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
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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

RCG

Ruane, Cunniff & Goldfarb New York $6.03B AUM 12.06% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

CIP

Champlain Investment Partners Burlington, Vermont $7.88B AUM 6.82% 1-Year Est. Return

APG Asset Management Amsterdam, Netherlands $31.6B AUM 19.33% 1-Year Est. Return

Cooke & Bieler Philadelphia, Pennsylvania $8.84B AUM 6.92% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

CCA

Conestoga Capital Advisors Wayne, Pennsylvania $5.01B AUM 6.26% 1-Year Est. Return

Arrowstreet Capital's MSA Position: Q3 2025 in Review

Arrowstreet Capital sold out of Mine Safety (MSA) in Q3 2025, closing a stake of 3,776 shares — an estimated $633K sold.

Arrowstreet Capital first reported a position in MSA in Q3 2013 and held it in 7 quarters. The position peaked at $1.68M in Q1 2019. 405 funds tracked by Wall St. Rank hold MSA as of Q3 2025.

Arrowstreet Capital reported no remaining Mine Safety position as of Q3 2025 after selling out during the quarter.
Arrowstreet Capital sold 3,776 Mine Safety shares in Q3 2025, an estimated $633K.
Arrowstreet Capital first reported a position in Mine Safety in Q3 2013 and held it in 7 quarters.
Arrowstreet Capital's Mine Safety position peaked at $1.68M in Q1 2019.
405 funds tracked by Wall St. Rank held Mine Safety as of Q3 2025.

Based on Arrowstreet Capital's 13F filing for Q3 2025, filed 13 Nov 2025.