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CYTK — CYTOKINETICS INC

Reported value held$4.50B
Funds holding (latest)51
SectorHealth Care
Funds holding (Q2 2026)41
Institutional value$3.68B · 119.78M sh
New / Add / Cut / Exit2 / 25 / 10 / 1
Top-5 / Top-10 concentration67.4% / 83.4%
Institutional holdings change Accumulating +20.8% (+20.66M sh)
Institutional value change Up +58.3%

As of Q2 2026, 41 SEC-registered investment managers reported holding CYTK (CYTOKINETICS INC) in their latest 13F filings, with a combined reported value of $3.68B across 119.78M shares. That is +20.8% by share count (+20.66M shares) versus the previous quarter, while reported value moved +58.3%. Ownership is concentrated: the five largest holders account for 67.4% of reported value and the top ten for 83.4%.

Compared with the prior quarter, 2 opened new positions, 25 added to existing stakes, 10 trimmed, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

CYTK is classified in the Health Care sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
BlackRock Inc history Q2 2026 20.09M $1.71B 0.03% Add
Vanguard Group history Q4 2025 12.05M $765.54M 0.01% Add
Geode Capital Management history Q2 2026 3.71M $316.33M 0.02% Add
Citadel Advisors history Q2 2026 1.97M $167.55M 0.02% Add
Capital Research Global Investors history Q2 2026 1.69M $143.68M 0.02% Add
Northern Trust Corp history Q2 2026 1.65M $140.34M 0.02% Add
Point72 Asset Management history Q2 2026 1.59M $135.31M 0.16% Add
Charles Schwab Investment Management history Q2 2026 1.57M $133.39M 0.02% Add
Principal Global Investors history Q2 2026 1.31M $111.74M 0.06% Add
Invesco Ltd history Q2 2026 1.24M $105.24M 0.01% Add
UBS Group AG history Q2 2026 1.17M $99.78M 0.01% Reduce
D. E. Shaw & Co history Q2 2026 1.05M $89.29M 0.05% Add
Norges Bank Investment Management history Q2 2026 1.02M $86.51M 0.01% Add
Franklin Resources history Q2 2026 891.09K $75.91M 0.02% Add
Balyasny Asset Management history Q2 2026 35.64M $60.73M 0.08% Hold
MFS Investment Management history Q2 2026 549.35K $46.80M 0.02% Add
Marshall Wace history Q2 2026 451.47K $38.46M 0.03% Reduce
Two Sigma Investments history Q2 2026 15.77M $26.80M 0.02% Add
Capital World Investors history Q2 2026 248.81K $21.20M 0.00% Add
Janus Henderson Group history Q1 2026 282.12K $18.59M 0.01% Add

View all 51 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
BlackRock Inc — — — — — — — — — — — — 4.28M 4.88M 5.58M 5.38M 15.53M 16.40M 16.55M 20.09M
Geode Capital Management 1.40M 1.43M 1.47M 1.48M 1.59M 1.66M 1.73M 1.91M 1.98M 2.09M 2.25M 2.74M 2.85M 2.84M 2.94M 2.99M 3.04M 3.06M 3.22M 3.71M
Citadel Advisors 373.21K 89.33K 307.25K 4.71M 560.96K 196.06K 62.40K 1.01M 1.40M 4.00M 44.35M 1.23M 1.32M 1.76M 1.51M 1.70M 1.76M 1.57M 1.55M 1.97M
Capital Research Global Investors — — — — — — — — — — — — — — — — — — 771.00K 1.69M
Northern Trust Corp 1.01M 1.01M 964.79K 971.67K 992.35K 1.01M 1.01M 1.10M 1.07M 1.06M 1.11M 1.28M 1.33M 1.47M 1.45M 1.38M 1.41M 1.38M 1.44M 1.65M
Point72 Asset Management 1.01M 885.45K 1.62M 19.63K 32.00K 271.50K — 160.40K 40.00K 17.00M 15.00M 414.85K 524.01K 269.91K 29.65M 55.00K 521.48K 37.20K 661.00K 1.59M
Charles Schwab Investment Management 611.53K 584.67K 600.49K 607.00K 705.21K 726.08K 722.68K 771.08K 756.71K 789.97K 775.56K 925.68K 1.32M 1.34M 1.31M 1.36M 1.37M 1.38M 1.40M 1.57M
Principal Global Investors 599.23K 677.12K 658.15K 673.27K 612.45K 665.38K 582.90K 555.72K 525.28K 521.17K 431.56K 393.58K 273.08K 271.13K 629.91K 1.18M 1.17M 976.89K 1.09M 1.31M
Invesco Ltd 427.06K 759.67K 398.65K 547.60K 1.41M 1.45M 1.48M 1.50M 1.18M 1.24M 1.32M 1.10M 1.00M 1.00M 501.88K 136.31K 157.25K 204.88K 484.98K 1.24M
UBS Group AG 134.50K 244.37K 248.02K 164.48K 210.90K 335.22K 266.93K 318.10K 287.97K 360.11K 298.74K 299.60K 314.16K 1.20M 581.00K 3.07M 1.82M 1.13M 2.10M 1.17M
D. E. Shaw & Co — 106.28K — — 41.94K — — — 27.33M 29.33M 100.85K 119.30K 131.09K 84.30K 86.00K 128.48K 104.70K 200.72K 747.33K 1.05M
Norges Bank Investment Management — — — — — 839.36K — — — 722.23K — 799.66K — 989.72K — 1.18M — 807.07K — 1.02M
Franklin Resources 1.00M 1.04M 1.09M 1.09M 1.11M 1.11M 1.08M 1.12M 1.13M 660.68K 2.63M 1.95M 536.45K 545.81K 537.62K 402.79K 409.73K 409.99K 409.78K 891.09K
Balyasny Asset Management 36.91K 9.91K — 188.64K 283.25K 881.41K 952.00K 1.07M 1.22M 21.00M 38.50M 802.47K 122.19K — — — 360.60K 358.50K 35.64M 35.64M
MFS Investment Management — — — — — — — — — — — 276.07K 344.45K 319.28K 319.53K 497.60K 496.67K 327.20K 311.65K 549.35K
Marshall Wace — 44.17K 30.91K 1.35M 955.89K 1.01M 745.31K 255.39K 1.53M 626.09K 2.56M 1.68M 1.87M 2.15M 2.03M 21.23K 178.98K 337.03K 656.61K 451.47K
Two Sigma Investments 678.57K 588.74K 87.33K — 22.55K 175.46K 215.08K 42.60K 96.66K 106.84K 85.34K 58.60K 258.92K 91.17K 44.16K — — 8.50M 285.01K 15.77M
Capital World Investors — — — — — — — — — — — — — — — — — — 242.04K 248.81K
Deutsche Bank AG 135.59K 92.29K 87.51K 83.26K 175.69K 194.00K 219.48K 201.11K 206.77K 565.15K 121.21K 119.66K 134.93K 880.00K 880.00K 270.00K 165.56K 175.80K 187.14K 216.54K
Prudential Financial 89.22K 88.60K 88.60K 88.38K 97.30K 96.21K 93.02K 119.21K 113.42K 111.67K 35.53K 27.64K 30.49K 25.34K 35.23K 26.22K 43.33K 42.03K 59.42K 214.53K

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