Security record · archived quarter
CYTK
Cytokinetics, Incorporated · Healthcare · Biotechnology
123Tracked holders
+1Δ holders
87.96MShares held
$5.79BReported value
+8New positions
−8Exits
Momentum inputs (comparable managers):
holder breadth +0.8% ·
share flow +3.3% ·
net new positions 0.0%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 11.48K | $711,878 | n/a | −1 |
| Q2 2026 | 126 | +7 | 95.69M | $8.15B | +10 | −4 |
| Q1 2026 | 123 | +1 | 87.96M | $5.79B | +8 | −8 |
| Q4 2025 | 121 | -1 | 92.45M | $5.87B | +2 | −2 |
| Q3 2025 | 19 | +2 | 69.14M | $3.80B | +2 | −1 |
| Q2 2025 | 15 | -2 | 62.06M | $2.05B | n/a | −2 |
| Q1 2025 | 14 | +1 | 26.36M | $1.06B | +1 | n/a |
| Q4 2024 | 13 | -1 | 25.19M | $1.18B | n/a | −1 |
| Q3 2024 | 13 | +2 | 19.21M | $1.01B | +2 | n/a |
| Q2 2024 | 11 | n/a | 17.42M | $943.61M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 16.55M | +0.9% | $1.09B | 0.0% | ▲ Add | 4 | SEC ↗ ×18 |
| 2 | Fidelity (FMR) ✦ | 10.72M | -16.3% | $706.76M | 0.0% | ▼ Trim | 4 | SEC ↗ ×6 |
| 3 | Wellington Management ✦ | 8.01M | +0.9% | $527.91M | 0.1% | ▲ Add | 8 | SEC ↗ ×8 |
| 4 | State Street Global Advisors ✦ (passive) | 5.75M | -1.4% | $378.67M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 5 | Vanguard Capital Management Llc | 5.49M | n/a | $361.76M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 3.22M | +5.2% | $211.97M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 7 | Bank Of America Corp /De/ | 3.13M | +6.3% | $206.00M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 8 | Goldman Sachs Group ✦ | 2.21M | -7.0% | $145.38M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 9 | UBS Group AG | 2.08M | +83.6% | $136.91M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 10 | T. Rowe Price ✦ | 1.58M | -17.9% | $104.42M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 11 | Morgan Stanley ✦ | 1.51M | +18.9% | $99.20M | 0.0% | ▲ Add | 3 | SEC ↗ ×13 |
| 12 | Northern Trust Corp | 1.44M | +4.4% | $95.02M | 0.0% | ▲ Add | 2 | SEC ↗ ×7 |
| 13 | Charles Schwab Investment… | 1.40M | +1.0% | $92.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | Capital International Investors | 1.34M | +13.6% | $88.24M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | Citadel Advisors ✦ | 1.10M | -5.4% | $72.49M | 0.1% | ▼ Trim | 8 | SEC ↗ ×2 |
| 16 | Principal Financial Group Inc | 1.09M | +11.9% | $72.07M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 17 | Bank of New York Mellon Corp | 1.01M | +17.8% | $66.32M | 0.0% | ▲ Add | 2 | SEC ↗ ×18 |
| 18 | Balyasny Asset Management L.P. | 992.54K | New | $65.42M | 0.1% | New | 1 | SEC ↗ ×2 |
| 19 | Susquehanna International Group, Llp | 898.95K | +19.3% | $59.25M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 20 | JPMorgan Chase ✦ | 903.80K | -36.0% | $56.91M | 0.0% | ▼ Trim | 3 | SEC ↗ ×8 |
| 21 | Bnp Paribas Financial Markets | 854.37K | +47.3% | $56.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Qube Research & Technologies Ltd | 779.45K | +45.1% | $51.37M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 23 | Capital Research Global Investors | 771.00K | New | $50.82M | 0.0% | New | 1 | SEC ↗ |
| 24 | Fisher Asset Management ✦ | 768.26K | -6.6% | $50.64M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 25 | Pictet Asset Management Holding SA | 750.95K | -0.9% | $49.30M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 26 | BNP Paribas Asset Management… | 714.34K | -13.7% | $47.08M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 27 | D. E. Shaw & Co. ✦ | 706.63K | +492.7% | $46.57M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 28 | Federated Hermes, Inc. | 699.45K | +44.6% | $46.10M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 29 | Marshall Wace ✦ | 656.61K | +94.8% | $43.28M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 30 | Point72 Asset Management ✦ | 626.10K | New | $41.27M | 0.1% | New | 1 | SEC ↗ |
| 31 | Brown Advisory Inc | 614.65K | -15.9% | $40.51M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 32 | Invesco Ltd. | 484.98K | +136.7% | $31.97M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 33 | Aberdeen Group plc | 483.27K | 0.0% | $31.85M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 34 | American Century Companies Inc | 443.96K | 0.0% | $29.26M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | Alliancebernstein L.P. | 459.09K | +11.2% | $29.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Td Asset Management Inc | 420.85K | -22.6% | $27.74M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 37 | Franklin Resources Inc | 409.78K | -0.1% | $27.01M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 38 | Rhumbline Advisers | 369.57K | +3.5% | $24.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | Group One Trading Llc | 364.00K | -10.6% | $23.99M | 0.8% | ▼ Trim | 2 | SEC ↗ |
| 40 | Nuveen, LLC | 351.81K | -4.7% | $23.19M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 41 | Massachusetts Financial Services Co… | 311.65K | -4.8% | $20.54M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 42 | Ameriprise Financial Inc | 302.80K | -44.5% | $19.96M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 43 | Two Sigma Investments ✦ | 285.01K | +4.0% | $18.78M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Janus Henderson Group Plc | 282.12K | +10.1% | $18.59M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 45 | Voya Investment Management Llc | 259.46K | +295.6% | $17.10M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 46 | Citigroup Inc | 249.24K | +144.1% | $16.43M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 47 | Capital World Investors ✦ | 242.04K | New | $15.95M | 0.0% | New | 1 | SEC ↗ |
| 48 | UBS AM, a distinct business unit of… | 240.63K | +2.4% | $15.86M | 0.0% | ▲ Add | 2 | SEC ↗ ×9 |
| 49 | Swiss National Bank | 229.80K | +2.5% | $15.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Hsbc Holdings Plc | 222.00K | +2903.2% | $14.63M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 51 | California Public Employees… | 198.53K | +4.8% | $13.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Deutsche Bank Ag\ | 187.14K | +6.5% | $12.33M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 53 | Russell Investments Group, Ltd. | 174.03K | +26.4% | $11.47M | 0.0% | ▲ Add | 2 | SEC ↗ ×9 |
| 54 | Manufacturers Life Insurance… | 167.12K | -12.4% | $11.02M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 55 | AQR Capital Management ✦ | 156.54K | -33.9% | $10.32M | 0.0% | ▼ Trim | 8 | SEC ↗ ×4 |
| 56 | Legal & General Group Plc | 151.02K | -10.4% | $9.95M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 57 | Alyeska Investment Group, L.P. | 150.00K | New | $9.89M | 0.0% | New | 1 | SEC ↗ |
| 58 | First Trust Advisors Lp | 145.89K | +14.4% | $9.62M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | California State Teachers… | 136.60K | +27.3% | $9.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Creative Planning | 107.76K | +11.2% | $7.10M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 61 | Millennium Management ✦ | 97.96K | -56.5% | $6.46M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 62 | Dimensional Fund Advisors Lp | 94.50K | +75.2% | $6.23M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Barclays Plc | 79.16K | -77.0% | $5.22M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 64 | Neuberger Berman Group LLC | 77.09K | +8.0% | $5.08M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 65 | Wells Fargo & Company/Mn | 74.34K | -54.0% | $4.90M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 66 | State Of Wisconsin Investment Board | 72.06K | +5.0% | $4.75M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Sei Investments Co | 69.81K | -0.6% | $4.60M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 68 | Raymond James Financial Inc | 68.50K | -16.9% | $4.52M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 69 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 61.18K | +2.6% | $4.02M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 70 | Prudential Financial Inc | 59.42K | +41.4% | $3.92M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 71 | Universal- Beteiligungs- und… | 55.39K | +2.0% | $3.65M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | Hrt Financial Lp | 55.20K | +136.1% | $3.64M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 73 | Stifel Financial Corp | 54.44K | +13.5% | $3.59M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 74 | Quantinno Capital Management LP | 52.60K | +4.3% | $3.47M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | Osaic Holdings, Inc. | 50.87K | -3.0% | $3.35M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 76 | Nomura Asset Management… | 48.48K | +8.0% | $3.20M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | New York State Common Retirement… | 46.72K | +1.2% | $3.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | Zurcher Kantonalbank (Zurich… | 45.57K | +25.1% | $3.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | Envestnet Asset Management Inc | 34.54K | -45.0% | $2.28M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 80 | Fifth Third Bancorp | 28.73K | +2535.6% | $1.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | State Board Of Administration Of… | 28.49K | 0.0% | $1.88M | 0.0% | Held | 2 | SEC ↗ |
| 82 | ProShare Advisors LLC | 27.78K | -13.8% | $1.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Pacer Advisors, Inc. | 23.06K | -17.0% | $1.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 84 | Bamco Inc /Ny/ | 23.00K | New | $1.52M | 0.0% | New | 1 | SEC ↗ |
| 85 | Daiwa Securities Group Inc. | 22.20K | +6224.8% | $1.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 86 | Tidal Investments LLC | 19.98K | +42.9% | $1.32M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 87 | Victory Capital Management Inc | 19.28K | +9.9% | $1.27M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 88 | Royal Bank Of Canada | 17.69K | -42.1% | $1.17M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 89 | Schroder Investment Management Group | 18.11K | n/a | $1.14M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 90 | Amundi | 17.08K | +152.2% | $1.13M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 91 | HighTower Advisors, LLC | 16.63K | +19.5% | $1.10M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Bank Of Montreal /Can/ | 14.61K | +9.9% | $963,078 | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 93 | LPL Financial LLC | 12.37K | +1.4% | $815,406 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | Man Group plc | 10.46K | -9.7% | $689,616 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 95 | CIBC Bancorp USA Inc. | 10.10K | n/a | $665,626 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 96 | Wealth Enhancement Advisory… | 8.87K | -11.1% | $592,095 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | Jones Financial Companies Lllp | 9.19K | +312.1% | $574,438 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | Allianz Asset Management GmbH | 8.70K | +20.1% | $573,153 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 99 | Cetera Investment Advisers | 8.65K | -39.4% | $570,056 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 100 | Pnc Financial Services Group, Inc. | 8.58K | +0.6% | $565,309 | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Balyasny Asset Management L.P. | $65.42M | 0.1% |
| Capital Research Global… | $50.82M | 0.0% |
| Point72 Asset Management | $41.27M | 0.1% |
| Capital World Investors | $15.95M | 0.0% |
| Alyeska Investment Group, L.P. | $9.89M | 0.0% |
| Bamco Inc /Ny/ | $1.52M | 0.0% |
Exited
| Norges Bank | $51.28M | was 0.0% |
| Renaissance Technologies | $10.93M | was 0.0% |
| IMC-Chicago, LLC | $3.03M | was 0.1% |
| Walleye Trading LLC | $1.06M | was 0.0% |
| Parallax Volatility Advisers… | $193,098 | was 0.0% |
| Canada Pension Plan… | $133,434 | was 0.0% |
| TD Waterhouse Canada Inc. | $31,770 | was 0.0% |
| Kayne Anderson Rudnick… | $11,437 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 437 holders, 145.17M shares, $8.22B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Oct 20
Malik Fady Ibraham
Officer · 3.50K sh · $224,035
Oct 12
Blum Robert I
Officer, Director · 7.50K sh · $471,600
Oct 06
Malik Fady Ibraham
Officer · 3.50K sh · $214,830
Sep 28
Blum Robert I
Officer, Director · 7.50K sh · $490,950
Sep 22
Malik Fady Ibraham
Officer · 3.50K sh · $239,015
Sep 15
Blum Robert I
Officer, Director · 97.93K sh · $6.79M
Sep 15
Landry Robert E
Director · 1.00K sh · $72,130
Sep 14
Blum Robert I
Officer, Director · 7.50K sh · $550,800
Sep 11
Landry Robert E
Director · 1.00K sh · $74,660
Sep 08
Malik Fady Ibraham
Officer · 3.50K sh · $264,110
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 13
SC 13G/A: WELLINGTON MANAGEMENT GROUP LLP
Jul 08
SC 13G/A: FMR LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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