Situational Awareness LP · Q2 2026 13F · SEC CIK 2045724
Leopold Aschenbrenner portfolio
Hedge fundSituational Awareness LP 13F holdings. Filed 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $20.2B
- Reported positions
- 23
- Holdings vs S&P 500, 3 yrs
- —
- Assets under management
- $9.3B
Leopold Aschenbrenner is the founder of Situational Awareness LP, which reported 23 positions worth $20.2B in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Sandisk Corp (SNDK, 28.1%), Micron Technology Inc (MU, 27.6%), Bloom Energy Corp (BE, 9.4%).
Leopold Aschenbrenner holdings all 23 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| SNDKSandisk Corp | 28.1% | +118.9% | $5.7B |
| MUMicron Technology Inc | 27.6% | +27712.4% | $5.6B |
| BEBloom Energy Corp | 9.4% | -3.3% | $1.9B |
| TSMTaiwan Semiconductor Manufac | 6.3% | +11713.9% | $1.3B |
| NBISNebius Group N.v. | 6.1% | — | $1.2B |
| CRWVCoreweave Inc | 3.7% | +4.2% | $744.5M |
| CORZCore Scientific Inc New | 3.3% | +0.0% | $665.6M |
| STMStmicroelectronics N V Ny Registry | 2.9% | — | $584.3M |
| APLDApplied Digital Corp | 2.3% | +14.1% | $469.0M |
| RIOTRiot Platforms Inc | 2.3% | +48.7% | $468.2M |
| SHAZSharonai Holdings Inc | 2.3% | +577.8% | $456.8M |
| IRENIren Limited | 2.1% | -19.0% | $433.3M |
| CLSKCleanspark Inc Com New | 0.9% | +0.0% | $178.6M |
| KEELKeel Infrastructure Corp | 0.8% | — | $151.8M |
| SOISolaris Energy Infrastructure Inc | 0.5% | +2.2% | $90.9M |
| WYFIWhitefiber Inc | 0.3% | +0.0% | $68.3M |
| BTDRBitdeer Technologies Group | 0.3% | +0.0% | $54.6M |
| TET1 Energy Inc | 0.2% | -51.0% | $46.5M |
| HIVEHive Digital Technologies Ltd | 0.2% | +169.3% | $33.2M |
| BWBabcock & Wilcox Enterprises | 0.1% | +49.7% | $28.6M |
| PUMPPropetro Hldg Corp | 0.1% | +115.4% | $28.1M |
| VSHVishay Intertechnology Inc | 0.1% | — | $20.2M |
| CBRSCerebras Systems Inc | 0.0% | — | $2.2M |
What Leopold Aschenbrenner bought and sold in Q2 2026, against Q1 2026.
New positions
- NBIS Nebius Group N.v.6.1% of 13F
- STM Stmicroelectronics N V Ny Registry2.9% of 13F
- KEEL Keel Infrastructure Corp0.8% of 13F
- VSH Vishay Intertechnology Inc0.1% of 13F
- CBRS Cerebras Systems Inc0.0% of 13F
Added to
- MU Micron Technology Inc+27712.4% shares
- TSM Taiwan Semiconductor Manufac+11713.9% shares
- SHAZ Sharonai Holdings Inc+577.8% shares
- HIVE Hive Digital Technologies Ltd+169.3% shares
- SNDK Sandisk Corp+118.9% shares
- PUMP Propetro Hldg Corp+115.4% shares
- BW Babcock & Wilcox Enterprises+49.7% shares
- RIOT Riot Platforms Inc+48.7% shares
Reduced
- TE T1 Energy Inc-51.0% shares
- IREN Iren Limited-19.0% shares
Sold out
- BITF Bitfarms Ltdwas 1.0%
- PSIX Power Solutions Intl Incwas 0.7%
- AMD Advanced Micro Devices Incwas 0.5%
- SMH Vaneck ETF Trustwas 0.3%
- INTC Intel Corpwas 0.2%
- ASML Asml Hldg NVwas 0.2%
- GLW Corning Incwas 0.0%
- NVDA Nvidia Corporationwas 0.0%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- +90.3% /yr
- S&P 500 +20.1%
- 3 years
- —
- 5 years
- —
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $20.2B | 23 |
| Q1 2026 | $3.9B | 26 |
| Q4 2025 | $3.9B | 24 |
| Q3 2025 | $2.2B | 19 |
| Q2 2025 | $1.1B | 7 |
| Q1 2025 | $546.0M | 11 |
| Q4 2024 | $254.8M | 6 |
Questions about Leopold Aschenbrenner's portfolio
Who is Leopold Aschenbrenner?
Leopold Aschenbrenner is the founder of Situational Awareness LP, a hedge fund that files its US stock holdings with the SEC on Form 13F under the name Situational Awareness LP.
What stocks does Leopold Aschenbrenner own?
Situational Awareness LP's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 23 positions worth $20.2B. The largest are Sandisk Corp (SNDK) at 28.1%, Micron Technology Inc (MU) at 27.6%, Bloom Energy Corp (BE) at 9.4%, Taiwan Semiconductor Manufac (TSM) at 6.3% and Nebius Group N.v. (NBIS) at 6.1%.
What did Leopold Aschenbrenner buy last quarter?
In Q2 2026, Situational Awareness LP added a new position in Nebius Group N.v. (NBIS), a new position in Stmicroelectronics N V Ny Registry (STM), a new position in Keel Infrastructure Corp (KEEL), a new position in Vishay Intertechnology Inc (VSH), a new position in Cerebras Systems Inc (CBRS), Micron Technology Inc (MU) (+27712.4% shares), Taiwan Semiconductor Manufac (TSM) (+11713.9% shares) and Sharonai Holdings Inc (SHAZ) (+577.8% shares), compared with its Q1 2026 filing.
What did Leopold Aschenbrenner sell last quarter?
In Q2 2026, Situational Awareness LP sold all of Bitfarms Ltd (BITF), sold all of Power Solutions Intl Inc (PSIX), sold all of Advanced Micro Devices Inc (AMD), sold all of Vaneck ETF Trust (SMH), sold all of Intel Corp (INTC), T1 Energy Inc (TE) (-51.0% shares) and Iren Limited (IREN) (-19.0% shares), compared with its Q1 2026 filing.
When is Situational Awareness LP's next 13F filing due?
13F filings are due 45 days after each quarter ends. Situational Awareness LP's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does Situational Awareness LP manage?
Situational Awareness LP reported $9.3B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $20.2B.