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CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Alto Ingredients, Inc. stock logo
ALTO
Alto Ingredients
$1.04
-1.9%
$1.14
$0.76
$2.05
$81.21M0.61226,821 shs259,264 shs
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
$0.37
-7.3%
$0.34
$0.14
$2.74
$93.64M1.782.64 million shs838,020 shs
Solarwindow Technologies, Inc. stock logo
WNDW
Solarwindow Technologies
$0.55
+10.0%
$0.38
$0.05
$1.08
$26.60M-7.2622,692 shs10,594 shs
Zentek Ltd. stock logo
ZTEK
Zentek
$0.81
-3.8%
$1.08
$0.50
$1.84
$88.47M0.4729,936 shs42,674 shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Alto Ingredients, Inc. stock logo
ALTO
Alto Ingredients
+1.92%+1.92%-15.87%+22.27%-27.40%
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
+15.54%+2.00%+39.21%+55.75%-69.65%
Solarwindow Technologies, Inc. stock logo
WNDW
Solarwindow Technologies
0.00%-7.41%+35.14%+92.09%+92.31%
Zentek Ltd. stock logo
ZTEK
Zentek
-3.44%+0.46%-11.99%-46.16%-11.06%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
Alto Ingredients, Inc. stock logo
ALTO
Alto Ingredients
3.237 of 5 stars
3.55.00.00.01.90.81.3
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
1.6721 of 5 stars
3.03.00.00.01.80.00.6
Solarwindow Technologies, Inc. stock logo
WNDW
Solarwindow Technologies
N/AN/AN/AN/AN/AN/AN/AN/A
Zentek Ltd. stock logo
ZTEK
Zentek
0.2888 of 5 stars
0.03.00.00.02.40.00.0
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Alto Ingredients, Inc. stock logo
ALTO
Alto Ingredients
3.00
Buy$5.50428.85% Upside
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
2.00
Hold$2.00434.47% Upside
Solarwindow Technologies, Inc. stock logo
WNDW
Solarwindow Technologies
0.00
N/AN/AN/A
Zentek Ltd. stock logo
ZTEK
Zentek
0.00
N/AN/AN/A

Current Analyst Ratings Breakdown

Latest WNDW, ZTEK, LNZA, and ALTO Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
5/19/2025
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
Roth Capital
Subscribe to MarketBeat All Access for the recommendation accuracy rating
DowngradeStrong-Buy ➝ Hold
(Data available from 8/14/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Alto Ingredients, Inc. stock logo
ALTO
Alto Ingredients
$965.26M0.08N/AN/A$2.71 per share0.38
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
$49.59M1.75N/AN/A$0.07 per share5.35
Solarwindow Technologies, Inc. stock logo
WNDW
Solarwindow Technologies
N/AN/AN/AN/AN/AN/A
Zentek Ltd. stock logo
ZTEK
Zentek
$1.22M69.74N/AN/A$0.10 per share8.13
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Alto Ingredients, Inc. stock logo
ALTO
Alto Ingredients
-$58.98M-$0.92N/A3.06N/A-7.16%-18.78%-10.60%N/A
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
-$137.73M-$0.67N/AN/AN/A-269.20%-562.88%-72.17%8/14/2025 (Estimated)
Solarwindow Technologies, Inc. stock logo
WNDW
Solarwindow Technologies
-$3.06MN/A0.00N/AN/A-61.17%-56.00%N/A
Zentek Ltd. stock logo
ZTEK
Zentek
-$7.22M-$0.06N/AN/A-1,186.72%-58.87%-50.22%8/18/2025 (Estimated)

Latest WNDW, ZTEK, LNZA, and ALTO Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
8/14/2025Q2 2025
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
-$0.15N/AN/AN/A$9.00 millionN/A
8/14/2025Q1 2026
Zentek Ltd. stock logo
ZTEK
Zentek
N/A-$0.01N/A-$0.01N/AN/A
8/6/2025Q2 2025
Alto Ingredients, Inc. stock logo
ALTO
Alto Ingredients
-$0.18-$0.15+$0.03-$0.15$223.61 million$218.44 million
7/11/2025Q3 2025
Solarwindow Technologies, Inc. stock logo
WNDW
Solarwindow Technologies
N/A-$0.01N/A-$0.01N/AN/A
6/26/2025Q4 2025
Zentek Ltd. stock logo
ZTEK
Zentek
N/A-$0.01N/A-$0.01N/A$0.57 million
5/19/2025Q1 2025
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
-$0.11-$0.10+$0.01-$0.10$30.58 million$9.48 million
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
Alto Ingredients, Inc. stock logo
ALTO
Alto Ingredients
N/AN/AN/AN/AN/A
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
N/AN/AN/AN/AN/A
Solarwindow Technologies, Inc. stock logo
WNDW
Solarwindow Technologies
N/AN/AN/AN/AN/A
Zentek Ltd. stock logo
ZTEK
Zentek
N/AN/AN/AN/AN/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Alto Ingredients, Inc. stock logo
ALTO
Alto Ingredients
0.57
3.52
1.94
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
6.08
2.17
2.17
Solarwindow Technologies, Inc. stock logo
WNDW
Solarwindow Technologies
N/A
8.72
8.72
Zentek Ltd. stock logo
ZTEK
Zentek
0.01
1.25
1.00

Institutional Ownership

CompanyInstitutional Ownership
Alto Ingredients, Inc. stock logo
ALTO
Alto Ingredients
42.44%
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
17.76%
Solarwindow Technologies, Inc. stock logo
WNDW
Solarwindow Technologies
N/A
Zentek Ltd. stock logo
ZTEK
Zentek
0.77%

Insider Ownership

CompanyInsider Ownership
Alto Ingredients, Inc. stock logo
ALTO
Alto Ingredients
5.26%
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
4.50%
Solarwindow Technologies, Inc. stock logo
WNDW
Solarwindow Technologies
67.28%
Zentek Ltd. stock logo
ZTEK
Zentek
N/A
CompanyEmployeesShares OutstandingFree FloatOptionable
Alto Ingredients, Inc. stock logo
ALTO
Alto Ingredients
42076.61 million72.58 millionOptionable
LanzaTech Global, Inc. stock logo
LNZA
LanzaTech Global
3231.96 million221.53 millionOptionable
Solarwindow Technologies, Inc. stock logo
WNDW
Solarwindow Technologies
753.20 million17.41 millionNot Optionable
Zentek Ltd. stock logo
ZTEK
Zentek
24104.71 millionN/ANot Optionable

Recent News About These Companies

Zentek (NASDAQ:ZTEK) Trading 1.5% Higher - Time to Buy?
Zentek Ltd. (NASDAQ:ZTEK) Short Interest Update
Zentek Announces Management Transition - Morningstar
Zentek Announces Management Transition - Seeking Alpha
Zentek Announces Management Transition
Zentek completes first phase of Innovative Solutions Canada contract
Zentek Announces Sale of Corporate Court Office
Zentek completes testing of ZenARMOR corrosion prevention technology

New MarketBeat Followers Over Time

Media Sentiment Over Time

Alto Ingredients stock logo

Alto Ingredients NASDAQ:ALTO

$1.04 -0.02 (-1.89%)
Closing price 04:00 PM Eastern
Extended Trading
$1.01 -0.03 (-2.40%)
As of 05:30 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.

Alto Ingredients, Inc. produces, distributes, and markets specialty alcohols, renewable fuel, and essential ingredients in the United States. The company operates in three segments: Marketing and Distribution, Pekin Campus Production, and Western Production. It offers specialty alcohols used in mouthwash, cosmetics, pharmaceuticals, hand sanitizers, disinfectants, and cleaners for health, home, and beauty markets; grain neutral spirits used in alcoholic beverages and vinegar, as well as corn germ used in corn oils in the food and beverage markets; alcohols and other products for paint applications and fertilizers in the industrial and agriculture markets; and essential ingredients include dried yeast, corn protein meal, corn protein feed, distiller's grains, and liquid feed for commercial animal feed and pet food applications, as well as yeast for human consumption. The company also provides fuel-grade ethanol used as transportation fuel and distillers corn oil used as a biodiesel feedstock, as well as fuel-grade ethanol produced by third parties. In addition, it offers transportation, storage, and delivery services through third-party service providers. The company sells ethanol to integrated oil companies and gasoline marketers; essential ingredient feed products to dairies and feedlots; and corn oil to poultry, renewable diesel, and biodiesel customers. It operates alcohol production facilities. The company was formerly known as Pacific Ethanol, Inc. and changed its name to Alto Ingredients, Inc. in January 2021. Alto Ingredients, Inc. was founded in 2003 and is headquartered in Pekin, Illinois.

LanzaTech Global stock logo

LanzaTech Global NASDAQ:LNZA

$0.37 -0.03 (-7.31%)
Closing price 04:00 PM Eastern
Extended Trading
$0.37 0.00 (-0.32%)
As of 07:43 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.

LanzaTech Global, Inc. operates as a nature-based carbon refining company in the United States and internationally. The company transforms waste carbon into the chemical building blocks for consumer goods, such as sustainable fuels, fabrics, and packaging. It is also developing biocatalysts and processes to produce a suite of additional products utilizing novel biocatalysts, including acetone and isopropanol (IPA) and industrial solvents used in various applications, including production of polymers from IPA. LanzaTech Global, Inc. was founded in 2005 and is headquartered in Skokie, Illinois.

Solarwindow Technologies stock logo

Solarwindow Technologies OTCMKTS:WNDW

$0.55 +0.05 (+10.00%)
As of 03:59 PM Eastern

SolarWindow Technologies, Inc. engages in the development of transparent electricity-generating coatings and methods under LiquidElectricity Coatings brand. The company's coatings generate electricity by harvesting light energy from natural sun, artificial light, and low, shaded, or reflected light conditions, which is applied to rigid and flexible glass, and plastic surfaces to transform ordinary surfaces into organic photovoltaic devices. The company was incorporated in 1998 and is based in Scottsdale, Arizona.

Zentek stock logo

Zentek NASDAQ:ZTEK

$0.81 -0.03 (-3.83%)
Closing price 03:53 PM Eastern
Extended Trading
$0.85 +0.04 (+4.86%)
As of 07:51 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.

Zentek Ltd., together with its subsidiaries, engages in the research and development of graphene and related nanomaterials in Canada. The company develops graphene-based antimicrobial coating under the ZenGUARD brand, surgical masks, HVAC filters, personal protective equipment, rapid detection point of care diagnostics tests, and pharmaceutical products based on graphene-based compounds. It is also developing graphene oxide synthesis and graphene synthesis. In addition, the company owns 100% interest in the Albany graphite project located in Northern Ontario, Canada. The company was formerly known as ZEN Graphene Solutions Ltd. and changed its name to Zentek Ltd. in October 2021. Zentek Ltd. was incorporated in 2008 and is headquartered in Guelph, Canada.