State Street’s Mayville Engineering Co MEC Stock Holding History

State Street’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	$10.9M	Buy	291,168 +5,318	+2%	+$142K	﹤0.01%	2661
2026 Q1	$5.13M	Buy	285,850 +850	+0.3%	+$16.4K	﹤0.01%	2950
2025 Q4	$5.34M	Buy	285,000 +10,064	+4%	+$164K	﹤0.01%	2964
2025 Q3	$3.78M	Buy	274,936 +9,886	+4%	+$149K	﹤0.01%	3100
2025 Q2	$4.23M	Buy	265,050 +12,681	+5%	+$181K	﹤0.01%	3017
2025 Q1	$3.39M	Buy	252,369 +2,400	+1%	+$36.1K	﹤0.01%	3041
2024 Q4	$3.93M	Buy	249,969 +18,441	+8%	+$337K	﹤0.01%	3063
2024 Q3	$4.88M	Sell	231,528 -5,187	-2%	-$97.1K	﹤0.01%	2983
2024 Q2	$3.94M	Buy	236,715 +47,254	+25%	+$715K	﹤0.01%	3035
2024 Q1	$2.71M	Buy	189,461 +7,363	+4%	+$96.1K	﹤0.01%	3176
2023 Q4	$2.63M	Buy	182,098 +8,400	+5%	+$104K	﹤0.01%	3225
2023 Q3	$1.91M	Buy	173,698 +13,886	+9%	+$160K	﹤0.01%	3358
2023 Q2	$1.99M	Buy	159,812 +119,359	+295%	+$1.51M	﹤0.01%	3414
2023 Q1	$604K	Buy	40,453 +6,500	+19%	+$94.7K	﹤0.01%	3677
2022 Q4	$430K	Hold	33,953	–	–	﹤0.01%	3820
2022 Q3	$221K	Hold	33,953	–	–	﹤0.01%	4094
2022 Q2	$263K	Sell	33,953 -112,148	-77%	-$951K	﹤0.01%	4090
2022 Q1	$1.37M	Sell	146,101 -6,332	-4%	-$71.9K	﹤0.01%	3705
2021 Q4	$2.27M	Sell	152,433 -12,377	-8%	-$204K	﹤0.01%	3597
2021 Q3	$3.1M	Buy	164,810 +10,599	+7%	+$182K	﹤0.01%	3485
2021 Q2	$3.1M	Buy	154,211 +44,031	+40%	+$777K	﹤0.01%	3453
2021 Q1	$1.58M	Buy	110,180 +18,880	+21%	+$278K	﹤0.01%	3519
2020 Q4	$1.23M	Sell	91,300 -4,717	-5%	-$52.2K	﹤0.01%	3521
2020 Q3	$882K	Sell	96,017 -2,381	-2%	-$20.1K	﹤0.01%	3473
2020 Q2	$777K	Sell	98,398 -264	-0.3%	-$1.62K	﹤0.01%	3471
2020 Q1	$605K	Buy	98,662 +4,094	+4%	+$30.7K	﹤0.01%	3409
2019 Q4	$887K	Buy	94,568 +24,856	+36%	+$258K	﹤0.01%	3431
2019 Q3	$920K	Buy	69,712 +5,891	+9%	+$78.7K	﹤0.01%	3416
2019 Q2	$516K	Buy	+63,821	New	+$983K	﹤0.01%	3508

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

State Street's MEC Position: Q2 2026 in Review

State Street increased its Mayville Engineering Co (MEC) stake by 1.9% in Q2 2026, buying an estimated $142K and bringing the position to 291,168 shares worth $10.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2661.

State Street first reported a position in MEC in Q2 2019 and has held it in 29 quarters since. 155 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

State Street held 291,168 shares of Mayville Engineering Co worth $10.9M as of Q2 2026.
State Street bought 5,318 Mayville Engineering Co shares in Q2 2026, an estimated $142K.
Mayville Engineering Co made up ﹤0.01% of State Street's portfolio in Q2 2026, its #2661 holding.
State Street first reported a position in Mayville Engineering Co in Q2 2019 and has held it in 29 quarters since.
155 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on State Street's 13F filing for Q2 2026, filed 7 Aug 2026.