Morgan Stanley
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Morgan Stanley’s Mayville Engineering Co MEC Stock Holding History

Morgan Stanley’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 		$428K Sell
23,834
-58,556
-71% -$1.13M ﹤0.01% 5554
2025
Q4 		$1.54M Buy
82,390
+47,389
+135% +$773K ﹤0.01% 4961
2025
Q3 		$482K Sell
35,001
-27,301
-44% -$411K ﹤0.01% 5509
2025
Q2 		$994K Buy
62,302
+33,451
+116% +$478K ﹤0.01% 5101
2025
Q1 		$387K Sell
28,851
-16,015
-36% -$241K ﹤0.01% 5443
2024
Q4 		$705K Sell
44,866
-12,584
-22% -$230K ﹤0.01% 5270
2024
Q3 		$1.21M Buy
57,450
+27,059
+89% +$506K ﹤0.01% 4934
2024
Q2 		$506K Buy
30,391
+9,273
+44% +$140K ﹤0.01% 5287
2024
Q1 		$303K Sell
21,118
-34,198
-62% -$446K ﹤0.01% 5555
2023
Q4 		$798K Buy
55,316
+41,781
+309% +$519K ﹤0.01% 5408
2023
Q3 		$148K Buy
13,535
+377
+3% +$4.35K ﹤0.01% 5708
2023
Q2 		$164K Sell
13,158
-140,867
-91% -$1.78M ﹤0.01% 5729
2023
Q1 		$2.3M Buy
154,025
+124,600
+423% +$1.82M ﹤0.01% 4371
2022
Q4 		$373K Sell
29,425
-6,154
-17% -$61.4K ﹤0.01% 5384
2022
Q3 		$232K Buy
35,579
+9,466
+36% +$68.1K ﹤0.01% 5658
2022
Q2 		$203K Buy
26,113
+11,395
+77% +$96.7K ﹤0.01% 5886
2022
Q1 		$139K Sell
14,718
-9,077
-38% -$103K ﹤0.01% 6120
2021
Q4 		$354K Buy
23,795
+7,985
+51% +$132K ﹤0.01% 5755
2021
Q3 		$298K Buy
15,810
+6,361
+67% +$109K ﹤0.01% 5790
2021
Q2 		$190K Sell
9,449
-4,228
-31% -$74.6K ﹤0.01% 6044
2021
Q1 		$197K Sell
13,677
-6,970
-34% -$103K ﹤0.01% 5668
2020
Q4 		$277K Buy
20,647
+7,921
+62% +$87.6K ﹤0.01% 5420
2020
Q3 		$118K Sell
12,726
-1,655
-12% -$14K ﹤0.01% 5352
2020
Q2 		$114K Buy
14,381
+4,054
+39% +$24.9K ﹤0.01% 5341
2020
Q1 		$64K Sell
10,327
-20,478
-66% -$154K ﹤0.01% 5365
2019
Q4 		$288K Sell
30,805
-48,932
-61% -$508K ﹤0.01% 5244
2019
Q3 		$1.05M Buy
79,737
+19,336
+32% +$258K ﹤0.01% 4271
2019
Q2 		$834K Buy
+60,401
New +$930K ﹤0.01% 4317

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
BlackRock
BlackRock New York $5.72T AUM 30.48% 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

Morgan Stanley's MEC Position: Q1 2026 in Review

Morgan Stanley reduced its Mayville Engineering Co (MEC) stake by 71% in Q1 2026, selling an estimated $1.13M and leaving 23,834 shares worth $428K. The position accounts for ﹤0.01% of the portfolio, ranked #5554.

Morgan Stanley first reported a position in MEC in Q2 2019 and has held it in 28 quarters since. The position peaked at $2.3M in Q1 2023. 124 funds tracked by Wall St. Rank hold MEC as of Q1 2026.

  • Morgan Stanley held 23,834 shares of Mayville Engineering Co worth $428K as of Q1 2026.
  • Morgan Stanley sold 58,556 Mayville Engineering Co shares in Q1 2026, an estimated $1.13M.
  • Mayville Engineering Co made up ﹤0.01% of Morgan Stanley's portfolio in Q1 2026, its #5554 holding.
  • Morgan Stanley first reported a position in Mayville Engineering Co in Q2 2019 and has held it in 28 quarters since.
  • Morgan Stanley's Mayville Engineering Co position peaked at $2.3M in Q1 2023.
  • 124 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q1 2026.

Based on Morgan Stanley's 13F filing for Q1 2026, filed 15 May 2026.