William Blair & Company
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William Blair & Company’s Mach Natural Resources MNR Stock Holding History

William Blair & Company’s Portfolio MNR Stock Details MNR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.73M Buy
136,729
+74,300
+119% +$991K ﹤0.01% 812
2026
Q1 		$874K Buy
+62,429
New +$786K ﹤0.01% 979

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Morgan Stanley
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CBU
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First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
PEAK6
PEAK6 Chicago, Illinois $48.6B AUM 40.56% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return

William Blair & Company's MNR Position: Q2 2026 in Review

William Blair & Company increased its Mach Natural Resources (MNR) stake by 119% in Q2 2026, buying an estimated $991K and bringing the position to 136,729 shares worth $1.73M. The position accounts for ﹤0.01% of the portfolio, ranked #812.

William Blair & Company first reported a position in MNR in Q1 2026 and has held it in 2 quarters since. 68 funds tracked by Wall St. Rank hold MNR as of Q2 2026.

  • William Blair & Company held 136,729 shares of Mach Natural Resources worth $1.73M as of Q2 2026.
  • William Blair & Company bought 74,300 Mach Natural Resources shares in Q2 2026, an estimated $991K.
  • Mach Natural Resources made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #812 holding.
  • William Blair & Company first reported a position in Mach Natural Resources in Q1 2026 and has held it in 2 quarters since.
  • 68 funds tracked by Wall St. Rank held Mach Natural Resources as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.