Mayville Engineering Company, Inc. - Common Stock, no par value (MEC) Institutional Ownership

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

Type / Class
Equity / Common Stock, no par value
Symbol
MEC on NYSE
Shares outstanding
20,321,551
Price per share
$19.65
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
13,849,247
Total reported value
$259,718,167
% of total 13F portfolios
0%
Share change
+360,695
Value change
+$8,554,832
Number of holders
120
Price from insider filings
$19.65
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Mayville Engineering Company, Inc. - Common Stock, no par value (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 4.9% $18,331,868 995,756 Hilve Holdings Ltd 27 Oct 2025

As of 31 Dec 2025, 120 institutional investors reported holding 13,849,247 shares of Mayville Engineering Company, Inc. - Common Stock, no par value (MEC). This represents 68% of the company’s total 20,321,551 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Mayville Engineering Company, Inc. - Common Stock, no par value (MEC) together control 55% 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 10% 2,052,613 -15% 0.06% $38,897,016
DIMENSIONAL FUND ADVISORS LP 4.3% 877,175 +3.5% 0% $16,421,661
BlackRock, Inc. 4.3% 865,619 -5.4% 0% $16,204,393
VANGUARD GROUP INC 3.1% 627,655 -28% 0% $11,749,701
ROYCE & ASSOCIATES LP 3.1% 624,307 +10% 0.12% $11,687,027
EVR Research LP 3% 605,000 6.1% $11,325,600
BLAIR WILLIAM & CO/IL 2.9% 583,759 +55% 0.03% $10,927,968
Portolan Capital Management, LLC 2.5% 512,762 0.51% $9,598,905
22NW, LP 2% 414,280 +3.6% 6% $7,755,322
First Eagle Investment Management, LLC 1.8% 358,075 +0.99% 0.01% $6,703,164
AMERIPRISE FINANCIAL INC 1.7% 350,844 -11% 0% $6,567,800
GEODE CAPITAL MANAGEMENT, LLC 1.6% 328,921 -1.8% 0% $6,159,053
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.4% 288,450 +7.4% 0% $5,399,784
STATE STREET CORP 1.4% 285,000 +3.7% 0% $5,335,200
AMERICAN CENTURY COMPANIES INC 1.4% 280,840 -23% 0% $5,257,325
Granahan Investment Management, LLC 1.3% 267,762 -23% 0.21% $5,012,505
CenterBook Partners LP 1.3% 255,791 +44% 0.23% $4,788,408
JB CAPITAL PARTNERS LP 1.2% 250,512 0% 0.81% $4,689,585
BRIDGEWAY CAPITAL MANAGEMENT, LLC 1.1% 226,926 -4.1% 0.09% $4,248,055
Boston Partners 1.1% 222,730 +12% 0% $4,169,510
BANK OF AMERICA CORP /DE/ 1.1% 218,888 +4.7% 0% $4,097,584
Congruence Capital, LLC 1% 208,102 0% 1.4% $3,895,669
Russell Investments Group, Ltd. 0.93% 189,981 -1.3% 0% $3,556,447
SILVERCREST ASSET MANAGEMENT GROUP LLC 0.89% 179,941 0.02% $3,368,496
MILLENNIUM MANAGEMENT LLC 0.75% 153,200 0% $2,867,904

Institutional Holders of Mayville Engineering Company, Inc. - Common Stock, no par value (MEC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 13,849,247 $259,718,167 +$8,554,832 $18.72 120
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