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Numerai’s Mayville Engineering Co MEC Stock Holding History

Numerai’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 		$465K Sell
12,410
-27,345
-69% -$731K 0.04% 584
2026
Q1 		$714K Buy
+39,755
New +$765K 0.07% 436

Other funds holding MEC

PCM
Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Allspring Global Investments
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
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Numerai's MEC Position: Q2 2026 in Review

Numerai reduced its Mayville Engineering Co (MEC) stake by 69% in Q2 2026, selling an estimated $731K and leaving 12,410 shares worth $465K. The position accounts for 0.04% of the portfolio, ranked #584.

Numerai first reported a position in MEC in Q1 2026 and has held it in 2 quarters since. The position peaked at $714K in Q1 2026. 155 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

  • Numerai held 12,410 shares of Mayville Engineering Co worth $465K as of Q2 2026.
  • Numerai sold 27,345 Mayville Engineering Co shares in Q2 2026, an estimated $731K.
  • Mayville Engineering Co made up 0.04% of Numerai's portfolio in Q2 2026, its #584 holding.
  • Numerai first reported a position in Mayville Engineering Co in Q1 2026 and has held it in 2 quarters since.
  • Numerai's Mayville Engineering Co position peaked at $714K in Q1 2026.
  • 155 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

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