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Mine Safety
MSA

Overview Fund Activity

385 hedge funds and large institutions have $6B invested in Mine Safety in 2025 Q2 according to their latest regulatory filings, with 65 funds opening new positions, 129 increasing their positions, 146 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
385
Holders Change
+10
Holders Change %
+2.67%
% of All Funds
5.16%
Holding in Top 10
7
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+75%
% of All Funds
0.09%
New
65
Increased
129
Reduced
146
Closed
49
Calls
$905K
Puts
$1.34M
Net Calls
-$435K
Net Calls Change
+$724K

Top Buyers

1
RCG
Ruane, Cunniff & Goldfarb
New York
$159M
2
MGP
M&G plc
United Kingdom
$121M
3
FMI
Fiduciary Management Inc
Wisconsin
$88.5M
4
UBS Group
UBS Group
Switzerland
$49.8M
5
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$130M

Top Sellers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$303M
2
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$3.36M
3
Millennium Management
Millennium Management
New York
$2.15M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
$643K
5
CIP
Champlain Investment Partners
Vermont
$279M
Name Holding Trade Value Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$638M -$2.76M -16,447 -0.4%
BlackRock
2
BlackRock
New York
$565M -$2.76M -16,483 -0.5%
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$303M -$36.8M -219,399 -11%
State Street
4
State Street
Massachusetts
$287M -$9.48M -56,566 -3%
CIP
5
Champlain Investment Partners
Vermont
$279M -$11.8M -70,622 -4%
APG Asset Management
6
APG Asset Management
Netherlands
$266M +$5.83M +40,844 +2%
T. Rowe Price Associates
7
T. Rowe Price Associates
Maryland
$192M +$4.23M +25,276 +2%
RCG
8
Ruane, Cunniff & Goldfarb
New York
$159M +$159M +949,067 New
Geode Capital Management
9
Geode Capital Management
Massachusetts
$140M -$470K -2,804 -0.3%
CB
10
Cooke & Bieler
Pennsylvania
$136M +$17.1M +102,318 +14%
CCA
11
Conestoga Capital Advisors
Pennsylvania
$131M -$1.01M -6,015 -0.8%
T. Rowe Price Investment Management
12
T. Rowe Price Investment Management
Maryland
$130M +$34.6M +206,351 +36%
Bank of New York Mellon
13
Bank of New York Mellon
New York
$126M -$1.86M -11,096 -1%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$124M -$114K -681 -0.1%
MGP
15
M&G plc
United Kingdom
$121M +$119M +709,596 +5,607%
First Trust Advisors
16
First Trust Advisors
Illinois
$103M +$11.2M +66,977 +12%
FMI
17
Fiduciary Management Inc
Wisconsin
$88.5M +$88.5M +528,255 New
CCM
18
Channing Capital Management
Illinois
$86.5M +$3.82M +22,804 +5%
UBS AM
19
UBS AM
Illinois
$86M -$3.36M -20,041 -4%
Morgan Stanley
20
Morgan Stanley
New York
$76.7M +$22.5M +134,276 +41%
Invesco
21
Invesco
Georgia
$75.2M +$4.77M +28,481 +7%
Charles Schwab
22
Charles Schwab
California
$71.7M +$527K +3,143 +0.7%
Principal Financial Group
23
Principal Financial Group
Iowa
$68.7M -$2.53M -15,123 -4%
Northern Trust
24
Northern Trust
Illinois
$66.3M -$278K -1,661 -0.4%
Brown Advisory
25
Brown Advisory
Maryland
$62.6M -$9.97M -59,522 -14%
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