DATADOG INC

Ticker: DDOG CUSIP: 23804L103 Class: EQTY

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

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

Q1 2025

Shares 640,549 Value ($000) $63,549 Avg Close $126.18 Range $96.63 - $153.42

Q4 2024

Shares 566,408 Value ($000) $80,934 Avg Close $137.35 Range $113.08 - $170.08

Q3 2024

Shares 597,805 Value ($000) $68,783 Avg Close $116.83 Range $98.80 - $134.80

Q2 2024

Shares 566,746 Value ($000) $73,501 Avg Close $120.98 Range $107.30 - $132.90

Q1 2024

Shares 499,579 Value ($000) $61,748 Avg Close $125.70 Range $110.69 - $138.61

Q4 2023

Shares 511,031 Value ($000) $62,029 Avg Close $103.00 Range $77.81 - $124.69

Q3 2023

Shares 493,343 Value ($000) $44,939 Avg Close $98.92 Range $83.87 - $118.02

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	640,549	$63,549	$126.18	$96.63 - $153.42
Q4 2024	566,408	$80,934	$137.35	$113.08 - $170.08
Q3 2024	597,805	$68,783	$116.83	$98.80 - $134.80
Q2 2024	566,746	$73,501	$120.98	$107.30 - $132.90
Q1 2024	499,579	$61,748	$125.70	$110.69 - $138.61
Q4 2023	511,031	$62,029	$103.00	$77.81 - $124.69
Q3 2023	493,343	$44,939	$98.92	$83.87 - $118.02