859 institutions reported holding Rocket Lab as of 2026-03-31, totalling $18.5B. Sourced from SEC Form 13F filings, filed up to 45 days after quarter end.
#
Institution
Value
1
BlackRock, Inc.
$2.4B
2
VANGUARD PORTFOLIO MANAGEMENT LLC
$1.7B
3
VANGUARD CAPITAL MANAGEMENT LLC
$1.6B
4
BAILLIE GIFFORD & CO
$1.2B
5
STATE STREET CORP
$894M
Source: SEC Form 13F filings via SEC EDGAR. Covers long US-listed equity only — short positions, bonds and non-US holdings are not reported on this form.