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Super Investors OAKMONT Corp
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OAKMONT Corp

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$503M
Positions
31
Quarter ended
June 30, 2026
Filed
August 07, 2026

Reported portfolio value by quarter (53 quarters reported)

$1.33B $338M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q2 26

$338M in Q2 2013 → $503M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Amazon.com Inc 16.6% Trimmed 11% 349,766 $83.4M
Microsoft Corp 11.7% Trimmed 11% 157,940 $58.9M
Mastercard Incorporated 11.3% Trimmed 11% 110,708 $56.9M
Apple Inc 10.1% Trimmed 12% 175,641 $50.8M
Nvidia Corporation 10.1% Trimmed 11% 252,439 $50.5M
SS SPDR S&P 500 ETF Tr 7.6% Trimmed 9.8% 51,157 $38.2M
Transdigm Group Inc 6.2% Trimmed 12% 23,261 $31M
S&P Global Inc 6.1% Trimmed 11% 74,881 $30.5M
Fair Isaac Corp 5.3% Trimmed 11% 22,338 $26.7M
Walmart Inc 5.2% Trimmed 11% 229,107 $25.9M
Waste Connections Inc 5.0% Trimmed 11% 150,643 $25.1M
Costco Wholesale Corp 3.8% Trimmed 11% 20,158 $18.9M
Blacksky Technology Inc 0.3% Unchanged 53,239 $1.49M
TC Trulieve Cannabis Corp 0.2% New 1,506,511 $1.05M
AI Alphabet Inc- Cl A 0.1% Unchanged 1,886 $674K
AI Alphabet Inc- Cl C 0.1% Unchanged 1,884 $666K
Home Depot Inc 0.1% Unchanged 1,032 $364K
Intel Corp 0.1% Unchanged 2,258 $315K
Rtx Corporation 0.1% Unchanged 1,410 $268K
Aflac Inc 0.0% Unchanged 1,459 $171K
Deere & Co 0.0% Unchanged 176 $112K
Carrier Global Corporation 0.0% Unchanged 1,413 $104K
IB International Business Machs 0.0% Trimmed 52% 327 $92K
BA Bank America Corp 0.0% Unchanged 1,455 $82.9K
Chubb Limited 0.0% Unchanged 240 $81.8K
Amgen Inc 0.0% Unchanged 198 $71.7K
Otis Worldwide Corp 0.0% Unchanged 705 $50.5K
UP Union Pac Corp 0.0% Unchanged 180 $49K
Cummins Inc 0.0% Unchanged 65 $46.4K
NS Norfolk South Corp 0.0% Unchanged 110 $34.6K
Stryker Corporation 0.0% Unchanged 100 $31.5K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 07, 2026

Company Action Shares changed Value of change % of portfolio
Amazon.com Inc Trimmed −44,552 −$10.6M 16.6%
Microsoft Corp Trimmed −19,957 −$7.44M 11.7%
Mastercard Incorporated Trimmed −13,959 −$7.17M 11.3%
Apple Inc Trimmed −22,970 −$6.65M 10.1%
Nvidia Corporation Trimmed −32,310 −$6.46M 10.1%
SS SPDR S&P 500 ETF Tr Trimmed −5,568 −$4.16M 7.6%
Transdigm Group Inc Trimmed −3,028 −$4.03M 6.2%
S&P Global Inc Trimmed −9,156 −$3.73M 6.1%
Fair Isaac Corp Trimmed −2,799 −$3.34M 5.3%
Walmart Inc Trimmed −28,512 −$3.23M 5.2%

Showing the 10 largest of 15 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 12, 2026

Company Action Shares changed Value of change % of portfolio
Nvidia Corporation Added +22,698 +$3.96M 9.4%
Microsoft Corp Added +6,797 +$2.52M 12.5%
SS SPDR S&P 500 ETF Tr Added +3,484 +$2.27M 7.0%
Amazon.com Inc Added +7,923 +$1.65M 15.6%
Blacksky Technology Inc New +53,239 +$1.34M 0.3%
Mastercard Incorporated Added +2,488 +$1.24M 11.8%
Blacksky Technology Inc Exited −59,809 −$1.12M —
S&P Global Inc Added +2,612 +$1.11M 6.8%
Apple Inc Added +3,685 +$935K 9.6%
Fair Isaac Corp Added +870 +$929K 5.1%

Showing the 10 largest of 16 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 20, 2026

Company Action Shares changed Value of change % of portfolio
Chipotle Mexican Grill Inc Exited −539,713 −$21.2M —
Costco Wholesale Corp New +22,135 +$19.1M 3.3%
Fair Isaac Corp Added +974 +$1.65M 7.1%
Amazon.com Inc Added +6,677 +$1.54M 15.4%
Apple Inc Added +4,828 +$1.31M 9.2%
Microsoft Corp Added +2,354 +$1.14M 14.3%
Liberty Energy Inc Exited −92,000 −$1.14M —
S&P Global Inc Added +1,932 +$1.01M 7.4%
SS SPDR S&P 500 ETF Tr Added +1,415 +$965K 6.3%
Nvidia Corporation Trimmed −4,509 −$841K 8.5%

Showing the 10 largest of 17 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 07, 2025

Company Action Shares changed Value of change % of portfolio
Microsoft Corp Trimmed −43,059 −$22.3M 15.6%
Nvidia Corporation Trimmed −104,784 −$19.6M 8.9%
Waste Connections Inc Added +101,043 +$17.8M 5.1%
Walmart Inc Added +136,470 +$14.1M 4.5%
Transdigm Group Inc Added +5,326 +$7.02M 5.9%
Amazon.com Inc Trimmed −30,165 −$6.62M 14.9%
Chipotle Mexican Grill Inc Trimmed −30,358 −$1.19M 3.8%
Mastercard Incorporated Trimmed −2,042 −$1.16M 12.3%
Apple Inc Trimmed −3,461 −$881K 8.7%
S&P Global Inc Trimmed −1,328 −$646K 6.9%

Showing the 10 largest of 13 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 17, 2025

Company Action Shares changed Value of change % of portfolio
Nvidia Corporation Trimmed −104,935 −$16.6M 10.3%
Waste Connections Inc New +61,641 +$11.5M 2.0%
Centessa Pharmaceuticals Exited −92,064 −$1.32M —
Tectonic Therapeutic Inc Exited −25,115 −$445K —
Microsoft Corp Trimmed −789 −$392K 18.5%
Chipotle Mexican Grill Inc Added +6,706 +$377K 5.6%
Amazon.com Inc Trimmed −1,657 −$364K 15.8%
Mastercard Incorporated Trimmed −416 −$234K 12.2%
Fair Isaac Corp Trimmed −87 −$159K 7.6%
S&P Global Inc Trimmed −295 −$156K 7.5%

Showing the 10 largest of 14 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
Nvidia Corporation Trimmed −115,910 −$12.6M 10.2%
Microsoft Corp Trimmed −31,088 −$11.7M 15.7%
Walmart Inc New +110,795 +$9.73M 1.9%
Centessa Pharmaceuticals New +92,064 +$1.32M 0.3%
Chipotle Mexican Grill Inc Trimmed −12,406 −$623K 5.6%
Amazon.com Inc Trimmed −2,444 −$465K 15.4%
Tectonic Therapeutic Inc New +25,115 +$445K 0.1%
Mastercard Incorporated Trimmed −721 −$395K 13.4%
Fair Isaac Corp Trimmed −140 −$258K 8.7%
Apple Inc Trimmed −1,107 −$246K 8.5%

Showing the 10 largest of 13 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 12, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr New +53,101 +$31.1M 5.4%
Fair Isaac Corp Trimmed −4,094 −$8.15M 8.3%
Broadcom Inc Exited −42,270 −$7.14M —
Mastercard Incorporated Added +13,350 +$7.03M 11.5%
Microsoft Corp Added +16,075 +$6.78M 18.0%
Meta Platforms Inc Exited −11,571 −$6.56M —
CD Cadence Design System Inc Exited −22,920 −$6.47M —
Apple Inc Added +23,692 +$5.93M 8.6%
Transdigm Group Inc Added +4,421 +$5.6M 4.5%
Tyler Technologies Inc Exited −6,865 −$4.14M —

Showing the 10 largest of 15 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
Fair Isaac Corp Added +18,837 +$37.5M 10.7%
Apple Inc Trimmed −120,459 −$26.9M 7.4%
Transdigm Group Inc New +15,665 +$20.4M 3.9%
Chipotle Mexican Grill Inc Added +315,243 +$18.5M 5.8%
S&P Global Inc Added +32,336 +$15.6M 7.3%
Mastercard Incorporated Trimmed −23,911 −$12.1M 10.9%
Microsoft Corp Added +17,194 +$7.06M 18.0%
Broadcom Inc Added +37,077 +$6.26M 1.4%
CD Cadence Design System Inc Trimmed −20,470 −$5.77M 1.2%
Amazon.com Inc Trimmed −25,542 −$5.06M 15.4%

Showing the 10 largest of 13 changes.

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