Mayville Engineering Company, Inc. (MEC) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

561,266Shares held by institutions

$9,911,958Value of institutional holdings

64.38%Institutional ownership %

11.98%Shares Changed QoQ

110No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Mayville Engineering Company, Inc. (NYSE:MEC) appears in 120 institutional 13F filings for the quarter ending December 2025.

Their combined ownership stood at 67.4% of outstanding shares in December 2025, up from 65.3% in September 2025.
They increased total shares held in Mayville Engineering Company by 5.58% from last quarter, and the number of investors in MEC increased 3.45% annually.
Of these 120 holders, 61 added to their stakes in Mayville Engineering Company, 43 trimmed positions, and 16 made no changes.
Institutional investors collectively held 13.95Mn shares in Mayville Engineering Company as of December 2025, up by 737.62K shares quarter on quarter, and up 1.09Mn shares year over year.
As of December 31, 2025, Allspring Global Investments Holdings, LLC held the largest stake in Mayville Engineering Company with 2.05Mn shares, accounting for 9.92% of total shares outstanding.
Top purchasers of MEC stock for the quarter ending December 2025 included EVR Research LP (605.0K), Portolan Capital Management, LLC (512.76K), Congruence Capital, LLC (208.1K), BLAIR WILLIAM & CO/IL (206.55K), SILVERCREST ASSET MANAGEMENT GROUP LLC (179.94K).
Top sellers of MEC stock for the quarter ending December 2025 included TOCQUEVILLE ASSET MANAGEMENT L.P. (450.0K), Allspring Global Investments Holdings, LLC (358.49K), VANGUARD GROUP INC (244.0K), Bank Of America Corp /De/ (199.06K), JACOBS LEVY EQUITY MANAGEMENT, INC (138.47K).
Per Business Quant data, the top 10 holders of Mayville Engineering Company for the quarter ending December 2025 are Allspring Global Investments Holdings, LLC (2.05Mn), DIMENSIONAL FUND ADVISORS LP (877.18K), BlackRock, Inc. (865.62K), VANGUARD GROUP INC (627.66K), ROYCE & ASSOCIATES LP (624.31K), EVR Research LP (605.0K), BLAIR WILLIAM & CO/IL (583.76K), Portolan Capital Management, LLC (512.76K), 22NW, LP (414.28K), First Eagle Investment Management, LLC (358.08K).

120 Institutional Holders

561,266 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-49,220	-5.38%	$0.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	30,052	3.55%	$0.00
Allspring Global Investments Holdings, LLC	31 Dec, 2025	-358,490	-14.87%	$0.00
Barclays Plc	31 Dec, 2025	-37,138	-50.08%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-244,004	-27.99%	$0.00
EVR Research LP	31 Dec, 2025	605,000	0.00%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	890	322.46%	$0.00
ROYCE & ASSOCIATES LP	31 Dec, 2025	57,590	10.16%	$0.00
22NW, LP	31 Dec, 2025	14,390	3.60%	$0.00
BLAIR WILLIAM & CO/IL	31 Dec, 2025	206,549	54.76%	$0.00
CenterBook Partners LP	31 Dec, 2025	78,132	43.98%	$0.00
Portolan Capital Management, LLC	31 Dec, 2025	512,762	0.00%	$0.00
Congruence Capital, LLC	31 Dec, 2025	208,102	0.00%	$0.00
First Eagle Investment Management, LLC	31 Dec, 2025	3,500	0.99%	$0.00
Russell Investments Group, Ltd.	31 Dec, 2025	-2,413	-1.25%	$0.00
Ameriprise Financial Inc	31 Dec, 2025	-43,317	-10.99%	$0.00
UBS Group AG	31 Dec, 2025	40,798	38.58%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	-5,952	-1.78%	$0.00
Roubaix Capital, LLC	31 Dec, 2025	-66,391	-31.22%	$0.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	19,815	7.38%	$0.00

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