Russell Investments Group
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Russell Investments Group’s Mayville Engineering Co MEC Stock Holding History

Russell Investments Group’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 		$4.7M Sell
125,513
-12,702
-9% -$340K ﹤0.01% 1542
2026
Q1 		$2.48M Sell
138,215
-51,766
-27% -$997K ﹤0.01% 1755
2025
Q4 		$3.56M Sell
189,981
-2,413
-1% -$39.3K ﹤0.01% 1537
2025
Q3 		$2.65M Sell
192,394
-23,785
-11% -$358K ﹤0.01% 1711
2025
Q2 		$3.45M Buy
216,179
+15,867
+8% +$227K ﹤0.01% 1432
2025
Q1 		$2.69M Sell
200,312
-15,471
-7% -$233K ﹤0.01% 1531
2024
Q4 		$3.39M Buy
215,783
+27,054
+14% +$495K ﹤0.01% 1375
2024
Q3 		$3.98M Buy
188,729
+11,884
+7% +$222K 0.01% 1311
2024
Q2 		$2.95M Buy
176,845
+23,135
+15% +$350K ﹤0.01% 1435
2024
Q1 		$2.2M Buy
153,710
+60,896
+66% +$794K ﹤0.01% 1602
2023
Q4 		$1.34M Buy
92,814
+32,797
+55% +$407K ﹤0.01% 1830
2023
Q3 		$658K Sell
60,017
-23,465
-28% -$271K ﹤0.01% 2125
2023
Q2 		$1.04M Buy
83,482
+29,814
+56% +$377K ﹤0.01% 1919
2023
Q1 		$801K Buy
53,668
+39,421
+277% +$574K ﹤0.01% 2081
2022
Q4 		$180K Hold
14,247
– – ﹤0.01% 2591
2022
Q3 		$92K Hold
14,247
– – ﹤0.01% 2678
2022
Q2 		$110K Hold
14,247
– – ﹤0.01% 2649
2022
Q1 		$133K Sell
14,247
-7,500
-34% -$85.1K ﹤0.01% 2525
2021
Q4 		$323K Sell
21,747
-4,800
-18% -$79.1K ﹤0.01% 2584
2021
Q3 		$498K Buy
26,547
+3,300
+14% +$56.5K ﹤0.01% 2462
2021
Q2 		$466K Buy
23,247
+9,000
+63% +$159K ﹤0.01% 2620
2021
Q1 		$204K Hold
14,247
– – ﹤0.01% 2822
2020
Q4 		$191K Sell
14,247
-9,377
-40% -$104K ﹤0.01% 2767
2020
Q3 		$217K Hold
23,624
– – ﹤0.01% 2745
2020
Q2 		$186K Buy
+23,624
New +$145K ﹤0.01% 2728
2019
Q3 		– Sell
-2,015
Closed -$28K – 3066
2019
Q2 		$28K Buy
+2,015
New +$31K ﹤0.01% 2777

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
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

Russell Investments Group's MEC Position: Q2 2026 in Review

Russell Investments Group reduced its Mayville Engineering Co (MEC) stake by 9.2% in Q2 2026, selling an estimated $340K and leaving 125,513 shares worth $4.7M. The position accounts for ﹤0.01% of the portfolio, ranked #1542.

Russell Investments Group first reported a position in MEC in Q2 2019 and has held it in 26 quarters since. 155 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

  • Russell Investments Group held 125,513 shares of Mayville Engineering Co worth $4.7M as of Q2 2026.
  • Russell Investments Group sold 12,702 Mayville Engineering Co shares in Q2 2026, an estimated $340K.
  • Mayville Engineering Co made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #1542 holding.
  • Russell Investments Group first reported a position in Mayville Engineering Co in Q2 2019 and has held it in 26 quarters since.
  • 155 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.