Cytokinetics Inc

CYTKPharmaceutical PreparationsNasdaq
Revenue (FY2025)$88.0M
Net margin-891.6%
Revenue growth+376.6%
Dividend / shareNone
Held by ETFs69
1 week-2.5%
1 month-7.4%
3 months-22.9%
6 months+1.0%
YTD-3.6%
1 year-1.1%
3 years*+24.5%
5 years*+11.3%
10 years*+20.2%

Total returns with dividends reinvested; * a year. Prices as of Oct 28, 2026 · filings through Jun 30, 2026 · page updated Nov 3, 2026

At a glance

Cytokinetics Inc is worth $8.52B. Revenue grew 376.6% to $88.0M in fiscal 2025, at a loss; over 5 years it has grown 9.5% a year. It pays no dividend. The stock returned −1.1% over the past year with dividends reinvested and +11.3% a year over five years, against +11.5% and +11.7% for the S&P 500. At its worst it fell 44.4% in the 2020 crash (S&P 500: 33.7%) and 35.3% in the 2022 bear market (S&P 500: 24.5%), and was back at its earlier high 1 month and 5 months after the lows.

The business in plain English

Cytokinetics develops drugs that act on muscle to treat heart and neuromuscular diseases. Its only approved product is MYQORZO (aficamten), a tablet for adults with symptomatic obstructive hypertrophic cardiomyopathy (oHCM). This is an inherited condition in which thickened heart muscle blocks blood leaving the heart. The drug eases the heart's excess squeezing. The FDA approved it in December 2025 with a required safety program because of a heart failure risk. It became available to prescribe around January 27, 2026. It is also approved in China and by the European Commission.

Fiscal 2025 revenue, earned before MYQORZO went on sale, was $88.0 million. About 90% ($79.4 million) was license and milestone revenue, meaning payments from partners for drug rights and for reaching agreed goals. The rest ($8.7 million) was collaboration revenue. In the U.S., the company markets MYQORZO through its own sales team. That team targets the roughly 10,000 cardiologists who diagnose and start treatment for most HCM patients. The company planned a European launch starting in Germany and licensed aficamten to Sanofi in China and Bayer in Japan.

Behind MYQORZO are drugs still in testing. They include aficamten for non-obstructive HCM (the ACACIA-HCM trial) and omecamtiv mecarbil for heart failure with severely reduced pumping (COMET-HF). Growth beyond oHCM depends on those results.

Price history

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CYTK -1.1% over the year to Oct 28, 2026, total return with dividends reinvested.

Prices through Oct 28, 2026. Total return: the price with dividends reinvested.

How it makes money

By product or service

License And Milestone Revenues$79.4M90.1%
Collaboration Revenues$8.7M9.9%
Fiscal year ended Dec 31, 2025, from the 10-K's XBRL data; shares of total revenue ($88.0M).

Latest results

  • In Q2 FY2026 (ended Jun 30, 2026), revenue was $28.6M, down 57.1% from a year earlier, and net income was $-198.8M.
  • For fiscal 2025, revenue was $88.0M (+376.6% year over year; +9.5% a year from FY2020 to FY2025) with a -891.6% net margin.

Financial health check

Revenue growth a year (FY2020–FY2025)+9.5% good
Operating margin-695.4% weak
Free cash flow margin-607.5% weak
Return on assets (FY2025)-55.1% weak
Net cash (cash minus debt)$1.43B good
Fiscal yearRevenueNet incomeFree cash flow
FY2020$55.8M$-127.3M$-2.1M
FY2021$70.4M$-215.3M$-191.4M
FY2022$94.6M$-389.0M$-310.9M
FY2023$7.5M$-526.2M$-415.7M
FY2024$18.5M$-589.5M$-399.8M
FY2025$88.0M$-785.0M$-534.8M

Cash returned to shareholders

  • Over FY2021–FY2025: $0.00 in buybacks and $0.00 in dividends.
  • The company pays no regular dividend.
  • Shares outstanding changed +65.7% from Nov 1, 2021 to Aug 4, 2026.

Valuation snapshot

Market value$8.52B
P/E ratio—
Dividend yieldNone
As of Oct 28, 2026.

Rank among 1514 US companies

Market value at each year end

End of 2016: $492.3M$492M2016End of 2017: $439.2M$439M2017End of 2018: $345.8M$346M2018End of 2019: $626.9M$627M2019End of 2020: $1.47B$1.5B2020End of 2021: $3.82B$3.8B2021End of 2022: $4.34B$4.3B2022End of 2023: $8.19B$8.2B2023End of 2024: $5.55B$5.6B2024End of 2025: $7.77B$7.8B2025Oct 28, 2026: $8.52B$8.5BNow
End of 2021: $3.82B$3.8B2021End of 2022: $4.34B$4.3B2022End of 2023: $8.19B$8.2B2023End of 2024: $5.55B$5.6B2024End of 2025: $7.77B$7.8B2025Oct 28, 2026: $8.52B$8.5BNow

Cytokinetics’s market value went from $492.3M at the end of 2016 to $8.52B on Oct 28, 2026, about 17.3 times as much; since the end of 2025 it is up 10%.

Show as a table
Year endMarket valueChange
Oct 28, 2026$8.52B+9.7%
2025$7.77B+39.9%
2024$5.55B-32.2%
2023$8.19B+88.8%
2022$4.34B+13.4%
2021$3.82B+161.0%
2020$1.47B+133.7%
2019$626.9M+81.3%
2018$345.8M-21.3%
2017$439.2M-10.8%
2016$492.3M
The year-end close times the shares outstanding on the latest 10-K or 10-Q cover before it. Changes in market value include new shares issued and shares bought back, so they differ from the stock’s return.

Price behavior

Volatility (1 year)42.3%annualized; the S&P 500 is usually 15–20%
Worst drop (1 year)-30.4%3 years: -72.4% · all history: -94.5%
Beta vs S&P 5000.86moves about with the market
Sharpe ratio (1 year)-0.12return above cash per unit of risk
Since price data starts+0.9%a year over 21.3 years
Total over 5 years+70%10 years: +529%
52-week range$59.19 – $87.26
Last price $61.28 on Oct 28, 2026, 29.8% below the 52-week high · below its 200-day average ($70.00).
YTD1 yr3 yr5 yr10 yr
CYTK price data to Oct 28, 2026-3.6%-1.1%+24.5%+11.3%+20.2%
Multi-year figures are annualized total returns with dividends reinvested, computed from daily prices.
-37%2007-40%20082%2009-28%2010-54%2011-31%201267%201323%201431%201516%2016-33%2017-22%201868%201996%2020119%20210.5%202282%2023-44%202435%2025-4%2026*
-33%2017-22%201868%201996%2020119%20210.5%202282%2023-44%202435%2025-4%2026*
Calendar-year total returns from price data, dividends reinvested (last 20 years; all in the table). * 2026 is year to date.
Show as a table
YearPrice data
2026 (to date)-3.6%
2025+35.1%
2024-43.7%
2023+82.2%
2022+0.5%
2021+119.3%
2020+95.8%
2019+67.9%
2018-22.4%
2017-32.9%
2016+16.2%
2015+30.6%
2014+23.2%
2013+67.4%
2012-31.3%
2011-54.1%
2010-28.2%
2009+2.1%
2008-39.8%
2007-36.8%
2006+14.4%
2008 financial crisis
stocks fell Oct 9, 2007 – Mar 9, 2009
Lost 70% over that stretch · deepest drop along the way 76.8%, back to its old high 151.1 months after the low
2020 COVID crash
stocks fell Feb 19, 2020 – Mar 23, 2020
Lost 37.1% over that stretch · deepest drop along the way 44.4%, back to its old high 1.3 months after the low
2022 bear market
stocks fell Jan 3, 2022 – Oct 12, 2022
Gained 4.3% over that stretch · deepest drop along the way 35.3%, back to its old high 4.8 months after the low

Insider activity

Form 4 filings from 2025-11-03 to 2026-11-03 (25 read): 0 open-market purchases and 19 sales ($14.3M), 19 of them under pre-arranged 10b5-1 trading plans.

DateInsiderTypeValue
Sep 15, 2026Robert I Blum President & CEO, Directorsell (plan)$6.8M
Jul 30, 2026Andrew Callos EVP, Chief Commercial Officersell (plan)$1.1M
Aug 31, 2026Andrew Callos EVP, Chief Commercial Officersell (plan)$702K
Jul 27, 2026Robert I Blum President & CEO, Directorsell (plan)$607K
Aug 10, 2026Robert I Blum President & CEO, Directorsell (plan)$576K

Who owns it

Large shareholders (13G filings)

T. Rowe Price Investment Management, Inc.14.5%Dec 31, 2025
Vanguard Capital Management5.21%Mar 31, 2026
Wellington Management Group LLP5.1%Jun 30, 2026
STATE STREET CORPORATION4.7%Sep 30, 2025
FMR LLC3.9%Jun 30, 2026

ETFs with the most weight in CYTK

GSC Goldman Sachs Small Cap Core Equity ETF0.57%
ETHO Amplify Etho Climate Leadership U.S. ETF0.31%
MIDE Xtrackers S&P MidCap 400 Scored & Screened ETF0.26%
BKSE BNY Mellon US Small Cap Core Equity ETF0.25%
STXK Strive Small-Cap ETF0.25%
TCAF T. Rowe Price Capital Appreciation Equity ETF0.21%
ISCG iShares Morningstar Small-Cap Growth ETF0.21%
VBK Vanguard Small Cap Growth ETF0.21%
Held by 69 ETFs in our database.

What could go wrong

  1. Business rests on one new drug. MYQORZO is the only approved product. If doctors, patients or insurers are slow to accept it, or the patient pool is smaller than the company estimates, revenue may stay small.
  2. Competing heart drugs could limit sales. Doctors may stick with rival heart-muscle drugs that reached the market first. Competitors could also develop cheaper, safer or more effective treatments, shrinking MYQORZO's share of patients.
  3. Key trials could fail. Expanding beyond oHCM hinges on studies such as ACACIA-HCM and COMET-HF. If they fail to show a drug is safe and effective, approvals could be delayed or never come.
  4. Heavy losses, debt and possible dilution. Cytokinetics lost $785.0 million in fiscal 2025 and says it will need substantial additional capital. Its loan terms restrict its operations, and issuing new shares or converting debt into stock could shrink owners' stakes.
  5. Relies on single-source outside manufacturers. Cytokinetics has no factories of its own. It relies on single-source contract manufacturers for MYQORZO and trial drugs, so a problem at one supplier could interrupt sales or studies.
  6. Insurers and pricing laws could cap revenue. Sales depend on insurers and government programs covering MYQORZO. Laws such as the Inflation Reduction Act may make Medicare coverage harder to win and limit the prices the company can charge.

Recent events

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  • Executive or board change

For income and retirement investors

Cytokinetics pays no dividend and made no share repurchases from fiscal 2021 through fiscal 2025. For an income investor, that means no regular payouts. The only way to draw cash from the holding is to part with shares. There are no profits to pay out: the company lost $785.0 million in fiscal 2025, and free cash flow (cash from operations minus capital spending) was negative $534.8 million. The share count rose about 66% between November 2021 and August 2026, spreading ownership more thinly.

The stock has also fallen hard in downturns. It dropped 76.8% from October 2007 to March 2009 and did not regain that peak until October 2021. It fell 44.4% in the 2020 COVID crash but recovered by late April 2020. It lost 35.3% in January 2022 before recovering in June 2022. Through October 28, 2026, its worst drop on record was 94.5%. Single stocks, especially those of one-drug companies, carry more risk than diversified funds.

Questions investors ask

Does Cytokinetics pay a dividend?

No. Cytokinetics paid no dividends and made no share repurchases from fiscal 2021 through fiscal 2025. The company is not profitable. It lost $785.0 million in fiscal 2025 while launching MYQORZO and funding research, and it has said it will need substantial additional capital. Returns depend entirely on the share price, so the stock offers no income stream for retirees who rely on regular payouts.

How does Cytokinetics make money?

Through fiscal 2025, almost entirely from partners. That year's revenue of $88.0 million was about 90% license and milestone payments and 10% collaboration revenue. Its first product, the heart drug MYQORZO, became available to prescribe around January 27, 2026. In the U.S., the company markets it with its own sales team aimed at about 10,000 cardiologists. It planned a European launch starting in Germany and licensed the drug to Sanofi for China and Bayer for Japan.

What is MYQORZO (aficamten)?

MYQORZO is Cytokinetics' first approved medicine, a tablet for adults with symptomatic obstructive hypertrophic cardiomyopathy (oHCM). In HCM the heart muscle thickens, and in the obstructive form it blocks blood leaving the heart. MYQORZO is a cardiac myosin inhibitor, meaning it reduces the heart's excess squeezing force. The FDA approved it in December 2025 with a required safety program because of a heart failure risk. China's regulator approved it in December 2025 and the European Commission in February 2026.

Is Cytokinetics profitable?

No. Cytokinetics lost money in every year from fiscal 2020 through fiscal 2025, including a net loss of $785.0 million on revenue of $88.0 million in fiscal 2025. In the quarter ended June 30, 2026, it lost $198.8 million on revenue of $28.6 million. On that date it held $1.70 billion in cash and investments against $275.6 million of debt. Even so, shareholders' equity was negative $173.5 million, because total liabilities exceeded total assets of $1.92 billion.

How has Cytokinetics stock performed?

Strongly over 10 years, but with big swings. As of October 28, 2026, the share price returned about 20.2% a year over 10 years, 11.3% a year over five years and 24.5% a year over three years, but fell 1.1% over one year. Calendar years swung from a 119.4% gain in 2021 to a 43.7% loss in 2024, then a 35.1% gain in 2025. In the three years to that date, the shares fell as much as 72.4% from a peak.

Sources

  • SEC company facts (XBRL financial data), filed Aug 6, 2026 — SEC EDGAR
  • 10-K annual report, filed Feb 26, 2026 — SEC EDGAR
  • Prices: daily prices and dividends through Oct 28, 2026

For education only, not investment advice. Past performance does not predict future results.