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CenterBook Partners’s Mine Safety MSA Stock Holding History

CenterBook Partners’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 		$768K Buy
4,397
+2,003
+84% +$335K 0.04% 417
2026
Q1 		$392K Sell
2,394
-5,770
-71% -$1.05M 0.02% 517
2025
Q4 		$1.31M Buy
8,164
+2,469
+43% +$402K 0.06% 331
2025
Q3 		$980K Sell
5,695
-947
-14% -$164K 0.05% 385
2025
Q2 		$1.11M Buy
+6,642
New +$1.04M 0.06% 323

Other funds holding MSA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
CB
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

CenterBook Partners's MSA Position: Q2 2026 in Review

CenterBook Partners increased its Mine Safety (MSA) stake by 84% in Q2 2026, buying an estimated $335K and bringing the position to 4,397 shares worth $768K. The position accounts for 0.04% of the portfolio, ranked #417.

CenterBook Partners first reported a position in MSA in Q2 2025 and has held it in 5 quarters since. The position peaked at $1.31M in Q4 2025. 457 funds tracked by Wall St. Rank hold MSA as of Q2 2026.

  • CenterBook Partners held 4,397 shares of Mine Safety worth $768K as of Q2 2026.
  • CenterBook Partners bought 2,003 Mine Safety shares in Q2 2026, an estimated $335K.
  • Mine Safety made up 0.04% of CenterBook Partners's portfolio in Q2 2026, its #417 holding.
  • CenterBook Partners first reported a position in Mine Safety in Q2 2025 and has held it in 5 quarters since.
  • CenterBook Partners's Mine Safety position peaked at $1.31M in Q4 2025.
  • 457 funds tracked by Wall St. Rank held Mine Safety as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.