DOSSIER · 13F Holders · Q1 2026
MTRX
MATRIX SVC CO
152 institutions still hold MATRIX SVC CO as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 576853105·152 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
152 institutions reported MTRX in Q1 2026. BlackRock, Inc. leads at 12.5% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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