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
Q3 		$12.7M Sell
846,181
-433,989
-34% -$10.5M ﹤0.01% 2062
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% +$1.84K ﹤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 		$21.5K Sell
3,302
-2
-0.1% -$14 ﹤0.01% 3822
2022
Q2 		$25.6K Sell
3,304
-30
-0.9% -$254 ﹤0.01% 3807
2022
Q1 		$31.2K Buy
+3,334
New +$37.8K ﹤0.01% 3860
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

Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $64.1B AUM 28.9% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Royce & Associates
Royce & Associates New York $11B AUM 39.4% 1-Year Est. Return
William Blair & Company
William Blair & Company Chicago, Illinois $38.6B AUM 22.09% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return
CenterBook Partners
CenterBook Partners Greenwich, Connecticut $2.18B AUM 12.5% 1-Year Est. Return
Squarepoint
Squarepoint New York $90.8B AUM 26.98% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $63.7B AUM 20.33% 1-Year Est. Return

Fidelity Investments's MEC Position: Q3 2026 in Review

Fidelity Investments reduced its Mayville Engineering Co (MEC) stake by 34% in Q3 2026, selling an estimated $10.5M and leaving 846,181 shares worth $12.7M. The position accounts for ﹤0.01% of the portfolio, ranked #2062.

Fidelity Investments first reported a position in MEC in Q1 2021 and has held it in 21 quarters since. The position peaked at $48M in Q2 2026. 55 funds tracked by Wall St. Rank hold MEC as of Q3 2026.

  • Fidelity Investments held 846,181 shares of Mayville Engineering Co worth $12.7M as of Q3 2026.
  • Fidelity Investments sold 433,989 Mayville Engineering Co shares in Q3 2026, an estimated $10.5M.
  • Mayville Engineering Co made up ﹤0.01% of Fidelity Investments's portfolio in Q3 2026, its #2062 holding.
  • Fidelity Investments first reported a position in Mayville Engineering Co in Q1 2021 and has held it in 21 quarters since.
  • Fidelity Investments's Mayville Engineering Co position peaked at $48M in Q2 2026.
  • 55 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q3 2026.

Based on Fidelity Investments's 13F filing for Q3 2026, filed 10 Nov 2026.