Two Sigma Investments
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Two Sigma Investments’s Mayville Engineering Co MEC Stock Holding History

Two Sigma 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
Q1 		$623K Buy
+34,708
New +$668K ﹤0.01% 3581
2024
Q3 		– Sell
-10,978
Closed -$183K – 3250
2024
Q2 		$183K Sell
10,978
-2,810
-20% -$42.5K ﹤0.01% 2745
2024
Q1 		$198K Buy
+13,788
New +$180K ﹤0.01% 2722
2023
Q3 		– Sell
-37,691
Closed -$470K – 3104
2023
Q2 		$470K Buy
37,691
+19,291
+105% +$244K ﹤0.01% 2360
2023
Q1 		$275K Sell
18,400
-16,967
-48% -$247K ﹤0.01% 2461
2022
Q4 		$448K Buy
35,367
+5,035
+17% +$50.2K ﹤0.01% 2071
2022
Q3 		$197K Buy
+30,332
New +$218K ﹤0.01% 2108

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

Two Sigma Investments's MEC Position: Q1 2026 in Review

Two Sigma Investments opened a new position in Mayville Engineering Co (MEC) in Q1 2026: 34,708 shares worth $623K. The stake represents ﹤0.01% of the portfolio and ranks #3581 among its holdings. This is a return to the name: Two Sigma Investments previously reported a position in MEC as recently as Q2 2024.

Two Sigma Investments first reported a position in MEC in Q3 2022 and has held it in 7 quarters since. 124 funds tracked by Wall St. Rank hold MEC as of Q1 2026.

  • Two Sigma Investments held 34,708 shares of Mayville Engineering Co worth $623K as of Q1 2026.
  • Mayville Engineering Co was a new Two Sigma Investments position in Q1 2026.
  • Mayville Engineering Co made up ﹤0.01% of Two Sigma Investments's portfolio in Q1 2026, its #3581 holding.
  • Two Sigma Investments first reported a position in Mayville Engineering Co in Q3 2022 and has held it in 7 quarters since.
  • 124 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.