Simplex Trading
MSA icon

Simplex Trading’s Mine Safety MSA Stock Holding History

Simplex Trading’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 		$1.57K Buy
+9
New +$1.51K ﹤0.01% 8731
2024
Q1 		– Sell
-815
Closed -$143K – 9474
2023
Q4 		$137K Sell
815
-583
-42% -$94.8K ﹤0.01% 5063
2023
Q3 		$220K Buy
1,398
+1,388
+13,880% +$238K ﹤0.01% 4236
2023
Q2 		$1K Buy
+10
New +$1.43K ﹤0.01% 8660
2021
Q1 		– Sell
-1,662
Closed -$268K – 9575
2020
Q4 		$248K Buy
1,662
+1,380
+489% +$199K ﹤0.01% 4321
2020
Q3 		$37K Sell
282
-689
-71% -$84.4K ﹤0.01% 5892
2020
Q2 		$111K Sell
971
-2,734
-74% -$304K ﹤0.01% 4693
2020
Q1 		$374K Buy
+3,705
New +$466K ﹤0.01% 2912
2019
Q3 		– Sell
-402
Closed -$42.4K – 7651
2019
Q2 		$42K Buy
402
+51
+15% +$5.36K ﹤0.01% 5012
2019
Q1 		$36K Sell
351
-544
-61% -$54.8K ﹤0.01% 5264
2018
Q4 		$84K Buy
+895
New +$91.4K ﹤0.01% 4010
2017
Q3 		– Sell
-62
Closed -$4.64K – 6349
2017
Q2 		$5K Buy
+62
New +$4.8K ﹤0.01% 4595
2017
Q1 		– Sell
-596
Closed -$41K – 6547
2016
Q4 		$41K Buy
+596
New +$36.9K ﹤0.01% 2355
2015
Q4 		– Sell
-308
Closed -$12K – 5850
2015
Q3 		$12K Buy
+308
New +$14.3K ﹤0.01% 3274

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

Simplex Trading's MSA Position: Q2 2026 in Review

Simplex Trading opened a new position in Mine Safety (MSA) in Q2 2026: 9 shares worth $1.57K. The stake represents ﹤0.01% of the portfolio and ranks #8731 among its holdings. This is a return to the name: Simplex Trading previously reported a position in MSA as recently as Q4 2023.

Simplex Trading first reported a position in MSA in Q3 2015 and has held it in 14 quarters since. The position peaked at $374K in Q1 2020. 458 funds tracked by Wall St. Rank hold MSA as of Q2 2026.

  • Simplex Trading held 9 shares of Mine Safety worth $1.57K as of Q2 2026.
  • Mine Safety was a new Simplex Trading position in Q2 2026.
  • Mine Safety made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #8731 holding.
  • Simplex Trading first reported a position in Mine Safety in Q3 2015 and has held it in 14 quarters since.
  • Simplex Trading's Mine Safety position peaked at $374K in Q1 2020.
  • 458 funds tracked by Wall St. Rank held Mine Safety as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.