Rockefeller Capital Management’s Mayville Engineering Co MEC Stock Holding History

Rockefeller Capital Management’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	$4.95K	Sell	276 -307	-53%	-$5.91K	﹤0.01%	4249
2025 Q4	$10.9K	Buy	583 +307	+111%	+$5.01K	﹤0.01%	3773
2025 Q3	$3.8K	Buy	+276	New	+$4.15K	﹤0.01%	3953
2023 Q1	–	Sell	-919	Closed	-$11K	–	3118
2022 Q4	$11K	Sell	919 -61	-6%	-$608	﹤0.01%	3042
2022 Q3	$6K	Buy	980 +488	+99%	+$3.51K	﹤0.01%	3287
2022 Q2	$3K	Buy	492 +216	+78%	+$1.83K	﹤0.01%	3664
2022 Q1	$2K	Hold	276	–	–	﹤0.01%	3619
2021 Q4	$4K	Sell	276 -96	-26%	-$1.58K	﹤0.01%	3358
2021 Q3	$6K	Hold	372	–	–	﹤0.01%	3109
2021 Q2	$7K	Hold	372	–	–	﹤0.01%	2926
2021 Q1	$5K	Buy	+372	New	+$5.48K	﹤0.01%	2897

Other funds holding MEC

Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

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

Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

EVR Research Richmond, Virginia $250M AUM 41.5% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return

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

Rockefeller Capital Management's MEC Position: Q1 2026 in Review

Rockefeller Capital Management reduced its Mayville Engineering Co (MEC) stake by 53% in Q1 2026, selling an estimated $5.91K and leaving 276 shares worth $4.95K. The position accounts for ﹤0.01% of the portfolio, ranked #4249.

Rockefeller Capital Management first reported a position in MEC in Q1 2021 and has held it in 11 quarters since. The position peaked at $11K in Q4 2022. 124 funds tracked by Wall St. Rank hold MEC as of Q1 2026.

Rockefeller Capital Management held 276 shares of Mayville Engineering Co worth $4.95K as of Q1 2026.
Rockefeller Capital Management sold 307 Mayville Engineering Co shares in Q1 2026, an estimated $5.91K.
Mayville Engineering Co made up ﹤0.01% of Rockefeller Capital Management's portfolio in Q1 2026, its #4249 holding.
Rockefeller Capital Management first reported a position in Mayville Engineering Co in Q1 2021 and has held it in 11 quarters since.
Rockefeller Capital Management's Mayville Engineering Co position peaked at $11K in Q4 2022.
124 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q1 2026.

Based on Rockefeller Capital Management's 13F filing for Q1 2026, filed 14 May 2026.