Altimmune, Inc. (ALT)

Price$3.42Cached quote
ALTNasdaq
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Financial charts

Revenue

Net income

Free cash flow

Total cash / debt

CashTotal debt

Financial statements

16 annual periodsNewest to oldest
2025202420232022202120202019201820172016201520142013201220112010
Revenue$41,000$20,000$426,000−$68,000$4.4M$8.2M$5.8M$10.3M$10.7M$3.2M$10.6M$10.2M$17.9M$25.2M$24.3M$21.0M
Research & development$66.4M$82.2M$65.8M$70.5M$74.5M$49.8M$17.8M$18.5M$18.4M$7.2M$5.1M$9.3M$15.3M$19.5M$21.2M$20.9M
Operating expenses$94.5M$103.2M$96.4M$87.7M$101.3M$63.0M$27.3M$53.2M$62.8M$14.3M$14.0M$20.4M$28.8M$31.4M$36.0M$44.5M
Operating income−$94.5M−$103.2M−$95.9M−$87.7M−$96.9M−$54.8M−$21.5M−$42.8M−$52.0M−$11.1M−$3.4M−$10.2M−$10.8M−$6.3M−$11.7M−$23.6M
Operating margin−230,460.98%−515,860.00%−22,518.54%—−2,197.42%−669.50%−370.00%−414.61%−484.67%−342.74%−31.98%−100.01%−60.51%−24.89%−48.32%−112.19%
EBITDA−$94.4M−$102.9M−$95.5M−$87.2M−$96.4M−$54.4M−$21.1M−$42.6M−$52.0M−$11.0M−$3.3M−$10.0M−$10.7M−$6.0M−$11.3M−$22.5M
EBITDA margin−230,187.80%−514,670.00%−22,406.57%—−2,184.92%−664.26%−363.32%−412.50%−483.89%−340.79%−30.65%−98.54%−59.49%−23.68%−46.42%−107.33%
Net income−$88.1M−$95.1M−$88.4M−$84.7M−$97.1M−$49.0M−$20.5M−$39.2M−$46.4M−$11.1M−$3.4M−$10.0M−$11.7M−$4.9M−$3.8M−$34.8M
Net profit margin−214,860.98%−475,295.00%−20,762.21%—−2,201.41%−599.20%−353.71%−379.16%−432.33%−342.59%−32.34%−97.70%−65.42%−19.54%−15.65%−166.00%
Basic EPSper basic share-$1.00-$1.34-$1.66-$1.81-$2.35-$1.91-$1.60-$15.16-$118.91$99.00-$1.67-$5.67-$7.67-$3.33-$2.67-$36.00
Diluted EPSper diluted share-$1.00-$1.34-$1.66-$1.81-$2.35-$1.91-$1.60-$15.16-$118.91$98.33-$1.67-$5.67-$7.67-$3.33-$2.67-$36.00

Owners

Reported shareholders

Reference date Jun 30, 2026
BlackRock, Inc. · 10.48% of listed sharesDeep Track Capital, LP · 9.90% of listed sharesSTATE STREET CORP · 6.22% of listed sharesTCG Crossover Management, LLC · 5.14% of listed sharesVANGUARD CAPITAL MANAGEMENT LLC · 4.21% of listed sharesVANGUARD PORTFOLIO MANAGEMENT LLC · 3.77% of listed sharesMARSHALL WACE, LLP · 3.52% of listed sharesVIKING GLOBAL INVESTORS LP · 3.45% of listed sharesRA CAPITAL MANAGEMENT, L.P. · 3.34% of listed sharesGEODE CAPITAL MANAGEMENT, LLC · 2.58% of listed sharesWoodline Partners LP · 1.75% of listed sharesMILLENNIUM MANAGEMENT LLC · 1.70% of listed sharesNantahala Capital Management, LLC · 1.54% of listed sharesTrails Edge Capital Partners, LP · 1.37% of listed sharesNuveen, LLC · 1.24% of listed sharesTWO SIGMA INVESTMENTS, LP · 1.22% of listed sharesGOLDMAN SACHS GROUP INC · 1.14% of listed sharesGREAT POINT PARTNERS LLC · 0.90% of listed sharesNORTHERN TRUST CORP · 0.82% of listed sharesWeiss Asset Management LP · 0.79% of listed shares
10.48%of listed shares
BlackRock, Inc.20.39M shares · Jun 30, 2026
View holders
Top 20 reported holders of ALT
Holder% owned
BlackRock, Inc.
10.48%20.39M shares
Deep Track Capital, LP
9.90%19.25M shares
STATE STREET CORP
6.22%12.1M shares
TCG Crossover Management, LLC
5.14%10M shares
VANGUARD CAPITAL MANAGEMENT LLC
4.21%8.18M shares
VANGUARD PORTFOLIO MANAGEMENT LLC
3.77%7.33M shares
MARSHALL WACE, LLP
3.52%6.84M shares
VIKING GLOBAL INVESTORS LP
3.45%6.7M shares
RA CAPITAL MANAGEMENT, L.P.
3.34%6.5M shares
GEODE CAPITAL MANAGEMENT, LLC
2.58%5.01M shares
Woodline Partners LP
1.75%3.4M shares
MILLENNIUM MANAGEMENT LLC
1.70%3.31M shares
Nantahala Capital Management, LLC
1.54%3M shares
Trails Edge Capital Partners, LP
1.37%2.66M shares
Nuveen, LLC
1.24%2.41M shares
TWO SIGMA INVESTMENTS, LP
1.22%2.38M shares
GOLDMAN SACHS GROUP INC
1.14%2.21M shares
GREAT POINT PARTNERS LLC
0.90%1.74M shares
NORTHERN TRUST CORP
0.82%1.6M shares
Weiss Asset Management LP
0.79%1.53M shares

Percentages use 194.47M shares of this listed class outstanding on Jun 30, 2026.

Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.

Source: SEC Form 13F ↗Updated Sep 29, 2026 · Quarterly data

Insider buys & sells

Jul 1, 2024–Jun 30, 2026
Buys12$383.6K disclosed value
Sells (SEC code S)2$110.5K disclosed value
14 recent transactions
TransactionInsiderTypeSharesPriceValueOwned after
Apr 6, 2026Form 4GILL JOHNDirectorBuyCommon Stock, par value $0.00019.2K$3.41$31.4K21.7K
Apr 1, 2026Form 4Durso Jerome BenedictPresident and CEOBuyCommon Stock, par value $0.000115.0K$3.14$47.1K47.5K
Apr 1, 2026Form 4WEAVER GREGORY LChief Financial OfficerBuyCommon Stock, par value $0.000110.0K$3.15$31.5K38.1K
Mar 6, 2026Form 4Durso Jerome BenedictPresident and CEOBuyCommon Stock, par value $0.000120.0K$3.54$70.8K32.5K
Mar 6, 2026Form 4WEAVER GREGORY LChief Financial OfficerBuyCommon Stock, par value $0.00015.0K$3.54$17.7K28.1K

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