 | $3.02 | $3.02 | 3.6M | +1.34% |
| May 12, 2026 | $3.08 | $3.11 | $3.01 | $3.08 | $3.08 | 2.4M | +0.00% |
| May 11, 2026 | $3.09 | $3.22 | $3.06 | $3.09 | $3.09 | 2.9M | +0.00% |
Showing 1–20 of 1,255 records
Annual Stock Price Performance · ALT
Jan 1 → Dec 31 · 6 years2026-24.2%$3.62 → $2.75
-24.2%
2025-50.6%$7.31 → $3.61
-50.6%
2024-35.2%$11.13 → $7.21
-35.2%
2023-32.0%$16.55 → $11.25
-32.0%
2022+75.4%$9.38 → $16.45
+75.4%
2021-34.6%$14.00 → $9.16
-34.6%
Best Year2022 · +75.4%
Worst Year2025 · -50.6%
Positive Years1 / 6
Avg Annual Return-16.9%
6Y Total Return-80.4%
6Y CAGR~-23.8% / yr
Similar Companies in Healthcare
View sector
Eli Lilly and Company
LLY.TO
$41.84+0.00%
Mkt Cap $1.44T
Eli Lilly and Company
LLY
$1,164.34+0.00%
Mkt Cap $1.10T
Johnson & Johnson
JNJ
$231.96+0.00%
Mkt Cap $558.4B
AbbVie Inc.
ABBV
$223.96+0.00%
Mkt Cap $395.7B
UnitedHealth Group Incorporated
UNH
$401.40+0.00%
Mkt Cap $364.5B
Merck & Co., Inc.
MRK
$121.12+0.00%
Mkt Cap $299.1B
AstraZeneca PLC
AZN
$183.91+0.00%
Mkt Cap $285.2B
Novartis AG
NVS
$147.08+0.00%
Mkt Cap $280.6B
Amgen Inc.
AMGN
$346.53+0.00%
Mkt Cap $187.0B
Novo Nordisk A/S
NVO
$41.74+0.00%
Mkt Cap $185.5BWhat If You Invested in ALT?
If you invested $1,000 in ALT at IPO (split-adj.) — how much would it be worth today?
INVESTED$1,000
→TODAY WORTH$21
Total Return-97.9%
CAGR~-35.1% / yr
Profit$-979
Based on May 26, 2017 · $133.20Split & dividend adjustedNo fees assumed
Want a detailed breakdown?
Try the full calculator with custom amounts, dates & DRIP.
Full Calculator →Try the full calculator with custom amounts, dates & DRIP.
关于价格历史与 OHLCV 数据
Altimmune, Inc.（ALT）所属板块为 Healthcare，主要交易场所为 NASDAQ。本页行情快照中的最近价为 $2.74。下方的图表与 OHLCV 表可查看历史开高低收与成交量。
年度表现条、同行业相似公司，以及 What If 假设计算器，便于在同一页面对比中长期收益。价格在注明处为拆股等调整后的日线数据；本页内容仅供信息参考，不构成投资建议。
数据：FMP 日线收盘 · 注明处为拆股等调整价 · 不构成投资建议
常见问题
ALT 价格历史 · 5 个问题日线数据来自市场数据商（Financial Modeling Prep）。拆股等公司行为可能体现在复权序列中；重要决策请以券商或官方披露为准。
ALT 历史股价FMP 日线复权 OHLCV