Simplex Trading
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Simplex Trading’s Ampco-Pittsburgh AP Stock Holding History

Simplex Trading’s Portfolio AP Stock Details AP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$135K Buy
20,162
+12,589
+166% +$90.5K ﹤0.01% 4742
2025
Q4 		$40.4K Buy
7,573
+3,725
+97% +$10.3K ﹤0.01% 5853
2025
Q3 		$8K Buy
+3,848
New +$11.4K ﹤0.01% 8005
2025
Q2 		– Sell
-1,306
Closed -$3.39K – 8555
2025
Q1 		$2K Sell
1,306
-9,614
-88% -$21.2K ﹤0.01% 7921
2024
Q4 		$22K Sell
10,920
-3,828
-26% -$7.28K ﹤0.01% 6597
2024
Q3 		$29K Buy
14,748
+13,055
+771% +$21.9K ﹤0.01% 6366
2024
Q2 		$1K Buy
+1,693
New +$2.82K ﹤0.01% 8408
2024
Q1 		– Sell
-44
Closed – – 8779
2023
Q4 		$0 Buy
+44
New +$118 ﹤0.01% 8706
2022
Q1 		– Sell
-224
Closed -$1.35K – 10306
2021
Q4 		$1K Sell
224
-826
-79% -$4.05K ﹤0.01% 10132
2021
Q3 		$6K Hold
1,050
– – ﹤0.01% 9178
2021
Q2 		$6K Sell
1,050
-2,271
-68% -$15.4K ﹤0.01% 9347
2021
Q1 		$22K Buy
3,321
+3,221
+3,221% +$23.6K ﹤0.01% 7371
2020
Q4 		$0 Buy
+100
New +$461 ﹤0.01% 8273
2019
Q4 		– Sell
-37
Closed – – 7237
2019
Q3 		$0 Hold
37
– – ﹤0.01% 7189
2019
Q2 		$0 Buy
+37
New +$138 ﹤0.01% 7037
2018
Q4 		– Sell
-107
Closed – – 6938
2018
Q3 		$0 Buy
+107
New +$913 ﹤0.01% 7346

Other funds holding AP

GI
GAMCO Investors Greenwich, Connecticut $10.2B AUM 30.27% 1-Year Est. Return
GF
Gabelli Funds Rye, New York $14.8B AUM 32.24% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
HA
Huntleigh Advisors St. Louis, Missouri $585M AUM 50.58% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
MIM
Meros Investment Management Dallas, Texas $231M AUM 35.94% 1-Year Est. Return

Simplex Trading's AP Position: Q1 2026 in Review

Simplex Trading increased its Ampco-Pittsburgh (AP) stake by 166% in Q1 2026, buying an estimated $90.5K and bringing the position to 20,162 shares worth $135K. The position accounts for ﹤0.01% of the portfolio, ranked #4742.

Simplex Trading first reported a position in AP in Q3 2018 and has held it in 16 quarters since. 63 funds tracked by Wall St. Rank hold AP as of Q1 2026.

  • Simplex Trading held 20,162 shares of Ampco-Pittsburgh worth $135K as of Q1 2026.
  • Simplex Trading bought 12,589 Ampco-Pittsburgh shares in Q1 2026, an estimated $90.5K.
  • Ampco-Pittsburgh made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #4742 holding.
  • Simplex Trading first reported a position in Ampco-Pittsburgh in Q3 2018 and has held it in 16 quarters since.
  • 63 funds tracked by Wall St. Rank held Ampco-Pittsburgh as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.