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Side-by-side financial comparison of Actinium Pharmaceuticals, Inc. (ATNM) and SELLAS Life Sciences Group, Inc. (SLS). Click either name above to swap in a different company.

Actinium Pharmaceuticals, Inc. is the larger business by last-quarter revenue ($90.0K vs $79.0K, roughly 1.1× SELLAS Life Sciences Group, Inc.). Actinium Pharmaceuticals, Inc. runs the higher net margin — -5701.1% vs -12108.9%, a 6407.7% gap on every dollar of revenue.

Actinium Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical firm focused on developing targeted radiotherapies for oncology patients with unmet medical needs, covering hematologic cancers and solid tumors. Its pipeline uses antibody radiation conjugate technology to deliver precise cancer treatment while minimizing harm to healthy tissue.

SELLAS Life Sciences Group, Inc. is a late-stage clinical biopharmaceutical company focused on developing innovative cancer immunotherapies for patients with unmet medical needs. Its core pipeline targets both hematological malignancies and solid tumors, with lead product candidates addressing indications like acute myeloid leukemia, primarily serving markets across North America.

ATNM vs SLS — Head-to-Head

Bigger by revenue
ATNM
ATNM
1.1× larger
ATNM
$90.0K
$79.0K
SLS
Higher net margin
ATNM
ATNM
6407.7% more per $
ATNM
-5701.1%
-12108.9%
SLS

Income Statement — Q3 FY2025 vs Q1 FY2024

Metric
ATNM
ATNM
SLS
SLS
Revenue
$90.0K
$79.0K
Net Profit
$-5.1M
$-9.6M
Gross Margin
Operating Margin
-6324.4%
-12208.9%
Net Margin
-5701.1%
-12108.9%
Revenue YoY
Net Profit YoY
55.6%
13.8%
EPS (diluted)
$-0.16
$-0.21

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
ATNM
ATNM
SLS
SLS
Q3 25
$90.0K
Q1 24
$927.0K
$79.0K
Q4 23
$1.0M
Q3 23
$1.1M
Q2 23
$461.0K
Q1 23
$547.0K
Q4 22
$0
Q3 22
$45.0K
Net Profit
ATNM
ATNM
SLS
SLS
Q3 25
$-5.1M
Q1 24
$-8.7M
$-9.6M
Q4 23
Q3 23
$-13.3M
Q2 23
$-15.2M
Q1 23
$-11.0M
Q4 22
$-10.6M
Q3 22
$-9.5M
Operating Margin
ATNM
ATNM
SLS
SLS
Q3 25
-6324.4%
Q1 24
-1035.3%
-12208.9%
Q4 23
Q3 23
-1335.0%
Q2 23
-3393.1%
Q1 23
-2117.7%
Q4 22
Q3 22
-21775.6%
Net Margin
ATNM
ATNM
SLS
SLS
Q3 25
-5701.1%
Q1 24
-935.3%
-12108.9%
Q4 23
Q3 23
-1235.0%
Q2 23
-3293.1%
Q1 23
-2017.7%
Q4 22
Q3 22
-21053.3%
EPS (diluted)
ATNM
ATNM
SLS
SLS
Q3 25
$-0.16
Q1 24
$-0.31
$-0.21
Q4 23
Q3 23
$-0.49
Q2 23
$-0.58
Q1 23
$-0.43
Q4 22
$-0.43
Q3 22
$-0.38

Balance Sheet & Financial Strength

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

Metric
ATNM
ATNM
SLS
SLS
Cash + ST InvestmentsLiquidity on hand
$53.4M
$18.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$13.8M
$9.7M
Total Assets
$56.2M
$24.4M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATNM
ATNM
SLS
SLS
Q3 25
$53.4M
Q1 24
$84.1M
$18.4M
Q4 23
$76.7M
Q3 23
$83.0M
Q2 23
$91.3M
Q1 23
$94.5M
Q4 22
$108.9M
Q3 22
$111.8M
Stockholders' Equity
ATNM
ATNM
SLS
SLS
Q3 25
$13.8M
Q1 24
$43.9M
$9.7M
Q4 23
$36.4M
Q3 23
$43.6M
Q2 23
$53.1M
Q1 23
$57.2M
Q4 22
$66.5M
Q3 22
$71.3M
Total Assets
ATNM
ATNM
SLS
SLS
Q3 25
$56.2M
Q1 24
$88.4M
$24.4M
Q4 23
$81.4M
Q3 23
$88.9M
Q2 23
$99.1M
Q1 23
$102.0M
Q4 22
$114.2M
Q3 22
$116.8M

Cash Flow & Capital Efficiency

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

Metric
ATNM
ATNM
SLS
SLS
Operating Cash FlowLast quarter
$-6.3M
$-10.8M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATNM
ATNM
SLS
SLS
Q3 25
$-6.3M
Q1 24
$-7.4M
$-10.8M
Q4 23
$-47.3M
Q3 23
$-11.1M
Q2 23
$-13.6M
Q1 23
$-15.1M
Q4 22
$-7.8M
Q3 22
$-5.7M
Free Cash Flow
ATNM
ATNM
SLS
SLS
Q3 25
Q1 24
$-7.4M
Q4 23
$-47.5M
Q3 23
$-11.2M
Q2 23
$-13.7M
Q1 23
$-15.2M
Q4 22
$-7.8M
Q3 22
$-5.8M
FCF Margin
ATNM
ATNM
SLS
SLS
Q3 25
Q1 24
-796.7%
Q4 23
-4660.3%
Q3 23
-1037.7%
Q2 23
-2969.6%
Q1 23
-2770.2%
Q4 22
Q3 22
-12862.2%
Capex Intensity
ATNM
ATNM
SLS
SLS
Q3 25
Q1 24
1.2%
Q4 23
15.0%
Q3 23
2.8%
Q2 23
10.2%
Q1 23
13.9%
Q4 22
Q3 22
162.2%

Financial Flow Comparison

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

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