vs

Side-by-side financial comparison of ASSEMBLY BIOSCIENCES, INC. (ASMB) and AMTECH SYSTEMS INC (ASYS). Click either name above to swap in a different company.

AMTECH SYSTEMS INC is the larger business by last-quarter revenue ($19.0M vs $10.8M, roughly 1.8× ASSEMBLY BIOSCIENCES, INC.). AMTECH SYSTEMS INC runs the higher net margin — 0.6% vs -85.2%, a 85.8% gap on every dollar of revenue. On growth, ASSEMBLY BIOSCIENCES, INC. posted the faster year-over-year revenue change (57.6% vs -22.2%). AMTECH SYSTEMS INC produced more free cash flow last quarter ($3.8M vs $-15.2M).

Pacific Biosciences of California, Inc. is an American biotechnology company founded in 2004 that develops and manufactures systems for gene sequencing and some novel real time biological observation. PacBio has two principal sequencing platforms: single-molecule real-time sequencing (SMRT), based on the properties of zero-mode waveguides and sequencing by binding (SBB) chemistry, which uses native nucleotides and scarless incorporation for DNA binding and extension.

Amtech Systems Inc is a global manufacturer of advanced thermal processing and automation equipment primarily serving the semiconductor, solar photovoltaic, and LED production sectors. Its product portfolio includes soldering, diffusion, and deposition systems, with key markets spanning North America, East Asia, and Western Europe, catering to leading electronic component and clean energy manufacturing clients.

ASMB vs ASYS — Head-to-Head

Bigger by revenue
ASYS
ASYS
1.8× larger
ASYS
$19.0M
$10.8M
ASMB
Growing faster (revenue YoY)
ASMB
ASMB
+79.8% gap
ASMB
57.6%
-22.2%
ASYS
Higher net margin
ASYS
ASYS
85.8% more per $
ASYS
0.6%
-85.2%
ASMB
More free cash flow
ASYS
ASYS
$19.0M more FCF
ASYS
$3.8M
$-15.2M
ASMB

Income Statement — Q3 FY2025 vs Q1 FY2026

Metric
ASMB
ASMB
ASYS
ASYS
Revenue
$10.8M
$19.0M
Net Profit
$-9.2M
$108.0K
Gross Margin
44.8%
Operating Margin
-100.9%
4.1%
Net Margin
-85.2%
0.6%
Revenue YoY
57.6%
-22.2%
Net Profit YoY
4.3%
-65.4%
EPS (diluted)
$-0.72
$0.01

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
ASMB
ASMB
ASYS
ASYS
Q4 25
$19.0M
Q3 25
$10.8M
$19.8M
Q2 25
$9.6M
$19.6M
Q1 25
$9.4M
$15.6M
Q4 24
$7.4M
$24.4M
Q3 24
$6.8M
$24.1M
Q2 24
$8.5M
$26.7M
Q1 24
$5.8M
$25.4M
Net Profit
ASMB
ASMB
ASYS
ASYS
Q4 25
$108.0K
Q3 25
$-9.2M
$1.1M
Q2 25
$-10.2M
$106.0K
Q1 25
$-8.8M
$-31.8M
Q4 24
$312.0K
Q3 24
$-9.6M
$-536.0K
Q2 24
$-11.2M
$438.0K
Q1 24
$-9.1M
$970.0K
Gross Margin
ASMB
ASMB
ASYS
ASYS
Q4 25
44.8%
Q3 25
44.4%
Q2 25
46.7%
Q1 25
-2.1%
Q4 24
38.4%
Q3 24
40.7%
Q2 24
36.5%
Q1 24
33.2%
Operating Margin
ASMB
ASMB
ASYS
ASYS
Q4 25
4.1%
Q3 25
-100.9%
9.3%
Q2 25
-115.2%
4.7%
Q1 25
-105.5%
-202.7%
Q4 24
1.4%
Q3 24
-160.1%
0.1%
Q2 24
-143.0%
3.1%
Q1 24
-185.5%
5.4%
Net Margin
ASMB
ASMB
ASYS
ASYS
Q4 25
0.6%
Q3 25
-85.2%
5.4%
Q2 25
-105.9%
0.5%
Q1 25
-93.6%
-204.2%
Q4 24
1.3%
Q3 24
-140.4%
-2.2%
Q2 24
-130.7%
1.6%
Q1 24
-156.9%
3.8%
EPS (diluted)
ASMB
ASMB
ASYS
ASYS
Q4 25
$0.01
Q3 25
$-0.72
$0.08
Q2 25
$-1.33
$0.01
Q1 25
$-1.17
$-2.23
Q4 24
$0.02
Q3 24
$-1.51
$-0.04
Q2 24
$-1.98
$0.03
Q1 24
$-1.66
$0.07

Balance Sheet & Financial Strength

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

Metric
ASMB
ASMB
ASYS
ASYS
Cash + ST InvestmentsLiquidity on hand
$22.5M
$22.1M
Total DebtLower is stronger
$162.0K
Stockholders' EquityBook value
$182.7M
$54.1M
Total Assets
$240.0M
$94.1M
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASMB
ASMB
ASYS
ASYS
Q4 25
$22.1M
Q3 25
$22.5M
$17.9M
Q2 25
$24.0M
$15.6M
Q1 25
$23.4M
$13.4M
Q4 24
$38.3M
$13.2M
Q3 24
$28.5M
$11.1M
Q2 24
$19.2M
$13.2M
Q1 24
$18.7M
$13.0M
Total Debt
ASMB
ASMB
ASYS
ASYS
Q4 25
$162.0K
Q3 25
$168.0K
Q2 25
$127.0K
Q1 25
$135.0K
Q4 24
$161.0K
Q3 24
$189.0K
Q2 24
$177.0K
Q1 24
$65.0K
Stockholders' Equity
ASMB
ASMB
ASYS
ASYS
Q4 25
$54.1M
Q3 25
$182.7M
$53.4M
Q2 25
$18.1M
$51.7M
Q1 25
$27.1M
$51.0M
Q4 24
$33.4M
$82.4M
Q3 24
$26.0M
$82.4M
Q2 24
$34.7M
$81.7M
Q1 24
$32.6M
$80.9M
Total Assets
ASMB
ASMB
ASYS
ASYS
Q4 25
$94.1M
Q3 25
$240.0M
$92.9M
Q2 25
$80.8M
$89.5M
Q1 25
$99.0M
$83.4M
Q4 24
$119.2M
$117.8M
Q3 24
$100.3M
$119.3M
Q2 24
$115.3M
$127.1M
Q1 24
$119.9M
$116.5M
Debt / Equity
ASMB
ASMB
ASYS
ASYS
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
Q2 24
0.00×
Q1 24
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
ASMB
ASMB
ASYS
ASYS
Operating Cash FlowLast quarter
$-15.1M
$4.1M
Free Cash FlowOCF − Capex
$-15.2M
$3.8M
FCF MarginFCF / Revenue
-140.7%
20.2%
Capex IntensityCapex / Revenue
0.4%
1.5%
Cash ConversionOCF / Net Profit
37.99×
TTM Free Cash FlowTrailing 4 quarters
$8.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASMB
ASMB
ASYS
ASYS
Q4 25
$4.1M
Q3 25
$-15.1M
$2.3M
Q2 25
$-16.8M
$2.5M
Q1 25
$-23.4M
$210.0K
Q4 24
$-51.1M
$2.9M
Q3 24
$-15.2M
$879.0K
Q2 24
$-17.1M
$3.7M
Q1 24
$-18.4M
$336.0K
Free Cash Flow
ASMB
ASMB
ASYS
ASYS
Q4 25
$3.8M
Q3 25
$-15.2M
$2.0M
Q2 25
$2.0M
Q1 25
$201.0K
Q4 24
$-51.1M
$2.7M
Q3 24
$447.0K
Q2 24
$-17.1M
$322.0K
Q1 24
$-18.4M
$-884.0K
FCF Margin
ASMB
ASMB
ASYS
ASYS
Q4 25
20.2%
Q3 25
-140.7%
10.2%
Q2 25
10.1%
Q1 25
1.3%
Q4 24
-695.2%
11.2%
Q3 24
1.9%
Q2 24
-200.6%
1.2%
Q1 24
-317.7%
-3.5%
Capex Intensity
ASMB
ASMB
ASYS
ASYS
Q4 25
1.5%
Q3 25
0.4%
1.2%
Q2 25
0.0%
2.8%
Q1 25
0.0%
0.1%
Q4 24
0.4%
0.6%
Q3 24
0.0%
1.8%
Q2 24
0.2%
12.5%
Q1 24
0.2%
4.8%
Cash Conversion
ASMB
ASMB
ASYS
ASYS
Q4 25
37.99×
Q3 25
2.12×
Q2 25
23.89×
Q1 25
Q4 24
9.19×
Q3 24
Q2 24
8.35×
Q1 24
0.35×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ASMB
ASMB

Segment breakdown not available.

ASYS
ASYS

Thermal Processing Solutions$14.0M74%
Semiconductor Fabrication Solutions$5.0M26%

Related Comparisons