In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Leopold Aschenbrenner's Situational Awareness reported 23 stock positions worth $20.2 billion . Its top holding was Sandisk (SNDK) at 28.1% of the portfolio, followed by Micron Technology (MU, 27.6% ) and Bloom Energy Class A (BE, 9.4% ). Compared with Q1 2026, it opened 4 new positions, sold out of 7, added to 12 and reduced 3. The biggest buy was Micron Technology (MU, shares +27712% ) and the biggest sale Bloom Energy Class A (BE, shares −3% ).
Notable People Leopold Aschenbrenner
Location SAN FRANCISCO, CA
CIK 0002045724
Portfolio Value $20.2B (Q2 2026) Holdings 23 stocks · $20.2B Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q1 2026 SNDK Sandisk Corp. 2,495,344 $5.7B Add +118.9% MU Micron Technology Inc. 4,828,786 $5.6B Add +27712.4% BE Bloom Energy Corp. Class A 6,272,808 $1.9B Reduce -3.3% TSM Taiwan Semiconductor-SP ADR 2,649,035 $1.3B Add +11713.9% NBIS Nebius Group NV 4,464,260 $1.2B New CRWV Coreweave Inc. Class A 7,479,558 $744.5M Add +4.2% CORZ Core Scientific Inc. 26,008,473 $665.6M No change STM Stmicroelectronics NV-NY SHS 7,802,700 $584.3M New APLD Applied Digital Corp. 15,384,616 $469.0M Add +14.1% RIOT Riot Platforms Inc. 17,100,000 $468.2M Add +48.7% SHAZ Sharonai Holdings Inc. 5,396,127 $456.8M Add +577.8% IREN Iren Ltd. filed as IREN LIMITED 9,474,099 $433.3M Reduce -19.0% CLSK Cleanspark Inc. 12,276,139 $178.6M No change KEEL Keel Infrastructure Corp. 26,451,393 $151.8M Add +33.1% SEI Solaris Energy Infrastructur 1,129,621 $90.9M Add +2.2% WYFI Whitefiber Inc. 1,757,600 $68.3M No change BTDR Bitdeer Technologies Group-A 3,439,450 $54.6M No change TE T1 Energy Inc. 4,900,000 $46.5M Reduce -51.0% HIVE Hive Digital Technologies LT 9,133,726 $33.2M Add +169.3% BW Babcock & Wilcox Enterpr 2,027,451 $28.6M Add +49.8% PUMP Propetro Holding Corp. 1,960,382 $28.1M Add +115.4% VSH Vishay Intertechnology Inc. 375,000 $20.2M New CBRS Cerebras Systems Inc. Class A 10,000 $2.2M New
Options reported separately and not counted above: BE calls ($44.1M), TSM calls ($23.9M), INFY puts ($5.2M).
Portfolio Sells Q1 2026 → Q2 2026 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
Stock Change vs Q1 2026 % Of Portfolio Change To Portfolio ▲ BE Bloom Energy Corp. Class A Reduce -3.3% 9.41% −13.38 IREN Iren Ltd. Reduce -19.0% 2.15% −8.25 TE T1 Energy Inc. Reduce -51.0% 0.23% −0.91 PSIX Power Solutions Internationa Sold out 0.00% −0.68 AMD Advanced Micro Devices Sold out 0.00% −0.52 SMH Vaneck Semiconductor ETF Sold out 0.00% −0.27 INTC Intel Corp. Sold out 0.00% −0.23 ASML ASML Holding NV-NY Reg SHS Sold out 0.00% −0.16 GLW Corning Inc. Sold out 0.00% −0.02 NVDA Nvidia Corp. Sold out 0.00% −0.01
Portfolio Buys Q1 2026 → Q2 2026 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
Stock Change vs Q1 2026 % Of Portfolio Change To Portfolio ▼ MU Micron Technology Inc. Add +27712.4% 27.64% +27.48 SNDK Sandisk Corp. Add +118.9% 28.13% +9.34 NBIS Nebius Group NV New 6.11% +6.11 TSM Taiwan Semiconductor-SP ADR Add +11713.9% 6.27% +6.08 STM Stmicroelectronics NV-NY SHS New 2.90% +2.90 SHAZ Sharonai Holdings Inc. Add +577.8% 2.27% +1.80 VSH Vishay Intertechnology Inc. New 0.10% +0.10 CBRS Cerebras Systems Inc. Class A New 0.01% +0.01 HIVE Hive Digital Technologies LT Add +169.3% 0.16% −0.00 PUMP Propetro Holding Corp. Add +115.4% 0.14% −0.20 KEEL Keel Infrastructure Corp. Add +33.1% 0.75% −0.25 BW Babcock & Wilcox Enterpr Add +49.8% 0.14% −0.37 SEI Solaris Energy Infrastructur Add +2.2% 0.45% −1.17 RIOT Riot Platforms Inc. Add +48.7% 2.32% −1.37 APLD Applied Digital Corp. Add +14.1% 2.33% −5.97 CRWV Coreweave Inc. Class A Add +4.2% 3.69% −10.73
Options Activity Q1 2026 → Q2 2026 Security Type Change vs Q1 2026 Underlying Shares Value ▼ SMH Vaneck Semiconductor ETF put Sold out 5,327,900 $2.0Bbefore exit NVDA Nvidia Corp. put Sold out 8,992,300 $1.6Bbefore exit ORCL Oracle Corp. put Sold out 7,293,000 $1.1Bbefore exit AVGO Broadcom Inc. put Sold out 3,251,100 $1.0Bbefore exit AMD Advanced Micro Devices put Sold out 4,764,100 $969.2Mbefore exit MU Micron Technology Inc. put Sold out 1,727,700 $583.7Mbefore exit TSM Taiwan Semiconductor-SP ADR put Sold out 1,583,400 $535.1Mbefore exit ASML ASML Holding NV-NY Reg SHS put Sold out 374,100 $494.1Mbefore exit MU Micron Technology Inc. call Sold out 1,250,000 $422.3Mbefore exit SNDK Sandisk Corp. call Sold out 611,900 $388.8Mbefore exit INTC Intel Corp. put Sold out 3,605,400 $159.1Mbefore exit CRWV Coreweave Inc. Class A call Sold out 1,814,500 $140.6Mbefore exit BE Bloom Energy Corp. Class A call Reduce -64.3% 145,800 $44.1M TSM Taiwan Semiconductor-SP ADR call Reduce -95.2% 50,000 $23.9M GLW Corning Inc. put Sold out 154,600 $21.0Mbefore exit
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings Quarter Positions 13F Reported Value Top Holdings Q2 2026 23 $20.2B SNDK, MU, BE, TSM, NBIS Q1 2026 26 $3.9B BE, SNDK, CRWV, IREN, CORZ Q4 2025 24 $3.9B BE, LITE, CRWV, CORZ, IREN Q3 2025 19 $2.2B CRWV, CORZ, IREN, VST, APLD Q2 2025 7 $1.1B AVGO, VST, CORZ, EQT, CEG Q1 2025 11 $546.0M AVGO, ONTO, VST, MOD, EQT Q4 2024 6 $254.8M MRVL, VST, VRT, TLN, CEG