Vanguard Portfolio Management
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Vanguard Portfolio Management’s Mayville Engineering Co MEC Stock Holding History

Vanguard Portfolio Management’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 		$3.68M Buy
98,263
+22,360
+29% +$598K ﹤0.01% 2528
2026
Q1 		$1.36M Buy
+75,903
New +$1.46M ﹤0.01% 2707

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

Vanguard Portfolio Management's MEC Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Mayville Engineering Co (MEC) stake by 29% in Q2 2026, buying an estimated $598K and bringing the position to 98,263 shares worth $3.68M. The position accounts for ﹤0.01% of the portfolio, ranked #2528.

Vanguard Portfolio Management first reported a position in MEC in Q1 2026 and has held it in 2 quarters since. 153 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

  • Vanguard Portfolio Management held 98,263 shares of Mayville Engineering Co worth $3.68M as of Q2 2026.
  • Vanguard Portfolio Management bought 22,360 Mayville Engineering Co shares in Q2 2026, an estimated $598K.
  • Mayville Engineering Co made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #2528 holding.
  • Vanguard Portfolio Management first reported a position in Mayville Engineering Co in Q1 2026 and has held it in 2 quarters since.
  • 153 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.