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Private Wealth Daily
FUNDS · LAST CLOSEIVV759.18 −1.78%SPY755.72 −1.77%VOO522.67 −0.95%QQQ690.49 −3.47%VTI281.03 −0.75%IEFA96.31 −0.92%VEA50.10 −5.13%VUG382.92 −0.26%GLD355.78 −3.47%IWF125.62 +0.18%
The Lean 100 · 2026 edition
No.67
Riverstone Advisors logo

Riverstone Advisors

Location not listed · Firm website

95%AUM growth, 2024 to 2026
$641MAUM in the 2026 filing
13%client growth
5people at the firm

AUM by filing

$281M2023
$329M2024
$390M2025
$641M2026

Clients by filing

1332023
1482024
1532025
1672026

Key people

  • John HansonPrincipal, Co-Chief Investment OfficerOwner · 11 years at the firm
    in
  • Leslie LammersPresident & PrincipalOwner · 23 years at the firm
    in
  • Matthew WilliamsDirector of Financial Planning3 years at the firm
    in

Against the list

  • MeasureThis firmList median
  • AUM growth95%104%
  • Client growth13%43%
  • People57
  • AUM per person$128.2M$49.7M

Rank by measure

  • Official rankNo. 6795%
  • Client growthNo. 9413%
  • AUM added per personNo. 10$62.4M
  • AUM per personNo. 8$128.2M

AUM jump noted: this firm reported a large one-year rise with no deal we could find behind it.

← No. 66 CFG RetirementNo. 68 Fortress Wealth Planning →
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Riverstone Advisors: No. 67 on The Lean 100 (2026) — Private Wealth Daily