Leopold Aschenbrenner Holdings 13F: Latest Situational Awareness LP Portfolio Changes
Situational Awareness LP. AI-focused emerging fund. Leopold Aschenbrenner is a former OpenAI researcher known for his influential 'Situational Awareness' paper predicting AGI timelines. His fund focuses heavily on the AI supply chain and compute infrastructure.
As of the latest Q2 2026 13F filing, Leopold Aschenbrenner (managing Situational Awareness LP) reported a public portfolio value of $20.2B with 26 positions. This page tracks latest holdings, latest 13F changes, top buys, top sells, and top holdings from the public filing. The top recent buy was SNDK. The top recent sell was BE.
Open interactive portfolioLatest 13F portfolio changes
Leopold Aschenbrenner holdings 13F summary: the latest Situational Awareness LP portfolio changes show top holdings including SANDISK, MICRON TECHNOLOGY, BLOOM ENERGY, TSMC, and NEBIUS GROUP N.V., reported top buys such as SANDISK, MICRON TECHNOLOGY, TSMC, and NEBIUS GROUP N.V., and top sells or reductions such as BLOOM ENERGY, IREN LIMITED, T1 ENERGY, and BITFARMS.
Latest filing metadata: quarter Q2 2026; report date 2026-06-30; filing date 2026-08-14; disclosure source SEC 13F.
Leopold Aschenbrenner 13F portfolio and latest holdings overview
Leopold Aschenbrenner's Q2 2026 13F holdings show Situational Awareness LP reporting 26 positions with a disclosed portfolio value of $20.2B. For readers searching Leopold Aschenbrenner 13F holdings, Leopold Aschenbrenner portfolio, Situational Awareness LP holdings, or latest 13F changes, the latest top holdings include SANDISK, MICRON TECHNOLOGY, BLOOM ENERGY, TSMC, and NEBIUS GROUP N.V..
The three largest reported positions add up to roughly 65.2%, which helps readers judge portfolio concentration rather than just headline AUM. The largest reported sector exposure is Information Technology at 76.8% of the disclosed portfolio. This makes the page useful for comparing the manager's actual disclosed exposure with market narratives around the same names.
The latest change data highlights reported buys such as SANDISK, MICRON TECHNOLOGY, TSMC, NEBIUS GROUP N.V., and COREWEAVE and reported reductions or exits such as BLOOM ENERGY, IREN LIMITED, T1 ENERGY, BITFARMS, and POWER SOLUTIONS INTL. Those changes should be read as historical disclosure signals, not as real-time trade alerts.
The filing metadata lists report date 2026-06-30, filing date 2026-08-14, SEC accession 0000935836-26-000418. SEC 13F reports are normally published up to 45 days after quarter end, so the data is best used to understand institutional positioning after the fact rather than to infer today's exact portfolio.
A good way to use this page is to compare Leopold Aschenbrenner's representative holdings, recent buys and sells, and sector allocation against other tracked investors. The static page gives Google and readers a readable summary, while the interactive dashboard lets users inspect the full Situational Awareness LP portfolio table, charts, and stock-level holder pages.
Leopold Aschenbrenner portfolio analytics
the top five positions account for 77.6% of disclosed value; the largest sector exposure is Information Technology at 76.8%; reported buy and sell activity implies roughly 95.8% turnover this period; cost-basis P&L across 23 tracked positions averages 229.7% (17/18 currently in profit).
Top reported holdings
| Holding | Reported value | Weight | Quarter change |
|---|---|---|---|
| SNDK whale holders SANDISK CORP | $5.67B | 28.1% | Increased |
| MU whale holders MICRON TECHNOLOGY INC | $5.57B | 27.6% | Increased |
| BE whale holders BLOOM ENERGY CORP | $1.90B | 9.4% | Reduced |
| TSMWF whale holders TAIWAN SEMICONDUCTOR MANUFAC | $1.27B | 6.3% | Increased |
| NBIS whale holders NEBIUS GROUP N.V. | $1.23B | 6.1% | New |
| CRWV whale holders COREWEAVE INC | $744.5M | 3.7% | Increased |
| CORZZ whale holders CORE SCIENTIFIC INC NEW | $665.6M | 3.3% | Held |
| STM whale holders STMICROELECTRONICS | $584.3M | 2.9% | New |
| APLD whale holders APPLIED DIGITAL CORP | $469.0M | 2.3% | Increased |
| RIOT whale holders RIOT PLATFORMS INC | $468.2M | 2.3% | Increased |
Top buys
- SNDK whale holders — SANDISK CORP ($5.67B)
- MU whale holders — MICRON TECHNOLOGY INC ($5.57B)
- TSMWF whale holders — TAIWAN SEMICONDUCTOR MANUFAC ($1.27B)
- NBIS whale holders — NEBIUS GROUP N.V. ($1.23B)
- CRWV whale holders — COREWEAVE INC ($744.5M)
- STM whale holders — STMICROELECTRONICS ($584.3M)
Top sells
- BE whale holders — BLOOM ENERGY CORP ($1.90B)
- IREN whale holders — IREN LIMITED ($433.3M)
- TE-WT whale holders — T1 ENERGY INC ($46.5M)
- BITF whale holders — BITFARMS LTD ($38.8M)
- PSIX whale holders — POWER SOLUTIONS INTL INC ($26.3M)
- AMD whale holders — ADVANCED MICRO DEVICES INC ($20.2M)
Allocation
- Information Technology: 76.8%
- Energy: 10.1%
- Other: 9.9%
- Digital Assets: 3.3%
Data notes
Report date: 2026-06-30
Disclosure source: SEC 13F
SEC 13F filings are delayed public disclosures and do not include every asset class, short positions, or real-time trades.
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Frequently asked questions
Leopold Aschenbrenner 13F Holdings
The Q2 2026 13F profile for Leopold Aschenbrenner and Situational Awareness LP shows 26 reported positions, $20.2B in disclosed portfolio value, and top holdings including SANDISK, MICRON TECHNOLOGY, BLOOM ENERGY, TSMC, and NEBIUS GROUP N.V..
What is Leopold Aschenbrenner buying? Latest 13F changes
The latest tracked change data for Leopold Aschenbrenner highlights reported buys such as SANDISK, MICRON TECHNOLOGY, TSMC, and NEBIUS GROUP N.V. and reported sells or reductions such as BLOOM ENERGY, IREN LIMITED, T1 ENERGY, and BITFARMS.
Situational Awareness LP top holdings
Situational Awareness LP top holdings are summarized from public disclosures with reported values, weights, portfolio concentration, top buys, top sells, and filing metadata where available.
Leopold Aschenbrenner buys and sells
Use the top buys and top sells sections above to compare Leopold Aschenbrenner's reported additions, reductions, exits, and latest portfolio activity against other tracked investors.
How delayed is Leopold Aschenbrenner's 13F data?
SEC Form 13F requires institutional investment managers with $100M+ in US equities to disclose their holdings quarterly. Read our comprehensive 13F guide for timing, coverage, and limitations. Read the Whale Analyzer 13F guide.