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 |
|---|---|---|---|---|---|---|
| PARSHALL B LYNNE | Director | SELL | $100K–$500K | 5K | $48.64 | Jun 4, 2024 |
| PARSHALL B LYNNE | Director | EXERCISE | $50K–$100K | 5K | $10.68 | Jun 4, 2024 |
| Wong Robert | VP | SELL | $500K+ | 13K | $48.88 | Jun 3, 2024 |
| HENDERSON JOHN T | Director | SELL | $500K+ | 11K | $64.54 | Apr 25, 2024 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $1M+ | 33K | $74.31 | Apr 9, 2024 |
| Malik Fady Ibraham | EVP Research & Dev… | EXERCISE | $100K–$500K | 29K | $6.67 | Apr 9, 2024 |
| HENDERSON JOHN T | Director | SELL | $100K–$500K | 5K | $76.48 | Feb 14, 2024 |
| HENDERSON JOHN T | Director | EXERCISE | $15K–$50K | 5K | $4.44 | Feb 14, 2024 |
| Blum Robert I | President & CEO | EXERCISE | $50K–$100K | 13K | $6.67 | Feb 13, 2024 |
| Blum Robert I | President & CEO | SELL | $500K+ | 13K | $76.85 | Feb 13, 2024 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $1M+ | 33K | $79.30 | Feb 6, 2024 |
| Malik Fady Ibraham | EVP Research & Dev… | EXERCISE | $100K–$500K | 29K | $6.67 | Feb 6, 2024 |
| Blum Robert I | President & CEO | SELL | $500K+ | 13K | $79.57 | Feb 2, 2024 |
| Blum Robert I | President & CEO | EXERCISE | $50K–$100K | 13K | $6.67 | Feb 2, 2024 |
| Blum Robert I | President & CEO | SELL | $1M+ | 13K | $81.42 | Jan 22, 2024 |
| Blum Robert I | President & CEO | EXERCISE | $50K–$100K | 13K | $6.67 | Jan 22, 2024 |
| HENDERSON JOHN T | Director | EXERCISE | $15K–$50K | 5K | $4.44 | Jan 12, 2024 |
| HENDERSON JOHN T | Director | SELL | $100K–$500K | 5K | $85.14 | Jan 12, 2024 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $1M+ | 16K | $86.98 | Jan 4, 2024 |
| Malik Fady Ibraham | EVP Research & Dev… | EXERCISE | $50K–$100K | 12K | $7.96 | Jan 4, 2024 |
| Blum Robert I | President & CEO | SELL | $1M+ | 13K | $85.08 | Jan 2, 2024 |
| Blum Robert I | President & CEO | EXERCISE | $50K–$100K | 13K | $6.67 | Jan 2, 2024 |
| WIERENGA WENDALL | Director | EXERCISE | $15K–$50K | 10K | $4.44 | Dec 27, 2023 |
| WIERENGA WENDALL | Director | SELL | $500K+ | 10K | $73.60 | Dec 27, 2023 |
| Blum Robert I | President & CEO | SELL | $100K–$500K | 13K | $32.99 | Dec 1, 2023 |
| Blum Robert I | President & CEO | EXERCISE | $50K–$100K | 13K | $6.67 | Dec 1, 2023 |
| Blum Robert I | President & CEO | SELL | $100K–$500K | 13K | $34.57 | Nov 15, 2023 |
| Blum Robert I | President & CEO | EXERCISE | $50K–$100K | 13K | $6.67 | Nov 15, 2023 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $50K–$100K | 3K | $35.40 | Nov 9, 2023 |
| Blum Robert I | President & CEO | SELL | $100K–$500K | 13K | $32.17 | Oct 30, 2023 |
| Blum Robert I | President & CEO | EXERCISE | $50K–$100K | 13K | $6.67 | Oct 30, 2023 |
| Blum Robert I | President & CEO | EXERCISE | $50K–$100K | 13K | $6.67 | Oct 16, 2023 |
| Blum Robert I | President & CEO | SELL | $100K–$500K | 13K | $33.70 | Oct 16, 2023 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $50K–$100K | 3K | $35.89 | Oct 12, 2023 |
| Blum Robert I | President & CEO | EXERCISE | $50K–$100K | 13K | $6.67 | Oct 6, 2023 |
| Blum Robert I | President & CEO | SELL | $100K–$500K | 13K | $30.00 | Oct 6, 2023 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $50K–$100K | 3K | $34.86 | Sep 14, 2023 |
| Blum Robert I | President & CEO | SELL | $100K–$500K | 13K | $34.90 | Sep 13, 2023 |
| Blum Robert I | President & CEO | EXERCISE | $50K–$100K | 13K | $6.67 | Sep 13, 2023 |
| Blum Robert I | President & CEO | EXERCISE | $50K–$100K | 13K | $7.70 | Aug 28, 2023 |
| Blum Robert I | President & CEO | SELL | $100K–$500K | 13K | $33.99 | Aug 28, 2023 |
| WIERENGA WENDALL | Director | SELL | $100K–$500K | 6K | $32.02 | Aug 21, 2023 |
| WIERENGA WENDALL | Director | EXERCISE | $15K–$50K | 6K | $6.72 | Aug 21, 2023 |
| Blum Robert I | President & CEO | SELL | $500K+ | 23K | $37.50 | Aug 11, 2023 |
| Blum Robert I | President & CEO | EXERCISE | $100K–$500K | 23K | $9.59 | Aug 11, 2023 |
| Malik Fady Ibraham | EVP Research & Dev… | SELL | $50K–$100K | 3K | $31.70 | Aug 10, 2023 |
| Blum Robert I | President & CEO | EXERCISE | $100K–$500K | 13K | $9.65 | Aug 1, 2023 |
| Blum Robert I | President & CEO | SELL | $100K–$500K | 13K | $32.63 | Aug 1, 2023 |
| Blum Robert I | President & CEO | EXERCISE | $100K–$500K | 13K | $9.65 | Jul 13, 2023 |
| Blum Robert I | President & CEO | SELL | $100K–$500K | 13K | $35.28 | Jul 13, 2023 |
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