Cytokinetics, Incorporated
IT ˙ BIT ˙ US23282W6057
62,32 € 0,00 (0,00%)
2026-06-05
DEL PRIS
SecurityIT:1CYTK / Cytokinetics, Incorporated
InstitutionRhumbline Advisers
Latest Disclosed Ownership369,575 shares
Latest Disclosed Value $ 24,358,650
Rhumbline Advisers reports 3.52% increase in ownership of 1CYTK / Cytokinetics, Incorporated

On May 12, 2026 - Rhumbline Advisers filed a 13F-HR form disclosing ownership of 369,575 shares of Cytokinetics, Incorporated (IT:1CYTK) valued at $19,957,050 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 356,995 shares of Cytokinetics, Incorporated. This represents a change in shares of 3.52% during the quarter. The current value of the position is $23,031,914 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-12 2026-03-31 13F CYTOKINETICS INC COM COM 23282W605 369,575 12,580 3.52 24,359 7.38 0.0208
2026-02-13 2025-12-31 13F CYTOKINETICS INC COM COM 23282W605 356,995 -28,818 -7.47 22,683 6.98 0.0183
2025-11-06 2025-09-30 13F CYTOKINETICS INC COM COM 23282W605 385,813 -4,127 -1.06 21,204 64.59 0.0170
2025-08-12 2025-06-30 13F CYTOKINETICS INC COM COM 23282W605 389,940 16,085 4.30 12,884 -14.26 0.0110
2025-05-29 2025-03-31 13F/A-1 CYTOKINETICS INC COM COM 23282W605 373,855 -10,028 -2.61 15,025 -16.79 0.0141
2025-04-08 2025-03-31 13F CYTOKINETICS INC COM COM 23282W605 373,855 -10,028 15,025 0.0141
2025-05-29 2024-12-31 13F/A-1 CYTOKINETICS INC COM COM 23282W605 383,883 5,207 1.38 18,058 -9.69 0.0162
2025-01-30 2024-12-31 13F CYTOKINETICS INC COM COM 23282W605 383,883 5,207 18,058 0.0162
2024-11-12 2024-09-30 13F CYTOKINETICS INC COM COM 23282W605 378,676 -581 -0.15 19,994 -2.70 0.0180
2024-08-01 2024-06-30 13F CYTOKINETICS INC COM COM 23282W605 379,257 72,618 23.68 20,548 -4.42 0.0193
2024-05-09 2024-03-31 13F CYTOKINETICS INC COM COM 23282W605 306,639 24,797 8.80 21,498 -8.64 0.0206
2024-02-08 2023-12-31 13F CYTOKINETICS INC COM COM 23282W605 281,842 6,973 2.54 23,531 190.60 0.0247
2023-11-09 2023-09-30 13F CYTOKINETICS INC COM COM 23282W605 274,869 3,005 1.11 8,098 -8.69 0.0094
2023-08-08 2023-06-30 13F CYTOKINETICS INC COM COM 23282W605 271,864 12,766 4.93 8,868 98,433.33 0.0099
2023-05-11 2023-03-31 13F CYTOKINETICS INC COM COM 23282W605 259,098 11,640 4.70 9 -99.92 0.0112
2023-02-14 2022-12-31 13F CYTOKINETICS INC COM COM 23282W605 247,458 7,486 3.12 11,339 -2.48 0.0152
2022-11-10 2022-09-30 13F CYTOKINETICS INC COM COM 23282W605 239,972 22,124 10.16 11,627 35.85 0.0173
2022-08-11 2022-06-30 13F CYTOKINETICS INC COM COM 23282W605 217,848 15,775 7.81 8,559 15.07 0.0125
2022-05-12 2022-03-31 13F CYTOKINETICS INC COM COM 23282W605 202,073 14,552 7.76 7,438 -12.98 0.0096
2022-02-10 2021-12-31 13F CYTOKINETICS INC COM COM 23282W605 187,521 525 0.28 8,547 27.89 0.0105
2021-11-12 2021-09-30 13F CYTOKINETICS INC COM COM 23282W605 186,996 -8,605 -4.40 6,683 72.64 0.0090
2021-08-05 2021-06-30 13F CYTOKINETICS INC COM COM 23282W605 195,601 -7,616 -3.75 3,871 -18.11 0.0051
2021-05-06 2021-03-31 13F CYTOKINETICS INC COM COM 23282W605 203,217 4,538 2.28 4,727 14.48 0.0064
2021-02-10 2020-12-31 13F CYTOKINETICS INC COM COM 23282W605 198,679 12,175 6.53 4,129 2.25 0.0057
2020-11-12 2020-09-30 13F CYTOKINETICS INC COM COM 23282W605 186,504 12,185 6.99 4,038 -1.73 0.0063
2020-08-13 2020-06-30 13F CYTOKINETICS INC COM COM 23282W605 174,319 -6,314 -3.50 4,109 92.91 0.0069
2020-05-06 2020-03-31 13F CYTOKINETICS INC COM COM 23282W605 180,633 3,406 1.92 2,130 13.30 0.0045
2020-02-05 2019-12-31 13F CYTOKINETICS INC COM COM 23282W605 177,227 11,225 6.76 1,880 -0.48 0.0031
2019-10-23 2019-09-30 13F CYTOKINETICS INC COM COM 23282W605 166,002 5,294 3.29 1,889 4.48 0.0035
2019-08-14 2019-06-30 13F CYTOKINETICS INC COM COM 23282W605 160,708 13,651 9.28 1,808 51.93 0.0034
2019-05-01 2019-03-31 13F CYTOKINETICS INC COM COM 23282W605 147,057 -977 -0.66 1,190 27.14 0.0023
2019-01-31 2018-12-31 13F CYTOKINETICS INC COM COM 23282W605 148,034 24,169 19.51 936 -23.28 0.0020
2018-11-07 2018-09-30 13F CYTOKINETICS INC COM COM 23282W605 123,865 4,035 3.37 1,220 22.61 0.0024
2018-08-06 2018-06-30 13F CYTOKINETICS INC COM COM 23282W605 119,830 9,918 9.02 995 25.79 0.0020
2018-05-02 2018-03-31 13F CYTOKINETICS INC COM COM 23282W605 109,912 4,392 4.16 791 -8.02 0.0017
2018-02-09 2017-12-31 13F CYTOKINETICS INC COM COM 23282W605 105,520 17,464 19.83 860 -32.65 0.0017
2017-11-06 2017-09-30 13F CYTOKINETICS INC COM COM 23282W605 88,056 5,470 6.62 1,277 27.83 0.0028
2017-08-02 2017-06-30 13F CYTOKINETICS INC COM COM 23282W605 82,586 43,456 111.06 999 98.61 0.0023
2017-05-02 2017-03-31 13F CYTOKINETICS INC COM COM 23282W605 39,130 1,133 2.98 503 8.87 0.0012
2017-01-27 2016-12-31 13F CYTOKINETICS INC COM COM 23282W605 37,997 3,162 9.08 462 44.38 0.0012
2016-11-08 2016-09-30 13F CYTOKINETICS INC COM COM 23282W605 34,835 -5,860 -14.40 320 -17.10 0.0009
2016-08-11 2016-06-30 13F CYTOKINETICS INC COM COM 23282W605 40,695 -2,501 -5.79 386 26.56 0.0011
2016-05-02 2016-03-31 13F CYTOKINETICS INC COM COM 23282W605 43,196 2,580 6.35 305 -28.24 0.0009
2016-02-03 2015-12-31 13F CYTOKINETICS INC COM COM 23282W605 40,616 720 1.80 425 59.18 0.0014
2015-11-04 2015-09-30 13F CYTOKINETICS INC COM COM 23282W605 39,896 1,831 4.81 267 4.30 0.0009
2015-08-04 2015-06-30 13F CYTOKINETICS INC COM COM 23282W605 38,065 -8,565 -18.37 256 -18.99 0.0008
2015-05-12 2015-03-31 13F CYTOKINETICS INC COM COM 23282W605 46,630 1,300 2.87 316 -12.95 0.0009
2015-02-06 2014-12-31 13F CYTOKINETICS INC COM COM 23282W605 45,330 4,100 9.94 363 150.34 0.0011
2014-11-12 2014-09-30 13F CYTOKINETICS INC COM COM 23282W605 41,230 0 0.00 145 -26.40 0.0004
2014-08-06 2014-06-30 13F CYTOKINETICS INC COM COM 23282W605 41,230 26,003 170.77 197 35.86 0.0006
2014-05-06 2014-03-31 13F CYTOKINETICS INC COM COM 23282W605 15,227 3,850 33.84 145 95.95 0.0004
2014-02-03 2013-12-31 13F CYTOKINETICS INC COM COM 23282W605 11,377 1,100 10.70 74 -5.13 0.0002
2013-11-05 2013-09-30 13F CYTOKINETICS INC COM COM 23282W605 10,277 -223 -2.12 78 -35.54 0.0002
2013-08-07 2013-06-30 13F CYTOKINETICS INC COM COM 23282W605 10,500 10,500 121 0.0004
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.