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Aktis Oncology, Inc. (AKTS) stock

AKTSNasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 12, 2026
$16.28−0.76 (-4.46%)

Close on Nov 12, 2026Market cap $905.49MP/E –Yield –

Key statistics

Valuation at the latest close; fundamentals over fiscal , balances at Sep 30, 2026

Valuation

Market cap
$905.49M
P/E ratio
–
Price to sales
–
Price to book
1.97
Dividend yield
–
Free cash flow yield
–

Fundamentals

Book value per share
$8.25
Diluted shares
56M

Trading

Previous close
$17.04
Open
$16.99
Day's range
$16.27 – $16.99
Volume
245,510
Average volume (20 days)
347,615
Index membership
Russell 2000 (since Mar 2026), Russell 3000 (since Feb 2026)
52-week range
$13.96 – $34.19
RSI (14 days)
46.2
Volatility (1 year)
67.7%
Relative volume
0.66×

On 1 of our idea list: More cash than they're worth

Index membership is inferred from the holdings of funds that track each index (IWM, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.

PeriodAKTSS&P 500DifferenceAKTS per yearS&P 500 per year
1 month-6.1%-2.7%−3.4 pts
3 months-32.2%-1.7%−30.4 pts
Year to date+40600.0%+11.9%+40588.1 pts
1 year+40600.0%+12.0%+40588.0 pts

Two years at a glance

Fiscal years 2024 to 2025, USD

Reported period

Press releases

Releases Aktis Oncology filed with the SEC as exhibits to Form 8-K or 6-K

About Aktis Oncology

Pharmaceutical Preparations

Aktis Oncology, Inc. is a clinical-stage biopharmaceutical company that develops targeted radiopharmaceuticals to treat solid tumors. The company utilizes a proprietary miniprotein radioconjugate platform to bind radioisotope payloads, such as alpha-emitting actinium-225, to cancer cells while rapidly clearing normal tissues. Its lead product candidate, [225Ac]Ac-AKY-1189, targets Nectin-4-expressing cancers, including urothelial cancer and other solid tumors such as lung, breast, colorectal, and cervical malignancies. Another candidate in development, [225Ac]Ac-AKY-2519, targets B7-H3-expressing tumors such as prostate and lung cancers. The company also maintains early-stage discovery programs and a research collaboration with Eli Lilly. Its target patients are individuals diagnosed with solid tumor cancers expressing these specific tumor markers.

Company profile, executives and history

Aktis Oncology stock: common questions

What is Aktis Oncology's stock price?

AKTS closed at $16.28 on Nov 12, 2026, down 4.46% on the day. Over the past 52 weeks it traded between $13.96 and $34.19.

What is Aktis Oncology's market cap?

Aktis Oncology was worth $905.49M at the close on Nov 12, 2026: the share price times the diluted shares outstanding.

Does Aktis Oncology pay a dividend?

No. Aktis Oncology has not paid a cash dividend over the last twelve months.

How has AKTS stock performed over the past year?

Including dividends, AKTS returned +40600.0% over the past year, against +12.0% for the S&P 500.

How many AKTS shares are sold short?

4M shares were sold short at the latest FINRA report, 15.79% of the float, or 16.0 days of average trading volume.

Who are Aktis Oncology's competitors?

Companies most similar to Aktis Oncology by business, industry and size include ATNM, CLRB, PYXS, MRKR, PRLD.

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