Skip to content
Wednesday, November 4, 2026 · Today’s edition, 6:30 a.m. ETWed, Nov 4 · 6:30 a.m. editionSign inMy Desk 0EditionsSign in
The Lean 100 · 2026 edition
No.99
Insight Investment Counsel logo

Insight Investment Counsel

El Segundo, CA · Firm website

80%AUM growth, 2024 to 2026
$246MAUM in the 2026 filing
96%client growth
5people at the firm

AUM by filing

$131M2023
$136M2024
$230M2025
$246M2026

Clients by filing

522023
472024
982025
922026

Key people

  • Russ Kartub
    Russ KartubPresidentOwner · 12 years at the firm
    in
  • Joanne Nishiyama
    Joanne NishiyamaVice President2 years at the firm
    in

Against the list

  • MeasureThis firmList median
  • AUM growth80%104%
  • Client growth96%43%
  • People57
  • AUM per person$49.1M$49.7M

Rank by measure

  • Official rankNo. 9980%
  • Client growthNo. 1796%
  • AUM added per personNo. 62$21.9M
  • AUM per personNo. 51$49.1M

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

Private Wealth DailyThe morning edition

The private wealth industry in four minutes, every morning at 6:30 a.m. ET. Free.

Free. Every morning. Unsubscribe from any edition in one click.

Insight Investment Counsel: No. 99 on The Lean 100 (2026) — Private Wealth Daily