UBS Group
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UBS Group’s Mayville Engineering Co MEC Stock Holding History

UBS 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 		$3.1M Sell
82,662
-33,909
-29% -$906K ﹤0.01% 4661
2026
Q1 		$2.09M Sell
116,571
-29,981
-20% -$577K ﹤0.01% 4932
2025
Q4 		$2.74M Buy
146,552
+40,798
+39% +$665K ﹤0.01% 4660
2025
Q3 		$1.46M Buy
105,754
+18,220
+21% +$274K ﹤0.01% 5254
2025
Q2 		$1.4M Buy
87,534
+61,375
+235% +$877K ﹤0.01% 5150
2025
Q1 		$351K Sell
26,159
-47,644
-65% -$717K ﹤0.01% 6122
2024
Q4 		$1.16M Sell
73,803
-82,462
-53% -$1.51M ﹤0.01% 5192
2024
Q3 		$3.29M Sell
156,265
-64,209
-29% -$1.2M ﹤0.01% 3490
2024
Q2 		$3.67M Buy
220,474
+2,390
+1% +$36.1K ﹤0.01% 3153
2024
Q1 		$3.13M Sell
218,084
-8,374
-4% -$109K ﹤0.01% 3476
2023
Q4 		$3.27M Buy
226,458
+5,960
+3% +$74K ﹤0.01% 3257
2023
Q3 		$2.42M Buy
220,498
+29,348
+15% +$339K ﹤0.01% 3262
2023
Q2 		$2.38M Buy
191,150
+24,733
+15% +$313K ﹤0.01% 3361
2023
Q1 		$2.48M Buy
166,417
+860
+0.5% +$12.5K ﹤0.01% 3200
2022
Q4 		$2.1M Buy
165,557
+3,353
+2% +$33.4K ﹤0.01% 3351
2022
Q3 		$1.06M Buy
162,204
+1,685
+1% +$12.1K ﹤0.01% 3712
2022
Q2 		$1.24M Buy
160,519
+24,907
+18% +$211K ﹤0.01% 3552
2022
Q1 		$1.27M Buy
135,612
+24,050
+22% +$273K ﹤0.01% 3860
2021
Q4 		$1.66M Buy
111,562
+111,212
+31,775% +$1.83M ﹤0.01% 3905
2021
Q3 		$7K Hold
350
– – ﹤0.01% 8319
2021
Q2 		$7K Sell
350
-5,856
-94% -$103K ﹤0.01% 8338
2021
Q1 		$89K Buy
6,206
+3,420
+123% +$50.4K ﹤0.01% 6052
2020
Q4 		$38K Sell
2,786
-441
-14% -$4.88K ﹤0.01% 6421
2020
Q3 		$30K Sell
3,227
-703
-18% -$5.94K ﹤0.01% 5992
2020
Q2 		$31K Sell
3,930
-2,540
-39% -$15.6K ﹤0.01% 6245
2020
Q1 		$40K Sell
6,470
-4,140
-39% -$31.1K ﹤0.01% 6003
2019
Q4 		$99K Buy
10,610
+5,066
+91% +$52.6K ﹤0.01% 6017
2019
Q3 		$73K Buy
5,544
+4,407
+388% +$58.9K ﹤0.01% 5960
2019
Q2 		$16K Buy
+1,137
New +$17.5K ﹤0.01% 6770

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

UBS Group's MEC Position: Q2 2026 in Review

UBS Group reduced its Mayville Engineering Co (MEC) stake by 29% in Q2 2026, selling an estimated $906K and leaving 82,662 shares worth $3.1M. The position accounts for ﹤0.01% of the portfolio, ranked #4661.

UBS Group first reported a position in MEC in Q2 2019 and has held it in 29 quarters since. The position peaked at $3.67M in Q2 2024. 154 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

  • UBS Group held 82,662 shares of Mayville Engineering Co worth $3.1M as of Q2 2026.
  • UBS Group sold 33,909 Mayville Engineering Co shares in Q2 2026, an estimated $906K.
  • Mayville Engineering Co made up ﹤0.01% of UBS Group's portfolio in Q2 2026, its #4661 holding.
  • UBS Group first reported a position in Mayville Engineering Co in Q2 2019 and has held it in 29 quarters since.
  • UBS Group's Mayville Engineering Co position peaked at $3.67M in Q2 2024.
  • 154 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on UBS Group's 13F filing for Q2 2026, filed 13 Aug 2026.