Leopold Aschenbrenner Portfolio: Situational Awareness 13F Holdings
Managed by Leopold Aschenbrenner
Positions as of Q2 2026 (quarter ended Jun 30, 2026), filed with the SEC on Aug 14, 2026.
Situational Awareness LP is a San Francisco investment adviser founded by Leopold Aschenbrenner in September 2024 that describes itself as a global equity investor focused on artificial intelligence. Its Form ADV lists Aschenbrenner as chief investment officer, and its Schedule 13D filings name Carl Shulman as co-portfolio manager.
13F holdings as of Jun 30, 2026
Source: Situational Awareness Form 13F-HR for Q2 2026, filed Aug 14, 2026, on SEC EDGAR. See our Methodology.
What did Situational Awareness buy and sell in Q2 2026?
Compared with its Q1 2026 filing, Situational Awareness reported 5 new positions, added to 11, reduced 3 and sold out of 8. Changes are measured in shares, so a position can rise in value without being added to.
New positions
Top 5Added to
Top 6Top 10 holdings and concentration
Q2 2026The ten largest positions make up 92.1% of the $20.17B reported in long positions, led by SNDK at 28.1%.
Sector allocation
Q2 2026Share of the $20.17B reported, by the sector of each stock. 11.3% is in ETFs, funds and securities without a sector on file.
| Sector | Weight | Positions |
|---|---|---|
| Technology | 74.4% | 8 |
| Industrials | 9.8% | 3 |
| Financials | 4.0% | 3 |
| Energy | 0.6% | 2 |
Situational Awareness 13F holdings, Q2 2026
All 23 positions| # | Company | Shares | Value | Weight | vs Q1 2026 |
|---|---|---|---|---|---|
| 1 | SNDKSANDISK CORP | 2.50M | $5.67B | 28.13% | +119% |
| 2 | MUMICRON TECHNOLOGY INC | 4.83M | $5.57B | 27.64% | +27712% |
| 3 | BEBLOOM ENERGY CORP | 6.27M | $1.90B | 9.41% | -3% |
| 4 | TSMTAIWAN SEMICONDUCTOR MANUFAC | 2.65M | $1.27B | 6.27% | +11714% |
| 5 | N97284108NEBIUS GROUP N.V. | 4.46M | $1.23B | 6.11% | NEW |
| 6 | CRWVCOREWEAVE INC | 7.48M | $744.52M | 3.69% | +4% |
| 7 | CORZCORE SCIENTIFIC INC NEW | 26.01M | $665.56M | 3.30% | – |
| 8 | STMSTMICROELECTRONICS | 7.80M | $584.34M | 2.90% | NEW |
| 9 | APLDAPPLIED DIGITAL CORP | 15.38M | $469.02M | 2.33% | +14% |
| 10 | RIOTRIOT PLATFORMS INC | 17.10M | $468.20M | 2.32% | +49% |
| 11 | SHAZSHARONAI HOLDINGS INC | 5.40M | $456.84M | 2.27% | +578% |
| 12 | Q4982L109IREN LIMITED | 9.47M | $433.25M | 2.15% | -19% |
| 13 | CLSKCLEANSPARK INC | 12.28M | $178.62M | 0.89% | – |
| 14 | KEELKEEL INFRASTRUCTURE CORP | 26.45M | $151.83M | 0.75% | NEW |
| 15 | SEISOLARIS ENERGY INFRAS INC | 1.13M | $90.89M | 0.45% | +2% |
| 16 | G96115103WHITEFIBER INC | 1.76M | $68.28M | 0.34% | – |
| 17 | G11448100BITDEER TECHNOLOGIES GROUP | 3.44M | $54.58M | 0.27% | – |
| 18 | TET1 ENERGY INC | 4.90M | $46.45M | 0.23% | -51% |
| 19 | HIVEHIVE DIGITAL TECHNOLOGIES LT | 9.13M | $33.25M | 0.16% | +169% |
| 20 | BWBABCOCK & WILCOX ENTERPRISES | 2.03M | $28.59M | 0.14% | +50% |
| 21 | PUMPPROPETRO HLDG CORP | 1.96M | $28.11M | 0.14% | +115% |
| 22 | VSHVISHAY INTERTECHNOLOGY INC | 375K | $20.17M | 0.10% | NEW |
| 23 | CBRSCEREBRAS SYSTEMS INC | 10K | $2.21M | 0.01% | NEW |
Situational Awareness portfolio by quarter
4 quarters on fileReported 13F value and position count for each quarter AlphaScala holds for Situational Awareness. Value changes include price moves as well as buying and selling. Position changes are shown only where the quarter was compared with the filing before it.
| Quarter | Reported value | Change | Positions | New | Sold out |
|---|---|---|---|---|---|
| Q2 2026 | $20.17B | +423.1% | 23 | 5 | 8 |
| Q1 2026 | $3.86B | -1.5% | 26 | 10 | 8 |
| Q4 2025 | $3.91B | +74.5% | 24 | 12 | 7 |
| Q3 2025 | $2.24B | – | 19 | – | – |
Options (notional value)
3 lines · $73.26M13F filers report listed puts and calls at the value of the underlying shares. These lines are not long stock positions and are left out of the totals and weights above.
Funds with overlapping holdings
Overlap is the sum of the smaller portfolio weight for each stock both funds hold, across Situational Awareness's 25 largest positions.
Related data
Data from SEC Form 13F-HR filings, which are due 45 days after quarter end and list long positions in US-listed equities as of that date. Short positions, cash, bonds, non-US holdings and intra-quarter trading are not shown. Listed options are shown separately at notional value. Changes compare the Q2 2026 filing with Q1 2026. Research only – not investment advice.