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.

Ticker	Company	Price · Today	Jeffrey %	Lee %
META	Meta Platforms		8.1%	2.9%

Remove with Pro →

Recent moves — Q2 2026

Latest quarter activity for each manager.

No tracked moves for Jeffrey this quarter.

Lee Ainslie

NSCADD +500%
COFADD +489%
GOOGLADD +486%
UNPADD +250%
TDGADD +216%
ASMLADD +150%
LYVADD +144%
WBDNEW
KEYSNEW
XYZNEW
FLEXNEW
TTMINEW
GOOGNEW
PFGCNEW
SYYNEW
ARESNEW
SPCXNEW
SPYNEW
APLDNEW
BLCONEW

+ 20 more moves this quarter (showing the 20 highest-conviction)

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

Deep dive

Reading for your research

Optional background reading on interpreting company disclosures and investing methods. These books do not validate a signal or predict returns.

Amazon affiliate links — as an Amazon Associate, HoldLens earns from qualifying purchases and membership trials at no extra cost to you. These are books we genuinely recommend. Not investment advice; always do your own research.

Benjamin Graham

The Intelligent Investor

The foundational text. Buffett calls it 'by far the best book about investing ever written.'

See price on Amazon

Benjamin Graham & David Dodd

Security Analysis

The deep dive behind The Intelligent Investor — how to actually read a filing and value a business.

See price on Amazon

See the full investing reading list