start at data · q2 2026
The watchlist.
four managers we follow line-by-line. fresh 13F filings, read against last quarter, against the index, against what they wrote.
- filings tracked
- 04
- last sync
- 14 Aug
- quarter
- Q2·26
AllAI · InfraGrowthConcentrated
Situational Awareness Partners
Leopold Aschenbrenner · Founder & CIO
- 13F AUM
- $20.24B
- Holdings
- 26
- Top Position
- 28.0%
- Top 10 Conc.
- 92%
Top Positions% of Portfolio
SNDK28.0%
MU27.5%
BE9.4%
TSM6.2%
NBIS6.1%
Open Brief
Atreides Management
Gavin Baker · Managing Partner & CIO
- 13F AUM
- $14.34B
- Holdings
- 49
- Top Position
- 32.6%
- Top 10 Conc.
- 77%
Top Positions% of Portfolio
SpaceX32.6%
QQQ16.4%
MU5.7%
CBRS4.8%
META4.7%
Open Brief
Altimeter Capital
Brad Gerstner · Founder & CIO
- 13F AUM
- $9.83B
- Holdings
- 20
- Top Position
- 19.2%
- Top 10 Conc.
- 83%
Top Positions% of Portfolio
NVDA19.2%
CBRS16.2%
META7.8%
TSM6.9%
CRWV6.2%
Open Brief
Whale Rock Capital
Alex Sacerdote · Founder & CIO
- 13F AUM
- $12.46B
- Holdings
- 35
- Top Position
- 10.9%
- Top 10 Conc.
- 59%
Top Positions% of Portfolio
SNDK10.9%
AMD7.0%
GOOGL6.9%
TTMI6.4%
ALAB6.1%
Open Brief
