# MSA SAFETY INC (MSA) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 553498106
Page URL: https://superinvestorclub.com/stock/MSA
Last updated: 2026-08-29T13:48:56.017Z

## Summary

As of the most recent 13F filing period, MSA SAFETY INC (MSA) is held by 4 tracked superinvestors with an aggregate position value of $332.3M representing 01721415166305140471470 shares.

## Top institutional holders (4)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Sequoia Fund](https://superinvestorclub.com/manager/14) | Ruane, Cunniff & Goldfarb | 1721415 | $300.5M | 4.68% | 2026-06-30 |
| 2 | [Francois Rochon](https://superinvestorclub.com/manager/45) | Giverny Capital | 166305 | $29.0M | 0.98% | 2026-06-30 |
| 3 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 14047 | $2.5M | 0.01% | 2026-06-30 |
| 4 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 1470 | $256,633 | 0.00% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 1 holders, $500,817 aggregate, 02587 shares
- 2024-09-30: 2 holders, $566,779 aggregate, 017261470 shares
- 2024-12-31: 1 holders, $243,682 aggregate, 01470 shares
- 2025-03-31: 1 holders, $218,568 aggregate, 01490 shares
- 2025-06-30: 2 holders, $159.2M aggregate, 09490671470 shares
- 2025-09-30: 2 holders, $293.7M aggregate, 017052861470 shares
- 2025-12-31: 3 holders, $290.4M aggregate, 01811635147024 shares
- 2026-03-31: 4 holders, $291.9M aggregate, 017762822626147024 shares
- 2026-06-30: 4 holders, $332.3M aggregate, 01721415166305140471470 shares

## Recent congressional trades (3)

- 2025-11-20: Michael McCaul (Republican-TX) purchase $15,001 - $50,000
- 2025-08-21: Michael McCaul (Republican-TX) sale $1,001 - $15,000
- 2025-04-15: Michael McCaul (Republican-TX) purchase $50,001 - $100,000

## Recent insider transactions (0)


## Citation

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