California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Mayville Engineering Co MEC Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$12.7K Sell
708
-97
-12% -$1.87K ﹤0.01% 2585
2025
Q4 		$15.1K Sell
805
-118
-13% -$1.92K ﹤0.01% 2634
2025
Q3 		$12.7K Buy
923
+1
+0.1% +$15 ﹤0.01% 2744
2025
Q2 		$14.7K Hold
922
– – ﹤0.01% 2593
2025
Q1 		$12.4K Hold
922
– – ﹤0.01% 2694
2024
Q4 		$14.5K Hold
922
– – ﹤0.01% 2731
2024
Q3 		$19.4K Hold
922
– – ﹤0.01% 2621
2024
Q2 		$15.4K Sell
922
-205
-18% -$3.1K ﹤0.01% 2702
2024
Q1 		$16.1K Sell
1,127
-718
-39% -$9.37K ﹤0.01% 2801
2023
Q4 		$26.6K Sell
1,845
-628
-25% -$7.79K ﹤0.01% 2830
2023
Q3 		$27.1K Sell
2,473
-1,202
-33% -$13.9K ﹤0.01% 2928
2023
Q2 		$45.8K Buy
+3,675
New +$46.4K ﹤0.01% 2955
2022
Q2 		– Sell
-3,867
Closed -$36K – 3240
2022
Q1 		$36K Sell
3,867
-1,010
-21% -$11.5K ﹤0.01% 3105
2021
Q4 		$73K Buy
4,877
+109
+2% +$1.8K ﹤0.01% 3082
2021
Q3 		$90K Sell
4,768
-7,583
-61% -$130K ﹤0.01% 3022
2021
Q2 		$248K Buy
12,351
+714
+6% +$12.6K ﹤0.01% 2958
2021
Q1 		$167K Buy
11,637
+1,473
+14% +$21.7K ﹤0.01% 2960
2020
Q4 		$136K Hold
10,164
– – ﹤0.01% 2971
2020
Q3 		$93K Buy
10,164
+344
+4% +$2.91K ﹤0.01% 2978
2020
Q2 		$78K Hold
9,820
– – ﹤0.01% 2977
2020
Q1 		$60K Buy
9,820
+112
+1% +$841 ﹤0.01% 2895
2019
Q4 		$91K Hold
9,708
– – ﹤0.01% 2935
2019
Q3 		$128K Hold
9,708
– – ﹤0.01% 2906
2019
Q2 		$134K Buy
+9,708
New +$150K ﹤0.01% 2942

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

California State Teachers Retirement System (CalSTRS)'s MEC Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Mayville Engineering Co (MEC) stake by 12% in Q1 2026, selling an estimated $1.87K and leaving 708 shares worth $12.7K. The position accounts for ﹤0.01% of the portfolio, ranked #2585.

California State Teachers Retirement System (CalSTRS) first reported a position in MEC in Q2 2019 and has held it in 24 quarters since. The position peaked at $248K in Q2 2021. 124 funds tracked by Wall St. Rank hold MEC as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 708 shares of Mayville Engineering Co worth $12.7K as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 97 Mayville Engineering Co shares in Q1 2026, an estimated $1.87K.
  • Mayville Engineering Co made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #2585 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Mayville Engineering Co in Q2 2019 and has held it in 24 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Mayville Engineering Co position peaked at $248K in Q2 2021.
  • 124 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.