# METALLUS INC (MTUS) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 887399103
Page URL: https://superinvestorclub.com/stock/MTUS
Last updated: 2026-08-29T13:49:00.513Z

## Summary

As of the most recent 13F filing period, METALLUS INC (MTUS) is held by 1 tracked superinvestors with an aggregate position value of $11.4M representing 0608595 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Donald Smith & Co](https://superinvestorclub.com/manager/17) | Donald Smith & Co., Inc. | 608595 | $11.4M | 0.20% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2025-06-30: 1 holders, $8.6M aggregate, 0556489 shares
- 2025-09-30: 1 holders, $10.6M aggregate, 0644206 shares
- 2025-12-31: 1 holders, $16.5M aggregate, 0963671 shares
- 2026-03-31: 1 holders, $17.5M aggregate, 01071819 shares
- 2026-06-30: 1 holders, $11.4M aggregate, 0608595 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

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