vs

Side-by-side financial comparison of ADMA BIOLOGICS, INC. (ADMA) and FOSTER L B CO (FSTR). Click either name above to swap in a different company.

FOSTER L B CO is the larger business by last-quarter revenue ($160.4M vs $139.2M, roughly 1.2× ADMA BIOLOGICS, INC.). ADMA BIOLOGICS, INC. runs the higher net margin — 35.5% vs 1.5%, a 34.0% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs 18.4%). ADMA BIOLOGICS, INC. produced more free cash flow last quarter ($34.6M vs $19.8M). Over the past eight quarters, ADMA BIOLOGICS, INC.'s revenue compounded faster (30.4% CAGR vs 13.6%).

ADMA Biologics Inc. is a biopharmaceutical enterprise focused on the research, development, manufacturing and commercialization of specialty plasma-derived immunoglobulin therapies. It primarily operates in the United States, catering to patients with primary immunodeficiency and other immune-related disorders, healthcare providers and medical institutions across its core immune health therapeutic segment.

Foster L B Co. is a U.S.-headquartered industrial manufacturing firm that develops, produces and distributes engineered access solutions, construction components, and rail infrastructure products. It serves commercial construction, transportation, and industrial end markets across North America and selected international regions.

ADMA vs FSTR — Head-to-Head

Bigger by revenue
FSTR
FSTR
1.2× larger
FSTR
$160.4M
$139.2M
ADMA
Growing faster (revenue YoY)
FSTR
FSTR
+6.7% gap
FSTR
25.1%
18.4%
ADMA
Higher net margin
ADMA
ADMA
34.0% more per $
ADMA
35.5%
1.5%
FSTR
More free cash flow
ADMA
ADMA
$14.8M more FCF
ADMA
$34.6M
$19.8M
FSTR
Faster 2-yr revenue CAGR
ADMA
ADMA
Annualised
ADMA
30.4%
13.6%
FSTR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ADMA
ADMA
FSTR
FSTR
Revenue
$139.2M
$160.4M
Net Profit
$49.4M
$2.4M
Gross Margin
63.8%
19.7%
Operating Margin
45.1%
4.9%
Net Margin
35.5%
1.5%
Revenue YoY
18.4%
25.1%
Net Profit YoY
-55.9%
1098.3%
EPS (diluted)
$0.20
$0.22

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
ADMA
ADMA
FSTR
FSTR
Q4 25
$139.2M
$160.4M
Q3 25
$134.2M
$138.3M
Q2 25
$122.0M
$143.6M
Q1 25
$114.8M
$97.8M
Q4 24
$117.5M
$128.2M
Q3 24
$119.8M
$137.5M
Q2 24
$107.2M
$140.8M
Q1 24
$81.9M
$124.3M
Net Profit
ADMA
ADMA
FSTR
FSTR
Q4 25
$49.4M
$2.4M
Q3 25
$36.4M
$4.4M
Q2 25
$34.2M
$2.9M
Q1 25
$26.9M
$-2.1M
Q4 24
$111.9M
$-242.0K
Q3 24
$35.9M
$35.9M
Q2 24
$32.1M
$2.8M
Q1 24
$17.8M
$4.4M
Gross Margin
ADMA
ADMA
FSTR
FSTR
Q4 25
63.8%
19.7%
Q3 25
56.3%
22.5%
Q2 25
55.1%
21.5%
Q1 25
53.2%
20.6%
Q4 24
53.9%
22.3%
Q3 24
49.8%
23.8%
Q2 24
53.6%
21.7%
Q1 24
47.8%
21.1%
Operating Margin
ADMA
ADMA
FSTR
FSTR
Q4 25
45.1%
4.9%
Q3 25
38.0%
6.0%
Q2 25
35.1%
5.3%
Q1 25
30.4%
-2.0%
Q4 24
32.6%
2.4%
Q3 24
33.1%
5.3%
Q2 24
36.6%
3.2%
Q1 24
26.7%
4.5%
Net Margin
ADMA
ADMA
FSTR
FSTR
Q4 25
35.5%
1.5%
Q3 25
27.1%
3.1%
Q2 25
28.1%
2.0%
Q1 25
23.4%
-2.2%
Q4 24
95.2%
-0.2%
Q3 24
30.0%
26.1%
Q2 24
29.9%
2.0%
Q1 24
21.7%
3.6%
EPS (diluted)
ADMA
ADMA
FSTR
FSTR
Q4 25
$0.20
$0.22
Q3 25
$0.15
$0.40
Q2 25
$0.14
$0.27
Q1 25
$0.11
$-0.20
Q4 24
$0.45
$-0.04
Q3 24
$0.15
$3.27
Q2 24
$0.13
$0.26
Q1 24
$0.08
$0.40

Balance Sheet & Financial Strength

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

Metric
ADMA
ADMA
FSTR
FSTR
Cash + ST InvestmentsLiquidity on hand
$87.6M
$4.3M
Total DebtLower is stronger
$72.1M
$42.6M
Stockholders' EquityBook value
$477.3M
$175.3M
Total Assets
$624.2M
$330.4M
Debt / EquityLower = less leverage
0.15×
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADMA
ADMA
FSTR
FSTR
Q4 25
$87.6M
$4.3M
Q3 25
$61.4M
$3.4M
Q2 25
$90.3M
$4.2M
Q1 25
$71.6M
$2.6M
Q4 24
$103.1M
$2.5M
Q3 24
$86.7M
$3.1M
Q2 24
$88.2M
$4.0M
Q1 24
$45.3M
$3.1M
Total Debt
ADMA
ADMA
FSTR
FSTR
Q4 25
$72.1M
$42.6M
Q3 25
$72.4M
$58.6M
Q2 25
$81.4M
Q1 25
$82.3M
Q4 24
$72.3M
$46.8M
Q3 24
$68.4M
Q2 24
$87.0M
Q1 24
$77.9M
Stockholders' Equity
ADMA
ADMA
FSTR
FSTR
Q4 25
$477.3M
$175.3M
Q3 25
$431.2M
$174.8M
Q2 25
$398.3M
$174.4M
Q1 25
$373.4M
$170.8M
Q4 24
$349.0M
$178.3M
Q3 24
$231.9M
$181.9M
Q2 24
$188.3M
$147.1M
Q1 24
$153.7M
$144.6M
Total Assets
ADMA
ADMA
FSTR
FSTR
Q4 25
$624.2M
$330.4M
Q3 25
$568.7M
$333.9M
Q2 25
$558.4M
$349.9M
Q1 25
$510.6M
$342.8M
Q4 24
$488.7M
$334.6M
Q3 24
$390.6M
$344.5M
Q2 24
$376.4M
$333.3M
Q1 24
$350.9M
$326.4M
Debt / Equity
ADMA
ADMA
FSTR
FSTR
Q4 25
0.15×
0.24×
Q3 25
0.17×
0.33×
Q2 25
0.47×
Q1 25
0.48×
Q4 24
0.21×
0.26×
Q3 24
0.38×
Q2 24
0.59×
Q1 24
0.54×

Cash Flow & Capital Efficiency

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

Metric
ADMA
ADMA
FSTR
FSTR
Operating Cash FlowLast quarter
$35.6M
$22.2M
Free Cash FlowOCF − Capex
$34.6M
$19.8M
FCF MarginFCF / Revenue
24.8%
12.3%
Capex IntensityCapex / Revenue
0.8%
1.5%
Cash ConversionOCF / Net Profit
0.72×
9.18×
TTM Free Cash FlowTrailing 4 quarters
$27.8M
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADMA
ADMA
FSTR
FSTR
Q4 25
$35.6M
$22.2M
Q3 25
$13.3M
$29.2M
Q2 25
$21.1M
$10.4M
Q1 25
$-19.7M
$-26.1M
Q4 24
$50.2M
$24.3M
Q3 24
$25.0M
$24.7M
Q2 24
$45.6M
$-5.0M
Q1 24
$-2.2M
$-21.4M
Free Cash Flow
ADMA
ADMA
FSTR
FSTR
Q4 25
$34.6M
$19.8M
Q3 25
$-1.1M
$26.4M
Q2 25
$18.7M
$7.7M
Q1 25
$-24.4M
$-28.7M
Q4 24
$47.5M
$22.3M
Q3 24
$24.0M
$21.7M
Q2 24
$43.6M
$-7.0M
Q1 24
$-4.6M
$-24.2M
FCF Margin
ADMA
ADMA
FSTR
FSTR
Q4 25
24.8%
12.3%
Q3 25
-0.8%
19.1%
Q2 25
15.3%
5.4%
Q1 25
-21.2%
-29.4%
Q4 24
40.4%
17.4%
Q3 24
20.0%
15.8%
Q2 24
40.7%
-5.0%
Q1 24
-5.6%
-19.4%
Capex Intensity
ADMA
ADMA
FSTR
FSTR
Q4 25
0.8%
1.5%
Q3 25
10.7%
2.0%
Q2 25
2.0%
1.9%
Q1 25
4.1%
2.6%
Q4 24
2.3%
1.5%
Q3 24
0.9%
2.2%
Q2 24
1.9%
1.5%
Q1 24
2.9%
2.2%
Cash Conversion
ADMA
ADMA
FSTR
FSTR
Q4 25
0.72×
9.18×
Q3 25
0.36×
6.70×
Q2 25
0.62×
3.61×
Q1 25
-0.73×
Q4 24
0.45×
Q3 24
0.70×
0.69×
Q2 24
1.42×
-1.74×
Q1 24
-0.12×
-4.83×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ADMA
ADMA

ADMA Bio Manufacturing Segment$123.1M88%
Other$16.0M12%

FSTR
FSTR

Rail Technologies And Services Segment$98.0M61%
Over Time Output Method$26.3M16%
Services$19.4M12%
Rail Technologies Products$10.0M6%
Over Time Input Method$8.3M5%

Related Comparisons