# MSA SAFETY INC COM

MSA SAFETY INC COM is a security (CUSIP 553498106) tracked across SEC portfolio filings. 463 institutional managers reported $5.2B on Form 13F as of 2026-06-30; 38 registered fund positions totaling $634.6M via N-PORT as of 2026-05-31.

## Summary

- Issuer: MSA SAFETY INC
- Class: COM
- CUSIP: 553498106
- Asset category: EC
- 13F holders: 463
- 13F value: $5.2B
- 13F period: 2026-06-30
- N-PORT fund positions: 38
- N-PORT value: $634.6M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 463 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $607.4M | 3,792,712 |
| BlackRock, Inc. | New York, NY | $533.1M | 3,251,717 |
| [Ruane, Cunniff & Goldfarb L.P.](https://search.stillhousedata.com/firm/285971) | New York, NY | $291.2M | 1,776,282 |
| STATE STREET CORP | BOSTON, MA | $252.3M | 1,538,690 |
| APG Asset Management N.V. | Amsterdam, P7 | $213.1M | 1,497,591 |
| [COOKE & BIELER LP](https://search.stillhousedata.com/firm/113859) | PHILADELPHIA, PA | $126.6M | 725,229 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $124.3M | 758,344 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $122.1M | 759,692 |
| M&G PLC | London, X0 | $120.8M | 690,334 |
| Bank of New York Mellon Corp | NEW YORK, NY | $117.5M | 672,834 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $113.5M | 692,020 |
| [FIDUCIARY MANAGEMENT INC /WI/](https://search.stillhousedata.com/firm/109149) | MILWAUKEE, WI | $111.3M | 678,986 |
| [Champlain Investment Partners, LLC](https://search.stillhousedata.com/firm/132474) | BURLINGTON, VT | $105.2M | 641,879 |
| [Channing Capital Management, LLC](https://search.stillhousedata.com/firm/128450) | Chicago, IL | $104.8M | 600,058 |
| FIRST TRUST ADVISORS LP | Wheaton, IL | $102.6M | 625,757 |

## Top fund holders (N-PORT)

_Showing 15 of 38 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $180.2M | 74.39% |
| [Sequoia Fund Inc](https://search.stillhousedata.com/fund/S000012155) | Sequoia Fund Inc | $110.2M | 331.26% |
| [FMI Common Stock Fund](https://search.stillhousedata.com/fund/S000043149) | FMI Funds Inc | $109.8M | 626.05% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $66.8M | 8.19% |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $37.7M | 4.65% |
| [T. Rowe Price Small-Cap Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002120) | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $24.0M | 29.80% |
| [T. Rowe Price Small-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002121) | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $17.3M | 18.76% |
| [T. Rowe Price Institutional Small-Cap Stock Fund](https://search.stillhousedata.com/fund/S000002094) | T. Rowe Price Equity Funds, Inc. | $13.6M | 31.27% |
| [Value Line Small Cap Opportunities Fund, Inc.](https://search.stillhousedata.com/fund/S000007569) | Value Line Small Cap Opportunities Fund, Inc. | $12.7M | 163.52% |
| [ALPS | OShares U.S. Small-Cap Quality Dividend ETF](https://search.stillhousedata.com/fund/S000075798) | ALPS ETF TRUST | $12.4M | 141.49% |
| [CONESTOGA SMID CAP FUND](https://search.stillhousedata.com/fund/S000043859) | Conestoga Funds | $11.9M | 239.32% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $4.5M | 2.07% |
| [Columbia Mid Cap Index Fund](https://search.stillhousedata.com/fund/S000010826) | COLUMBIA FUNDS SERIES TRUST | $4.3M | 16.99% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $3.6M | 0.61% |
| [Large Cap Index Master Portfolio](https://search.stillhousedata.com/fund/S000033023) | Master Investment Portfolio | $3.5M | 0.97% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/553498106.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.