Jones Financial Companies
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Jones Financial Companies’s Mayville Engineering Co MEC Stock Holding History

Jones Financial Companies’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 		$169K Sell
4,560
-1,621
-26% -$43.3K ﹤0.01% 2655
2026
Q1 		$109K Buy
6,181
+3,252
+111% +$62.6K ﹤0.01% 2634
2025
Q4 		$54.8K Buy
2,929
+1,600
+120% +$26.1K ﹤0.01% 2477
2025
Q3 		$18K Buy
1,329
+215
+19% +$3.23K ﹤0.01% 2850
2025
Q2 		$18K Buy
+1,114
New +$15.9K ﹤0.01% 2642

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

Jones Financial Companies's MEC Position: Q2 2026 in Review

Jones Financial Companies reduced its Mayville Engineering Co (MEC) stake by 26% in Q2 2026, selling an estimated $43.3K and leaving 4,560 shares worth $169K. The position accounts for ﹤0.01% of the portfolio, ranked #2655.

Jones Financial Companies first reported a position in MEC in Q2 2025 and has held it in 5 quarters since. 155 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

  • Jones Financial Companies held 4,560 shares of Mayville Engineering Co worth $169K as of Q2 2026.
  • Jones Financial Companies sold 1,621 Mayville Engineering Co shares in Q2 2026, an estimated $43.3K.
  • Mayville Engineering Co made up ﹤0.01% of Jones Financial Companies's portfolio in Q2 2026, its #2655 holding.
  • Jones Financial Companies first reported a position in Mayville Engineering Co in Q2 2025 and has held it in 5 quarters since.
  • 155 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on Jones Financial Companies's 13F filing for Q2 2026, filed 14 Aug 2026.