Security record
CYTK
Cytokinetics, Incorporated · Healthcare · Biotechnology
128Tracked holders
+7Δ holders
95.72MShares held
$8.15BReported value
+10New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth +5.8% ·
share flow +8.1% ·
net new positions +6.2%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 128 | +7 | 95.72M | $8.15B | +10 | −2 |
| 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 | — | −2 |
| Q1 2025 | 14 | +1 | 26.36M | $1.06B | +1 | — |
| Q4 2024 | 13 | -1 | 25.19M | $1.18B | — | −1 |
| Q3 2024 | 13 | +2 | 19.21M | $1.01B | +2 | — |
| Q2 2024 | 11 | — | 17.42M | $943.61M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 20.09M | +21.4% | $1.71B | 0.0% | ▲ Add | 5 | SEC ↗ ×18 |
| 2 | Wellington Management ✦ | 6.93M | -13.5% | $590.52M | 0.1% | ▼ Trim | 9 | SEC ↗ ×8 |
| 3 | State Street Global Advisors ✦ (passive) | 6.49M | +13.0% | $553.24M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 4 | Vanguard Capital Management Llc | 6.12M | +11.5% | $521.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 5.03M | -53.1% | $428.66M | 0.0% | ▼ Trim | 5 | SEC ↗ ×6 |
| 6 | Bank Of America Corp /De/ | 4.64M | +48.3% | $394.92M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 7 | Geode Capital Management ✦ (passive) | 3.71M | +15.5% | $316.33M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 8 | T. Rowe Price ✦ | 1.96M | +23.6% | $166.88M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 9 | Goldman Sachs Group ✦ | 1.76M | -20.1% | $150.07M | 0.0% | ▼ Trim | 4 | SEC ↗ ×6 |
| 10 | Capital Research Global Investors | 1.69M | +118.8% | $143.68M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Northern Trust Corp | 1.65M | +14.3% | $140.34M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 12 | JPMorgan Chase ✦ | 1.59M | +75.8% | $139.15M | 0.0% | ▲ Add | 4 | SEC ↗ ×6 |
| 13 | Point72 Asset Management ✦ | 1.59M | +153.6% | $135.26M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 14 | Charles Schwab Investment… | 1.57M | +12.1% | $133.39M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 15 | Susquehanna International Group, Llp | 1.55M | +72.4% | $132.00M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 16 | Morgan Stanley ✦ | 1.51M | +0.3% | $128.66M | 0.0% | ▲ Add | 4 | SEC ↗ ×14 |
| 17 | Principal Financial Group Inc | 1.31M | +19.9% | $111.74M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 18 | Capital International Investors | 1.31M | -2.5% | $111.25M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | Invesco Ltd. | 1.24M | +154.7% | $105.24M | 0.0% | ▲ Add | 3 | SEC ↗ ×10 |
| 20 | UBS Group AG | 1.17M | -43.6% | $99.78M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 21 | Pictet Asset Management Holding SA | 1.16M | +54.5% | $99.04M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 22 | Bank of New York Mellon Corp | 1.15M | +14.4% | $98.03M | 0.0% | ▲ Add | 3 | SEC ↗ ×17 |
| 23 | Holocene Advisors, LP | 1.14M | New | $97.51M | 0.2% | New | 1 | SEC ↗ |
| 24 | D. E. Shaw & Co. ✦ | 1.05M | +48.3% | $89.29M | 0.1% | ▲ Add | 6 | SEC ↗ ×2 |
| 25 | Norges Bank ✦ (passive) | 1.02M | New | $86.51M | 0.0% | New | 1 | SEC ↗ |
| 26 | Nomura Asset Management… | 961.82K | +1883.8% | $81.94M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 27 | Franklin Resources Inc | 891.09K | +117.5% | $75.91M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 28 | BNP Paribas Asset Management… | 827.81K | +15.9% | $70.52M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 29 | Fisher Asset Management ✦ | 743.70K | -3.2% | $63.36M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 30 | Balyasny Asset Management L.P. | 711.68K | -28.3% | $60.63M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 31 | Bnp Paribas Financial Markets | 689.08K | -19.4% | $58.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Citadel Advisors ✦ | 640.95K | -41.7% | $54.60M | 0.0% | ▼ Trim | 9 | SEC ↗ ×2 |
| 33 | Qube Research & Technologies Ltd | 572.53K | -26.6% | $48.77M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 34 | Brown Advisory Inc | 570.66K | -7.2% | $48.61M | 0.1% | ▼ Trim | 3 | SEC ↗ ×3 |
| 35 | Massachusetts Financial Services Co… | 549.35K | +76.3% | $46.80M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 36 | Federated Hermes, Inc. | 538.02K | -23.1% | $45.83M | 0.1% | ▼ Trim | 3 | SEC ↗ ×3 |
| 37 | American Century Companies Inc | 518.40K | +16.8% | $44.16M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | Ameriprise Financial Inc | 454.85K | +50.2% | $38.75M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 39 | Marshall Wace ✦ | 451.47K | -31.2% | $38.46M | 0.0% | ▼ Trim | 9 | SEC ↗ ×2 |
| 40 | Nuveen, LLC | 447.19K | +27.1% | $38.10M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 41 | Rhumbline Advisers | 421.80K | +14.1% | $35.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Alliancebernstein L.P. | 535.99K | +16.8% | $35.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 43 | Td Asset Management Inc | 385.13K | -8.5% | $32.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Voya Investment Management Llc | 368.70K | +42.1% | $31.41M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 45 | Citigroup Inc | 322.93K | +29.6% | $27.51M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 46 | Two Sigma Investments ✦ | 317.41K | +11.4% | $27.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | Russell Investments Group, Ltd. | 301.57K | +73.3% | $25.69M | 0.0% | ▲ Add | 3 | SEC ↗ ×8 |
| 48 | Bank Of Montreal /Can/ | 285.69K | +1855.2% | $24.34M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 49 | UBS AM, a distinct business unit of… | 273.03K | +13.5% | $23.26M | 0.0% | ▲ Add | 3 | SEC ↗ ×9 |
| 50 | Alyeska Investment Group, L.P. | 250.00K | +66.7% | $21.30M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 51 | Capital World Investors ✦ | 248.81K | +2.8% | $21.20M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Swiss National Bank | 222.40K | -3.2% | $18.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | Deutsche Bank Ag\ | 216.54K | +15.7% | $18.45M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 54 | Prudential Financial Inc | 214.53K | +261.0% | $18.28M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 55 | California Public Employees… | 211.05K | +6.3% | $17.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Legal & General Group Plc | 164.69K | +9.1% | $14.03M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 57 | AQR Capital Management ✦ | 161.90K | +3.4% | $13.79M | 0.0% | ▲ Add | 9 | SEC ↗ ×4 |
| 58 | Manufacturers Life Insurance… | 156.48K | -6.4% | $13.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 59 | Wells Fargo & Company/Mn | 152.59K | +105.3% | $13.00M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 60 | Hsbc Holdings Plc | 151.12K | -31.9% | $12.87M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 61 | Schroder Investment Management Group | 140.10K | +673.5% | $12.23M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 62 | Creative Planning | 141.94K | +31.7% | $12.09M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 63 | Aberdeen Group plc | 119.44K | -75.3% | $10.17M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 64 | First Trust Advisors Lp | 118.15K | -19.0% | $10.07M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 65 | Universal- Beteiligungs- und… | 116.83K | +110.9% | $9.95M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Millennium Management ✦ | 109.72K | +12.0% | $9.35M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 67 | Sei Investments Co | 98.16K | +40.6% | $8.36M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 68 | Dimensional Fund Advisors Lp | 96.83K | +2.5% | $8.25M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Tudor Investment Corp Et Al | 92.68K | New | $7.90M | 0.0% | New | 1 | SEC ↗ |
| 70 | Envestnet Asset Management Inc | 88.52K | +156.3% | $7.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Raymond James Financial Inc | 88.26K | +28.8% | $7.52M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 72 | State Of Wisconsin Investment Board | 76.58K | +6.3% | $6.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | New York State Common Retirement… | 72.68K | +55.6% | $6.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 74 | Barclays Plc | 70.64K | -10.8% | $6.02M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 75 | Neuberger Berman Group LLC | 69.35K | -10.0% | $5.91M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 76 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 65.70K | +7.4% | $5.61M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 77 | Hrt Financial Lp | 59.20K | +7.2% | $5.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Stifel Financial Corp | 56.83K | +4.4% | $4.84M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 79 | Quantinno Capital Management LP | 50.26K | -4.5% | $4.28M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | Osaic Holdings, Inc. | 50.09K | -1.5% | $4.27M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 81 | Zurcher Kantonalbank (Zurich… | 47.85K | +5.0% | $4.08M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Royal Bank Of Canada | 36.48K | +106.2% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 83 | State Board Of Administration Of… | 34.70K | +21.8% | $2.96M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | LMR Partners LLP | 34.65K | +705.9% | $2.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Nomura Holdings Inc | 34.00K | +723.2% | $2.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Fifth Third Bancorp | 30.30K | +5.5% | $2.58M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | ProShare Advisors LLC | 27.12K | -2.4% | $2.31M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Jones Financial Companies Lllp | 26.59K | +189.3% | $2.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | Tidal Investments LLC | 24.92K | +24.7% | $2.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Victory Capital Management Inc | 19.93K | +3.4% | $1.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Cerity Partners LLC | 18.70K | +209.2% | $1.59M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 92 | Man Group plc | 17.39K | +66.2% | $1.48M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 93 | LPL Financial LLC | 16.67K | +34.7% | $1.42M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | Pacer Advisors, Inc. | 15.81K | -31.4% | $1.35M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 95 | HighTower Advisors, LLC | 13.41K | -19.4% | $1.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | Allianz Asset Management GmbH | 13.26K | +52.5% | $1.13M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 97 | Cetera Investment Advisers | 13.23K | +53.0% | $1.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 98 | Amundi | 12.09K | -29.2% | $1.03M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | CIBC Bancorp USA Inc. | 11.46K | +13.5% | $976,363 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 100 | Canada Pension Plan Investment Board | 11.20K | New | $954,128 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Holocene Advisors, LP | $97.51M | 0.2% |
| Norges Bank | $86.51M | 0.0% |
| Tudor Investment Corp Et Al | $7.90M | 0.0% |
| Canada Pension Plan… | $954,128 | 0.0% |
Exited
| Group One Trading Llc | $23.99M | was 0.8% |
| Daiwa Securities Group Inc. | $1.46M | 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 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
Landry Robert E
Director · 1.00K sh · $72,130
Sep 15
Blum Robert I
Officer, Director · 97.93K sh · $6.79M
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
Sep 01
PARSHALL B LYNNE
Director · 5.00K sh · $357,400
Aug 31
Callos Andrew
Officer · 10.00K sh · $702,400
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: Q2 2026 ·
Methodology ·
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