AAPL…MSFT…GOOGL…META…NVDA…BRK-B…AMZN…JPM…BAC…KO…CVX…OXY…AXP…CMG…V…AAPL…MSFT…GOOGL…META…NVDA…BRK-B…AMZN…JPM…BAC…KO…CVX…OXY…AXP…CMG…V…
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Head-to-head comparison

Jeffrey Ubben vs Lee Ainslie

Jeffrey Ubben
ValueAct Capital
Q8/10
"Constructive activism. Partner with management, not fight them."
5 positionsSince 2000
Lee Ainslie
Maverick Capital
Q8/10
"Long-short equity, deep fundamental, team-based research."
5 positionsSince 1993

Shared conviction

Stocks both managers hold as a top position. Overlap in conviction is a strong consensus signal.

TickerJeffrey %Lee %
META8.1%2.9%

Recent moves — Q4 2025

Latest quarter activity for each manager.

Jeffrey Ubben
  • METAADD +10%
    Activist continuing to build META exposure.
  • ENPHNEW
    New solar position.
Lee Ainslie
  • METAADD +50%
    Big META add — conviction build.
  • NFLXADD +35%
    Adding Netflix.

Data sourced from 13F filings with the SEC. Overlap in top positions is a concrete consensus signal, not investment advice.