Group One Trading
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Group One Trading’s Ampco-Pittsburgh AP Stock Holding History

Group One 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 		$208K Buy
+31,000
New +$223K ﹤0.01% 4077
2025
Q4 		– Sell
-5,100
Closed -$11.7K – 8058
2025
Q3 		$11.7K Buy
+5,100
New +$15.1K ﹤0.01% 7078
2025
Q2 		– Sell
-49,000
Closed -$106K – 7900
2025
Q1 		$106K Buy
49,000
+44,100
+900% +$97.4K ﹤0.01% 4552
2024
Q4 		$10.2K Buy
+4,900
New +$9.31K ﹤0.01% 6091

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

Group One Trading's AP Position: Q1 2026 in Review

Group One Trading reduced its Ampco-Pittsburgh (AP) stake by 35% in Q1 2026, selling an estimated $26K and leaving 6,662 shares worth $44.8K. The position accounts for ﹤0.01% of the portfolio, ranked #5346.

Group One Trading first reported a position in AP in Q4 2017 and has held it in 10 quarters since. The position peaked at $54.8K in Q4 2025. 63 funds tracked by Wall St. Rank hold AP as of Q1 2026.

  • Group One Trading held 6,662 shares of Ampco-Pittsburgh worth $44.8K as of Q1 2026.
  • Group One Trading sold 3,618 Ampco-Pittsburgh shares in Q1 2026, an estimated $26K.
  • Ampco-Pittsburgh made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #5346 holding.
  • Group One Trading first reported a position in Ampco-Pittsburgh in Q4 2017 and has held it in 10 quarters since.
  • Group One Trading's Ampco-Pittsburgh position peaked at $54.8K in Q4 2025.
  • 63 funds tracked by Wall St. Rank held Ampco-Pittsburgh as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.