Stocks › CYTK
CYTOKINETICS INC
CYTK·Nasdaq·
United States·USD
United States·USD$61.35
-1.35 (-2.15%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
CYTK
CYTOKINETICS INC · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
CYTKS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of CYTK by members of U.S. Congress · 4 on record · 2 in the last 12 months
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
 Gilbert Ray Cisneros, Jr.House · D · CA |
CYTKCYTOKINETICS INC · Stock |
Purchase $1,001 - $15,000 |
Jul 2, 2026 | Jun 30, 2026 | Filing ↗ |
| Gilbert Ray Cisneros, Jr.House · D · CA |
CYTKCYTOKINETICS INC · Stock |
Purchase $1,001 - $15,000 |
Nov 18, 2025 | Oct 9, 2025 | Filing ↗ |
 Lisa C. McClainHouse · R · MI |
CYTKCYTOKINETICS INC · Stock |
Sale $1,001 - $15,000 |
Aug 13, 2025 | Jun 17, 2025 | Filing ↗ |
| Lisa C. McClainHouse · R · MI |
CYTKCYTOKINETICS INC · Stock |
Purchase $1,001 - $15,000 |
Aug 13, 2025 | Jun 11, 2025 | Filing ↗ |
Whale Activity
Position changes in CYTK reported for 2026-06-30 by 15 tracked institutional filers
- Increased9
- New0
- Held1
- Decreased1
- Closed0
- No prior filing4
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 20.1M | $1.71B | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.7M | $571.8M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.1M | $521.2M | increased |
| Point72 Asset Management, L.P. | 1.6M | $135.3M | increased |
| D. E. Shaw & Co., Inc. | 1.0M | $89.3M | increased |
| Royalty Pharma Sub-Manager, LLC | 980.4K | $83.5M | held |
| CITADEL ADVISORS LLC | 640.9K | $54.6M | decreased |
| Affinity Asset Advisors, LLC | 550.0K | $46.9M | — |
| TWO SIGMA INVESTMENTS, LP | 317.4K | $27.0M | increased |
| TWO SIGMA INVESTMENTS, LP | 15.8M | $26.8M | increased |
| Seven Fleet Capital Management LP | 118.2K | $10.1M | — |
| MILLENNIUM MANAGEMENT LLC | 109.7K | $9.3M | increased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by CYTK insiders, by quarter · Form 4
Recent Insider Transactions
2,364 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Malik Fady IbrahamEVP Research & Development | Sale | −3,500 | $61.38 | $215K | Oct 6, 2026 | Form 4 ↗ |
| Blum Robert IPresident & CEO · Director | Sale | −7,500 | $65.46 | $491K | Sep 28, 2026 | Form 4 ↗ |
| Malik Fady IbrahamEVP Research & Development | Sale | −3,500 | $68.29 | $239K | Sep 22, 2026 | Form 4 ↗ |
| Landry Robert EDirector · Director | Sale | −1,000 | $72.13 | $72K | Sep 15, 2026 | Form 4 ↗ |
| Blum Robert IPresident & CEO · Director | Sale | −97.9K | $69.33 | $6.8M | Sep 15, 2026 | Form 4 ↗ |
| Blum Robert IPresident & CEO · Director | Sale | −7,500 | $73.44 | $551K | Sep 14, 2026 | Form 4 ↗ |
| Landry Robert EDirector · Director | Sale | −1,000 | $74.66 | $75K | Sep 11, 2026 | Form 4 ↗ |
| Malik Fady IbrahamEVP Research & Development | Sale | −3,500 | $75.46 | $264K | Sep 8, 2026 | Form 4 ↗ |
| PARSHALL B LYNNEDirector · Director | Sale | −5,000 | $71.48 | $357K | Sep 1, 2026 | Form 4 ↗ |
| Callos AndrewEVP, Chief Commercial Officer | Sale | −10.0K | $70.24 | $702K | Aug 31, 2026 | Form 4 ↗ |
| Blum Robert IPresident & CEO · Director | Sale | −7,500 | $70.24 | $527K | Aug 31, 2026 | Form 4 ↗ |
| Malik Fady IbrahamEVP Research & Development | Sale | −3,500 | $75.82 | $265K | Aug 18, 2026 | Form 4 ↗ |
| Blum Robert IPresident & CEO · Director | Sale | −7,500 | $76.76 | $576K | Aug 10, 2026 | Form 4 ↗ |
| Callos AndrewEVP, Chief Commercial Officer | Sale | −14.0K | $79.88 | $1.1M | Jul 30, 2026 | Form 4 ↗ |
| Blum Robert IPresident & CEO · Director | Sale | −7,500 | $80.87 | $607K | Jul 27, 2026 | Form 4 ↗ |
| Malik Fady IbrahamEVP Research & Development | Sale | −3,500 | $80.59 | $282K | Jul 21, 2026 | Form 4 ↗ |
| Blum Robert IPresident & CEO · Director | Sale | −7,490 | $82.02 | $614K | Jul 13, 2026 | Form 4 ↗ |
| Blum Robert IPresident & CEO · Director | Sale | −10 | $82.02 | $820 | Jul 13, 2026 | Form 4 ↗ |
| Malik Fady IbrahamEVP Research & Development | Sale | −3,500 | $86.62 | $303K | Jul 7, 2026 | Form 4 ↗ |
| Blum Robert IPresident & CEO · Director | Sale | −7,500 | $84.92 | $637K | Jul 1, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding CYTK · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| T. Rowe Price Capital Appreciation Fund T. ROWE PRICE CAPITAL APPRECIATION FUND, INC. | 6.3M | $535.5M | 0.76% | Jun 30, 2026 |
| iShares Core S&P Mid-Cap ETF iShares Trust | 4.6M | $395.8M | 0.32% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 4.3M | $367.5M | 0.02% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 3.4M | $289.2M | 0.35% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 3.1M | $265.3M | 0.14% | Jun 30, 2026 |
| VANGUARD HEALTH CARE FUND VANGUARD SPECIALIZED FUNDS | 3.3M | $257.7M | 0.68% | Jul 31, 2026 |
| SMALLCAP World Fund Inc | 3.0M | $255.3M | 0.27% | Jun 30, 2026 |
| Fidelity OTC Portfolio Fidelity Securities Fund | 2.3M | $175.1M | 0.41% | Jul 31, 2026 |
| T. Rowe Price Mid-Cap Growth Fund, Inc. | 2.0M | $168.0M | 0.73% | Jun 30, 2026 |
| VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 1.8M | $152.8M | 0.32% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list CYTK's shares (CUSIP 23282W605), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Wellington Investment Advisors Holdings LLPSCHEDULE 13G/A · passive (13G) · 7.1M shares5.1%
Aug 13, 2026 · ↗ - Wellington Group Holdings LLPSCHEDULE 13G/A · passive (13G) · 7.1M shares5.1%
Aug 13, 2026 · ↗ - Wellington Management Group LLPSCHEDULE 13G/A · passive (13G) · 7.1M shares5.1%
Aug 13, 2026 · ↗ - Abigail P. JohnsonSCHEDULE 13G/A · passive (13G) · 5.2M shares3.9%
Jul 8, 2026 · ↗ - FMR LLCSCHEDULE 13G/A · passive (13G) · 5.2M shares3.9%
Jul 8, 2026 · ↗ - Abigail P. JohnsonSCHEDULE 13G/A · passive (13G) · 11.1M shares9.0%
May 6, 2026 · ↗ - FMR LLCSCHEDULE 13G/A · passive (13G) · 11.1M shares9.0%
May 6, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming cytokinetics as client
- FARRAGUT PARTNERS LLPCYTOKINETICS INC. · 2026 Q2 · HCR$30K
Filing ↗ - FARRAGUT PARTNERS LLPCYTOKINETICS INC. · 2026 Q1 · HCR$30K
Filing ↗ - FARRAGUT PARTNERS LLPCYTOKINETICS INC. · 2025 Q4 · HCR$30K
Filing ↗ - FARRAGUT PARTNERS LLPCYTOKINETICS INC. · 2025 Q3 · HCR$30K
Filing ↗ - FARRAGUT PARTNERS LLPCYTOKINETICS INC. · 2025 Q2 · HCR$30K
Filing ↗
Government Contracts
Federal awards to CYTOKINETICS INC · USAspending
No federal contract awards found for CYTOKINETICS INC.
U.S. Patents
Recent USPTO applications naming CYTOKINETICS INC
No USPTO patent applications found for CYTOKINETICS INC.
Annual Financials
From CYTK's 10-K filings · XBRL
No annual XBRL figures on record for CYTK. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 1-for-6Reverse splitJun 25, 2013
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 8.01, 9.01Other eventsAug 28, 2026
EDGAR ↗ - 8-K · Items 8.01Other eventsAug 13, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsAug 6, 2026
EDGAR ↗ - 8-K · Items 5.07Shareholder voteMay 27, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsMay 8, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsMay 5, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsMay 5, 2026
EDGAR ↗
About CYTOKINETICS INC
From SEC EDGAR company records
Industry (SIC 2834)Pharmaceutical Preparations
SectorHealthcare
HeadquartersSOUTH SAN FRANCISCO, CA
SEC CIK0001061983 ↗