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BlackRock’s Mayville Engineering Co MEC Stock Holding History

BlackRock’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
Q1 		$15.8M Buy
881,854
+16,235
+2% +$313K ﹤0.01% 3223
2025
Q4 		$16.2M Sell
865,619
-49,220
-5% -$803K ﹤0.01% 3201
2025
Q3 		$12.6M Buy
914,839
+1,650
+0.2% +$24.8K ﹤0.01% 3331
2025
Q2 		$14.6M Buy
913,189
+63,598
+7% +$909K ﹤0.01% 3209
2025
Q1 		$11.4M Buy
849,591
+834
+0.1% +$12.5K ﹤0.01% 3250
2024
Q4 		$13.3M Sell
848,757
-48,853
-5% -$893K ﹤0.01% 3271
2024
Q3 		$18.9M Buy
897,610
+48,043
+6% +$899K ﹤0.01% 3081
2024
Q2 		$14.2M Buy
849,567
+125,278
+17% +$1.89M ﹤0.01% 3177
2024
Q1 		$10.4M Sell
724,289
-23,753
-3% -$310K ﹤0.01% 3335
2023
Q4 		$10.8M Buy
748,042
+56,757
+8% +$704K ﹤0.01% 3358
2023
Q3 		$7.58M Buy
691,285
+717
+0.1% +$8.28K ﹤0.01% 3481
2023
Q2 		$8.6M Buy
690,568
+509,856
+282% +$6.44M ﹤0.01% 3483
2023
Q1 		$2.7M Sell
180,712
-43,037
-19% -$627K ﹤0.01% 3915
2022
Q4 		$2.83M Sell
223,749
-15,076
-6% -$150K ﹤0.01% 3980
2022
Q3 		$1.55M Buy
238,825
+15,426
+7% +$111K ﹤0.01% 4307
2022
Q2 		$1.73M Sell
223,399
-392,781
-64% -$3.33M ﹤0.01% 4309
2022
Q1 		$5.77M Buy
616,180
+1,001
+0.2% +$11.4K ﹤0.01% 3878
2021
Q4 		$9.17M Buy
615,179
+2,589
+0.4% +$42.7K ﹤0.01% 3726
2021
Q3 		$11.5M Sell
612,590
-789
-0.1% -$13.5K ﹤0.01% 3615
2021
Q2 		$12.3M Buy
613,379
+146,865
+31% +$2.59M ﹤0.01% 3573
2021
Q1 		$6.71M Buy
466,514
+13,935
+3% +$205K ﹤0.01% 3802
2020
Q4 		$6.08M Buy
452,579
+42,254
+10% +$467K ﹤0.01% 3617
2020
Q3 		$3.77M Buy
410,325
+19,394
+5% +$164K ﹤0.01% 3691
2020
Q2 		$3.09M Buy
390,931
+59,000
+18% +$362K ﹤0.01% 3698
2020
Q1 		$2.04M Buy
331,931
+2,426
+0.7% +$18.2K ﹤0.01% 3651
2019
Q4 		$3.09M Sell
329,505
-18,558
-5% -$193K ﹤0.01% 3645
2019
Q3 		$4.59M Buy
348,063
+46,537
+15% +$622K ﹤0.01% 3506
2019
Q2 		$4.16M Buy
+301,526
New +$4.64M ﹤0.01% 3579

Other funds holding MEC

Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
ER
EVR Research Richmond, Virginia $250M AUM 41.5% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
William Blair & Company
William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

BlackRock's MEC Position: Q1 2026 in Review

BlackRock increased its Mayville Engineering Co (MEC) stake by 1.9% in Q1 2026, buying an estimated $313K and bringing the position to 881,854 shares worth $15.8M. The position accounts for ﹤0.01% of the portfolio, ranked #3223.

BlackRock first reported a position in MEC in Q2 2019 and has held it in 28 quarters since. The position peaked at $18.9M in Q3 2024. 124 funds tracked by Wall St. Rank hold MEC as of Q1 2026.

  • BlackRock held 881,854 shares of Mayville Engineering Co worth $15.8M as of Q1 2026.
  • BlackRock bought 16,235 Mayville Engineering Co shares in Q1 2026, an estimated $313K.
  • Mayville Engineering Co made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #3223 holding.
  • BlackRock first reported a position in Mayville Engineering Co in Q2 2019 and has held it in 28 quarters since.
  • BlackRock's Mayville Engineering Co position peaked at $18.9M in Q3 2024.
  • 124 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.