Fidelity Investments
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Fidelity Investments’s Mayville Engineering Co MEC Stock Holding History

Fidelity Investments’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 		$48M Buy
1,280,170
+1,275,909
+29,944% +$34.1M ﹤0.01% 1535
2026
Q1 		$76.5K Buy
4,261
+932
+28% +$17.9K ﹤0.01% 3917
2025
Q4 		$62.3K Buy
3,329
+62
+2% +$1.01K ﹤0.01% 3999
2025
Q3 		$45K Buy
3,267
+122
+4% +$1.83K ﹤0.01% 4024
2025
Q2 		$50.2K Buy
3,145
+45
+1% +$643 ﹤0.01% 3903
2025
Q1 		$41.6K Sell
3,100
-45
-1% -$677 ﹤0.01% 3931
2024
Q4 		$49.4K Buy
3,145
+19
+0.6% +$347 ﹤0.01% 3856
2024
Q3 		$65.9K Buy
3,126
+42
+1% +$786 ﹤0.01% 3669
2024
Q2 		$51.4K Buy
3,084
+3
+0.1% +$45 ﹤0.01% 3607
2024
Q1 		$44.2K Buy
3,081
+107
+4% +$1.4K ﹤0.01% 3652
2023
Q4 		$42.9K Buy
2,974
+9
+0.3% +$112 ﹤0.01% 3586
2023
Q3 		$32.5K Buy
2,965
+60
+2% +$693 ﹤0.01% 3566
2023
Q2 		$36.2K Sell
2,905
-172
-6% -$2.17K ﹤0.01% 3595
2023
Q1 		$45.9K Sell
3,077
-391
-11% -$5.7K ﹤0.01% 3487
2022
Q4 		$43.9K Buy
3,468
+166
+5% +$1.66K ﹤0.01% 3484
2022
Q3 		$21K Sell
3,302
-2
-0.1% -$14 ﹤0.01% 3833
2022
Q2 		$26K Sell
3,304
-30
-0.9% -$254 ﹤0.01% 3797
2022
Q1 		$31K Buy
+3,334
New +$37.8K ﹤0.01% 3859
2021
Q3 		– Sell
-101,296
Closed -$2.04M – 4760
2021
Q2 		$2.04M Hold
101,296
– – ﹤0.01% 2546
2021
Q1 		$1.46M Buy
+101,296
New +$1.49M ﹤0.01% 2523

Other funds holding MEC

PCM
Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 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

Fidelity Investments's MEC Position: Q2 2026 in Review

Fidelity Investments increased its Mayville Engineering Co (MEC) stake by 29,944% in Q2 2026, buying an estimated $34.1M and bringing the position to 1,280,170 shares worth $48M. The position accounts for ﹤0.01% of the portfolio, ranked #1535.

Fidelity Investments first reported a position in MEC in Q1 2021 and has held it in 20 quarters since. 155 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

  • Fidelity Investments held 1,280,170 shares of Mayville Engineering Co worth $48M as of Q2 2026.
  • Fidelity Investments bought 1,275,909 Mayville Engineering Co shares in Q2 2026, an estimated $34.1M.
  • Mayville Engineering Co made up ﹤0.01% of Fidelity Investments's portfolio in Q2 2026, its #1535 holding.
  • Fidelity Investments first reported a position in Mayville Engineering Co in Q1 2021 and has held it in 20 quarters since.
  • 155 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on Fidelity Investments's 13F filing for Q2 2026, filed 13 Aug 2026.