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Of the 13 tracked institutions holding CYTK, 7 have a 3-year clone track record — 7 of them beat the S&P. Average holder's clone alpha: +5.8pt. It's a gauge of who owns the name, not just how many.
Among the 13 tracked institutional investors we monitor, CYTK (CYTOKINETICS INC) is held with a combined value of $3.87B across 59,171,449 shares. The largest holder is BlackRock, Inc. with a position worth $1.09B (0.02% of their portfolio). 2 funds opened new positions in the most recent quarter. 4 funds increased their holdings. 7 funds reduced their position.
Total Institutional Value
$3.87B
Total Shares Held
59,171,449
Institutional Holders
13
% of Shares Outstanding
47.6%
of 124.43M shares · SEC 2026-05-04
Days to Cover
9.0-3.0%
17.05M shares short · FINRA 2026-07-15
Tracked 13F institutions hold 47.6% of CYTK's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-05-04), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $1.09B | 0.02% | +0.9% |
| 2 | VANGUARD GROUP INC | $765.54M | 0.01% | +1.6% |
| 3 | FMR LLC | $706.76M | 0.04% | -16.3% |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | $527.91M | 0.10% | +0.9% |
| 5 | STATE STREET CORP | $378.67M | 0.01% | -1.4% |
| 6 | PRICE T ROWE ASSOCIATES INC /MD/ | $104.42M | 0.01% | -17.9% |
| 7 | CITADEL ADVISORS LLC | $72.49M | 0.05% | -5.4% |
| 8 | Capital Research Global Investors | $50.82M | 0.01% | New |
| 9 | Fisher Asset Management, LLC | $50.64M | 0.02% | -6.6% |
| 10 | ARMISTICE CAPITAL, LLC | $50.39M | 1.66% | -69.3% |
| Member | Type | Date |
|---|---|---|
| Gilbert Cisneros | Buy | Jun 30, 2026 |
| Gilbert Cisneros | Buy | Oct 9, 2025 |
| Lisa McClain | Sell | Jun 17, 2025 |
| Lisa McClain | Buy |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of CYTK with a position worth $1.09B, representing 0.02% of their portfolio. In total, 13 institutional investors hold CYTK with a combined value of $3.87B.
In the most recent quarter, 2 funds opened a new position in CYTK. Additionally, 4 increased their holdings and 7 reduced their positions.
Institutional investors hold $3.87B worth of CYTK stock across 13 positions. The largest institutional holder is BlackRock, Inc. with $1.09B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For CYTK, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their CYTK positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| Jun 11, 2025 |
Last Close
$80.74
2026-07-24
YTD
+30.8%
88% of 52-week range
