CYTOKINETICS INC - COMMON STOCK (CYTK)

Historical Holders from Q1 2014 to Q4 2025

Type / Class
Equity / COMMON STOCK
Symbol
CYTK on Nasdaq
Shares outstanding
119,358,581
Price per share
$63.54
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
140,918,559
Holdings value
$7,744,283,008
% of all portfolios
0.01%
Share change
+3,340,798
Value change
+$248,284,834
Average buys %
+0.01%
Average sells %
-0%
Number of holders
376
Price from insider filings
$60.28
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of CYTOKINETICS INC - COMMON STOCK (CYTK) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
T. Rowe Price Investment Management, Inc. 16% +8.7% $1,049,591,620 +$82,161,518 19,097,373 +8.5% T. Rowe Price Investment Management, Inc. 30 Sep 2025
FMR LLC 11% +17% $401,039,860 +$59,831,622 13,101,596 +18% FMR LLC 31 Jul 2025
VANGUARD GROUP INC 10% $444,698,440 11,915,821 The Vanguard Group 31 Dec 2024
STATE STREET CORP 4.7% $308,728,677 5,617,334 STATE STREET CORPORATION 30 Sep 2025
As of 30 Sep 2025, CYTOKINETICS INC - COMMON STOCK (CYTK) has 376 institutional shareholders filing 13F forms. They hold 140,918,559 shares .

Top 25 institutional shareholders own 92% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
T. Rowe Price Investment Management, Inc. 16% 19,080,496 +8.4% 0.64% $1,048,665,000
BlackRock, Inc. 13% 15,525,747 -0.97% 0.02% $853,295,069
FMR LLC 11% 13,091,647 +16% 0.04% $719,516,917
VANGUARD GROUP INC 9.9% 11,856,795 -1.1% 0.01% $651,649,453
WELLINGTON MANAGEMENT GROUP LLP 6.2% 7,408,561 -5.4% 0.07% $407,174,511
STATE STREET CORP 4.7% 5,617,334 -12% 0.01% $308,728,677
Deep Track Capital, LP 3.6% 4,300,000 +18% 6.6% $236,328,000
BANK OF AMERICA CORP /DE/ 2.6% 3,061,796 +16% 0.01% $168,276,308
GEODE CAPITAL MANAGEMENT, LLC 2.5% 3,040,202 +1.5% 0.01% $167,111,997
Polar Capital Holdings Plc 2.3% 2,782,930 -0.55% 0.74% $152,949,833
RTW INVESTMENTS, LP 2.3% 2,721,158 0% 1.8% $149,554,844
PRICE T ROWE ASSOCIATES INC /MD/ 2% 2,366,848 +27% 0.01% $130,083,000
UBS Group AG 1.5% 1,803,251 -41% 0.02% $99,106,675
Woodline Partners LP 1.4% 1,647,725 +676% 0.43% $90,558,966
GOLDMAN SACHS GROUP INC 1.4% 1,634,723 +28% 0.01% $89,844,376
JPMORGAN CHASE & CO 1.3% 1,542,857 +17% 0.01% $84,795,420
MORGAN STANLEY 1.3% 1,521,186 +36% 0.01% $83,604,444
NORTHERN TRUST CORP 1.2% 1,406,832 +2% 0.01% $77,319,488
Integral Health Asset Management, LLC 1.2% 1,400,000 +40% 5.6% $76,944,000
CITADEL ADVISORS LLC 1.2% 1,386,065 +6.7% 0.06% $76,178,132
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.2% 1,373,883 +1.2% 0.01% $75,508,610
ARMISTICE CAPITAL, LLC 1% 1,196,868 -8.8% 2.1% $65,779,865
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. 1% 1,192,484 +10% 5.1% $65,538,921
Capital International Investors 0.99% 1,178,780 +0.91% 0.01% $64,785,749
PRINCIPAL FINANCIAL GROUP INC 0.98% 1,174,448 -0.87% 0.03% $64,547,663

Institutional Holders of CYTOKINETICS INC - COMMON STOCK (CYTK) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q4 48,737 $3,107,578 -$2,343,578 $63.54 8
2025 Q3 140,918,559 $7,744,283,008 +$248,284,834 $54.96 376
2025 Q2 137,673,271 $4,548,796,640 +$22,761,499 $33.04 309
2025 Q1 134,841,154 $5,424,120,165 +$124,947,280 $40.19 351
2024 Q4 131,307,506 $6,182,587,231 -$258,868,970 $47.04 342
2024 Q3 134,972,901 $7,127,084,491 -$76,106,017 $52.80 348
2024 Q2 135,460,541 $7,337,313,472 +$958,985,342 $54.18 351
2024 Q1 116,704,973 $8,183,106,182 +$219,853,893 $70.11 392
2023 Q4 332,271 $27,731,943 +$4,934,911 $83.49 4
2023 Q3 108,419,837 $3,194,217,873 +$11,036,096 $29.46 244
2023 Q2 106,646,104 $3,480,589,719 -$38,310,785 $32.62 246
2023 Q1 107,552,318 $3,783,669,618 +$68,564,865 $35.19 255
2022 Q4 106,314,317 $4,879,277,216 +$70,020,188 $45.82 269
2022 Q3 89,735,826 $4,346,616,824 -$100,372,482 $48.45 262
2022 Q2 91,896,852 $3,607,650,636 +$406,560,690 $39.29 249
2022 Q1 81,782,994 $3,010,372,611 +$152,134,040 $36.81 225
2021 Q4 90,115,859 $4,104,593,563 +$33,336,758 $45.58 238
2021 Q3 89,182,505 $3,184,083,008 +$487,903,084 $35.74 201
2021 Q2 75,500,552 $1,494,253,848 +$7,758,286 $19.79 181
2021 Q1 74,703,392 $1,736,582,618 +$70,863,620 $23.26 186
2020 Q4 72,427,397 $1,504,711,565 -$7,199,858 $20.78 173
2020 Q3 68,793,341 $1,486,919,340 +$223,898,251 $21.65 176
2020 Q2 57,898,590 $1,364,648,639 +$106,425,753 $23.57 154
2020 Q1 52,639,764 $620,477,415 -$6,055,336 $11.79 137
2019 Q4 54,325,360 $576,376,840 +$110,957,221 $10.61 135
2019 Q3 42,728,625 $486,251,307 +$8,024,890 $11.38 137
2019 Q2 42,086,538 $473,445,943 +$63,742,611 $11.25 126
2019 Q1 39,043,049 $315,931,137 +$3,212,559 $8.09 122
2018 Q4 39,532,757 $249,816,749 +$227,833 $6.32 119
2018 Q3 38,246,560 $376,723,063 +$11,812,411 $9.85 110
2018 Q2 37,494,054 $311,218,002 +$5,853,383 $8.30 119
2018 Q1 36,846,465 $265,286,731 -$12,318,500 $7.20 118
2017 Q4 38,426,331 $313,265,401 -$31,639,128 $8.15 124
2017 Q3 38,980,718 $565,174,810 +$21,918,351 $14.50 125
2017 Q2 38,117,536 $461,334,423 +$119,363,256 $12.10 133
2017 Q1 28,035,384 $360,246,466 +$62,643,666 $12.85 102
2016 Q4 26,418,852 $320,904,146 -$2,121,679 $12.15 97
2016 Q3 26,660,001 $244,742,898 +$491,496 $9.18 87
2016 Q2 26,539,739 $251,856,889 +$5,256,368 $9.49 92
2016 Q1 26,619,209 $187,496,987 -$3,874,309 $7.05 103
2015 Q4 26,471,070 $276,904,125 +$55,278,305 $10.46 124
2015 Q3 21,585,065 $144,503,660 +$6,050,338 $6.69 102
2015 Q2 20,416,358 $137,192,627 +$7,722,814 $6.72 93
2015 Q1 19,594,890 $132,978,626 +$965,004 $6.78 91
2014 Q4 19,143,626 $153,243,250 +$252,136 $8.01 83
2014 Q3 19,775,788 $69,615,049 -$7,582,600 $3.52 80
2014 Q2 20,755,367 $99,208,515 -$24,735,703 $4.78 84
2014 Q1 22,477,555 $213,589,026 +$39,996,206 $9.50 103