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Side-by-side financial comparison of Ally Financial Inc. (ALLY) and PLUG POWER INC (PLUG). Click either name above to swap in a different company.

Ally Financial Inc. is the larger business by last-quarter revenue ($301.0M vs $225.2M, roughly 1.3× PLUG POWER INC). Ally Financial Inc. runs the higher net margin — 108.6% vs -375.6%, a 484.3% gap on every dollar of revenue. On growth, PLUG POWER INC posted the faster year-over-year revenue change (17.6% vs -3.2%). Over the past eight quarters, PLUG POWER INC's revenue compounded faster (36.8% CAGR vs 11.1%).

Ally Financial Inc. is an American bank holding company incorporated in Delaware and headquartered at Ally Detroit Center in Detroit, Michigan. The company provides financial services including car finance, online banking via a direct bank, corporate lending, vehicle insurance, mortgage loans, and other related financing services such as installment sale and lease agreements.

Plug Power Inc. is an American company engaged in the development of hydrogen fuel cell and electrolyzer systems that replace conventional batteries in equipment and vehicles powered by electricity. The company is headquartered in Slingerlands, New York, and has facilities in Spokane, Washington, and Rochester, New York.

ALLY vs PLUG — Head-to-Head

Bigger by revenue
ALLY
ALLY
1.3× larger
ALLY
$301.0M
$225.2M
PLUG
Growing faster (revenue YoY)
PLUG
PLUG
+20.8% gap
PLUG
17.6%
-3.2%
ALLY
Higher net margin
ALLY
ALLY
484.3% more per $
ALLY
108.6%
-375.6%
PLUG
Faster 2-yr revenue CAGR
PLUG
PLUG
Annualised
PLUG
36.8%
11.1%
ALLY

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ALLY
ALLY
PLUG
PLUG
Revenue
$301.0M
$225.2M
Net Profit
$327.0M
$-846.0M
Gross Margin
2.4%
Operating Margin
-338.9%
Net Margin
108.6%
-375.6%
Revenue YoY
-3.2%
17.6%
Net Profit YoY
333.6%
36.7%
EPS (diluted)
$0.97
$-0.70

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ALLY
ALLY
PLUG
PLUG
Q4 25
$301.0M
$225.2M
Q3 25
$308.0M
$177.1M
Q2 25
$312.0M
$174.0M
Q1 25
$323.0M
$133.7M
Q4 24
$311.0M
$191.5M
Q3 24
$319.0M
$173.7M
Q2 24
$324.0M
$143.3M
Q1 24
$244.0M
$120.3M
Net Profit
ALLY
ALLY
PLUG
PLUG
Q4 25
$327.0M
$-846.0M
Q3 25
$398.0M
$-361.9M
Q2 25
$352.0M
$-227.1M
Q1 25
$-225.0M
$-196.7M
Q4 24
$-140.0M
$-1.3B
Q3 24
$357.0M
$-211.2M
Q2 24
$294.0M
$-262.3M
Q1 24
$157.0M
$-295.8M
Gross Margin
ALLY
ALLY
PLUG
PLUG
Q4 25
2.4%
Q3 25
-67.9%
Q2 25
-30.7%
Q1 25
-55.3%
Q4 24
-122.5%
Q3 24
-57.6%
Q2 24
-91.6%
Q1 24
-132.3%
Operating Margin
ALLY
ALLY
PLUG
PLUG
Q4 25
-338.9%
Q3 25
-197.0%
Q2 25
-101.7%
Q1 25
-87.9%
-133.5%
Q4 24
56.3%
-678.7%
Q3 24
73.0%
-124.4%
Q2 24
79.3%
-170.7%
Q1 24
70.1%
-215.7%
Net Margin
ALLY
ALLY
PLUG
PLUG
Q4 25
108.6%
-375.6%
Q3 25
129.2%
-204.4%
Q2 25
112.8%
-130.5%
Q1 25
-69.7%
-147.1%
Q4 24
-45.0%
-697.5%
Q3 24
111.9%
-121.5%
Q2 24
90.7%
-183.0%
Q1 24
64.3%
-245.9%
EPS (diluted)
ALLY
ALLY
PLUG
PLUG
Q4 25
$0.97
$-0.70
Q3 25
$1.18
$-0.31
Q2 25
$1.04
$-0.20
Q1 25
$-0.82
$-0.21
Q4 24
$-0.54
$-1.61
Q3 24
$1.06
$-0.25
Q2 24
$0.86
$-0.36
Q1 24
$0.42
$-0.46

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ALLY
ALLY
PLUG
PLUG
Cash + ST InvestmentsLiquidity on hand
$10.0B
$368.5M
Total DebtLower is stronger
$17.1B
Stockholders' EquityBook value
$15.5B
$978.1M
Total Assets
$196.0B
$2.6B
Debt / EquityLower = less leverage
1.10×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALLY
ALLY
PLUG
PLUG
Q4 25
$10.0B
$368.5M
Q3 25
$10.2B
$165.9M
Q2 25
$10.6B
$140.7M
Q1 25
$10.4B
$295.8M
Q4 24
$10.3B
$205.7M
Q3 24
$8.6B
$93.9M
Q2 24
$7.4B
$62.4M
Q1 24
$8.2B
$172.9M
Total Debt
ALLY
ALLY
PLUG
PLUG
Q4 25
$17.1B
Q3 25
$16.7B
Q2 25
$15.9B
Q1 25
$16.5B
Q4 24
$17.5B
Q3 24
$16.8B
$3.9M
Q2 24
$16.0B
$3.7M
Q1 24
$17.0B
$3.8M
Stockholders' Equity
ALLY
ALLY
PLUG
PLUG
Q4 25
$15.5B
$978.1M
Q3 25
$15.1B
$1.4B
Q2 25
$14.5B
$1.7B
Q1 25
$14.2B
$1.9B
Q4 24
$13.9B
$1.7B
Q3 24
$14.7B
$3.0B
Q2 24
$13.9B
$3.0B
Q1 24
$13.7B
$2.9B
Total Assets
ALLY
ALLY
PLUG
PLUG
Q4 25
$196.0B
$2.6B
Q3 25
$191.7B
$3.1B
Q2 25
$189.5B
$3.4B
Q1 25
$193.3B
$3.6B
Q4 24
$191.8B
$3.6B
Q3 24
$193.0B
$4.7B
Q2 24
$192.5B
$4.8B
Q1 24
$192.9B
$4.8B
Debt / Equity
ALLY
ALLY
PLUG
PLUG
Q4 25
1.10×
Q3 25
1.11×
Q2 25
1.09×
Q1 25
1.16×
Q4 24
1.26×
Q3 24
1.14×
0.00×
Q2 24
1.15×
0.00×
Q1 24
1.25×
0.00×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ALLY
ALLY
PLUG
PLUG
Operating Cash FlowLast quarter
$640.0M
$-148.6M
Free Cash FlowOCF − Capex
$-153.0M
FCF MarginFCF / Revenue
-67.9%
Capex IntensityCapex / Revenue
1.9%
Cash ConversionOCF / Net Profit
1.96×
TTM Free Cash FlowTrailing 4 quarters
$-647.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALLY
ALLY
PLUG
PLUG
Q4 25
$640.0M
$-148.6M
Q3 25
$1.2B
$-89.8M
Q2 25
$947.0M
$-191.8M
Q1 25
$940.0M
$-105.6M
Q4 24
$620.0M
$-131.2M
Q3 24
$992.0M
$-174.9M
Q2 24
$1.6B
$-254.7M
Q1 24
$1.3B
$-167.7M
Free Cash Flow
ALLY
ALLY
PLUG
PLUG
Q4 25
$-153.0M
Q3 25
$-117.5M
Q2 25
$-230.4M
Q1 25
$-146.0M
Q4 24
$-165.2M
Q3 24
$-234.2M
Q2 24
$-356.0M
Q1 24
$-260.3M
FCF Margin
ALLY
ALLY
PLUG
PLUG
Q4 25
-67.9%
Q3 25
-66.4%
Q2 25
-132.5%
Q1 25
-109.2%
Q4 24
-86.3%
Q3 24
-134.8%
Q2 24
-248.4%
Q1 24
-216.5%
Capex Intensity
ALLY
ALLY
PLUG
PLUG
Q4 25
1.9%
Q3 25
15.6%
Q2 25
22.2%
Q1 25
30.3%
Q4 24
17.7%
Q3 24
34.1%
Q2 24
70.7%
Q1 24
77.0%
Cash Conversion
ALLY
ALLY
PLUG
PLUG
Q4 25
1.96×
Q3 25
3.02×
Q2 25
2.69×
Q1 25
Q4 24
Q3 24
2.78×
Q2 24
5.36×
Q1 24
8.54×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ALLY
ALLY

Noninsurance Contracts$242.0M80%
Brokerage Commissionsand Other$21.0M7%
Commercial Portfolio Segment$19.0M6%
Other$13.0M4%
Banking Fees And Interchange Income$5.0M2%
Brokered Agent Commissions$1.0M0%

PLUG
PLUG

Sales Of Equipment And Related Infrastructure$111.6M50%
Services Performed On Fuel Cell Systems And Related Infrastructure$41.5M18%
Power Purchase Agreements$36.1M16%
Sale Of Cryogenic Equipment$20.0M9%
Sales Of Fuel Cell Systems$11.2M5%
Other$4.8M2%

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