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Side-by-side financial comparison of Fastly, Inc. (FSLY) and Tecnoglass Inc. (TGLS). Click either name above to swap in a different company.

Tecnoglass Inc. is the larger business by last-quarter revenue ($245.3M vs $172.6M, roughly 1.4× Fastly, Inc.). Tecnoglass Inc. runs the higher net margin — 10.6% vs -9.0%, a 19.6% gap on every dollar of revenue. On growth, Fastly, Inc. posted the faster year-over-year revenue change (22.8% vs 2.4%). Fastly, Inc. produced more free cash flow last quarter ($12.2M vs $11.4M). Over the past eight quarters, Fastly, Inc.'s revenue compounded faster (13.7% CAGR vs 12.8%).

Fastly, Inc. is an American company based in San Francisco, which describes itself as a cloud computing company. Fastly provides content delivery network services, image optimization, and load balancing services. Fastly's cloud security services include denial-of-service attack protection, bot mitigation, and a web application firewall.

Tecnoglass Inc. is a leading manufacturer of high-performance architectural glass, aluminum windows, doors, and associated building components. It primarily caters to residential and commercial construction sectors across North America and Latin America, offering custom, energy-efficient solutions for new construction and renovation projects.

FSLY vs TGLS — Head-to-Head

Bigger by revenue
TGLS
TGLS
1.4× larger
TGLS
$245.3M
$172.6M
FSLY
Growing faster (revenue YoY)
FSLY
FSLY
+20.4% gap
FSLY
22.8%
2.4%
TGLS
Higher net margin
TGLS
TGLS
19.6% more per $
TGLS
10.6%
-9.0%
FSLY
More free cash flow
FSLY
FSLY
$801.0K more FCF
FSLY
$12.2M
$11.4M
TGLS
Faster 2-yr revenue CAGR
FSLY
FSLY
Annualised
FSLY
13.7%
12.8%
TGLS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FSLY
FSLY
TGLS
TGLS
Revenue
$172.6M
$245.3M
Net Profit
$-15.5M
$26.1M
Gross Margin
61.4%
40.0%
Operating Margin
-8.7%
18.3%
Net Margin
-9.0%
10.6%
Revenue YoY
22.8%
2.4%
Net Profit YoY
52.9%
-44.5%
EPS (diluted)
$-0.10
$0.57

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
FSLY
FSLY
TGLS
TGLS
Q4 25
$172.6M
$245.3M
Q3 25
$158.2M
$260.5M
Q2 25
$148.7M
$255.5M
Q1 25
$144.5M
$222.3M
Q4 24
$140.6M
$239.6M
Q3 24
$137.2M
$238.3M
Q2 24
$132.4M
$219.7M
Q1 24
$133.5M
$192.6M
Net Profit
FSLY
FSLY
TGLS
TGLS
Q4 25
$-15.5M
$26.1M
Q3 25
$-29.5M
$47.2M
Q2 25
$-37.5M
$44.1M
Q1 25
$-39.1M
$42.2M
Q4 24
$-32.9M
$47.0M
Q3 24
$-38.0M
$49.5M
Q2 24
$-43.7M
$35.0M
Q1 24
$-43.4M
$29.7M
Gross Margin
FSLY
FSLY
TGLS
TGLS
Q4 25
61.4%
40.0%
Q3 25
58.4%
42.7%
Q2 25
54.5%
44.7%
Q1 25
53.2%
43.9%
Q4 24
53.4%
44.5%
Q3 24
54.5%
45.8%
Q2 24
55.1%
40.8%
Q1 24
54.8%
38.8%
Operating Margin
FSLY
FSLY
TGLS
TGLS
Q4 25
-8.7%
18.3%
Q3 25
-18.2%
25.1%
Q2 25
-24.8%
24.0%
Q1 25
-26.4%
26.7%
Q4 24
-24.4%
28.0%
Q3 24
-29.6%
28.4%
Q2 24
-35.3%
23.3%
Q1 24
-34.6%
21.3%
Net Margin
FSLY
FSLY
TGLS
TGLS
Q4 25
-9.0%
10.6%
Q3 25
-18.6%
18.1%
Q2 25
-25.2%
17.3%
Q1 25
-27.1%
19.0%
Q4 24
-23.4%
19.6%
Q3 24
-27.7%
20.8%
Q2 24
-33.0%
15.9%
Q1 24
-32.5%
15.4%
EPS (diluted)
FSLY
FSLY
TGLS
TGLS
Q4 25
$-0.10
$0.57
Q3 25
$-0.20
$1.01
Q2 25
$-0.26
$0.94
Q1 25
$-0.27
$0.90
Q4 24
$-0.23
$1.00
Q3 24
$-0.27
$1.05
Q2 24
$-0.32
$0.75
Q1 24
$-0.32
$0.63

Balance Sheet & Financial Strength

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

Metric
FSLY
FSLY
TGLS
TGLS
Cash + ST InvestmentsLiquidity on hand
$361.8M
$104.1M
Total DebtLower is stronger
$174.4M
Stockholders' EquityBook value
$929.6M
$713.1M
Total Assets
$1.5B
$1.3B
Debt / EquityLower = less leverage
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSLY
FSLY
TGLS
TGLS
Q4 25
$361.8M
$104.1M
Q3 25
$342.9M
$127.1M
Q2 25
$321.2M
$140.9M
Q1 25
$307.3M
$160.2M
Q4 24
$295.9M
$137.5M
Q3 24
$308.2M
$124.8M
Q2 24
$311.8M
$129.5M
Q1 24
$329.5M
$138.8M
Total Debt
FSLY
FSLY
TGLS
TGLS
Q4 25
$174.4M
Q3 25
$114.7M
Q2 25
$110.6M
Q1 25
$110.6M
Q4 24
$111.1M
Q3 24
$126.8M
Q2 24
$144.7M
Q1 24
$160.9M
Stockholders' Equity
FSLY
FSLY
TGLS
TGLS
Q4 25
$929.6M
$713.1M
Q3 25
$937.0M
$764.0M
Q2 25
$942.6M
$736.0M
Q1 25
$957.0M
$685.1M
Q4 24
$965.3M
$631.2M
Q3 24
$969.5M
$613.3M
Q2 24
$981.2M
$574.8M
Q1 24
$991.8M
$573.6M
Total Assets
FSLY
FSLY
TGLS
TGLS
Q4 25
$1.5B
$1.3B
Q3 25
$1.5B
$1.2B
Q2 25
$1.5B
$1.2B
Q1 25
$1.4B
$1.1B
Q4 24
$1.5B
$1.0B
Q3 24
$1.5B
$996.3M
Q2 24
$1.5B
$942.5M
Q1 24
$1.5B
$981.6M
Debt / Equity
FSLY
FSLY
TGLS
TGLS
Q4 25
0.24×
Q3 25
0.15×
Q2 25
0.15×
Q1 25
0.16×
Q4 24
0.18×
Q3 24
0.21×
Q2 24
0.25×
Q1 24
0.28×

Cash Flow & Capital Efficiency

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

Metric
FSLY
FSLY
TGLS
TGLS
Operating Cash FlowLast quarter
$22.4M
$31.0M
Free Cash FlowOCF − Capex
$12.2M
$11.4M
FCF MarginFCF / Revenue
7.1%
4.7%
Capex IntensityCapex / Revenue
5.9%
8.0%
Cash ConversionOCF / Net Profit
1.19×
TTM Free Cash FlowTrailing 4 quarters
$65.8M
$34.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSLY
FSLY
TGLS
TGLS
Q4 25
$22.4M
$31.0M
Q3 25
$28.9M
$40.0M
Q2 25
$25.8M
$17.9M
Q1 25
$17.3M
$46.9M
Q4 24
$5.2M
$61.1M
Q3 24
$5.0M
$41.5M
Q2 24
$-4.9M
$34.5M
Q1 24
$11.1M
$33.4M
Free Cash Flow
FSLY
FSLY
TGLS
TGLS
Q4 25
$12.2M
$11.4M
Q3 25
$22.9M
$21.2M
Q2 25
$15.9M
$-14.7M
Q1 25
$14.7M
$16.5M
Q4 24
$251.0K
$35.4M
Q3 24
$3.0M
$17.8M
Q2 24
$-6.7M
$14.2M
Q1 24
$9.5M
$23.6M
FCF Margin
FSLY
FSLY
TGLS
TGLS
Q4 25
7.1%
4.7%
Q3 25
14.5%
8.2%
Q2 25
10.7%
-5.7%
Q1 25
10.2%
7.4%
Q4 24
0.2%
14.8%
Q3 24
2.2%
7.5%
Q2 24
-5.1%
6.5%
Q1 24
7.1%
12.2%
Capex Intensity
FSLY
FSLY
TGLS
TGLS
Q4 25
5.9%
8.0%
Q3 25
3.8%
7.2%
Q2 25
6.6%
12.7%
Q1 25
1.8%
13.7%
Q4 24
3.5%
10.7%
Q3 24
1.5%
9.9%
Q2 24
1.3%
9.2%
Q1 24
1.2%
5.1%
Cash Conversion
FSLY
FSLY
TGLS
TGLS
Q4 25
1.19×
Q3 25
0.85×
Q2 25
0.41×
Q1 25
1.11×
Q4 24
1.30×
Q3 24
0.84×
Q2 24
0.98×
Q1 24
1.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FSLY
FSLY

Network Services$130.8M76%
Security$35.4M21%
Other$6.4M4%

TGLS
TGLS

Product Sales$164.2M67%
Fixed Price Contracts$81.1M33%
Related Party$692.0K0%

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