Arrowstreet Capital’s Mine Safety MSA Stock Holding History

Arrowstreet Capital’s Portfolio MSA Stock Details MSA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$699K	Buy	+4,002	New	+$670K	﹤0.01%	1704
2025 Q3	–	Sell	-3,776	Closed	-$633K	–	2040
2025 Q2	$633K	Sell	3,776 -660	-15%	-$103K	﹤0.01%	1701
2025 Q1	$651K	Buy	+4,436	New	+$707K	﹤0.01%	1580
2020 Q3	–	Sell	-2,121	Closed	-$243K	–	2447
2020 Q2	$243K	Hold	2,121	–	–	﹤0.01%	2145
2020 Q1	$215K	Buy	+2,121	New	+$267K	﹤0.01%	1716
2019 Q2	–	Sell	-16,200	Closed	-$1.68M	–	1585
2019 Q1	$1.68M	Buy	+16,200	New	+$1.63M	﹤0.01%	1162
2015 Q4	–	Sell	-25,700	Closed	-$1.03M	–	1529
2015 Q3	$1.03M	Buy	+25,700	New	+$1.2M	﹤0.01%	916
2013 Q4	–	Sell	-5,499	Closed	-$284K	–	1244
2013 Q3	$284K	Buy	+5,499	New	+$281K	﹤0.01%	863

Other funds holding MSA

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

RCG

Ruane, Cunniff & Goldfarb New York $6.43B AUM 18.44% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Cooke & Bieler Philadelphia, Pennsylvania $8.65B AUM 9.66% 1-Year Est. Return

FMI

Fiduciary Management Inc Milwaukee, Wisconsin $7.03B AUM 11.68% 1-Year Est. Return

MGP

M&G plc London, United Kingdom $20.1B AUM 16.62% 1-Year Est. Return

Arrowstreet Capital's MSA Position: Q2 2026 in Review

Arrowstreet Capital opened a new position in Mine Safety (MSA) in Q2 2026: 4,002 shares worth $699K. The stake represents ﹤0.01% of the portfolio and ranks #1704 among its holdings. This is a return to the name: Arrowstreet Capital previously reported a position in MSA as recently as Q2 2025.

Arrowstreet Capital first reported a position in MSA in Q3 2013 and has held it in 8 quarters since. The position peaked at $1.68M in Q1 2019. 458 funds tracked by Wall St. Rank hold MSA as of Q2 2026.

Arrowstreet Capital held 4,002 shares of Mine Safety worth $699K as of Q2 2026.
Mine Safety was a new Arrowstreet Capital position in Q2 2026.
Mine Safety made up ﹤0.01% of Arrowstreet Capital's portfolio in Q2 2026, its #1704 holding.
Arrowstreet Capital first reported a position in Mine Safety in Q3 2013 and has held it in 8 quarters since.
Arrowstreet Capital's Mine Safety position peaked at $1.68M in Q1 2019.
458 funds tracked by Wall St. Rank held Mine Safety as of Q2 2026.

Based on Arrowstreet Capital's 13F filing for Q2 2026, filed 13 Aug 2026.