Institutional Manager · CIK 0000924171
OAKMONT Corp
Los Angeles, CA · File #028-04326
Latest AUM
$578.1M
Positions
31
Top-10 Concentration
91.2%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | CHIPOTLE MEXICAN GRILL INC | 169656105 | -539,713 | -$21.2M | $0 |
| NEW | COSTCO WHOLESALE CORP | 22160K105 | +22,135 | +$19.1M | $0 |
| ADD | FAIR ISAAC CORP | FICO | +974 | +$1.6M | +$4.5M |
| ADD | AMAZON.COM INC | AMZN | +6,677 | +$1.5M | +$4.3M |
| ADD | APPLE INC | AAPL | +4,828 | +$1.3M | +$3.3M |
| ADD | MICROSOFT CORP | MSFT | +2,354 | +$1.1M | -$5.8M |
| EXITED | LIBERTY ENERGY INC | 53115L104 | -92,000 | -$1.1M | $0 |
| ADD | S&P GLOBAL INC | SPGI | +1,932 | +$1.0M | +$2.9M |
| ADD | SPDR S&P 500 ETF TR | SPY | +1,415 | +$964,917 | +$815,741 |
| REDUCE | NVIDIA CORPORATION | NVDA | -4,509 | -$840,929 | -$21,324 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202531 pos · $578.1M
- 13F HOLDINGS REPORTQ/E Sep 202530 pos · $559.5M
- 13F HOLDINGS REPORTQ/E Jun 202530 pos · $570.9M
- 13F HOLDINGS REPORTQ/E Mar 202531 pos · $506.9M
- 13F HOLDINGS REPORTQ/E Dec 202428 pos · $571.9M
- 13F HOLDINGS REPORTQ/E Sep 202432 pos · $520.0M
- 13F HOLDINGS REPORTQ/E Jun 202432 pos · $454.6M
- 13F HOLDINGS REPORTQ/E Mar 202432 pos · $408.6M
- 13F HOLDINGS REPORTQ/E Dec 202336 pos · $349.8M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | AMAZON.COM INC | AMZN | 386,395 | $89.2M | 15.43% |
| 2 | MICROSOFT CORP | MSFT | 171,100 | $82.7M | 14.31% |
| 3 | MASTERCARD INCORPORATED | MA | 122,179 | $69.7M | 12.07% |
| 4 | APPLE INC | AAPL | 194,926 | $53.0M | 9.17% |
| 5 | NVIDIA CORPORATION | NVDA | 262,051 | $48.9M | 8.45% |
| 6 | S&P GLOBAL INC | SPGI | 81,425 | $42.6M | 7.36% |
| 7 | FAIR ISAAC CORP | FICO | 24,267 | $41.0M | 7.10% |
| 8 | SPDR S&P 500 ETF TR | SPY | 53,241 | $36.3M | 6.28% |
| 9 | TRANSDIGM GROUP INC | TDG | 25,810 | $34.3M | 5.94% |
| 10 | WASTE CONNECTIONS INC | WCN | 166,458 | $29.2M | 5.05% |
| 11 | WALMART INC | WMT | 252,487 | $28.1M | 4.87% |
| 12 | COSTCO WHOLESALE CORP | 22160K105 | 22,135 | $19.1M | 3.30% |
| 13 | BLACKSKY TECHNOLOGY INC | BKSY-WT | 59,809 | $1.1M | 0.19% |
| 14 | ALPHABET INC- CL C | GOOG | 1,884 | $591,199 | 0.10% |
| 15 | ALPHABET INC- CL A | GOOG | 1,886 | $590,318 | 0.10% |
| 16 | HOME DEPOT INC | HD | 1,032 | $355,111 | 0.06% |
| 17 | RTX CORPORATION | RTX | 1,410 | $258,594 | 0.04% |
| 18 | INTERNATIONAL BUSINESS MACHS | INTR | 677 | $200,534 | 0.03% |
| 19 | AFLAC INC | AFL | 1,459 | $160,884 | 0.03% |
| 20 | INTEL CORP | INTC | 2,258 | $83,320 | 0.01% |