# CYTOKINETICS INC COM NEW

CYTOKINETICS INC COM NEW is a security (CUSIP 23282W605) tracked across SEC portfolio filings. 474 institutional managers reported $9.2B on Form 13F as of 2026-06-30; 67 registered fund positions totaling $1.3B via N-PORT as of 2026-05-31.

## Summary

- Issuer: CYTOKINETICS INC
- Class: COM NEW
- CUSIP: 23282W605
- Asset category: EC
- 13F holders: 474
- 13F value: $9.2B
- 13F period: 2026-06-30
- N-PORT fund positions: 67
- N-PORT value: $1.3B
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 474 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $1.1B | 16,548,011 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $765.5M | 12,048,131 |
| FMR LLC | BOSTON, MA | $706.8M | 10,723,140 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $527.9M | 8,009,489 |
| STATE STREET CORP | BOSTON, MA | $378.7M | 5,745,193 |
| [Avoro Capital Advisors LLC](https://search.stillhousedata.com/firm/154091) | New York, NY | $219.7M | 3,333,333 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $212.0M | 3,215,415 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $206.0M | 3,125,436 |
| [RTW INVESTMENTS, LP](https://search.stillhousedata.com/firm/153232) | NEW YORK, NY | $179.4M | 2,721,158 |
| [ARMISTICE CAPITAL, LLC](https://search.stillhousedata.com/firm/168978) | NEW YORK, NY | $175.6M | 764,538 |
| [Integral Health Asset Management, LLC](https://search.stillhousedata.com/firm/301987) | NEW YORK, NY | $171.4M | 1,600,000 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $161.9M | 2,205,758 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $146.5M | 898,951 |
| UBS Group AG | Zurich, V8 | $138.6M | 2,077,277 |
| [Caption Management, LLC](https://search.stillhousedata.com/firm/173841) | OKLAHOMA CITY, OK | $122.4M | 245,000 |

## Top fund holders (N-PORT)

_Showing 15 of 67 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $243.0M | 100.32% |
| [VANGUARD HEALTH CARE FUND](https://search.stillhousedata.com/fund/S000002922) | VANGUARD SPECIALIZED FUNDS | $222.8M | 60.44% |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $139.4M | 17.20% |
| [T. Rowe Price Mid-Cap Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000002102) | T. ROWE PRICE MID-CAP GROWTH FUND, INC. | $111.2M | 49.34% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $90.0M | 11.05% |
| [T. Rowe Price Small-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002121) | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $77.7M | 84.21% |
| [T. Rowe Price Small-Cap Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002120) | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $70.7M | 87.60% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $51.0M | 29.12% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $43.8M | 20.12% |
| [T. Rowe Price Health Sciences Fund, Inc.](https://search.stillhousedata.com/fund/S000002088) | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $43.7M | 40.12% |
| [T. Rowe Price Institutional Small-Cap Stock Fund](https://search.stillhousedata.com/fund/S000002094) | T. Rowe Price Equity Funds, Inc. | $38.6M | 89.18% |
| abrdn Healthcare Investors | abrdn Healthcare Investors | $17.7M | 155.45% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $16.5M | 12.88% |
| [Fidelity Advisor Health Care Fund](https://search.stillhousedata.com/fund/S000005329) | Fidelity Advisor Series VII | $13.9M | 48.30% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $12.8M | 26.60% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/23282w605.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.