Public ownership research

AI investor portfolios

Follow every tracked Form 13F report, notice, and amendment. Compare disclosed portfolio composition with Hallucination Yield model sentiment when a security identity has been reviewed.

Form 13F is generally filed after quarter end. It does not show a current portfolio, short positions, complete derivatives exposure, fund NAV, or every security. This is research data—not investment advice.

Altimeter Capital

13F-HR

A technology-focused investment firm with concentrated exposure to cloud, software, and AI companies.

Holdings date: 2026-03-31
Long book: $5.70 billion
Top 5: 74.0%

Atreides Management

13F-HR

A public-markets manager with notable semiconductor, hardware, and technology exposure.

Holdings date: 2026-03-31
Long book: $4.10 billion
Top 5: 33.6%

Braidwell

13F-HR

An investment manager focused on healthcare, life sciences, and computational biology.

Holdings date: 2026-03-31
Long book: $2.63 billion
Top 5: 17.8%

Coatue Management

13F-HR

A global technology investment manager active across public and private markets.

Holdings date: 2026-03-31
Long book: $29.05 billion
Top 5: 37.9%

D1 Capital Partners

13F-HR

A public/private investor with strong technology and infrastructure overlap.

Holdings date: 2026-03-31
Long book: $10.90 billion
Top 5: 26.6%

Dragoneer Investment Group

13F-HR

A public/private growth technology investor.

Holdings date: 2026-03-31
Long book: $3.00 billion
Top 5: 77.3%

Light Street Capital

13F-HR

A technology investment manager with concentrated semiconductor and internet positions.

Holdings date: 2026-03-31
Long book: $497.3 million
Top 5: 51.1%

Lone Pine Capital

13F-HR

A fundamental investment manager with technology, power, and compounder exposure.

Holdings date: 2026-03-31
Long book: $12.54 billion
Top 5: 29.6%

Situational Awareness LP

13F-HR

A concentrated public-markets portfolio focused on AI infrastructure and adjacent power, semiconductor, and compute themes.

Holdings date: 2026-03-31
Long book: $3.86 billion
Top 5: 76.5%

SurgoCap Partners

13F-HR

A concentrated investor focused on disruptive technologies and structural change.

Holdings date: 2026-03-31
Long book: $2.99 billion
Top 5: 62.8%

Third Point

13F-HR

An event-driven manager with AI, semiconductor, and power positioning.

Holdings date: 2026-03-31
Long book: $1.87 billion
Top 5: 57.4%

Viking Global

13F-HR

A large fundamental portfolio with technology and semiconductor exposure.

Holdings date: 2026-03-31
Long book: $34.90 billion
Top 5: 21.0%

Whale Rock Capital

13F-HR

A technology-oriented manager investing across internet, software, hardware, and growth companies.

Holdings date: 2026-03-31
Long book: $7.74 billion
Top 5: 31.3%

XN

13F-HR

A concentrated growth investor spanning public and private technology companies.

Holdings date: 2026-03-31
Long book: $2.63 billion
Top 5: 43.1%