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Side-by-side financial comparison of ASSEMBLY BIOSCIENCES, INC. (ASMB) and ESPEY MFG & ELECTRONICS CORP (ESP). Click either name above to swap in a different company.

ESPEY MFG & ELECTRONICS CORP is the larger business by last-quarter revenue ($12.1M vs $10.8M, roughly 1.1× ASSEMBLY BIOSCIENCES, INC.). ESPEY MFG & ELECTRONICS CORP runs the higher net margin — 23.1% vs -85.2%, a 108.3% gap on every dollar of revenue. On growth, ASSEMBLY BIOSCIENCES, INC. posted the faster year-over-year revenue change (57.6% vs -10.8%). ESPEY MFG & ELECTRONICS CORP produced more free cash flow last quarter ($-4.1M 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.

ESPEY MFG & ELECTRONICS CORP is a US-based manufacturer specializing in high-reliability power supplies, power conversion systems and specialized electronic components. It serves aerospace, defense, industrial and transportation sectors, delivering custom solutions for harsh environments to OEMs and government contractors across North America and select global markets.

ASMB vs ESP — Head-to-Head

Bigger by revenue
ESP
ESP
1.1× larger
ESP
$12.1M
$10.8M
ASMB
Growing faster (revenue YoY)
ASMB
ASMB
+68.4% gap
ASMB
57.6%
-10.8%
ESP
Higher net margin
ESP
ESP
108.3% more per $
ESP
23.1%
-85.2%
ASMB
More free cash flow
ESP
ESP
$11.0M more FCF
ESP
$-4.1M
$-15.2M
ASMB

Income Statement — Q3 FY2025 vs Q2 FY2026

Metric
ASMB
ASMB
ESP
ESP
Revenue
$10.8M
$12.1M
Net Profit
$-9.2M
$2.8M
Gross Margin
34.7%
Operating Margin
-100.9%
25.3%
Net Margin
-85.2%
23.1%
Revenue YoY
57.6%
-10.8%
Net Profit YoY
4.3%
47.0%
EPS (diluted)
$-0.72
$0.99

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
ESP
ESP
Q4 25
$12.1M
Q3 25
$10.8M
$9.1M
Q2 25
$9.6M
$9.6M
Q1 25
$9.4M
$10.3M
Q4 24
$7.4M
$13.6M
Q3 24
$6.8M
$10.4M
Q2 24
$8.5M
$11.6M
Q1 24
$5.8M
$8.3M
Net Profit
ASMB
ASMB
ESP
ESP
Q4 25
$2.8M
Q3 25
$-9.2M
$2.2M
Q2 25
$-10.2M
$2.9M
Q1 25
$-8.8M
$1.7M
Q4 24
$1.9M
Q3 24
$-9.6M
$1.6M
Q2 24
$-11.2M
$1.9M
Q1 24
$-9.1M
$1.0M
Gross Margin
ASMB
ASMB
ESP
ESP
Q4 25
34.7%
Q3 25
35.4%
Q2 25
39.3%
Q1 25
28.6%
Q4 24
23.2%
Q3 24
26.8%
Q2 24
27.6%
Q1 24
25.0%
Operating Margin
ASMB
ASMB
ESP
ESP
Q4 25
25.3%
Q3 25
-100.9%
22.7%
Q2 25
-115.2%
27.4%
Q1 25
-105.5%
17.0%
Q4 24
14.9%
Q3 24
-160.1%
16.5%
Q2 24
-143.0%
18.4%
Q1 24
-185.5%
13.2%
Net Margin
ASMB
ASMB
ESP
ESP
Q4 25
23.1%
Q3 25
-85.2%
23.9%
Q2 25
-105.9%
30.6%
Q1 25
-93.6%
16.5%
Q4 24
14.0%
Q3 24
-140.4%
15.3%
Q2 24
-130.7%
16.3%
Q1 24
-156.9%
12.5%
EPS (diluted)
ASMB
ASMB
ESP
ESP
Q4 25
$0.99
Q3 25
$-0.72
$0.76
Q2 25
$-1.33
$1.07
Q1 25
$-1.17
$0.63
Q4 24
$0.71
Q3 24
$-1.51
$0.61
Q2 24
$-1.98
$0.73
Q1 24
$-1.66
$0.40

Balance Sheet & Financial Strength

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

Metric
ASMB
ASMB
ESP
ESP
Cash + ST InvestmentsLiquidity on hand
$22.5M
$17.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$182.7M
$53.2M
Total Assets
$240.0M
$85.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASMB
ASMB
ESP
ESP
Q4 25
$17.8M
Q3 25
$22.5M
$22.2M
Q2 25
$24.0M
$18.9M
Q1 25
$23.4M
$13.9M
Q4 24
$38.3M
$8.0M
Q3 24
$28.5M
$4.8M
Q2 24
$19.2M
$4.4M
Q1 24
$18.7M
$5.6M
Stockholders' Equity
ASMB
ASMB
ESP
ESP
Q4 25
$53.2M
Q3 25
$182.7M
$51.0M
Q2 25
$18.1M
$50.8M
Q1 25
$27.1M
$46.3M
Q4 24
$33.4M
$44.8M
Q3 24
$26.0M
$42.5M
Q2 24
$34.7M
$41.3M
Q1 24
$32.6M
$39.3M
Total Assets
ASMB
ASMB
ESP
ESP
Q4 25
$85.2M
Q3 25
$240.0M
$84.8M
Q2 25
$80.8M
$79.1M
Q1 25
$99.0M
$72.8M
Q4 24
$119.2M
$60.2M
Q3 24
$100.3M
$57.6M
Q2 24
$115.3M
$56.5M
Q1 24
$119.9M
$53.1M

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
ESP
ESP
Operating Cash FlowLast quarter
$-15.1M
$-2.8M
Free Cash FlowOCF − Capex
$-15.2M
$-4.1M
FCF MarginFCF / Revenue
-140.7%
-34.1%
Capex IntensityCapex / Revenue
0.4%
10.9%
Cash ConversionOCF / Net Profit
-1.00×
TTM Free Cash FlowTrailing 4 quarters
$11.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASMB
ASMB
ESP
ESP
Q4 25
$-2.8M
Q3 25
$-15.1M
$5.7M
Q2 25
$-16.8M
$2.8M
Q1 25
$-23.4M
$11.5M
Q4 24
$-51.1M
$5.4M
Q3 24
$-15.2M
$1.4M
Q2 24
$-17.1M
$3.2M
Q1 24
$-18.4M
$1.4M
Free Cash Flow
ASMB
ASMB
ESP
ESP
Q4 25
$-4.1M
Q3 25
$-15.2M
$4.4M
Q2 25
$915.3K
Q1 25
$10.5M
Q4 24
$-51.1M
$4.5M
Q3 24
$724.8K
Q2 24
$-17.1M
$2.6M
Q1 24
$-18.4M
$379.1K
FCF Margin
ASMB
ASMB
ESP
ESP
Q4 25
-34.1%
Q3 25
-140.7%
48.7%
Q2 25
9.5%
Q1 25
101.8%
Q4 24
-695.2%
33.0%
Q3 24
6.9%
Q2 24
-200.6%
22.2%
Q1 24
-317.7%
4.6%
Capex Intensity
ASMB
ASMB
ESP
ESP
Q4 25
10.9%
Q3 25
0.4%
14.2%
Q2 25
0.0%
19.3%
Q1 25
0.0%
9.3%
Q4 24
0.4%
6.5%
Q3 24
0.0%
6.4%
Q2 24
0.2%
5.7%
Q1 24
0.2%
12.5%
Cash Conversion
ASMB
ASMB
ESP
ESP
Q4 25
-1.00×
Q3 25
2.64×
Q2 25
0.95×
Q1 25
6.72×
Q4 24
2.82×
Q3 24
0.87×
Q2 24
1.71×
Q1 24
1.37×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ASMB
ASMB

Segment breakdown not available.

ESP
ESP

ASC606$11.3M93%
Other$855.0K7%

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