vs

Side-by-side financial comparison of ACI WORLDWIDE, INC. (ACIW) and SL GREEN REALTY CORP (SLG). Click either name above to swap in a different company.

ACI WORLDWIDE, INC. is the larger business by last-quarter revenue ($425.7M vs $276.5M, roughly 1.5× SL GREEN REALTY CORP). ACI WORLDWIDE, INC. runs the higher net margin — 9.0% vs -36.5%, a 45.5% gap on every dollar of revenue. On growth, SL GREEN REALTY CORP posted the faster year-over-year revenue change (12.4% vs 7.9%). Over the past eight quarters, SL GREEN REALTY CORP's revenue compounded faster (21.3% CAGR vs 6.8%).

ACI Worldwide is a digital payments software company headquartered in Elkhorn, Nebraska, that processes billions of transactions daily equating to trillions of U.S. dollars for customers in 94 countries. Banks, financial institutions, merchants, billers, acquirers, issuers, and other third-party payment service providers use its intelligent solutions to deploy secure payment rails across all channels.

SL Green Realty Corp. is a real estate investment trust that primarily invests in office buildings and shopping centers in New York City. As of December 31, 2024, the company owned interests in 39 properties comprising 25,297,353 square feet, primarily in Manhattan. It has been referred to as "New York City’s largest office landlord".

ACIW vs SLG — Head-to-Head

Bigger by revenue
ACIW
ACIW
1.5× larger
ACIW
$425.7M
$276.5M
SLG
Growing faster (revenue YoY)
SLG
SLG
+4.5% gap
SLG
12.4%
7.9%
ACIW
Higher net margin
ACIW
ACIW
45.5% more per $
ACIW
9.0%
-36.5%
SLG
Faster 2-yr revenue CAGR
SLG
SLG
Annualised
SLG
21.3%
6.8%
ACIW

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ACIW
ACIW
SLG
SLG
Revenue
$425.7M
$276.5M
Net Profit
$38.3M
$-100.8M
Gross Margin
Operating Margin
13.5%
64.2%
Net Margin
9.0%
-36.5%
Revenue YoY
7.9%
12.4%
Net Profit YoY
-870.0%
EPS (diluted)
$0.37
$-1.49

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
ACIW
ACIW
SLG
SLG
Q1 26
$425.7M
Q4 25
$481.6M
$276.5M
Q3 25
$482.4M
$244.8M
Q2 25
$401.3M
$241.9M
Q1 25
$394.6M
$239.8M
Q4 24
$453.0M
$245.9M
Q3 24
$451.8M
$229.7M
Q2 24
$373.5M
$222.8M
Net Profit
ACIW
ACIW
SLG
SLG
Q1 26
$38.3M
Q4 25
$64.3M
$-100.8M
Q3 25
$91.3M
$28.6M
Q2 25
$12.2M
$-7.4M
Q1 25
$58.9M
$-17.3M
Q4 24
$98.6M
$19.1M
Q3 24
$81.4M
$-9.5M
Q2 24
$30.9M
$1.6M
Gross Margin
ACIW
ACIW
SLG
SLG
Q1 26
Q4 25
53.0%
Q3 25
53.7%
Q2 25
41.5%
Q1 25
45.9%
Q4 24
55.8%
Q3 24
56.3%
Q2 24
45.6%
Operating Margin
ACIW
ACIW
SLG
SLG
Q1 26
13.5%
Q4 25
22.6%
64.2%
Q3 25
26.5%
85.5%
Q2 25
8.7%
53.4%
Q1 25
14.8%
56.7%
Q4 24
27.0%
59.8%
Q3 24
27.1%
65.1%
Q2 24
14.4%
79.2%
Net Margin
ACIW
ACIW
SLG
SLG
Q1 26
9.0%
Q4 25
13.4%
-36.5%
Q3 25
18.9%
11.7%
Q2 25
3.0%
-3.0%
Q1 25
14.9%
-7.2%
Q4 24
21.8%
7.8%
Q3 24
18.0%
-4.2%
Q2 24
8.3%
0.7%
EPS (diluted)
ACIW
ACIW
SLG
SLG
Q1 26
$0.37
Q4 25
$0.61
$-1.49
Q3 25
$0.88
$0.34
Q2 25
$0.12
$-0.16
Q1 25
$0.55
$-0.30
Q4 24
$0.92
$0.13
Q3 24
$0.77
$-0.21
Q2 24
$0.29
$-0.04

Balance Sheet & Financial Strength

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

Metric
ACIW
ACIW
SLG
SLG
Cash + ST InvestmentsLiquidity on hand
$161.8M
$155.7M
Total DebtLower is stronger
$807.4M
Stockholders' EquityBook value
$1.5B
$3.7B
Total Assets
$3.1B
$11.1B
Debt / EquityLower = less leverage
0.54×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACIW
ACIW
SLG
SLG
Q1 26
$161.8M
Q4 25
$196.5M
$155.7M
Q3 25
$199.3M
$187.0M
Q2 25
$189.7M
$182.9M
Q1 25
$230.1M
$180.1M
Q4 24
$216.4M
$184.3M
Q3 24
$177.9M
$188.2M
Q2 24
$157.0M
$199.5M
Total Debt
ACIW
ACIW
SLG
SLG
Q1 26
$807.4M
Q4 25
$817.6M
Q3 25
$867.8M
Q2 25
$898.0M
Q1 25
$845.9M
Q4 24
$924.6M
Q3 24
$994.3M
Q2 24
$1.0B
Stockholders' Equity
ACIW
ACIW
SLG
SLG
Q1 26
$1.5B
Q4 25
$1.5B
$3.7B
Q3 25
$1.5B
$3.8B
Q2 25
$1.4B
$3.8B
Q1 25
$1.5B
$3.8B
Q4 24
$1.4B
$4.0B
Q3 24
$1.3B
$3.6B
Q2 24
$1.2B
$3.7B
Total Assets
ACIW
ACIW
SLG
SLG
Q1 26
$3.1B
Q4 25
$3.1B
$11.1B
Q3 25
$3.2B
$11.1B
Q2 25
$3.1B
$11.3B
Q1 25
$3.2B
$11.4B
Q4 24
$3.0B
$10.5B
Q3 24
$3.1B
$10.2B
Q2 24
$3.4B
$9.5B
Debt / Equity
ACIW
ACIW
SLG
SLG
Q1 26
0.54×
Q4 25
0.54×
Q3 25
0.59×
Q2 25
0.64×
Q1 25
0.57×
Q4 24
0.65×
Q3 24
0.75×
Q2 24
0.82×

Cash Flow & Capital Efficiency

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

Metric
ACIW
ACIW
SLG
SLG
Operating Cash FlowLast quarter
$82.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACIW
ACIW
SLG
SLG
Q1 26
Q4 25
$121.8M
$82.9M
Q3 25
$73.0M
$-6.8M
Q2 25
$49.8M
$54.5M
Q1 25
$78.2M
$6.7M
Q4 24
$126.5M
$129.6M
Q3 24
$54.0M
$16.7M
Q2 24
$55.0M
$79.4M
Free Cash Flow
ACIW
ACIW
SLG
SLG
Q1 26
Q4 25
$116.6M
Q3 25
$69.6M
Q2 25
$47.6M
Q1 25
$76.1M
Q4 24
$119.5M
Q3 24
$50.5M
Q2 24
$53.3M
FCF Margin
ACIW
ACIW
SLG
SLG
Q1 26
Q4 25
24.2%
Q3 25
14.4%
Q2 25
11.9%
Q1 25
19.3%
Q4 24
26.4%
Q3 24
11.2%
Q2 24
14.3%
Capex Intensity
ACIW
ACIW
SLG
SLG
Q1 26
Q4 25
1.1%
Q3 25
0.7%
Q2 25
0.5%
Q1 25
0.5%
Q4 24
1.5%
Q3 24
0.8%
Q2 24
0.5%
Cash Conversion
ACIW
ACIW
SLG
SLG
Q1 26
Q4 25
1.89×
Q3 25
0.80×
-0.24×
Q2 25
4.08×
Q1 25
1.33×
Q4 24
1.28×
6.77×
Q3 24
0.66×
Q2 24
1.78×
50.33×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACIW
ACIW

Software as a service and platform as a service$262.0M62%
License$88.0M21%
Maintenance$50.9M12%
Services$24.8M6%

SLG
SLG

Real Estate Segment$223.1M81%
Other$35.9M13%
Debt And Preferred Equity Segment$17.4M6%

Related Comparisons