State Street
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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
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

Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
BlackRock
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
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
ER
EVR Research Richmond, Virginia $250M AUM 41.5% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
William Blair & Company
William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return
First Eagle Investment Management
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

State Street's MEC Position: Q1 2026 in Review

State Street increased its Mayville Engineering Co (MEC) stake by 0.3% in Q1 2026, buying an estimated $16.4K and bringing the position to 285,850 shares worth $5.13M. The position accounts for ﹤0.01% of the portfolio, ranked #2950.

State Street first reported a position in MEC in Q2 2019 and has held it in 28 quarters since. The position peaked at $5.34M in Q4 2025. 124 funds tracked by Wall St. Rank hold MEC as of Q1 2026.

  • State Street held 285,850 shares of Mayville Engineering Co worth $5.13M as of Q1 2026.
  • State Street bought 850 Mayville Engineering Co shares in Q1 2026, an estimated $16.4K.
  • Mayville Engineering Co made up ﹤0.01% of State Street's portfolio in Q1 2026, its #2950 holding.
  • State Street first reported a position in Mayville Engineering Co in Q2 2019 and has held it in 28 quarters since.
  • State Street's Mayville Engineering Co position peaked at $5.34M in Q4 2025.
  • 124 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q1 2026.

Based on State Street's 13F filing for Q1 2026, filed 15 May 2026.