484 institutions reported holding Janus Henderson as of 2026-03-31, totalling $7.3B. Sourced from SEC Form 13F filings, filed up to 45 days after quarter end.
#
Institution
Value
1
TRIAN FUND MANAGEMENT, L.P.
$1.6B
2
BlackRock, Inc.
$758M
3
VANGUARD PORTFOLIO MANAGEMENT LLC
$296M
4
VANGUARD CAPITAL MANAGEMENT LLC
$285M
5
STATE STREET CORP
$225M
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.