AllianceBernstein’s Mayville Engineering Co MEC Stock Holding History

AllianceBernstein’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	–	Sell	-12,810	Closed	-$240K	–	3391
2026 Q1	$240K	Hold	12,810	–	–	﹤0.01%	2971
2025 Q4	$240K	Sell	12,810 -380	-3%	-$6.2K	﹤0.01%	2990
2025 Q3	$181K	Hold	13,190	–	–	﹤0.01%	3107
2025 Q2	$211K	Buy	+13,190	New	+$188K	﹤0.01%	3039

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

AllianceBernstein's MEC Position: Q2 2026 in Review

AllianceBernstein sold out of Mayville Engineering Co (MEC) in Q2 2026, closing a stake of 12,810 shares — an estimated $240K sold.

AllianceBernstein first reported a position in MEC in Q2 2025 and held it in 4 quarters. The position peaked at $240K in Q1 2026. 155 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

AllianceBernstein reported no remaining Mayville Engineering Co position as of Q2 2026 after selling out during the quarter.
AllianceBernstein sold 12,810 Mayville Engineering Co shares in Q2 2026, an estimated $240K.
AllianceBernstein first reported a position in Mayville Engineering Co in Q2 2025 and held it in 4 quarters.
AllianceBernstein's Mayville Engineering Co position peaked at $240K in Q1 2026.
155 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on AllianceBernstein's 13F filing for Q2 2026, filed 14 Aug 2026.