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Actinium Pharmaceuticals, Inc. (ATNM) stock

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NYSE: ATNM NYSE Biotechnology

Actinium Pharmaceuticals, Inc. is a US-listed company in the biotechnology industry. Its financial year ends in December.

Stock price today

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Third-party market data · may be delayed

Fair value per share

Under review: data-quality checks not passed.

Price vs value

Under review: data-quality checks not passed. We'll show the comparison once resolved.

Who’s trading

What company insiders, investment funds and members of Congress have been doing with the stock, from their own filings.

  • Funds10 adding, 32 cuttingOf 7 active managers that changed their stake, 1 added; quarter to June 30, 2026Fund buyers and sellers

Value diary

Our note on each quarter Actinium Pharmaceuticals files

Where Actinium Pharmaceuticals stands after its latest 10-Q

Actinium Pharmaceuticals has little or no product revenue yet; it used $23m of cash in the twelve months to June 2026. It passes 2 of our 2 financial-health checks.

Our model value for Actinium Pharmaceuticals is under review, so past values are not shown until it is resolved.

Source: 10-Q filed August 7, 2026 on SEC EDGAR · Financials · Valuation

Written from the company's filings and our models when each quarter's report arrives. Figures in older notes are as published at the time. Not investment advice.

The Fundamentalytics view

Current signal Results well ahead of expectations: Reported earnings per share beat the analysts' consensus estimate by 545% in the quarter to 2026-06-30, the 3rd beat in the last four quarters.

Assembled from SEC-filed figures — the full workings are on this page and in our methodology. Observations, not recommendations.

Strengths

  • Strong cash generation. 803.7% of revenue turned into free cash flow.
  • Net cash. Cash exceeds long-term debt by $0.0bn.

Things to watch

  • Revenue shrinking. Revenue fell 10.0% over the last 12 months.
  • Loss-making. Operating margin is -3311.1%: costs exceed revenue.
  • Margins narrowing. Operating margin is down 1128.9 points on a year ago.
  • Heavy stock-based pay. Stock pay equals 271.4% of revenue: a real cost that cash-flow figures leave out.
  • Volatile shares. Over the past year the shares showed annualised volatility of 73% and a beta of 0.4 against the S&P 500.
  • Weak cash conversion. Free cash flow was -200% of net income over the last 12 months.

Latest results: FY2026 Q2

Filed August 7, 2026
Earnings per share
$0.89 against an average estimate of -$0.20: beat by 545.0%
Revenue
$35m

Actinium Pharmaceuticals' figures from its SEC filings and results release; estimates are the analysts' average. Not a recommendation.

Price chart

  • 1 day-3.4%
  • 1 week+2.1%
  • 1 month+22.2%
  • This year+5.1%
  • 1 year0.0%
  • 5 years-83.8%
  • S&P 500 this year+11.2%

Closing prices to 2026-11-02. Price change only, dividends excluded.

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Third-party market data · may be delayed

At a glance

Trailing twelve months, from SEC filings

Profitability

EPS (TTM, diluted)
$0.36

Growth

Share count change
+0.3%

Cash

Free cash flow (TTM)
-$22.7M

Earnings

Last results
August 3, 2015

News & updates

Updated October 31, 2026

Company announcements, filed results and changes that matter to shareholders.

  1. Announcement
  2. Leadership
  3. Announcement

Refreshed hourly when new source data is available. Summaries are checked against company releases and SEC filings. Company announcement headlines are labelled when a checked summary is unavailable.

Fundamentalytics rating

model v1.6 · 2026-11-03

Not rated: data-quality checks not passed.

The inputs used by the models below have passed source checks. Individual model values are available below and in the interactive valuator. Their differences are shown explicitly; the platform combined value and recommendation remain withheld.

Valuation models

We value Actinium Pharmaceuticals, Inc. as an operating company, with every model that fits that kind of business. Cost of equity 10.6%: the 10-year Treasury yield (4.9%) plus a beta of 1.25 times a 4.5% equity risk premium.

Value per share by model
Model Value per share In the combined value?
Revenue-to-maturity model Revenue grown to maturity with the cash margin moving to the industry's; for companies not yet profitable. — Does not apply: This model is withheld pending its input or assumption review.
Price-to-earnings vs peers Earnings per share times peers' typical (harmonic-mean) price-to-earnings. ~$3.3 ~$2.7–$7.6 Included
Residual income Book value plus the present value of returns above the cost of equity, fading over ten years. — Does not apply: This model is withheld pending its input or assumption review.
Justified price-to-book Book value times (return on equity - growth) / (cost of equity - growth): steady-state returns. — Does not apply: This model is withheld pending its input or assumption review.
Price-to-sales vs peers Sales per share times peers' typical price-to-sales; used only when earnings are negative. — Does not apply: This model is withheld pending its input or assumption review.
Combined value Individual source-checked model scenarios are available. The platform combined value and recommendation remain withheld. — Combined value withheld. Review the individual models and their assumptions.

Different models fail in different ways, so where several apply we average them rather than trust one. Peer-based models compare Actinium Pharmaceuticals, Inc. with Biotechnology in our coverage, using third-party market data. Model values are estimates under stated assumptions, updated as new filings arrive; not price targets or investment advice. How each model works.

Valuation multiples over time Market data may be delayed

Actinium Pharmaceuticals, Inc.: market value and multiples by fiscal year
At fiscal year end 2021202220232025
Share price$6.01$10.65$5.08$1.36
Market value$124m$257m$135m$42m
+ Net debt (− = net cash)−$72m−$99m−$69m−$48m
Enterprise value$51m$158m$66m−$6m
Multiples
Price / sales 108.1xn/mn/mn/m
Price / earnings ————
Price / free cash flow —31.1x——
EV / EBITDA ————

Market value uses the period's diluted share count; figures for each fiscal year use that year's results and the price at year end. "Now" uses today's price and the last twelve months.

Moat

Not assessed: fewer than five years of comparable figures in the filings. AI disruption exposure for this industry: Medium.

A rules-based reading of reported figures, not a forecast and not investment advice. How the score is built: methodology.

Forecasts and guidance

Analysts' consensus

Actinium Pharmaceuticals, Inc.: consensus estimates
Fiscal yearEPSGrowthRevenueGrowth
Current $0.14 +113% $35m +38789%
Next −$0.53 −475% — −100%

How the EPS forecast has moved

The consensus EPS forecast for the current fiscal year is −115.4% on 90 days ago. In the last 30 days, 0 analysts raised Actinium Pharmaceuticals, Inc.'s forecast and 0 cut it.

Consensus EPS forecast Actinium Pharmaceuticals, Inc., last 90 days
−$1.00 −$0.50 $0.00 $0.50 90 days ago 60 days ago 30 days ago 7 days ago Now Current fiscal year, 90 days ago: −$0.91 Current fiscal year, 60 days ago: $0.14 Current fiscal year, 30 days ago: $0.14 Current fiscal year, 7 days ago: $0.14 Current fiscal year, Now: $0.14 $0.14 Next fiscal year, 90 days ago: −$0.35 Next fiscal year, 60 days ago: −$0.53 Next fiscal year, 30 days ago: −$0.53 Next fiscal year, 7 days ago: −$0.53 Next fiscal year, Now: −$0.53 −$0.53

Average of analysts' published estimates (third-party data).

View chart data
Period Current fiscal yearNext fiscal year
90 days ago −$0.91−$0.35
60 days ago $0.14−$0.53
30 days ago $0.14−$0.53
7 days ago $0.14−$0.53
Now $0.14−$0.53

Earnings against estimates

Actinium Pharmaceuticals, Inc.: reported EPS against the consensus estimate
Quarter toEstimateActualSurprise
Jun 2026 −$0.20 $0.89 +545.0%
Mar 2026 −$0.22 −$0.18 +18.2%
Dec 2025 −$0.19 −$0.19 −1.8%
Sept 2025 −$0.32 −$0.16 +50.5%

Adjusted EPS as companies report it, against the average analyst estimate.

Management guidance

Earnings release, August 3, 2015

No numeric guidance in Actinium Pharmaceuticals, Inc.'s latest earnings release (filed August 3, 2015). Some companies give their outlook only on the earnings call.

Analyst recommendations

3 analysts, Oct 2026
Buy3100%
Hold00%
Sell00%

Monthly trend

  1. Oct 2026123
  2. Sep 20261214
  3. Aug 20261214

Counts of recommendations published by analysts covering Actinium Pharmaceuticals, Inc., by month. Source: Aggregated broker recommendations (third-party data). Aggregated counts only: we do not reproduce any firm's recommendation or price target, and these are not Fundamentalytics ratings.

Positioning

Short interest
2.0%
of tradable shares
Days to cover
5.94
at average volume
Short interest, 1 month
−11%
to October 15, 2026
Held by institutions
17%
of shares
Held by insiders
1.9%
of shares
Employees
27
full time

Consensus figures average analysts' published estimates (third-party data); guidance is the company's own. Neither is our forecast. Short interest is reported twice a month and lags. Market data may be delayed.

This section is general information, not investment advice or a personal recommendation, and it does not take account of your objectives or circumstances. Forecasts and guidance are estimates, not promises: companies miss their own guidance and analysts' figures are often revised. Prices can fall as well as rise, and you can lose money. See our disclaimer.

Share-price performance

Market data may be delayed

Return and risk by year

Actinium Pharmaceuticals, Inc.: yearly return, monthly win rate and worst fall against the S&P 500
Calendar year 202120222023202420252026 to date
Return
ATNM−23%+77%−52%−75%+8%+5%
Industry peers (median)−36%−57%−17%−28%−5%−27%
S&P 500+29%−18%+26%+25%+18%+11%
Months that ended higher
ATNM42%42%17%25%33%55%
S&P 50075%42%67%75%75%46%
Largest fall from a high during the year
ATNM−41%−34%−72%−89%−39%−51%
S&P 500−5%−25%−10%−8%−19%−9%

Worst fall since November 2, 2015: 99% from January 4, 2016 to August 5, 2026. Getting back needed a 13518% gain, and the shares have not yet recovered.

Price behaviour

52-week range
$0.75 – $1.69
From 52-week high
−15.4%
vs 50-day average
+19.3%
vs 200-day average
+27.6%
Volatility (1 year)
73%
Beta vs S&P 500
0.44

Volatility is the annualised standard deviation of daily returns. Beta 1.5 means the shares typically moved 1.5% for each 1% move in the S&P 500 over the past year. Prices to November 2, 2026.

Fundamentals

Revenue (TTM) Actinium Pharmaceuticals, Inc.
$0 $500K $1M $1.5M FY12 Q1 FY12 Q3 FY22 Q1 FY22 Q4 Revenue (TTM), FY12 Q1: $0 Revenue (TTM), FY12 Q2: $0 Revenue (TTM), FY12 Q3: $0 Revenue (TTM), FY21 Q4: $1.1M Revenue (TTM), FY22 Q1: $1.5M Revenue (TTM), FY22 Q2: $1.2M Revenue (TTM), FY22 Q3: $1.1M Revenue (TTM), FY22 Q4: $1M $1M

Source: SEC EDGAR filings. Retrieved November 1, 2026.

View chart data
Period Revenue (TTM)
FY12 Q1 $0
FY12 Q2 $0
FY12 Q3 $0
FY21 Q4 $1.1M
FY22 Q1 $1.5M
FY22 Q2 $1.2M
FY22 Q3 $1.1M
FY22 Q4 $1M
Operating margin (TTM) Actinium Pharmaceuticals, Inc.
-4000% -3000% -2000% -1000% 0% FY21 Q4 FY22 Q1 FY22 Q2 FY22 Q3 FY22 Q4 Operating margin (TTM), FY21 Q4: -2182.2% Operating margin (TTM), FY22 Q1: -1693.3% Operating margin (TTM), FY22 Q2: -2218.5% Operating margin (TTM), FY22 Q3: -2930.8% Operating margin (TTM), FY22 Q4: -3311.1% -3311.1%

Source: SEC EDGAR filings. Retrieved November 1, 2026.

View chart data
Period Operating margin (TTM)
FY21 Q4 -2182.2%
FY22 Q1 -1693.3%
FY22 Q2 -2218.5%
FY22 Q3 -2930.8%
FY22 Q4 -3311.1%
FCF margin (TTM) Actinium Pharmaceuticals, Inc.
-2000% -1000% 0% 1000% 2000% FY21 Q4 FY22 Q1 FY22 Q2 FY22 Q3 FY22 Q4 FCF margin (TTM), FY21 Q4: -1835.6% FCF margin (TTM), FY22 Q1: -1446.0% FCF margin (TTM), FY22 Q2: 898.6% FCF margin (TTM), FY22 Q3: 1046.5% FCF margin (TTM), FY22 Q4: 803.7% 803.7%

Source: SEC EDGAR filings. Retrieved November 1, 2026.

View chart data
Period FCF margin (TTM)
FY21 Q4 -1835.6%
FY22 Q1 -1446.0%
FY22 Q2 898.6%
FY22 Q3 1046.5%
FY22 Q4 803.7%

Data: SEC EDGAR XBRL company facts (as filed in 10-K/10-Q); forms 10-K, 10-Q, 10-Q/A. Generated November 3, 2026. Definitions in our methodology.

Financial statements

US$ millions unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Actinium Pharmaceuticals, Inc.: annual financial statements
Fiscal year 2010 Dec 2010 2011 Dec 2011 2021 Dec 2021 2022 Dec 2022 2023 Dec 2023 2025 Dec 2025
Income
Revenue 0 0 1 1 0 0
Gross profit 0 0 0 — — —
EBITDA — −3 −24 −33 −52 −36
Operating income −0 −3 −25 −34 −52 −36
Net income −0 −3 −25 −33 −49 −34
Diluted EPS $0.01 −$129.00 −$1.20 −$1.37 −$1.83 −$1.09
Growth (year on year)
Revenue — — — −10.0% −92.1% +11.1%
Diluted EPS — <−999% — — — —
Margins
Gross margin — — 21.3% — — —
EBITDA margin — — <−999% <−999% <−999% <−999%
Operating margin — — <−999% <−999% <−999% <−999%
Net margin — — <−999% <−999% <−999% <−999%
Free-cash-flow margin — — <−999% 803.7% <−999% <−999%
Cash flow
Cash from operations 0 −1 −21 9 −47 −25
Capital spending — — 0 0 0 0
Free cash flow — — −21 8 −47 −25
Stock-based pay 0 2 2 3 4 9
Free cash flow after stock pay — — −23 5 −51 −34
Balance sheet
Cash 0 6 78 109 77 48
Total debt 0 0 6 10 8 0
Net debt (negative = net cash) −0 −6 −72 −99 −69 −48
Diluted shares — — 21m 24m 27m 31m

Source: SEC EDGAR XBRL company facts (US and foreign periodic filings); column headings link to the filing. EBITDA is operating income plus depreciation and amortisation. Free cash flow is cash from operations minus capital spending. Growth is left blank when last year's figure was a loss or under 2% of revenue. Share counts and EPS are restated for stock splits. A dash means the company didn't report the figure.

Financial health

2 of 2 checks passed · June 30, 2026
What it owns · $40m
Short-term assets $38mLonger-term assets $2m
What it owes, and who funded it · $40m
Short-term liabilities $9mLonger-term liabilities $1mShareholders' equity $30m
  • Short-term assets cover short-term liabilities $38m of assets due within a year against $9m of liabilities due within a year.
  • Short-term assets cover long-term liabilities $38m short-term assets against $595,000 of longer-dated liabilities.
  • More cash than debt Cash or debt not separately reported. Not assessable.
  • Debt below 40% of shareholders' equity Equity or debt not reported. Not assessable.
  • Debt burden no higher than five years ago Five-year comparison not available. Not assessable.
  • A year's operating cash flow covers at least 20% of debt Cash flow or debt not reported. Not assessable.
  • Operating profit covers interest at least five times over Interest not separately reported. Not assessable.

From Actinium Pharmaceuticals, Inc.'s latest balance sheet as filed. Checks are fixed, documented rules (methodology), counted only where the company reports the figures — a dot means the filing doesn't break the item out. Descriptions of reported data, not advice.

Dividends, buybacks and capital spending

Diluted share count
+0.3%
year over year

Competitors: side by side with peers

Closest by revenue in biotechnology
Growth, margins and cash generation against peers
Last 12 months unless stated ATNM STTK MNOV LGVN DARE RNAC Median
Revenue, last 12 months $1m $1m $920481 $1m $1m $1m $55m
Revenue growth, last 12 months −10.0% −66.6% 875.7% −42.7% >999% 44.0% 12.2%
Revenue growth, 3-year average — 5.2% — 10.4% — −68.8% 13.7%
Revenue growth, latest quarter −100.0% −66.6% 240.6% −9.2% 499.6% −100.0% 10.2%
Gross margin — — 100.0% 69.8% — — 82.9%
Operating margin <−999% <−999% <−999% <−999% −813.4% <−999% −191.1%
Operating margin, 3-year average — <−999% −905.8% <−999% >999% <−999% −363.5%
Net margin <−999% <−999% <−999% <−999% −804.4% <−999% −172.8%
Cash from operations / revenue 839.2% <−999% −989.7% <−999% −826.8% <−999% −162.3%
Free-cash-flow margin 803.7% <−999% −991.2% <−999% −860.6% <−999% −156.7%
Free-cash-flow margin, 3-year average — <−999% <−999% <−999% >999% <−999% −310.0%
Stock pay / revenue 271.4% 853.2% 100.3% 132.8% 110.0% 625.6% 20.7%
Change in share count 0.3% 15.3% 0.2% — 62.5% 143.3% 8.1%

Median of all 185 companies we cover in biotechnology. Shaded: best of the six on that line (lowest for stock pay and share-count growth). 3-year figures average the last three 12-month periods; 3-year growth is compound annual. Source: SEC filings.

Reported value
$5.2M
Institutions reporting
46
Shares held vs prior quarter
▼ 0.2%
Positions opened / closed
4 / 12

Top buyers and sellers, Q2 2026: 10 institutions bought and 32 sold ; the biggest buyer was Bluespring Wealth Management, LLC (+43K shares) and the biggest seller Acadian Asset Management LLC (−105K). See which funds bought and sold →

Largest reported holders, June 30, 2026
Manager Value Shares Share of 13F value Shares QoQ
Vanguard Capital Management LLC $1.2M 1.2M 23.4% ▼ 1.4%
Compass Financial Management LLC $588,225 600K 11.3% —
Millennium Management LLC $504,288 515K 9.7% ▼ 8.9%
Acadian Asset Management LLC $485,000 496K 9.4% ▼ 17.4%
Blackrock, Inc. $387,978 396K 7.5% ▲ 6.7%
Renaissance Technologies LLC $372,881 380K 7.2% ▼ 19.3%
Geode Capital Management, LLC $318,553 325K 6.1% ▼ 3.3%
Two Sigma Investments, LP $253,995 259K 4.9% ▼ 23.1%
Gagnon Securities LLC $178,499 182K 3.4% ▼ 9.5%
Vanguard Fiduciary Trust Co $158,295 162K 3.1% ▲ 0.8%
State Street Corp $119,771 122K 2.3% ▼ 3.2%
Gen-Wealth Partners Inc $103,009 105K 2.0% ▼ 1.9%

From Form 13F filings with the SEC ( quarterly data sets), as reported by each manager for June 30, 2026 and filed up to 45 days later. 13F reports cover long US-listed positions of managers above $100M only, so this is not Actinium Pharmaceuticals, Inc.'s complete shareholder register. Values are as reported by the filers .

Insider trading activity

Full insider history and chart

No open-market insider trades reported in the last 12 months.

From insiders' Form 4 filings with the SEC. Excludes awards, option exercises and shares withheld for tax. "Pre-set plan" means the filing marks the trade as made under a Rule 10b5-1 plan. See every insider trade since five years ago, on a price chart.

Earnings dates and SEC filings

Results announcements

  • August 3, 2015

Recent SEC filings

Data status

When each part of this page on Actinium Pharmaceuticals, Inc. was last updated.

DataLast updatedSource
Share priceExchange closing prices
Financial statementsSEC 10-K and 10-Q filings
News and updatesCompany releases and SEC 8-K filings
Analyst estimatesAggregated analyst estimates
Valuation and scoresOur models, from the filed figures

How we build and check these figures: methodology and data sources.

Actinium Pharmaceuticals, Inc. in brief

What does Actinium Pharmaceuticals, Inc. do?
Actinium Pharmaceuticals, Inc. is a US-listed company in the biotechnology industry. Its financial year ends in December.
What is Actinium Pharmaceuticals, Inc.'s stock ticker?
Actinium Pharmaceuticals, Inc. trades under the ticker ATNM on NYSE. This page brings together its financial statements, valuation models, ownership and recent company updates.
Who are Actinium Pharmaceuticals, Inc.'s largest institutional shareholders?
By value reported in 13F filings for June 30, 2026, the largest reported holders are Vanguard Capital Management LLC, Compass Financial Management LLC and Millennium Management LLC. 13F reports cover long US-listed positions of managers above $100M, filed up to 45 days after quarter end.
What is Actinium Pharmaceuticals, Inc.'s market cap?
On December 31, 2025, Actinium Pharmaceuticals, Inc.'s market capitalisation was about $42.4M and net debt of -$48M. Market figures come from third-party market data and may be delayed.
Who are Actinium Pharmaceuticals, Inc.'s competitors?
In our Biotechnology peer group, the companies closest to Actinium Pharmaceuticals, Inc. are Shattuck Labs, Inc., Medicinova Inc, Longeveron Inc., Dare Bioscience, Inc. and Cartesian Therapeutics, Inc. The side-by-side comparison below sets their revenue, margins and growth against Actinium Pharmaceuticals, Inc.'s.