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Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities.

Comparative Price Performance Over Time

Compare Price & Volume

Company	Current Price	50-Day Moving Average	52-Week Range	Market Cap	Beta	Avg. Volume	Today's Volume
AMPX Amprius Technologies	$2.63 -4.2%	$2.49	$0.61 ▼ $4.21	$309.56M	2.37	2.44 million shs	2.49 million shs
BLDP Ballard Power Systems	$1.42 +2.9%	$1.24	$1.00 ▼ $2.94	$425.76M	1.68	6.08 million shs	10.40 million shs
NPWR NET Power	$2.16 -9.9%	$1.99	$1.48 ▼ $14.28	$473.84M	0.51	776,989 shs	2.94 million shs
ZEO Zeo Energy	$2.78 -4.5%	$1.70	$1.05 ▼ $4.75	$136.95M	-0.06	1.17 million shs	171,725 shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
AMPX Amprius Technologies	+2.06%	-8.08%	+20.00%	+36.84%	+106.82%
BLDP Ballard Power Systems	+6.15%	-2.82%	+9.52%	+14.05%	-52.74%
NPWR NET Power	-12.68%	+36.54%	+32.78%	-62.84%	-75.31%
ZEO Zeo Energy	+2.46%	+84.18%	+70.18%	+74.25%	-36.04%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
AMPX Amprius Technologies	2.6474 of 5 stars	3.6	3.0	2.4	1.7	0.6
BLDP Ballard Power Systems	2.56 of 5 stars	3.9	2.0	2.6	0.0	1.3
NPWR NET Power	2.8762 of 5 stars	3.3	4.0	1.7	1.7	1.3
ZEO Zeo Energy	0.7538 of 5 stars	0.0	5.0	2.5	0.0	0.0

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
AMPX Amprius Technologies	3.14	Buy	$9.50	261.90% Upside
BLDP Ballard Power Systems	1.71	Reduce	$2.09	47.13% Upside
NPWR NET Power	2.67	Moderate Buy	$4.00	84.93% Upside
ZEO Zeo Energy	0.00	N/A	N/A	N/A

Current Analyst Ratings Breakdown

Latest ZEO, NPWR, BLDP, and AMPX Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target
5/12/2025	BLDP Ballard Power Systems	UBS Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Neutral ➝ Neutral	$2.00 ➝ $1.40
4/23/2025	NPWR NET Power	Barclays Subscribe to MarketBeat All Access for the recommendation accuracy rating	Downgrade	Equal Weight ➝ Underweight	$3.00 ➝ $2.00
4/17/2025	BLDP Ballard Power Systems	Citigroup Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Neutral ➝ Sell	$1.50 ➝ $1.00
4/14/2025	BLDP Ballard Power Systems	Susquehanna Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Neutral ➝ Neutral	$1.40 ➝ $1.30
3/21/2025	AMPX Amprius Technologies	Roth Mkm Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Buy ➝ Buy	$6.00 ➝ $6.00
3/21/2025	AMPX Amprius Technologies	Oppenheimer Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Outperform ➝ Outperform	$14.00 ➝ $15.00
3/21/2025	AMPX Amprius Technologies	B. Riley Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Buy ➝ Buy	$5.00 ➝ $6.00
3/21/2025	AMPX Amprius Technologies	HC Wainwright Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Buy ➝ Buy	$10.00 ➝ $10.00
3/18/2025	BLDP Ballard Power Systems	Citigroup Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Neutral	$2.00 ➝ $1.50
3/14/2025	BLDP Ballard Power Systems	UBS Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Set Price Target		$1.25
3/14/2025	BLDP Ballard Power Systems	National Bankshares Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Sector Perform	$2.60 ➝ $2.00

(Data available from 6/5/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Compare Sales & Book Value

Company	Annual Revenue	Price/Sales	Cashflow	Price/Cash	Book Value	Price/Book
AMPX Amprius Technologies	$32.52M	9.52	N/A	N/A	$0.67 per share	3.92
BLDP Ballard Power Systems	$70.67M	6.02	N/A	N/A	$3.32 per share	0.43
NPWR NET Power	$250K	1,895.37	N/A	N/A	$11.05 per share	0.20
ZEO Zeo Energy	$73.24M	1.87	$1.13 per share	2.47	($1.28) per share	-2.17

Compare Profitability & Earnings

Company	Net Income	EPS	Trailing P/E Ratio	Forward P/E Ratio	P/E Growth	Net Margins	Return on Equity (ROE)	Return on Assets (ROA)	Next Earnings Date
AMPX Amprius Technologies	-$36.78M	-$0.41	N/A	N/A	N/A	-245.92%	-71.39%	-40.04%	8/14/2025 (Estimated)
BLDP Ballard Power Systems	-$177.72M	-$1.02	N/A	N/A	N/A	-357.78%	-19.96%	-17.98%	8/11/2025 (Estimated)
NPWR NET Power	-$77.23M	-$2.06	N/A	N/A	N/A	N/A	6.23%	1.91%	8/11/2025 (Estimated)
ZEO Zeo Energy	-$3M	-$1.29	N/A	∞	N/A	-2.05%	-3.32%	-6.01%	N/A

Latest ZEO, NPWR, BLDP, and AMPX Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
5/27/2025	Q4 2024	ZEO Zeo Energy	N/A	-$0.04	N/A	-$0.04	N/A	$18.65 million
5/12/2025	Q1 2025	NPWR NET Power	-$0.11	-$1.55	-$1.44	-$1.55	N/A	N/A
5/8/2025	Q1 2025	AMPX Amprius Technologies	-$0.09	-$0.08	+$0.01	-$0.08	$8.52 million	$11.28 million
5/6/2025	Q1 2025	BLDP Ballard Power Systems	-$0.12	-$0.07	+$0.05	-$0.07	$16.82 million	$14.76 million
3/20/2025	Q4 2024	AMPX Amprius Technologies	-$0.11	-$0.10	+$0.01	-$0.10	$7.12 million	$10.63 million

Compare Dividends

Company	Annual Payout	Dividend Yield	3-Year Dividend Growth	Payout Ratio	Years of Consecutive Growth
AMPX Amprius Technologies	N/A	N/A	N/A	N/A	N/A
BLDP Ballard Power Systems	N/A	N/A	N/A	N/A	N/A
NPWR NET Power	N/A	N/A	N/A	N/A	N/A
ZEO Zeo Energy	N/A	N/A	N/A	N/A	N/A

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
AMPX Amprius Technologies	N/A	3.46	3.25
BLDP Ballard Power Systems	0.03	9.01	8.19
NPWR NET Power	N/A	20.96	20.96
ZEO Zeo Energy	N/A	1.56	1.51

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
AMPX Amprius Technologies	5.04%
BLDP Ballard Power Systems	28.02%
NPWR NET Power	53.62%
ZEO Zeo Energy	N/A

Insider Ownership

Company	Insider Ownership
AMPX Amprius Technologies	12.90%
BLDP Ballard Power Systems	0.16%
NPWR NET Power	2.71%
ZEO Zeo Energy	4.23%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
AMPX Amprius Technologies	50	117.93 million	92.29 million	Optionable
BLDP Ballard Power Systems	1,370	299.83 million	298.96 million	Optionable
NPWR NET Power	24	219.07 million	209.58 million	Optionable
ZEO Zeo Energy	N/A	49.26 million	47.18 million	N/A

ZEO, NPWR, BLDP, and AMPX Headlines

Recent News About These Companies

INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Zeo Energy Corp. - ZEO

June 5 at 9:00 AM | accessnewswire.com

Ongoing Zeo Energy Corp. (ZEO) Investigation: Protect Your Rights - Contact Levi & Korsinsky

June 4 at 1:00 PM | accessnewswire.com

Zeo Energy (NASDAQ:ZEO) and ESS Tech (NYSE:GWH) Critical Review

June 4 at 1:37 AM | americanbankingnews.com

Short Interest in Zeo Energy Corp. (NASDAQ:ZEO) Drops By 16.0%

June 3 at 3:59 AM | marketbeat.com

HELIOGEN INVESTOR ALERT by the Former Attorney General of Louisiana: Kahn Swick & Foti, LLC Investigates Adequacy of Price and Process in Proposed Sale of Heliogen, Inc. - HLGN

May 31, 2025 | businesswire.com

Zeo Energy to merge with Heliogen to enhance clean energy offerings

May 30, 2025 | power-technology.com

Zeo Energy Shares Slide After Receiving Deficiency Notice From Nasdaq

May 29, 2025 | marketwatch.com

Zeo Energy Corp. Receives Nasdaq Notice on Late Filing of its Form 10-Q

May 29, 2025 | globenewswire.com

Residential solar installer Zeo to acquire thermal storage specialist Heliogen

May 29, 2025 | pv-magazine-usa.com

Zeo Energy Shares Soar After Deal to Acquire Heliogen for $10M in Stock

May 29, 2025 | marketwatch.com

Zeo Energy Corp. to Acquire Heliogen, Inc., Expected to Create a Clean Energy Platform for Residential, Commercial, and Utility Markets

May 29, 2025 | globenewswire.com

Zeo Energy (NASDAQ:ZEO) Announces Earnings Results

May 28, 2025 | marketbeat.com

Zeo Energy Corp. Reports Fourth Quarter and Full Year 2024 Financial Results

May 27, 2025 | globenewswire.com

Zeo Energy receives Nasdaq notice for late filing of its form 10-K

April 21, 2025 | msn.com

The Power Rangers' Most Powerful Weapon Disappeared After 1 Year (and Fans Still Don't Know)

April 18, 2025 | msn.com

Zeo Energy Corp. Receives Nasdaq Notice on Late Filing of its Form 10-K

April 18, 2025 | markets.businessinsider.com

Zeo Energy Faces Nasdaq Non-Compliance Notice

April 18, 2025 | tipranks.com

Zeo Energy Corp. Receives Nasdaq Notice for Non-Compliance with Filing Requirements

April 18, 2025 | quiverquant.com

Zeo Energy Corp. Receives Nasdaq Notice on Late Filing of its Form 10-K

April 18, 2025 | investing.com

Zeo Energy Corp. Receives Nasdaq Notice on Late Filing of its Form 10-K

April 18, 2025 | globenewswire.com

Zeo Energy Corp. (ZEO)

April 4, 2025 | finance.yahoo.com

New MarketBeat Followers Over Time

Media Sentiment Over Time

ZEO, NPWR, BLDP, and AMPX Company Descriptions

Amprius Technologies NYSE:AMPX

$2.62 -0.12 (-4.20%)

Closing price 03:59 PM Eastern

Extended Trading

$2.63 +0.00 (+0.19%)

As of 07:55 PM Eastern

Amprius Technologies, Inc. produces and sells ultra-high energy density lithium-ion batteries for mobility applications. The company offers silicon nanowire anode batteries. Its batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. The company was incorporated in 2008 and is headquartered in Fremont, California.

Ballard Power Systems NASDAQ:BLDP

$1.42 +0.04 (+2.90%)

Closing price 04:00 PM Eastern

Extended Trading

$1.44 +0.02 (+1.06%)

As of 07:37 PM Eastern

Ballard Power Systems Inc. engages in the design, development, manufacture, sale, and service of proton exchange membrane (PEM) fuel cell products. The company offers its products for power product comprising for bus, truck, rail, marine, stationary, and emerging market, such as material handling, off-road, and other applications. It also engages in the delivery of services, including technology solutions, after sales services, and training; and provision of engineering services, product and systems integration services, and related technology transfer for a variety of PEM fuel cell applications. It operates in the United States, Germany, Canada, China, Poland, the United Kingdom, the Netherlands, France, Denmark, Belgium, India, Taiwan, Spain, Norway, Australia, Japan, and internationally. The company has a strategic alliance with Linamar Corporation for the co-development and sale of fuel cell powertrains and components for class 1 and 2 vehicles in North America and Europe. Ballard Power Systems Inc. was founded in 1979 and is headquartered in Burnaby, Canada.

NET Power NYSE:NPWR

$2.16 -0.24 (-9.88%)

Closing price 03:59 PM Eastern

Extended Trading

$2.18 +0.01 (+0.60%)

As of 07:47 PM Eastern

NET Power Inc. operates as a clean energy technology company. The company invents, develops, and licenses clean power generation technology. NET Power Inc. was founded in 2010 and is headquartered in Durham, North Carolina.

Zeo Energy NASDAQ:ZEO

$2.78 -0.13 (-4.47%)

Closing price 04:00 PM Eastern

Extended Trading

$2.76 -0.02 (-0.68%)

As of 07:39 PM Eastern

Zeo Energy Corp. provides residential solar energy systems, other energy efficient equipment, and related services in Florida, Texas, Arkansas, and Missouri, the United States. The company is involved in the selling and installing of residential solar energy systems that homeowners use electricity required to power their homes. Its residential solar energy systems comprise solar panels, inverters, and racking systems. It also offers insulation services, such as adding insulation to a home's attic or walls; energy efficiency equipment, including hybrid electric water heaters and swimming pool pumps; battery-based energy storage systems; and roofing services. Zeo Energy Corp. was founded in 2005 and is headquartered in New Port Richey, Florida.

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Comparative Price Performance Over Time