CYTOKINETICS INC
Total Trades
322
Buys
0
Sells
188
Largest Trade
N/A
Insiders
15
Institutional Funds
349
Inst. Value
$1M+
Activist Filings
24
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Callos Andrew | EVP | SELL | $1M+ | 26K | $61.87 | Mar 5, 2026 |
| Callos Andrew | EVP | EXERCISE | $500K+ | 26K | $29.97 | Mar 5, 2026 |
| PARSHALL B LYNNE | Director | SELL | $100K–$500K | 5K | $61.21 | Mar 2, 2026 |
| Callos Andrew | EVP | EXERCISE | $15K–$50K | 886 | $37.63 | Mar 2, 2026 |
| Callos Andrew | EVP | SELL | $50K–$100K | 886 | $61.62 | Mar 2, 2026 |
| Callos Andrew | EVP | SELL | $500K+ | 15K | $61.93 | Feb 6, 2026 |
| Callos Andrew | EVP | EXERCISE | $100K–$500K | 15K | $23.26 | Feb 6, 2026 |
| Callos Andrew | EVP | EXERCISE | $15K–$50K | 886 | $37.63 | Feb 2, 2026 |
| Callos Andrew | EVP | SELL | $50K–$100K | 886 | $62.10 | Feb 2, 2026 |
| Callos Andrew | EVP | EXERCISE | $100K–$500K | 15K | $23.26 | Jan 5, 2026 |
| Callos Andrew | EVP | SELL | $500K+ | 15K | $60.28 | Jan 5, 2026 |
| Callos Andrew | EVP | EXERCISE | $15K–$50K | 885 | $37.63 | Jan 2, 2026 |
| Callos Andrew | EVP | SELL | $100K–$500K | 2K | $62.62 | Jan 2, 2026 |
| Callos Andrew | EVP | SELL | $100K–$500K | 2K | $62.44 | Dec 30, 2025 |
| WIERENGA WENDELL | Director | SELL | $1M+ | 20K | $66.14 | Dec 23, 2025 |
| WIERENGA WENDELL | Director | EXERCISE | $100K–$500K | 20K | $7.61 | Dec 23, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | EXERCISE | $15K–$50K | 2K | $10.60 | Dec 16, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $100K–$500K | 2K | $61.24 | Dec 16, 2025 |
| Callos Andrew | EVP | EXERCISE | $15K–$50K | 1K | $39.13 | Dec 8, 2025 |
| Callos Andrew | EVP | SELL | $50K–$100K | 1K | $65.96 | Dec 8, 2025 |
| Callos Andrew | EVP | EXERCISE | $1M+ | 52K | $33.84 | Dec 5, 2025 |
| Callos Andrew | EVP | SELL | $1M+ | 52K | $65.95 | Dec 5, 2025 |
| HENDERSON JOHN T | Director | SELL | $500K+ | 9K | $63.90 | Dec 2, 2025 |
| HENDERSON JOHN T | Director | EXERCISE | $50K–$100K | 9K | $10.00 | Dec 2, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $100K–$500K | 2K | $63.89 | Dec 2, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | EXERCISE | $15K–$50K | 2K | $10.60 | Dec 2, 2025 |
| Kaye Edward M. MD | Director | EXERCISE | $100K–$500K | 28K | $13.72 | Dec 2, 2025 |
| Kaye Edward M. MD | Director | SELL | $1M+ | 28K | $66.72 | Dec 2, 2025 |
| Harrington Robert Arthur | Director | SELL | $100K–$500K | 2K | $66.80 | Dec 2, 2025 |
| PARSHALL B LYNNE | Director | SELL | $100K–$500K | 5K | $64.73 | Nov 19, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | EXERCISE | $15K–$50K | 2K | $10.60 | Nov 18, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $100K–$500K | 2K | $66.45 | Nov 18, 2025 |
| Kaye Edward M. MD | Director | EXERCISE | $15K–$50K | 5K | $9.66 | Nov 12, 2025 |
| Kaye Edward M. MD | Director | SELL | $100K–$500K | 5K | $65.08 | Nov 12, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $100K–$500K | 2K | $59.55 | Nov 5, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | EXERCISE | $15K–$50K | 2K | $10.60 | Nov 5, 2025 |
| Blum Robert I | President & CEO | SELL | $100K–$500K | 5K | $62.86 | Oct 30, 2025 |
| WIERENGA WENDELL | Director | EXERCISE | $15K–$50K | 4K | $10.00 | Oct 27, 2025 |
| WIERENGA WENDELL | Director | SELL | $100K–$500K | 4K | $58.68 | Oct 27, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $100K–$500K | 2K | $58.22 | Oct 21, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | EXERCISE | $15K–$50K | 2K | $10.60 | Oct 21, 2025 |
| Blum Robert I | President & CEO | SELL | $100K–$500K | 5K | $55.05 | Oct 1, 2025 |
| Kaye Edward M. MD | Director | SELL | $100K–$500K | 7K | $55.08 | Sep 30, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $50K–$100K | 2K | $49.28 | Sep 23, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | EXERCISE | $15K–$50K | 2K | $10.60 | Sep 23, 2025 |
| Blum Robert I | President & CEO | SELL | $100K–$500K | 5K | $49.77 | Sep 15, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $100K–$500K | 2K | $51.29 | Sep 10, 2025 |
| Malik Fady Ibraham | EVP Research & Dev… | EXERCISE | $15K–$50K | 2K | $10.60 | Sep 10, 2025 |
| Kaye Edward M. MD | Director | SELL | $100K–$500K | 7K | $50.00 | Sep 2, 2025 |
| Harrington Robert Arthur | Director | SELL | $100K–$500K | 2K | $48.67 | Sep 2, 2025 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 349 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 566K | $1M+ | SH |
| STATE STREET CORP | 5.8M | $1M+ | SH |
| Deep Track Capital, LP | 3.3M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.4M | $1M+ | SH |
| Capital International Investors | 1.2M | $1M+ | SH |
| PRINCIPAL FINANCIAL GROUP INC | 972K | $1M+ | SH |
| Frazier Life Sciences Management, L.P. | 935K | $1M+ | SH |
| BNP Paribas Asset Management Holding S.A. | 826K | $1M+ | SH |
| Fisher Asset Management, LLC | 823K | $1M+ | SH |
| NORGES BANK | 807K | $1M+ | SH |
| Affinity Asset Advisors, LLC | 800K | $1M+ | SH |
| Pictet Asset Management Holding SA | 758K | $1M+ | SH |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 748K | $1M+ | SH |
| BROWN ADVISORY INC | 696K | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 580K | $1M+ | SH |
| TD ASSET MANAGEMENT INC | 544K | $1M+ | SH |
| ADAR1 Capital Management, LLC | 540K | $1M+ | SH |
| ADAR1 Capital Management, LLC | 540K | $1M+ | SH |
| Aberdeen Group plc | 483K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
T. Rowe Price Investment Management, Inc.
SC 13G/A · Nov 14, 2025
16.0%
19.1M shares
SC 13G · Nov 10, 2025
4.7%
5.6M shares
T. Rowe Price Investment Management, Inc.
SC 13G/A · Aug 14, 2025
14.7%
17.6M shares
SC 13G/A · Aug 7, 2025
10.9%
13.1M shares
T. Rowe Price Investment Management, Inc.
SC 13G · May 7, 2025
11.3%
13.4M shares
SC 13G/A · Feb 12, 2025
9.4%
11.1M shares
SC 13G/A · Jan 8, 2025
10.1%
11.9M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G · Nov 14, 2024
8.2%
9.7M shares
SC 13G/A · Nov 12, 2024
10.0%
11.8M shares
SC 13G/A · Nov 12, 2024
13.0%
15.3M shares
SC 13G/A · Nov 12, 2024
10.5%
12.4M shares
SC 13G/A · Nov 4, 2024
10.0%
11.8M shares
SC 13G/A · Oct 23, 2024
13.0%
15.3M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
11.2%
11.0M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jan 25, 2024
6.0%
0 shares
SC 13G/A · Jan 22, 2024
16.4%
16.1M shares
SC 13G/A · Feb 10, 2023
16.7%
15.8M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Feb 3, 2023
5.3%
0 shares
SC 13G/A · Jan 26, 2023
16.0%
15.0M shares
SC 13G/A · Jan 20, 2023
16.0%
15.0M shares
The Vanguard Group - 23-1945930
SC 13G/A · Apr 8, 2022
10.3%
8.7M shares
DRIEHAUS CAPITAL MANAGEMENT LLC
SC 13G/A · Feb 14, 2022
2.8%
2.3M shares
SC 13G/A · Jan 27, 2022
15.4%
13.0M shares
SC 13G · Jan 25, 2022
15.4%
13.0M shares