As of 31 Dec 2025, 1 institutional investors reported holding 1 shares of MINE SAFETY APPLIANCES CO - COMMON STOCK (MSA).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1 | $54 | $54.00 | 1 | |
| 2025 Q3 | 1 | $54 | $54.00 | 1 | |
| 2025 Q2 | 1 | $54 | $54.00 | 1 | |
| 2025 Q1 | 1 | $54 | $54.00 | 1 | |
| 2024 Q4 | 1 | $54 | $54.00 | 1 | |
| 2024 Q3 | 1 | $54 | $54.00 | 1 | |
| 2024 Q2 | 1 | $54 | $54.00 | 1 | |
| 2024 Q1 | 1 | $54 | $54.00 | 1 | |
| 2023 Q4 | 1 | $54 | $54.00 | 1 | |
| 2023 Q3 | 1 | $54 | $54.00 | 1 | |
| 2023 Q2 | 1 | $54 | $54.00 | 1 | |
| 2023 Q1 | 1 | $54 | $54.00 | 1 | |
| 2022 Q4 | 1 | $54 | +$54 | $54.00 | 1 |
| 2019 Q1 | 0 | $0 | -$471,000 | $54.00 | 0 |
| 2018 Q4 | 5,000 | $471,000 | $94.20 | 1 | |
| 2018 Q3 | 5,000 | $532,000 | $106.40 | 1 | |
| 2018 Q2 | 5,000 | $482,000 | $96.40 | 1 | |
| 2018 Q1 | 5,000 | $416,000 | $83.20 | 1 | |
| 2017 Q4 | 5,000 | $388,000 | $77.60 | 1 | |
| 2017 Q3 | 5,000 | $398,000 | $79.60 | 1 | |
| 2017 Q2 | 5,000 | $406,000 | $81.20 | 1 | |
| 2017 Q1 | 5,000 | $353,000 | $70.60 | 1 | |
| 2016 Q4 | 5,000 | $347,000 | $69.40 | 1 | |
| 2016 Q3 | 5,000 | $290,000 | $58.00 | 1 | |
| 2016 Q2 | 5,000 | $263,000 | $52.60 | 1 | |
| 2016 Q1 | 5,000 | $242,000 | $48.40 | 1 | |
| 2015 Q4 | 5,000 | $217,000 | $43.40 | 1 | |
| 2015 Q3 | 5,000 | $200,000 | $40.00 | 1 | |
| 2015 Q2 | 5,000 | $243,000 | $48.60 | 1 | |
| 2015 Q1 | 5,000 | $249,000 | $49.80 | 1 | |
| 2014 Q4 | 5,000 | $265,000 | $53.00 | 1 | |
| 2014 Q3 | 5,000 | $247,000 | -$7,000 | $49.40 | 1 |
| 2014 Q2 | 5,124 | $294,000 | -$5,575,000 | $56.93 | 2 |
| 2014 Q1 | 102,945 | $5,867,000 | -$1,169,322,537 | $56.94 | 4 |