CYTK β€” CYTOKINETICS INC

Ownership history in Zimmer Partners, LP  Β·  8 quarters on record

AI Ownership Summary

Zimmer Partners, LP reported CYTOKINETICS INC (CYTK) in 8 quarterly 13F filings from 2024 Q1 through 2025 Q3. Peak portfolio weight reached 0.09% in 2024 Q2. The latest visible filing shows CYTK at 0.06% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this CYTK ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Zimmer Partners, LP's position in CYTOKINETICS INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q3

CYTK was reported at 0.06% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.09% in 2024 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q1 to 2025 Q3

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How Zimmer Partners, LP held CYTK β€” position size vs. price
% of Fund (quarterly)    CYTK price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 7 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 50,000 -26,500 -34.6% 0.06% $2.7M 2025-11-14 $66.44
2025 Q2 REDUCED 76,500 -5,632 -6.9% 0.05% $2.5M 2025-08-14 $38.72
2025 Q1 ADDED 82,132 +44,132 +116.1% 0.06% $3.3M 2025-05-15 $29.84
2024 Q4 REDUCED 38,000 -39,200 -50.8% 0.03% $1.8M 2025-02-14 $46.16
2024 Q3 REDUCED 77,200 -15,000 -16.3% 0.07% $4.1M 2024-11-14 $54.70
2024 Q2 ADDED 92,200 +53,600 +138.9% 0.09% $5.0M 2024-08-14 $55.88
2024 Q1 REDUCED 38,600 -11,400 -22.8% 0.06% $2.7M 2024-05-15 $60.50
1 older quarter hidden  β€”  Sign in free or upgrade to Premium to see full history

FAQ About Zimmer Partners, LP and CYTK

These are the practical questions this page is built to answer before you even open the full history table.

How long has Zimmer Partners, LP reported owning CYTK?

Zimmer Partners, LP reported CYTK across 7 quarterly 13F filings, from 2024 Q1 through 2025 Q3.

What was the largest reported CYTK position in Zimmer Partners, LP's portfolio?

The largest reported portfolio weight for CYTK was 0.09% in 2024 Q2.

What is the latest reported CYTK position on this page?

The most recent filing on this page is 2025 Q3, when Zimmer Partners, LP reported 50,000 shares, equal to 0.06% of portfolio, with an estimated market value of $2.7M.

What does the chart on this CYTK ownership page compare?

The chart compares Zimmer Partners, LP's quarterly CYTK portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

← Back to Zimmer Partners, LP Holdings