1,879 institutions reported holding Constellation as of 2026-03-31, totalling $78.1B. Sourced from SEC Form 13F filings, filed up to 45 days after quarter end.
#
Institution
Value
1
BlackRock, Inc.
$6.6B
2
ECP ControlCo, LLC
$6.2B
3
VANGUARD CAPITAL MANAGEMENT LLC
$5.6B
4
STATE STREET CORP
$5.2B
5
VANGUARD PORTFOLIO MANAGEMENT LLC
$4.2B
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.