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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 %
OTL
201
Oak Thistle LLC
New York
$696K -$1.29M -7,719 -65%
PCM
202
Peregrine Capital Management
Minnesota
$668K -$293K -1,750 -30%
MAM
203
Martingale Asset Management
Massachusetts
$668K -$9.99M -59,631 -94%
ST
204
Smithfield Trust
Pennsylvania
$661K -$30.7K -183 -4%
BLC
205
Brown, Lisle/Cummings
Rhode Island
$649K -$169K -1,006 -21%
NYLIM
206
New York Life Investment Management
New York
$648K -$13.7K -82 -2%
D.E. Shaw & Co
207
D.E. Shaw & Co
New York
$643K -$15.4M -92,221 -96%
Renaissance Technologies
208
Renaissance Technologies
New York
$637K -$7.71M -46,000 -92%
Arrowstreet Capital
209
Arrowstreet Capital
Massachusetts
$633K -$111K -660 -15%
Federated Hermes
210
Federated Hermes
Pennsylvania
$615K -$204K -1,216 -25%
Public Employees Retirement Association of Colorado
211
Public Employees Retirement Association of Colorado
Colorado
$604K -$5.69K -34 -0.9%
IC
212
Inscription Capital
Texas
$600K +$600K +3,583 New
P
213
&Partners
Tennessee
$599K +$46.7K +279 +8%
State of Wisconsin Investment Board
214
State of Wisconsin Investment Board
Wisconsin
$590K -$97.7K -583 -14%
Skandinaviska Enskilda Banken (SEB)
215
Skandinaviska Enskilda Banken (SEB)
Sweden
$586K – – –
VPIM
216
Vanguard Personalized Indexing Management
California
$572K +$158K +942 +38%
SWM
217
Sendero Wealth Management
Texas
$550K +$550K +3,284 New
TFO
218
Tarbox Family Office
California
$546K – – –
AWM
219
Apollon Wealth Management
South Carolina
$531K +$168 +1 +0%
XT
220
XTX Topco
Cayman Islands
$525K +$78.6K +469 +18%
CA
221
Clearstead Advisors
Ohio
$506K +$6.7K +40 +1%
MK
222
MASTERINVEST Kapitalanlage
$506K +$506K +3,019 New
AA
223
Ancora Advisors
Ohio
$503K – – –
SC
224
Syon Capital
California
$501K +$501K +2,990 New
SAM
225
Securian Asset Management
Minnesota
$496K – – –
7 8
9
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