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Jupiter Topco’s Mayville Engineering Co MEC Stock Holding History

Jupiter Topco’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 		$21.5M Buy
+575,278
New +$15.4M 0.01% 639

Other funds holding MEC

PCM
Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 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
William Blair & Company
William Blair & Company Chicago, Illinois $38.4B AUM 25.71% 1-Year Est. Return

Jupiter Topco's MEC Position: Q2 2026 in Review

Jupiter Topco opened a new position in Mayville Engineering Co (MEC) in Q2 2026: 575,278 shares worth $21.5M. The stake represents 0.01% of the portfolio and ranks #639 among its holdings.

139 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

  • Jupiter Topco held 575,278 shares of Mayville Engineering Co worth $21.5M as of Q2 2026.
  • Mayville Engineering Co was a new Jupiter Topco position in Q2 2026.
  • Mayville Engineering Co made up 0.01% of Jupiter Topco's portfolio in Q2 2026, its #639 holding.
  • 139 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

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