Marshall Wace
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Marshall Wace’s Mine Safety MSA Stock Holding History

Marshall Wace’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 		$8.13M Buy
46,575
+45,175
+3,227% +$7.57M 0.01% 1122
2026
Q1 		$230K Sell
1,400
-800
-36% -$146K ﹤0.01% 2730
2025
Q4 		$352K Sell
2,200
-1,896
-46% -$309K ﹤0.01% 2390
2025
Q3 		$705K Buy
4,096
+1,896
+86% +$328K ﹤0.01% 2098
2025
Q2 		$369K Buy
+2,200
New +$344K ﹤0.01% 2251
2024
Q2 		– Sell
-38,304
Closed -$7.42M – 2800
2024
Q1 		$7.42M Buy
38,304
+25,105
+190% +$4.41M 0.01% 852
2023
Q4 		$2.23M Buy
13,199
+8,761
+197% +$1.42M ﹤0.01% 1174
2023
Q3 		$700K Buy
+4,438
New +$762K ﹤0.01% 1612
2023
Q2 		– Sell
-2,709
Closed -$362K – 2788
2023
Q1 		$362K Buy
+2,709
New +$365K ﹤0.01% 2234
2022
Q3 		– Sell
-29,002
Closed -$3.51M – 3638
2022
Q2 		$3.51M Buy
+29,002
New +$3.61M 0.01% 1613
2020
Q3 		– Sell
-7,390
Closed -$846K – 1805
2020
Q2 		$846K Buy
+7,390
New +$822K 0.01% 1045
2019
Q2 		– Sell
-9,348
Closed -$967K – 1657
2019
Q1 		$967K Buy
+9,348
New +$941K 0.01% 940
2018
Q2 		– Sell
-6,300
Closed -$524K – 788
2018
Q1 		$524K Buy
+6,300
New +$505K 0.02% 350
2015
Q4 		– Sell
-7,448
Closed -$298K – 1066
2015
Q3 		$298K Buy
+7,448
New +$347K ﹤0.01% 804

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 $3.38T AUM 44.17% 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

Marshall Wace's MSA Position: Q2 2026 in Review

Marshall Wace increased its Mine Safety (MSA) stake by 3,227% in Q2 2026, buying an estimated $7.57M and bringing the position to 46,575 shares worth $8.13M. The position accounts for 0.01% of the portfolio, ranked #1122.

Marshall Wace first reported a position in MSA in Q3 2015 and has held it in 14 quarters since. 458 funds tracked by Wall St. Rank hold MSA as of Q2 2026.

  • Marshall Wace held 46,575 shares of Mine Safety worth $8.13M as of Q2 2026.
  • Marshall Wace bought 45,175 Mine Safety shares in Q2 2026, an estimated $7.57M.
  • Mine Safety made up 0.01% of Marshall Wace's portfolio in Q2 2026, its #1122 holding.
  • Marshall Wace first reported a position in Mine Safety in Q3 2015 and has held it in 14 quarters since.
  • 458 funds tracked by Wall St. Rank held Mine Safety as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.