Mine Safety
390 hedge funds and large institutions have $6B invested in Mine Safety in 2025 Q2 according to their latest regulatory filings, with 68 funds opening new positions, 129 increasing their positions, 148 reducing their positions, and 50 closing their positions.
75% more funds holding in top 10
Funds holding in top 10: 4 → 7 (+3)
36% more first-time investments, than exits
New positions opened: 68 | Existing positions closed: 50
23% more capital invested
Capital invested by funds: $4.9B → $6B (+$1.1B)
6.42% more ownership
Funds ownership: 85.39% → 91.81% (+6.4%)
3% more funds holding
Funds holding: 377 → 390 (+13)
13% less repeat investments, than reductions
Existing positions increased: 129 | Existing positions reduced: 148
32% less call options, than puts
Call options by funds: $905K | Put options by funds: $1.34M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCG
Ruane, Cunniff & Goldfarb
New York
|
+$148M |
| 2 |
MGP
M&G plc
London,
United Kingdom
|
+$111M |
| 3 |
FMI
Fiduciary Management Inc
Milwaukee,
Wisconsin
|
+$82.7M |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$33.1M |
| 5 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$32.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
-$34.3M |
| 2 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$23.4M |
| 3 |
Norges Bank
Oslo,
Norway
|
-$19.9M |
| 4 |
Millennium Management
New York
|
-$18.1M |
| 5 |
D.E. Shaw & Co
New York
|
-$14.4M |
MSA Hedge Fund Activity: Q2 2025 in Review
390 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Mine Safety (MSA) for Q2 2025, worth a combined $6B — up 23% from $4.9B a quarter earlier.
Buyers outnumbered sellers: 68 funds opened new MSA positions and 50 closed out — a net gain of 18 holders — while 129 added to existing stakes and 148 trimmed.
The largest buyer was Ruane, Cunniff & Goldfarb, opening a new position worth an estimated $148M. The largest seller was JP Morgan Chase, cutting an estimated $34.3M.
- 390 institutional investors held Mine Safety (MSA) as of Q2 2025, up from 377 in Q1 2025.
- Funds reported $6B of Mine Safety stock for Q2 2025, up 23% quarter-over-quarter.
- 68 funds opened new Mine Safety positions in Q2 2025 and 50 closed out, a net change of +18 holders.
- The largest Mine Safety buyer in Q2 2025 was Ruane, Cunniff & Goldfarb, an estimated $148M added.
- The largest Mine Safety seller in Q2 2025 was JP Morgan Chase, an estimated $34.3M sold.
Based on aggregated 13F filings for Q2 2025.