Company profile / CYTK

Cytokinetics

Clinaptis stanceNeutral
ConvictionLow
Ticker
CYTK
Exchange
NASDAQ
Coverage
Standard profile
Updated
Sep 11, 2026
Cardiovascular / Muscle Biology

Commercial-stage cardiovascular biopharmaceutical company developing small molecules that modulate cardiac and skeletal muscle function. Its franchise is anchored by MYQORZO (aficamten), a cardiac myosin inhibitor approved for symptomatic obstructive hypertrophic cardiomyopathy, with positive Phase 3 data supporting expansion into non-obstructive HCM.

01 / Clinaptis view

The current read

Initial read: evidence-positive, valuation-constrained. ACACIA-HCM gives FDA a clean statistical case in symptomatic non-obstructive HCM, but the trial settles the regulatory question more convincingly than the commercial one.

  1. At Week 36, KCCQ-CSS improved by 11.4 points with aficamten versus 8.4 with placebo, a 3.0-point treatment difference, while peak oxygen consumption increased by 0.64 mL/kg/min versus a 0.03 decline, a 0.67 mL/kg/min difference. The 53% versus 13% multi-domain responder analysis makes the totality of benefit more persuasive, but it is a secondary framing around modest absolute primary-endpoint effects and a large placebo response.
  2. The obstructive-HCM launch is credible but still early: of $25.3 million in 2Q26 product revenue, $23.0 million was U.S. revenue and $2.3 million reflected initial German distributor purchases; approximately 1,500 patients had been dispensed MYQORZO cumulatively, not necessarily remained on treatment. At $75.20 per share and 139.0 million shares outstanding, the September 11 equity value was approximately $10.45 billion.
  3. After June cash and reported borrowings, headline enterprise value was approximately $9.9 billion and moves toward $10.6 billion when reported royalty and revenue-participation liabilities are included. The stock therefore needs meaningful obstructive-HCM share and a commercially relevant non-obstructive-HCM market.
  4. That outcome is achievable, but it is being underwritten as the base case rather than offered as inexpensive optionality.
02 / Consensus gap

Where the market may differ

The easy conclusion is that the first positive Phase 3 trial in non-obstructive HCM creates a franchise doubler. The harder question is whether a statistically approvable label becomes a widely used product when the placebo-adjusted KCCQ-CSS gain was 3.0 points, the peak-VO2 gain was 0.67 mL/kg/min and treatment still requires echocardiographic monitoring and a REMS.

  1. LVEF below 50% occurred in 10.5% of aficamten-treated participants versus 0.8% on placebo, although most affected patients completed treatment at the same or a lower dose; two aficamten patients had serious heart-failure events associated with LVEF below 50%. In obstructive HCM, MYQORZO is entering an expanding class rather than simply taking a fixed pool from CAMZYOS, which generated $416 million globally in 2Q26.
  2. The next quarterly launch print is therefore more informative than the largely expected Q4 sNDA submission. Clinaptis would hold the thesis to U.S. revenue excluding stocking, active and persistent patients rather than cumulative dispenses, paid-prescription conversion and independently corroborated new-to-brand share.
  3. Approval can be probable while commercial scale remains the disputed inference.
Coverage state
Standard profile
What the review turns on
Key variable

Whether U.S. demand, paid conversion and treatment persistence establish a durable obstructive-HCM launch before a monitored non-obstructive-HCM label is asked to support the next leg of franchise value

Next catalyst

MYQORZO · 3Q26 U.S. demand, paid-conversion and persistence metrics · next quarterly results, date not yet confirmed; Aficamten · Supplemental NDA submission for symptomatic non-obstructive HCM · Q4 2026

03 / Pipeline

Key programs

4 assets · 5 programs

AssetIndicationStageNext event
MYQORZO (aficamten)
Obstructive hypertrophic cardiomyopathy
Commercial
3Q26 U.S. revenue excluding stocking, active-patient persistence and paid-prescription conversion; continued international approvals and launches
Aficamten
Non-obstructive hypertrophic cardiomyopathy
Positive Phase 3 / sNDA preparation
Supplemental NDA submission planned in Q4 2026; FDA filing acceptance and review designation would follow, with timing inferred around Q1 2027
Pediatric and Japanese hypertrophic cardiomyopathy
Phase 3 / clinical expansion
Japan ACACIA-HCM cohort and CAMELLIA-HCM trial completion expected in Q3 2026; CEDAR-HCM adolescent cohort enrolled
Omecamtiv mecarbil
Heart failure with severely reduced ejection fraction
Phase 3
COMET-HF enrollment continuing through 2026
Ulacamten
Heart failure with preserved ejection fraction
Phase 2
AMBER-HFpEF Cohort 1 enrollment completion expected in 2H 2026
04 / Connected research

Published on CYTK

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