2,571 institutions reported holding Thermo Fisher as of 2026-03-31, totalling $163.9B. Sourced from SEC Form 13F filings, filed up to 45 days after quarter end.
#
Institution
Value
1
BlackRock, Inc.
$15.0B
2
VANGUARD CAPITAL MANAGEMENT LLC
$11.9B
3
STATE STREET CORP
$8.2B
4
MORGAN STANLEY
$5.3B
5
FMR LLC
$5.3B
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.