start at data · q1 2026

The watchlist.

three managers we follow line-by-line. fresh 13F filings, read against last quarter, against the index, against what they wrote.

filings tracked
03
last sync
18 May
quarter
Q1·26
AllAI · InfraGrowthConcentrated
13F · Q1 2026CIK · 2045724

Situational Awareness Partners

Leopold Aschenbrenner · Founder & CIO
13F AUM
$17.47B
Holdings
42
Top Position
11.7%
Top 10 Conc.
57%
Top Positions% of Portfolio
SMH11.7%
NVDA9.0%
ORCL6.1%
AVGO5.8%
AMD5.5%
Open Brief
13F · Q1 2026CIK · 1777813

Atreides Management

Gavin Baker · Managing Partner & CIO
13F AUM
$5.00B
Holdings
54
Top Position
16.2%
Top 10 Conc.
58%
Top Positions% of Portfolio
QQQ16.2%
ALAB7.4%
U5.4%
CIEN5.3%
MU5.1%
Open Brief
13F · Q1 2026CIK · 1541617

Altimeter Capital

Brad Gerstner · Founder & CIO
13F AUM
$5.70B
Holdings
13
Top Position
28.6%
Top 10 Conc.
99%
Top Positions% of Portfolio
NVDA28.6%
META19.6%
UBER10.1%
TSM8.1%
MSFT7.7%
Open Brief
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