ROCKET LAB CORP

Ticker: RKLB CUSIP: 773121108 Class: EQTY

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

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

Q4 2025

Shares 2,592,443 Value ($000) $180,849 Avg Close $57.32 Range $37.57 - $79.83

Q3 2025

Shares 2,437,820 Value ($000) $116,796 Avg Close $45.36 Range $33.73 - $55.17

Q2 2025

Shares 2,365,048 Value ($000) $84,598 Avg Close $24.48 Range $14.71 - $37.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,592,443	$180,849	$57.32	$37.57 - $79.83
Q3 2025	2,437,820	$116,796	$45.36	$33.73 - $55.17
Q2 2025	2,365,048	$84,598	$24.48	$14.71 - $37.95