13F Filings History of United American Securities Inc. (d/b/a UAS Asset Management)
- Latest 13F filing
- Q2 2026 - 14 Aug 2026
- Latest reported 13F value
- $464,085,212
- Largest 13F holdings
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BRKB AMZN GOOGL TSM COST NVDA AAPL MSFT META SPCX LLY BRKA
+1 more
ABNB - Form 13F summary
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- United American Securities Inc. (d/b/a UAS Asset Management) Form 13F history summarizes parsed U.S.-listed equity disclosures for this manager.
- Form 13F is generally due within 45 days after each calendar quarter ends.
- United American Securities Inc. (d/b/a UAS Asset Management) reported 13 equity holdings with a total reported market value of $464,085,212 for Q2 2026. Top reported holdings included BRKB, AMZN, GOOGL, TSM, and COST.
- Manager signature
- Cyrus Mossavar-Rahmani - CCO
- Manager location
- New York, NY
13F snapshot
Latest parsed holdings, value, and filing-period context.
1 signal
Manager
Names, identifiers, and filing context for this profile.
2 identity fields
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Holdings Value
Form 13F evidence
Quarterly portfolio filings
SEC-reported 13F quarters for this filer, ordered by the latest accepted filing.
Latest quarter
Q2 2026
Latest value
$464,085,212
Quarter delta
+$5,753,186
Accepted
14 Aug 2026, 11:50
Rows shown
1-25 of 52
| Quarter | Holdings | SEC-reported value | Bought | Sold | Net | Top Holdings | Form Type | Accepted by SEC |
|---|---|---|---|---|---|---|---|---|
| Q2 2026 | 13 | $464,085,212 | +$45,914,457 | -$82,941,720 | -$37,027,263 | BRKB, AMZN, GOOGL, TSM, COST | 13F-HR | 14 Aug 2026, 11:50 |
| Q1 2026 | 11 | $458,332,026 | +$52,853,292 | -$39,616,800 | +$13,236,492 | BRKB, AMZN, GOOGL, MSFT, META | 13F-HR | 13 May 2026, 18:56 |
| Q4 2025 | 16 | $474,169,524 | +$38,609,483 | -$43,566,257 | -$4,956,774 | BRKB, AMZN, MSFT, GOOGL, COST | 13F-HR | 17 Feb 2026, 10:00 |
| Q3 2025 | 14 | $472,574,203 | +$49,320,135 | -$56,212,278 | -$6,892,143 | BRKB, AMZN, MSFT, GOOGL, COST | 13F-HR | 12 Nov 2025, 15:09 |
| Q2 2025 | 15 | $463,483,227 | +$48,066,939 | -$25,473,049 | +$22,593,890 | BRKB, AMZN, MSFT, COST, META | 13F-HR | 13 Aug 2025, 15:32 |
| Q1 2025 | 11 | $415,717,948 | +$31,355,992 | -$37,180,896 | -$5,824,904 | BRKB, AMZN, MSFT, COST, META | 13F-HR | 15 May 2025, 13:30 |
| Q4 2024 | 15 | $414,717,008 | +$33,844,887 | -$44,355,522 | -$10,510,635 | BRKB, AMZN, MSFT, COST, META | 13F-HR | 14 Feb 2025, 11:06 |
| Q3 2024 | 11 | $411,770,193 | +$23,305,184 | -$46,453,471 | -$23,148,287 | BRKB, MSFT, AMZN, COST, META | Restatement | 14 Feb 2025, 11:42 |
| Q2 2024 | 17 | $417,515,753 | +$55,113,800 | -$27,027,935 | +$28,085,865 | BRKB, MSFT, AMZN, COST, META | 13F-HR | 08 Aug 2024, 14:53 |
| Q1 2024 | 15 | $374,147,004 | +$26,779,771 | -$68,972,171 | -$42,192,400 | BRKB, MSFT, AMZN, COST, AAPL | 13F-HR | 10 May 2024, 15:50 |
| Q4 2023 | 20 | $393,543,038 | +$48,923,974 | -$11,669,323 | +$37,254,651 | BRKB, MSFT, TSLA, AMZN, AAPL | 13F-HR | 14 Feb 2024, 12:42 |
| Q3 2023 | 12 | $327,056,078 | +$32,956,160 | -$49,299,687 | -$16,343,527 | BRKB, MSFT, TSLA, AMZN, AAPL | 13F-HR | 14 Nov 2023, 09:58 |
| Q2 2023 | 16 | $349,394,895 | +$83,072,952 | -$57,363,460 | +$25,709,492 | BRKB, MSFT, AMZN, AAPL, TSLA | 13F-HR | 14 Aug 2023, 15:16 |
| Q1 2023 | 20 | $293,407,887 | +$60,499,245 | -$67,283,870 | -$6,784,625 | BRKB, MSFT, CVX, AAPL, COST | Restatement | 14 Aug 2023, 16:09 |
| Q1 2023 | 20 | $291,791,689 | +$59,444,324 | -$67,845,148 | -$8,400,824 | BRKB, MSFT, CVX, AAPL, COST | Restatement | 15 May 2023, 14:57 |
| Q4 2022 | 20 | $282,058,140 | +$62,019,501 | -$80,590,215 | -$18,570,714 | BRKB, MSFT, AAPL, UNH, HD | Restatement | 15 Aug 2023, 16:09 |
| Q3 2022 | 12 | $316,548,000 | +$43,166,551 | -$65,382,778 | -$22,216,227 | BRKB, AMZN, MSFT, AAPL, TSLA | Restatement | 15 Aug 2023, 16:15 |
| Q2 2022 | 20 | $346,719,000 | +$134,125,661 | -$57,225,478 | +$76,900,183 | BRKB, AMZN, MSFT, AAPL, GOOGL | Restatement | 15 Aug 2023, 16:19 |
| Q1 2022 | 14 | $450,896,000 | +$45,005,866 | -$52,273,173 | -$7,267,307 | BRKB, AMZN, AAPL, MSFT, COST | 13F-HR | 16 May 2022, 15:06 |
| Q4 2021 | 19 | $451,138,000 | +$59,552,729 | -$39,260,956 | +$20,291,773 | BRKB, MSFT, AAPL, AMZN, GOOGL | 13F-HR | 14 Feb 2022, 16:10 |
| Q3 2021 | 18 | $383,101,000 | +$26,917,492 | -$52,075,581 | -$25,158,089 | BRKB, MSFT, AMZN, AAPL, ZI | 13F-HR | 12 Nov 2021, 15:23 |
| Q2 2021 | 28 | $407,794,000 | +$43,229,022 | -$30,217,784 | +$13,011,238 | BRKB, AMZN, MSFT, AAPL, MA | 13F-HR | 16 Aug 2021, 13:21 |
| Q1 2021 | 16 | $360,792,000 | +$58,333,170 | -$52,466,638 | +$5,866,532 | BRKB, AMZN, MSFT, AAPL, MA | 13F-HR | 14 May 2021, 14:49 |
| Q4 2020 | 24 | $354,384,000 | +$28,013,858 | -$42,069,471 | -$14,055,613 | BRKB, AAPL, AMZN, MSFT, MA | 13F-HR | 16 Feb 2021, 17:40 |
| Q3 2020 | 27 | $327,264,000 | +$93,648,527 | -$35,551,949 | +$58,096,578 | BRKB, AAPL, AMZN, MSFT, MA | 13F-HR | 16 Nov 2020, 11:25 |