Simplex Trading
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Simplex Trading’s Magna International MGA Stock Holding History

Simplex Trading’s Portfolio MGA Stock Details MGA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$2M Buy
31,440
+8,147
+35% +$543K ﹤0.01% 1982
2026
Q2 		$1.53M Buy
23,293
+10,839
+87% +$677K ﹤0.01% 2301
2026
Q1 		$695K Buy
+12,454
New +$711K ﹤0.01% 2892
2025
Q3 		– Sell
-46,586
Closed -$2.05M – 9638
2025
Q2 		$1.8M Sell
46,586
-8,032
-15% -$284K ﹤0.01% 2210
2025
Q1 		$1.86M Buy
+54,618
New +$2.1M ﹤0.01% 2096
2024
Q2 		– Sell
-5,359
Closed -$251K – 9407
2024
Q1 		$291K Buy
+5,359
New +$296K ﹤0.01% 4437
2023
Q4 		– Sell
-28,037
Closed -$1.51M – 9418
2023
Q3 		$1.5M Buy
28,037
+24,739
+750% +$1.44M ﹤0.01% 2319
2023
Q2 		$186K Sell
3,298
-8,674
-72% -$460K ﹤0.01% 4378
2023
Q1 		$641K Buy
11,972
+9,851
+464% +$570K ﹤0.01% 3025
2022
Q4 		$119K Sell
2,121
-10,823
-84% -$608K ﹤0.01% 4867
2022
Q3 		$613K Buy
+12,944
New +$753K ﹤0.01% 3230
2019
Q3 		– Sell
-1,474
Closed -$73.5K – 7629
2019
Q2 		$73K Sell
1,474
-3,642
-71% -$180K ﹤0.01% 4500
2019
Q1 		$249K Sell
5,116
-14,215
-74% -$717K ﹤0.01% 3375
2018
Q4 		$878K Buy
+19,331
New +$936K ﹤0.01% 1734
2018
Q2 		– Sell
-1,037
Closed -$64.4K – 7680
2018
Q1 		$58K Sell
1,037
-9,047
-90% -$505K ﹤0.01% 2293
2017
Q4 		$571K Buy
+10,084
New +$554K 0.02% 648
2017
Q2 		– Sell
-6,104
Closed -$265K – 6506
2017
Q1 		$263K Buy
+6,104
New +$267K 0.01% 1048
2016
Q3 		– Sell
-2,445
Closed -$96.3K – 6191
2016
Q2 		$85K Buy
+2,445
New +$98.5K 0.01% 1599
2015
Q4 		– Sell
-13,611
Closed -$634K – 5826
2015
Q3 		$653K Buy
13,611
+10,086
+286% +$522K 0.05% 347
2015
Q2 		$197K Buy
+3,525
New +$196K 0.02% 804

Other funds holding MGA

Pzena Investment Management
Pzena Investment Management New York $34.1B AUM 26.62% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $144B AUM 22.91% 1-Year Est. Return
ACR Alpine Capital Research
ACR Alpine Capital Research St. Louis, Missouri $7.35B AUM 21.37% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
ARGA Investment Management
ARGA Investment Management Stamford, Connecticut $3.94B AUM 28.9% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Letko, Brosseau & Associates
Letko, Brosseau & Associates Montreal, Quebec, Canada $6.9B AUM 29.83% 1-Year Est. Return
CIBC World Market
CIBC World Market Toronto, Ontario, Canada $61.4B AUM 32.2% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $114B AUM 33.83% 1-Year Est. Return

Simplex Trading's MGA Position: Q3 2026 in Review

Simplex Trading increased its Magna International (MGA) stake by 35% in Q3 2026, buying an estimated $543K and bringing the position to 31,440 shares worth $2M. The position accounts for ﹤0.01% of the portfolio, ranked #1982.

Simplex Trading first reported a position in MGA in Q2 2015 and has held it in 20 quarters since. 268 funds tracked by Wall St. Rank hold MGA as of Q3 2026.

  • Simplex Trading held 31,440 shares of Magna International worth $2M as of Q3 2026.
  • Simplex Trading bought 8,147 Magna International shares in Q3 2026, an estimated $543K.
  • Magna International made up ﹤0.01% of Simplex Trading's portfolio in Q3 2026, its #1982 holding.
  • Simplex Trading first reported a position in Magna International in Q2 2015 and has held it in 20 quarters since.
  • 268 funds tracked by Wall St. Rank held Magna International as of Q3 2026.

Based on Simplex Trading's 13F filing for Q3 2026, filed 4 Nov 2026.