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Side-by-side financial comparison of Aclaris Therapeutics, Inc. (ACRS) and Aeluma, Inc. (ALMU). Click either name above to swap in a different company.

Aclaris Therapeutics, Inc. is the larger business by last-quarter revenue ($1.3M vs $1.3M, roughly 1.0× Aeluma, Inc.). On growth, Aeluma, Inc. posted the faster year-over-year revenue change (-21.1% vs -85.9%). Aeluma, Inc. produced more free cash flow last quarter ($-282.0K vs $-47.2M).

Aclaris Therapeutics, Inc. is a clinical-stage biopharmaceutical firm focused on developing targeted therapies for immunological, inflammatory, and dermatological diseases. Its pipeline includes candidates for unmet needs like alopecia areata and vitiligo, serving global patient groups.

Aeluma, Inc. is a U.S.-headquartered technology firm focused on the design, development, and production of high-performance optoelectronic components and semiconductor products. Its core offerings include photonic sensors and laser diodes, serving the LiDAR, 5G/6G communication, industrial sensing, and automotive markets across North America and the Asia-Pacific region.

ACRS vs ALMU — Head-to-Head

Bigger by revenue
ACRS
ACRS
1.0× larger
ACRS
$1.3M
$1.3M
ALMU
Growing faster (revenue YoY)
ALMU
ALMU
+64.8% gap
ALMU
-21.1%
-85.9%
ACRS
More free cash flow
ALMU
ALMU
$46.9M more FCF
ALMU
$-282.0K
$-47.2M
ACRS

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
ACRS
ACRS
ALMU
ALMU
Revenue
$1.3M
$1.3M
Net Profit
$-1.9M
Gross Margin
58.9%
27.8%
Operating Margin
-163.6%
Net Margin
-145.7%
Revenue YoY
-85.9%
-21.1%
Net Profit YoY
79.5%
36.0%
EPS (diluted)
$-0.11

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
ACRS
ACRS
ALMU
ALMU
Q4 25
$1.3M
$1.3M
Q3 25
$3.3M
$1.4M
Q2 25
$1.8M
Q1 25
$1.5M
Q4 24
$9.2M
Q3 24
$4.3M
Q2 24
$2.8M
Q1 24
$2.4M
Net Profit
ACRS
ACRS
ALMU
ALMU
Q4 25
$-1.9M
Q3 25
$-14.6M
$-1.5M
Q2 25
$-15.4M
Q1 25
$-15.1M
Q4 24
$-96.6M
Q3 24
$-7.6M
Q2 24
$-11.0M
Q1 24
$-16.9M
Gross Margin
ACRS
ACRS
ALMU
ALMU
Q4 25
58.9%
27.8%
Q3 25
83.7%
49.4%
Q2 25
71.0%
Q1 25
65.2%
Q4 24
92.3%
Q3 24
85.0%
Q2 24
77.4%
Q1 24
66.3%
Operating Margin
ACRS
ACRS
ALMU
ALMU
Q4 25
-163.6%
Q3 25
-519.8%
-116.1%
Q2 25
-1035.9%
Q1 25
-1242.9%
Q4 24
-1082.3%
Q3 24
-240.9%
Q2 24
-464.7%
Q1 24
-789.4%
Net Margin
ACRS
ACRS
ALMU
ALMU
Q4 25
-145.7%
Q3 25
-443.0%
-107.8%
Q2 25
-868.3%
Q1 25
-1036.8%
Q4 24
-1048.3%
Q3 24
-174.6%
Q2 24
-397.2%
Q1 24
-706.5%
EPS (diluted)
ACRS
ACRS
ALMU
ALMU
Q4 25
$-0.11
Q3 25
$-0.12
$-0.09
Q2 25
$-0.13
Q1 25
$-0.12
Q4 24
$-1.21
Q3 24
$-0.11
Q2 24
$-0.15
Q1 24
$-0.24

Balance Sheet & Financial Strength

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

Metric
ACRS
ACRS
ALMU
ALMU
Cash + ST InvestmentsLiquidity on hand
$20.0M
$38.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$103.1M
$40.8M
Total Assets
$160.5M
$42.6M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACRS
ACRS
ALMU
ALMU
Q4 25
$20.0M
$38.6M
Q3 25
$25.3M
$25.9M
Q2 25
$25.4M
Q1 25
$30.4M
Q4 24
$24.6M
Q3 24
$47.7M
Q2 24
$22.8M
Q1 24
$35.8M
Stockholders' Equity
ACRS
ACRS
ALMU
ALMU
Q4 25
$103.1M
$40.8M
Q3 25
$120.1M
$40.9M
Q2 25
$131.7M
Q1 25
$144.1M
Q4 24
$155.6M
Q3 24
$130.2M
Q2 24
$133.8M
Q1 24
$142.0M
Total Assets
ACRS
ACRS
ALMU
ALMU
Q4 25
$160.5M
$42.6M
Q3 25
$175.5M
$42.7M
Q2 25
$189.1M
Q1 25
$198.1M
Q4 24
$220.3M
Q3 24
$182.4M
Q2 24
$161.1M
Q1 24
$174.1M

Cash Flow & Capital Efficiency

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

Metric
ACRS
ACRS
ALMU
ALMU
Operating Cash FlowLast quarter
$-47.1M
$-251.0K
Free Cash FlowOCF − Capex
$-47.2M
$-282.0K
FCF MarginFCF / Revenue
-3646.6%
-22.2%
Capex IntensityCapex / Revenue
8.6%
2.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-81.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACRS
ACRS
ALMU
ALMU
Q4 25
$-47.1M
$-251.0K
Q3 25
$-10.9M
$-815.0K
Q2 25
$-10.0M
Q1 25
$-13.1M
Q4 24
$-8.9M
Q3 24
$22.0M
Q2 24
$-12.3M
Q1 24
$-20.8M
Free Cash Flow
ACRS
ACRS
ALMU
ALMU
Q4 25
$-47.2M
$-282.0K
Q3 25
$-11.0M
$-1.0M
Q2 25
$-10.0M
Q1 25
$-13.1M
Q4 24
Q3 24
Q2 24
$-12.3M
Q1 24
$-20.9M
FCF Margin
ACRS
ACRS
ALMU
ALMU
Q4 25
-3646.6%
-22.2%
Q3 25
-332.1%
-74.0%
Q2 25
-563.5%
Q1 25
-900.3%
Q4 24
Q3 24
Q2 24
-446.0%
Q1 24
-873.6%
Capex Intensity
ACRS
ACRS
ALMU
ALMU
Q4 25
8.6%
2.4%
Q3 25
0.7%
15.2%
Q2 25
1.2%
Q1 25
3.0%
Q4 24
0.0%
Q3 24
0.0%
Q2 24
0.5%
Q1 24
5.6%

Financial Flow Comparison

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

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