OAKMONT Corp
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 7, 2025), OAKMONT Corp reported 30 stock positions worth $559.5 million. Its top holding was Microsoft (MSFT) at 15.6% of the portfolio, followed by Amazon.com (AMZN, 14.9%) and Mastercard Class A (MA, 12.3%). Compared with Q2 2025, it added to 3 and reduced 10. The biggest buy was Waste Connections (WCN, shares +164%) and the biggest sale Microsoft (MSFT, shares −20%).
- Most Recent 13F
- Q2 2026
- Location
- Los Angeles, CA
- CIK
- 0000924171
- Portfolio Value
- $559.5M (Q3 2025)
- SEC Filing
- 0001081198-25-000021 ↗ filed Nov 7, 2025
Holdings Value
Holdings 30 stocks · $559.5M
| MSFT Microsoft Corp. | 15.62% | 168,746 | $87.4M | Reduce -20.3% |
| AMZN Amazon.com Inc. | 14.90% | 379,718 | $83.4M | Reduce -7.4% |
| MA Mastercard Inc. Class A | 12.34% | 121,403 | $69.1M | Reduce -1.6% |
| NVDA Nvidia Corp. | 8.89% | 266,560 | $49.7M | Reduce -28.2% |
| AAPL Apple Inc. | 8.65% | 190,098 | $48.4M | Reduce -1.8% |
| SPGI S&P Global Inc. | 6.92% | 79,493 | $38.7M | Reduce -1.6% |
| FICO Fair Isaac Corp. | 6.23% | 23,293 | $34.9M | Reduce -1.7% |
| SPY SS SPDR S&P 500 ETF Trust-US | 6.17% | 51,826 | $34.5M | Reduce -1.6% |
| TDG Transdigm Group Inc. | 5.94% | 25,230 | $33.3M | Add +26.8% |
| WCN Waste Connections Inc. | 5.11% | 162,684 | $28.6M | Add +163.9% |
| WMT Walmart Inc. | 4.55% | 246,867 | $25.4M | Add +123.6% |
| CMG Chipotle Mexican Grill Inc. | 3.78% | 539,713 | $21.2M | Reduce -5.3% |
| BKSY Blacksky Technology Inc. | 0.26% | 73,239 | $1.5M | Reduce -12.0% |
| LBRT Liberty Energy Inc. | 0.20% | 92,000 | $1.1M | No change |
| GOOG Alphabet Inc. Class C | 0.08% | 1,884 | $459K | No change |
| GOOGL Alphabet Inc. Class A | 0.08% | 1,886 | $458K | No change |
| HD Home Depot Inc. | 0.07% | 1,032 | $418K | No change |
| RTX RTX Corp. | 0.04% | 1,410 | $236K | No change |
| AFL Aflac Inc. | 0.03% | 1,459 | $163K | No change |
| CARR Carrier Global Corp. | 0.02% | 1,413 | $84K | No change |
| DE Deere & Co. | 0.01% | 176 | $80K | No change |
| INTC Intel Corp. | 0.01% | 2,258 | $76K | No change |
| BAC Bank of America Corp. filed as BANK AMERICA CORP | 0.01% | 1,455 | $75K | No change |
| CB Chubb Ltd. | 0.01% | 240 | $68K | No change |
| OTIS Otis Worldwide Corp. | 0.01% | 705 | $64K | No change |
| AMGN Amgen Inc. | 0.01% | 198 | $56K | No change |
| UNP Union Pacific Corp. | 0.01% | 180 | $43K | No change |
| SYK Stryker Corp. | 0.01% | 100 | $37K | No change |
| NSC Norfolk Southern Corp. | 0.01% | 110 | $33K | No change |
| CMI Cummins Inc. | 0.00% | 65 | $27K | No change |
Portfolio Sells Q2 2025 → Q3 2025
| MSFT Microsoft Corp. | Reduce -20.3% | 15.62% | −2.83 |
| CMG Chipotle Mexican Grill Inc. | Reduce -5.3% | 3.78% | −1.83 |
| NVDA Nvidia Corp. | Reduce -28.2% | 8.89% | −1.39 |
| FICO Fair Isaac Corp. | Reduce -1.7% | 6.23% | −1.36 |
| AMZN Amazon.com Inc. | Reduce -7.4% | 14.90% | −0.85 |
| SPGI S&P Global Inc. | Reduce -1.6% | 6.92% | −0.55 |
| BKSY Blacksky Technology Inc. | Reduce -12.0% | 0.26% | −0.04 |
| MA Mastercard Inc. Class A | Reduce -1.6% | 12.34% | +0.19 |
| SPY SS SPDR S&P 500 ETF Trust-US | Reduce -1.6% | 6.17% | +0.47 |
| AAPL Apple Inc. | Reduce -1.8% | 8.65% | +1.70 |
Portfolio Buys Q2 2025 → Q3 2025
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 31 | $502.5M | AMZN, MSFT, MA, AAPL, NVDA |
| Q1 2026 | 31 | $526.5M | AMZN, MSFT, MA, AAPL, NVDA |
| Q4 2025 | 31 | $578.1M | AMZN, MSFT, MA, AAPL, NVDA |
| Q3 2025 | 30 | $559.5M | MSFT, AMZN, MA, NVDA, AAPL |
| Q2 2025 | 30 | $570.9M | MSFT, AMZN, MA, NVDA, FICO |
| Q1 2025 | 31 | $506.9M | MSFT, AMZN, MA, NVDA, FICO |
| Q4 2024 | 28 | $571.9M | MSFT, AMZN, NVDA, MA, AAPL |
| Q3 2024 | 32 | $520.0M | MSFT, AMZN, NVDA, MA, FICO |
| Q2 2024 | 32 | $454.6M | MSFT, AMZN, NVDA, AAPL, MA |
| Q1 2024 | 32 | $408.6M | MSFT, AMZN, MA, NVDA, AAPL |