Mayville Engineering Company, Inc. - Common Stock SH (MEC) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2019 to Q4 2025

Type / Class
Equity / Common Stock SH
Symbol
MEC on NYSE
Shares outstanding
20,322,901
Price per share
$18.72
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
13,280,220
Total reported value
$183,556,400
% of total 13F portfolios
0%
Share change
+636,625
Value change
+$8,031,418
Number of holders
103
Price from insider filings
$18.72
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Mayville Engineering Company, Inc. - Common Stock SH (MEC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Allspring Global Investments Holdings, LLC 10% -14% $38,423,273 -$7,244,012 2,052,613 -16% Allspring Global Investments Holdings, LLC 31 Dec 2025
Hilve Holdings Ltd 5.3% $14,687,141 1,067,170 Hilve Holdings Ltd 27 Oct 2025

As of 30 Sep 2025, 103 institutional investors reported holding 13,280,220 shares of Mayville Engineering Company, Inc. - Common Stock SH (MEC). This represents 65% of the company’s total 20,322,901 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Mayville Engineering Company, Inc. - Common Stock SH (MEC) together control 56% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Allspring Global Investments Holdings, LLC 12% 2,411,103 -1.4% 0.05% $32,887,445
BlackRock, Inc. 4.5% 914,839 +0.18% 0% $12,588,192
VANGUARD GROUP INC 4.3% 871,659 -1.2% 0% $11,994,028
DIMENSIONAL FUND ADVISORS LP 4.2% 847,123 +4.1% 0% $11,656,247
ROYCE & ASSOCIATES LP 2.8% 566,717 +1.4% 0.08% $7,798,026
TOCQUEVILLE ASSET MANAGEMENT L.P. 2.6% 521,100 -8.8% 0.1% $7,170,336
22NW, LP 2% 399,890 +157% 2.9% $5,502,486
AMERIPRISE FINANCIAL INC 1.9% 394,161 +894% 0% $5,423,656
BLAIR WILLIAM & CO/IL 1.9% 377,210 +1% 0.01% $5,190,410
AMERICAN CENTURY COMPANIES INC 1.8% 364,794 +19% 0% $5,019,566
First Eagle Investment Management, LLC 1.7% 354,575 +0.14% 0.01% $4,878,952
Granahan Investment Management, LLC 1.7% 349,267 -30% 0.2% $4,805,914
GEODE CAPITAL MANAGEMENT, LLC 1.6% 334,873 +5.2% 0% $4,608,687
STATE STREET CORP 1.4% 274,936 +3.7% 0% $3,783,119
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.3% 268,635 0% 0% $3,696,418
JB CAPITAL PARTNERS LP 1.2% 250,512 0% 0.76% $4,464,124
BRIDGEWAY CAPITAL MANAGEMENT, LLC 1.2% 236,548 +6.2% 0.07% $3,254,900
Ancora Advisors LLC 1.1% 228,300 -37% 0.06% $3,141,408
Roubaix Capital, LLC 1% 212,688 +110% 1.4% $2,926,587
BANK OF AMERICA CORP /DE/ 1% 208,975 -8.2% 0% $2,875,498
Boston Partners 0.98% 198,160 0% $2,726,680
Russell Investments Group, Ltd. 0.95% 192,394 -11% 0% $2,647,343
CenterBook Partners LP 0.87% 177,659 +87% 0.12% $2,444,588
JACOBS LEVY EQUITY MANAGEMENT, INC 0.84% 170,335 +25% 0.01% $2,343,810
RENAISSANCE TECHNOLOGIES LLC 0.76% 155,000 +7.6% 0% $2,132,800

Institutional Holders of Mayville Engineering Company, Inc. - Common Stock SH (MEC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 2,102,437 $39,816,896 -$6,931,459 $18.72 7
2025 Q3 13,280,220 $183,556,400 +$8,031,418 $13.76 103
2025 Q2 12,642,160 $202,514,421 +$5,377,585 $15.96 110
2025 Q1 12,437,195 $167,800,883 -$810,093 $13.43 116
2024 Q4 12,460,649 $195,440,685 +$9,374,940 $15.72 112
2024 Q3 11,684,841 $246,299,140 +$18,925,395 $21.08 116
2024 Q2 10,752,150 $179,129,526 +$20,360,389 $16.66 97
2024 Q1 9,531,006 $136,580,309 +$3,169,998 $14.33 79
2023 Q4 9,251,605 $133,377,230 +$5,544,845 $14.42 79
2023 Q3 8,911,760 $97,758,808 +$2,587,678 $10.97 86
2023 Q2 8,722,452 $108,700,974 +$9,649,984 $12.46 86
2023 Q1 7,826,872 $116,753,603 +$12,817,034 $14.92 77
2022 Q4 6,970,927 $88,250,006 +$6,859,659 $12.66 67
2022 Q3 6,343,054 $41,305,039 -$6,939,617 $6.51 57
2022 Q2 7,177,044 $55,551,627 -$3,587,082 $7.74 56
2022 Q1 7,472,090 $70,024,999 -$530,598 $9.37 63
2021 Q4 7,272,472 $108,421,167 -$38,311,391 $14.91 66
2021 Q3 7,482,295 $140,767,921 -$13,460,823 $18.80 74
2021 Q2 8,181,835 $164,531,717 +$15,440,462 $20.11 58
2021 Q1 7,432,250 $106,883,984 +$3,659,676 $14.38 59
2020 Q4 7,179,707 $96,216,902 +$5,892,826 $13.42 53
2020 Q3 6,765,494 $62,171,216 +$5,572,335 $9.19 49
2020 Q2 6,289,280 $49,684,412 +$5,055,444 $7.90 52
2020 Q1 5,706,875 $34,987,437 -$3,763,337 $6.13 50
2019 Q4 6,090,683 $57,128,487 -$368,219 $9.38 49
2019 Q3 5,861,078 $77,305,049 +$1,497,036 $13.19 50
2019 Q2 5,662,036 $78,208,221 +$78,208,004 $13.80 50