CYTOKINETICS INC

Ticker: CYTK CUSIP: 23282W605 Class: EQTY

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

Note: Option positions (PUT/CALL) are excluded.

Q1 2025

Shares 1,310,336 Value ($000) $52,662 Avg Close $45.96 Range $39.81 - $52.80

Q4 2024

Shares 1,279,990 Value ($000) $60,211 Avg Close $51.94 Range $45.66 - $59.39

Q3 2024

Shares 1,212,886 Value ($000) $64,040 Avg Close $55.74 Range $51.05 - $61.38

Q2 2024

Shares 873,513 Value ($000) $47,327 Avg Close $60.36 Range $46.25 - $75.71

Q1 2024

Shares 731,386 Value ($000) $51,277 Avg Close $77.34 Range $61.33 - $110.25

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	1,310,336	$52,662	$45.96	$39.81 - $52.80
Q4 2024	1,279,990	$60,211	$51.94	$45.66 - $59.39
Q3 2024	1,212,886	$64,040	$55.74	$51.05 - $61.38
Q2 2024	873,513	$47,327	$60.36	$46.25 - $75.71
Q1 2024	731,386	$51,277	$77.34	$61.33 - $110.25