Cytokinetics, Incorporated CYTK
55.55 USD -8.05 (-12.66%)
At closeNov 5, 2026, 4:40 PM EST
54.00 -1.55 -2.79%
After hours · Nov 5, 4:40 PM ET
54.16 Day range 60.84
54.16 52-week range 88.31
- YTD
- -12.57%
- 1 year
- -6.15%
Held by funds
191 US ETFs and mutual funds hold CYTK · largest positions
Ownership
Held by insiders 0.57%
Held by institutions 126.34%
Float held by institutions 127.07%
Institutions 669
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 16.15% | 20,094,362 | 1.28B | Jun 29, 2026 |
| T. Rowe Price Investment Management, Inc. | 15.04% | 18,718,498 | 1.19B | Jun 29, 2026 |
| Wellington Management Group, LLP | 5.57% | 6,931,770 | 440.86M | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 5.39% | 6,711,799 | 426.87M | Jun 29, 2026 |
| State Street Corporation | 5.22% | 6,494,233 | 413.03M | Jun 29, 2026 |
| Vanguard Capital Management LLC | 4.92% | 6,117,515 | 389.07M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| T. ROWE PRICE CAPITAL APPRECIATION Fd., INC.-T. Rowe Price Capital App | 5.05% | 6,285,983 | 399.79M | Jun 29, 2026 |
| iShares Trust-iShares Core S&P Mid-Cap ETF | 3.98% | 4,952,045 | 314.95M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 3.47% | 4,314,356 | 274.39M | Jun 29, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 2.81% | 3,491,654 | 222.07M | Sep 29, 2026 |
| VANGUARD SPECIALIZED FUNDS-Vanguard Health Care Fund | 2.69% | 3,341,262 | 212.50M | Jul 30, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 2.50% | 3,114,802 | 198.10M | Jun 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| BHANJI MUNA | Director | Stock Award(Grant) | May 26, 2026 | 26,361 |
| BLUM ROBERT I | Chief Executive Officer | Sale | Nov 1, 2026 | 282,710 |
| CALLOS ANDREW | Officer | Sale | Aug 30, 2026 | 58,555 |
| HARRINGTON ROBERT ARTHUR | Director | Stock Award(Grant) | Oct 15, 2026 | 22,127 |
| HENDERSON JOHN TANNAHILL | Director | Stock Award(Grant) | Oct 15, 2026 | 78,795 |
| HESSEKIEL JEFFREY J | Officer | Stock Award(Grant) | Mar 12, 2026 | 107,943 |