Harbour Investments’s Mayville Engineering Co MEC Stock Holding History

Harbour Investments’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 Q2	$288K	Hold	7,700	–	–	﹤0.01%	1401
2026 Q1	$138K	Hold	7,700	–	–	﹤0.01%	1739
2025 Q4	$144K	Hold	7,700	–	–	﹤0.01%	1450
2025 Q3	$106K	Hold	7,700	–	–	﹤0.01%	1561
2025 Q2	$123K	Hold	7,700	–	–	﹤0.01%	1402
2025 Q1	$103K	Hold	7,700	–	–	﹤0.01%	1416
2024 Q4	$121K	Hold	7,700	–	–	﹤0.01%	1280
2024 Q3	$162K	Hold	7,700	–	–	﹤0.01%	1103
2024 Q2	$128K	Hold	7,700	–	–	﹤0.01%	1128
2024 Q1	$110K	Hold	7,700	–	–	﹤0.01%	1165
2023 Q4	$111K	Hold	7,700	–	–	﹤0.01%	1095
2023 Q3	$84.5K	Hold	7,700	–	–	﹤0.01%	1111
2023 Q2	$95.9K	Sell	7,700 -1,262	-14%	-$15.9K	﹤0.01%	1077
2023 Q1	$134K	Hold	8,962	–	–	0.01%	921
2022 Q4	$113K	Hold	8,962	–	–	0.01%	962
2022 Q3	$69K	Hold	8,962	–	–	﹤0.01%	1136
2022 Q2	$69K	Buy	+8,962	New	+$76K	﹤0.01%	1136
2021 Q4	$134K	Hold	8,962	–	–	0.01%	857
2021 Q3	$168K	Hold	8,962	–	–	0.01%	1108
2021 Q2	$180K	Buy	8,962 +1,262	+16%	+$22.3K	0.01%	1102
2021 Q1	$111K	Buy	+7,700	New	+$114K	﹤0.01%	1249

Other funds holding MEC

PCM

Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return

SPPAM

Summit Partners Public Asset Management Boston, Massachusetts $5.69B AUM 259.25% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Harbour Investments's MEC Position: Q2 2026 in Review

Harbour Investments held its Mayville Engineering Co (MEC) position steady in Q2 2026 at 7,700 shares worth $288K. The position accounts for ﹤0.01% of the portfolio, ranked #1401.

Harbour Investments first reported a position in MEC in Q1 2021 and has held it in 21 quarters since. 155 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

Harbour Investments held 7,700 shares of Mayville Engineering Co worth $288K as of Q2 2026.
Harbour Investments left its Mayville Engineering Co share count unchanged in Q2 2026.
Mayville Engineering Co made up ﹤0.01% of Harbour Investments's portfolio in Q2 2026, its #1401 holding.
Harbour Investments first reported a position in Mayville Engineering Co in Q1 2021 and has held it in 21 quarters since.
155 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on Harbour Investments's 13F filing for Q2 2026, filed 12 Aug 2026.