Cytokinetics Ownership | Who Owns Cytokinetics?

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Cytokinetics Ownership Summary

Cytokinetics is owned by 111.58% institutional investors, 0.54% insiders. Blackrock is the largest institutional shareholder, holding 14.40% of CYTK shares. Vanguard Health Care Inv is the top mutual fund, with 3.45% of its assets in Cytokinetics shares.

CYTK Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Cytokinetics	111.58%	0.54%	-12.12%
Sector	Healthcare Stocks	57.39%	9.93%	32.68%
Industry	Biotech Stocks	68.48%	9.65%	21.87%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	14.67M	14.40%	$794.97M
Blackrock funding, inc. /de	15.47M	13.14%	$727.68M
Vanguard group	11.92M	10.13%	$560.52M
Fmr	10.79M	9.17%	$507.78M
T. rowe price investment management	10.75M	9.14%	$505.78M
Wellington management group llp	7.89M	6.70%	$371.08M
State street	6.17M	5.24%	$290.11M
Geode capital management	2.84M	2.41%	$133.69M
Rtw investments, lp	2.72M	2.31%	$128.00M
Price t rowe associates inc /md/	2.63M	2.23%	$123.48M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Rp management	980.39K	22.73%	$51.76M
Sarissa capital management lp	833.80K	12.15%	$39.22M
Great point partners	360.00K	7.98%	$16.93M
Vestal point capital, lp	2.35M	6.55%	$110.54M
Melqart asset management (uk)	1.14M	6.45%	$53.46M
Saturn v capital management	348.36K	6.42%	$16.39M
Boxer capital	2.10M	5.99%	$113.78M
Superstring capital management lp	129.39K	5.27%	$6.09M
Logos global management lp	900.00K	4.95%	$42.34M
Dafna capital management	398.10K	4.76%	$18.73M

Top Buyers

Holder	Shares	% Assets	Change
Blackrock	14.67M	0.02%	2.26M
Deep track capital, lp	2.50M	4.39%	1.87M
Capital investors	1.10M	0.01%	1.10M
T. rowe price investment management	10.75M	0.31%	1.06M
Norges bank	989.72K	0.01%	989.72K

Top Sellers

Holder	Shares	% Assets	Change
Darwin global management	-	-	-4.58M
Pfm health sciences, lp	-	-	-1.76M
Fmr	10.79M	0.03%	-1.30M
Avidity partners management lp	-	-	-600.00K
Armistice capital	1.31M	0.84%	-584.58K

New Positions

Holder	Shares	% Assets	Change	Value
Capital investors	1.10M	0.01%	1.10M	$51.56M
Norges bank	989.72K	0.01%	989.72K	$46.56M
Groupama asset managment	350.00K	0.01%	350.00K	$421.29K
Susquehanna fundamental investments	131.80K	0.09%	131.80K	$6.20M
Allostery investments lp	65.00K	3.19%	65.00K	$3.06M

Sold Out

Holder	Change
Financial gravity asset management	-2.00
Principal securities	-5.00
Institutional & family asset management	-7.00
Capital performance advisors llp	-8.00
Versant capital management	-11.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2024	374	-5.32%	131,318,059	-2.91%	111	0.84%	166	-12.17%	128	29.29%
Sep 30, 2024	390	0.52%	135,010,879	-0.29%	114	0.65%	187	-6.50%	99	-2.94%
Jun 30, 2024	388	-14.35%	135,400,422	16.07%	132	1.01%	200	-11.11%	102	-22.14%
Mar 31, 2024	453	6.34%	116,652,886	2.18%	114	0.82%	225	10.29%	131	11.02%
Dec 31, 2023	426	52.14%	114,167,448	3.81%	118	0.90%	204	64.52%	118	47.50%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Health Care Inv	4.07M	3.45%	-
iShares Core S&P Mid-Cap ETF	3.85M	3.26%	7.04K
Vanguard Total Stock Mkt Idx Inv	3.74M	3.15%	2.52K
Vanguard US Total Market Shares ETF	3.75M	3.15%	128.42K
Vanguard Small Cap Index	3.01M	2.54%	2.46K
iShares Russell 2000 ETF	3.00M	2.54%	-26.02K
T. Rowe Price US Mid-Cap Growth Equity	1.99M	1.68%	-8.70K
T. Rowe Price Mid-Cap Growth	1.99M	1.68%	-
SPDR® S&P Biotech ETF	1.81M	1.53%	-19.36K
Vanguard Institutional Extnd Mkt Idx Tr	1.79M	1.51%	5.00K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 10, 2025	Blum Robert I	President & CEO	Sell	$183.85K
Apr 08, 2025	Malik Fady Ibraham	EVP Research & Development	Sell	$72.36K
Apr 07, 2025	Callos Andrew	EVP, Chief Commercial Officer	Sell	$103.26K
Apr 03, 2025	Harrington Robert Arthur	-	Sell	$17.74K
Mar 31, 2025	Blum Robert I	President & CEO	Sell	$611.25K

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	-	4
2025 Q1	-	22
2024 Q4	-	20
2024 Q3	-	25
2024 Q2	-	17

CYTK Ownership FAQ

Who Owns Cytokinetics?

Cytokinetics shareholders are primarily institutional investors at 111.58%, followed by 0.54% insiders and -12.12% retail investors. The average institutional ownership in Cytokinetics's industry, Biotech Stocks , is 68.48%, which Cytokinetics exceeds.

Who owns the most shares of Cytokinetics?

Cytokinetics’s largest shareholders are Blackrock (14.67M shares, 14.40%), Blackrock funding, inc. /de (15.47M shares, 13.14%), and Vanguard group (11.92M shares, 10.13%). Together, they hold 37.67% of Cytokinetics’s total shares outstanding.

Does Blackrock own Cytokinetics?

Yes, BlackRock owns 14.40% of Cytokinetics, totaling 14.67M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 794.97M$. In the last quarter, BlackRock increased its holdings by 2.26M shares, a 18.19% change.

Who is Cytokinetics’s biggest shareholder by percentage of total assets invested?

Rp management is Cytokinetics’s biggest shareholder by percentage of total assets invested, with 22.73% of its assets in 980.39K Cytokinetics shares, valued at 51.76M$.

Who is the top mutual fund holder of Cytokinetics shares?

Vanguard Health Care Inv is the top mutual fund holder of Cytokinetics shares, with 3.45% of its total shares outstanding invested in 4.07M Cytokinetics shares.

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