# MATRIX SVC CO (MTRX) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 576853105
Page URL: https://superinvestorclub.com/stock/MTRX
Last updated: 2026-07-27T02:12:08.510Z

## Summary

As of the most recent 13F filing period, MATRIX SVC CO (MTRX) is held by 1 tracked superinvestors with an aggregate position value of $9.8M representing 0850809 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [First Eagle](https://superinvestorclub.com/manager/21222) | First Eagle Investment Management | 850809 | $9.8M | 0.02% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2025-03-31: 1 holders, $3.9M aggregate, 0317194 shares
- 2025-06-30: 1 holders, $6.9M aggregate, 0509194 shares
- 2025-09-30: 1 holders, $7.6M aggregate, 0581874 shares
- 2025-12-31: 1 holders, $7.5M aggregate, 0640083 shares
- 2026-03-31: 1 holders, $9.8M aggregate, 0850809 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "MATRIX SVC CO (MTRX) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/MTRX), aggregating SEC 13F, Form 4, and congressional disclosures."