Heartland Advisors’s Mine Safety MSA Stock Holding History

Heartland Advisors’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	$8.95M	Buy	51,275 +22,146	+76%	+$3.71M	0.4%	100
2026 Q1	$4.78M	Buy	+29,129	New	+$5.32M	0.24%	159

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 $3.37T AUM 44.26% 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

Heartland Advisors's MSA Position: Q2 2026 in Review

Heartland Advisors increased its Mine Safety (MSA) stake by 76% in Q2 2026, buying an estimated $3.71M and bringing the position to 51,275 shares worth $8.95M. The position accounts for 0.4% of the portfolio, ranked #100.

Heartland Advisors first reported a position in MSA in Q1 2026 and has held it in 2 quarters since. 457 funds tracked by Wall St. Rank hold MSA as of Q2 2026.

Heartland Advisors held 51,275 shares of Mine Safety worth $8.95M as of Q2 2026.
Heartland Advisors bought 22,146 Mine Safety shares in Q2 2026, an estimated $3.71M.
Mine Safety made up 0.4% of Heartland Advisors's portfolio in Q2 2026, its #100 holding.
Heartland Advisors first reported a position in Mine Safety in Q1 2026 and has held it in 2 quarters since.
457 funds tracked by Wall St. Rank held Mine Safety as of Q2 2026.

Based on Heartland Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.