Dimensional Fund Advisors
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Dimensional Fund Advisors’s Ampco-Pittsburgh AP Stock Holding History

Dimensional Fund Advisors’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 		$2.39M Buy
355,427
+20,454
+6% +$147K ﹤0.01% 2663
2025
Q4 		$1.79M Sell
334,973
-1,147
-0.3% -$3.17K ﹤0.01% 2756
2025
Q3 		$770K Sell
336,120
-1,724
-0.5% -$5.12K ﹤0.01% 2929
2025
Q2 		$1M Buy
337,844
+27,307
+9% +$70.8K ﹤0.01% 2885
2025
Q1 		$674K Buy
310,537
+18,227
+6% +$40.3K ﹤0.01% 2958
2024
Q4 		$611K Sell
292,310
-22,535
-7% -$42.8K ﹤0.01% 3001
2024
Q3 		$630K Sell
314,845
-105,452
-25% -$177K ﹤0.01% 2998
2024
Q2 		$324K Sell
420,297
-196,066
-32% -$327K ﹤0.01% 3098
2024
Q1 		$1.34M Sell
616,363
-14,794
-2% -$37.2K ﹤0.01% 2870
2023
Q4 		$1.72M Sell
631,157
-942
-0.1% -$2.52K ﹤0.01% 2817
2023
Q3 		$1.66M Sell
632,099
-13,104
-2% -$43.1K ﹤0.01% 2827
2023
Q2 		$2.05M Sell
645,203
-4,228
-0.7% -$12.6K ﹤0.01% 2778
2023
Q1 		$1.59M Sell
649,431
-11,337
-2% -$32.4K ﹤0.01% 2794
2022
Q4 		$1.66K Buy
660,768
+1,505
+0.2% +$4.63K ﹤0.01% 2771
2022
Q3 		$2.42M Sell
659,263
-2,410
-0.4% -$9.85K ﹤0.01% 2653
2022
Q2 		$2.56M Buy
661,673
+1,225
+0.2% +$5.85K ﹤0.01% 2666
2022
Q1 		$4.17M Buy
660,448
+13,025
+2% +$78.4K ﹤0.01% 2590
2021
Q4 		$3.24M Sell
647,423
-32,238
-5% -$158K ﹤0.01% 2707
2021
Q3 		$3.19M Sell
679,661
-43,485
-6% -$232K ﹤0.01% 2712
2021
Q2 		$4.39M Buy
723,146
+20,667
+3% +$140K ﹤0.01% 2653
2021
Q1 		$4.74M Buy
702,479
+54,126
+8% +$396K ﹤0.01% 2600
2020
Q4 		$3.55M Sell
648,353
-15,001
-2% -$69.2K ﹤0.01% 2638
2020
Q3 		$2.18M Sell
663,354
-31,890
-5% -$102K ﹤0.01% 2720
2020
Q2 		$2.13M Sell
695,244
-16,272
-2% -$52.3K ﹤0.01% 2740
2020
Q1 		$1.78M Sell
711,516
-8,735
-1% -$24.2K ﹤0.01% 2745
2019
Q4 		$2.17M Sell
720,251
-25,381
-3% -$89.7K ﹤0.01% 2837
2019
Q3 		$2.74M Sell
745,632
-7,227
-1% -$27.1K ﹤0.01% 2778
2019
Q2 		$3.03M Sell
752,859
-100
-0% -$374 ﹤0.01% 2791
2019
Q1 		$2.48M Sell
752,959
-7,619
-1% -$29K ﹤0.01% 2842
2018
Q4 		$2.36M Sell
760,578
-15,004
-2% -$63K ﹤0.01% 2822
2018
Q3 		$4.58M Buy
775,582
+28,258
+4% +$241K ﹤0.01% 2709
2018
Q2 		$7.66M Buy
747,324
+31,561
+4% +$317K ﹤0.01% 2521
2018
Q1 		$6.37M Buy
715,763
+42,677
+6% +$512K ﹤0.01% 2538
2017
Q4 		$8.35M Buy
673,086
+39,821
+6% +$601K ﹤0.01% 2443
2017
Q3 		$11M Buy
633,265
+36,417
+6% +$549K ﹤0.01% 2339
2017
Q2 		$8.8M Buy
596,848
+23,955
+4% +$359K ﹤0.01% 2403
2017
Q1 		$8.05M Buy
572,893
+27,996
+5% +$416K ﹤0.01% 2407
2016
Q4 		$9.13M Buy
544,897
+3,523
+0.7% +$48.5K ﹤0.01% 2337
2016
Q3 		$6M Buy
541,374
+23,231
+4% +$272K ﹤0.01% 2456
2016
Q2 		$5.86M Buy
518,143
+40,416
+8% +$618K ﹤0.01% 2441
2016
Q1 		$6.64M Buy
477,727
+10,120
+2% +$114K ﹤0.01% 2391
2015
Q4 		$4.8M Sell
467,607
-3,465
-0.7% -$39.3K ﹤0.01% 2534
2015
Q3 		$5.14M Sell
471,072
-6,456
-1% -$81.9K ﹤0.01% 2510
2015
Q2 		$7.22M Buy
477,528
+6,111
+1% +$98.7K ﹤0.01% 2421
2015
Q1 		$8.23M Buy
471,417
+13,602
+3% +$247K 0.01% 2340
2014
Q4 		$8.81M Buy
457,815
+12,332
+3% +$236K 0.01% 2325
2014
Q3 		$8.91M Buy
445,483
+7,851
+2% +$166K 0.01% 2272
2014
Q2 		$10M Buy
437,632
+6,996
+2% +$147K 0.01% 2220
2014
Q1 		$8.13M Buy
430,636
+4,815
+1% +$90.2K 0.01% 2315
2013
Q4 		$8.28M Buy
425,821
+5,612
+1% +$102K 0.01% 2303
2013
Q3 		$7.53M Buy
420,209
+1,719
+0.4% +$32.2K 0.01% 2310
2013
Q2 		$7.86M Buy
+418,490
New +$7.66M 0.01% 2211

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
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
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors's AP Position: Q1 2026 in Review

Dimensional Fund Advisors increased its Ampco-Pittsburgh (AP) stake by 6.1% in Q1 2026, buying an estimated $147K and bringing the position to 355,427 shares worth $2.39M. The position accounts for ﹤0.01% of the portfolio, ranked #2663.

Dimensional Fund Advisors first reported a position in AP in Q2 2013 and has held it in 52 quarters since. The position peaked at $11M in Q3 2017. 63 funds tracked by Wall St. Rank hold AP as of Q1 2026.

  • Dimensional Fund Advisors held 355,427 shares of Ampco-Pittsburgh worth $2.39M as of Q1 2026.
  • Dimensional Fund Advisors bought 20,454 Ampco-Pittsburgh shares in Q1 2026, an estimated $147K.
  • Ampco-Pittsburgh made up ﹤0.01% of Dimensional Fund Advisors's portfolio in Q1 2026, its #2663 holding.
  • Dimensional Fund Advisors first reported a position in Ampco-Pittsburgh in Q2 2013 and has held it in 52 quarters since.
  • Dimensional Fund Advisors's Ampco-Pittsburgh position peaked at $11M in Q3 2017.
  • 63 funds tracked by Wall St. Rank held Ampco-Pittsburgh as of Q1 2026.

Based on Dimensional Fund Advisors's 13F filing for Q1 2026, filed 7 May 2026.