Dimensional Fund Advisors
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Dimensional Fund Advisors’s Mayville Engineering Co MEC Stock Holding History

Dimensional Fund Advisors’s Portfolio MEC Stock Details MEC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$29.3M Sell
782,276
-143,940
-16% -$3.85M 0.01% 1862
2026
Q1 		$16.6M Buy
926,216
+49,041
+6% +$944K ﹤0.01% 2058
2025
Q4 		$16.4M Buy
877,175
+30,052
+4% +$490K ﹤0.01% 2074
2025
Q3 		$11.7M Buy
847,123
+33,089
+4% +$498K ﹤0.01% 2252
2025
Q2 		$13M Buy
814,034
+41,466
+5% +$592K ﹤0.01% 2173
2025
Q1 		$10.4M Buy
772,568
+67,909
+10% +$1.02M ﹤0.01% 2236
2024
Q4 		$11.1M Buy
704,659
+85,086
+14% +$1.56M ﹤0.01% 2270
2024
Q3 		$13.1M Buy
619,573
+102,250
+20% +$1.91M ﹤0.01% 2192
2024
Q2 		$8.62M Buy
517,323
+77,486
+18% +$1.17M ﹤0.01% 2323
2024
Q1 		$6.3M Buy
439,837
+49,361
+13% +$644K ﹤0.01% 2489
2023
Q4 		$5.63M Buy
390,476
+32,007
+9% +$397K ﹤0.01% 2521
2023
Q3 		$3.93M Buy
358,469
+11,668
+3% +$135K ﹤0.01% 2606
2023
Q2 		$4.32M Buy
346,801
+56,667
+20% +$716K ﹤0.01% 2582
2023
Q1 		$4.33M Buy
+290,134
New +$4.23M ﹤0.01% 2519
2022
Q3 		$1.45M Buy
221,860
+17,365
+8% +$125K ﹤0.01% 2796
2022
Q2 		$1.58M Buy
204,495
+54,600
+36% +$463K ﹤0.01% 2811
2022
Q1 		$1.41M Buy
149,895
+53,055
+55% +$602K ﹤0.01% 2912
2021
Q4 		$1.44M Buy
96,840
+33,433
+53% +$551K ﹤0.01% 2937
2021
Q3 		$1.19M Buy
63,407
+16,689
+36% +$286K ﹤0.01% 3007
2021
Q2 		$940K Buy
46,718
+25,447
+120% +$449K ﹤0.01% 3040
2021
Q1 		$306K Buy
+21,271
New +$314K ﹤0.01% 3223

Other funds holding MEC

PCM
Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
SPPAM
Summit Partners Public Asset Management Boston, Massachusetts $5.69B AUM 259.25% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM

Dimensional Fund Advisors's MEC Position: Q2 2026 in Review

Dimensional Fund Advisors reduced its Mayville Engineering Co (MEC) stake by 16% in Q2 2026, selling an estimated $3.85M and leaving 782,276 shares worth $29.3M. The position accounts for 0.01% of the portfolio, ranked #1862.

Dimensional Fund Advisors first reported a position in MEC in Q1 2021 and has held it in 21 quarters since. 155 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

  • Dimensional Fund Advisors held 782,276 shares of Mayville Engineering Co worth $29.3M as of Q2 2026.
  • Dimensional Fund Advisors sold 143,940 Mayville Engineering Co shares in Q2 2026, an estimated $3.85M.
  • Mayville Engineering Co made up 0.01% of Dimensional Fund Advisors's portfolio in Q2 2026, its #1862 holding.
  • Dimensional Fund Advisors first reported a position in Mayville Engineering Co in Q1 2021 and has held it in 21 quarters since.
  • 155 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on Dimensional Fund Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.