CIK: 0000861177
Total reported value
$550.1B
Reporting period: 2026-06-30 · Number of holdings: 19065
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC disclosed 19065 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $550.1B and a quarterly turnover rate of 26.8%.
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UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC's disclosed holdings carry a Herfindahl concentration index of 0.016 — mathematically equivalent to about 62 equally-sized positions, well below its 19065 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 7.69), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
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Add MU
-7.3% $7.0B
Add AMD
-8.6% $6.3B
Add INTC
-12.4% $4.1B
Trim MSFT
+0.9% $384.5M
Add AMAT
-5.8% $3.4B
Add LRCX
-6.8% $2.6B
UBS AM's latest 13F (period ended June 30, 2026) shows a decisively trim-heavy quarter across its largest position changes: seven of the eight biggest moves — Micron, AMD, Nvidia, Intel, Applied Materials, Apple and Alphabet — were share-count reductions, with Broadcom (2.51%→2.76%) the sole addition. Strikingly, Micron, AMD and Intel all gained weight despite the cuts (to 1.87%, 1.85% and 1.17%), indicating price appreciation outran the selling — a footprint consistent with harvesting gains into strength rather than capitulation. The filing does not disclose share-change magnitudes, so the size of each trim versus the pure price effect cannot be cleanly separated.
With Information Technology at 41.4% of the book and semiconductors drawing the densest trading activity, these flows appear to line up with the broader market pattern of capital crowding into large-cap tech and compute-linked names — though this remains an inference drawn from a single quarter of positioning data, not a confirmed causal claim.
The most specific vulnerability here is that price-driven weight expansion is outrunning the active de-risking: semiconductor positions the firm deliberately trimmed closed the quarter at roughly double their prior weights, leaving net exposure to the chip cycle elevated even after selling. Layered onto 41%-plus single-sector concentration and a modest 26.8% turnover ratio that shows little evidence of offsetting hedging, a broad multiple-compression episode in tech would transmit to the portfolio with very little damping.
This narrative is generated by AI from data disclosed in this institution's SEC EDGAR Form 13F filings and describes past holdings only. It is not a recommendation to buy or sell any security; the source filing is linked below. View the original 2026-06-30 Form 13F filing on SEC.gov
Showing top 200 holdings (of 19065 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | Stock-Tech | 7.07% | -0.14% | -2.31% | |
| 2 | AAPL | Apple Inc | Stock-Tech | 5.47% | -0.10% | -1.43% | |
| 3 | MSFT | Microsoft CORP | Stock-Tech | 4.37% | -0.54% | +0.85% | |
| 4 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 3.03% | -0.17% | -5.32% | |
| 5 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 2.90% | +0.20% | -1.12% | |
| 6 | AVGO | Broadcom Inc | Stock-Tech | 2.76% | +0.25% | +2.92% | |
| 7 | MU | Micron Technology Inc | Stock-Tech | 1.87% | +1.20% | -7.26% | |
| 8 | AMD | Advanced Micro Devices | Stock-Tech | 1.85% | +1.04% | -8.57% | |
| 9 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 1.85% | +0.03% | -5.66% | |
| 10 | LLY | Eli Lilly & Co | Stock-Healthcare | 1.57% | +0.22% | +1.94% | |
| 11 | TSLA | Tesla Inc | Stock-Consumer Disc | 1.49% | -0.04% | -1.10% | |
| 12 | META | Meta Platforms Inc-class A | Stock-Comm Services | 1.31% | -0.20% | +1.29% | |
| 13 | AMAT | Applied Materials Inc | Stock-Tech | 1.24% | +0.53% | -5.85% | |
| 14 | INTC | Intel CORP | Stock-Tech | 1.17% | +0.69% | -12.38% | |
| 15 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.12% | -0.02% | +0.72% | |
| 16 | LRCX | Lam Research CORP | Stock-Tech | 0.99% | +0.39% | -6.77% | |
| 17 | V | Visa Inc-class A Shares | Stock-Financials | 0.98% | +0.11% | +13.00% | |
| 18 | CSCO | Cisco Systems Inc | Stock-Tech | 0.93% | +0.25% | +2.70% | |
| 19 | JNJ | Johnson & Johnson | Stock-Healthcare | 0.85% | -0.15% | -6.17% | |
| 20 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 0.81% | -0.07% | +0.73% | |
| 21 | ABBV | Abbvie Inc | Stock-Healthcare | 0.65% | +0.01% | +0.75% | |
| 22 | MA | Mastercard Inc - A | Stock-Financials | 0.65% | -0.09% | -1.50% | |
| 23 | KLAC | Kla CORP | Stock-Tech | 0.64% | +0.30% | +954.89% | |
| 24 | CAT | Caterpillar Inc | Stock-Industrials | 0.61% | +0.13% | -3.49% | |
| 25 | HD | Home Depot Inc | Stock-Consumer Disc | 0.58% | -0.07% | -4.07% | |
| 26 | WMT | Walmart Inc | Stock-Consumer Staples | 0.56% | -0.14% | -0.23% | |
| 27 | WDC | Western Digital CORP | Stock-Tech | 0.55% | +0.39% | +63.44% | |
| 28 | PANW | Palo Alto Networks Inc | Stock-Tech | 0.54% | +0.27% | +8.75% | |
| 29 | KO | Coca-cola Co/the | Stock-Consumer Staples | 0.54% | -0.03% | +0.45% | |
| 30 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 0.52% | -0.08% | +5.53% | |
| 31 | MRVL | Marvell Technology Inc | Stock-Tech | 0.49% | +0.33% | +20.39% | |
| 32 | UNH | Unitedhealth Group Inc | Stock-Healthcare | 0.49% | +0.07% | -12.20% | |
| 33 | GE | General Electric | Stock-Industrials | 0.49% | +0.09% | +6.27% | |
| 34 | TXN | Texas Instruments Inc | Stock-Tech | 0.48% | +0.10% | -5.16% | |
| 35 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 0.46% | -0.09% | -6.06% | |
| 36 | MRK | Merck & Co. Inc. | Stock-Healthcare | 0.46% | -0.05% | -4.25% | |
| 37 | BAC | Bank Of America CORP | Stock-Financials | 0.45% | -0.02% | -6.36% | |
| 38 | GS | Goldman Sachs Group Inc | Stock-Financials | 0.43% | -0.02% | -7.58% | |
| 39 | MS | Morgan Stanley | Stock-Financials | 0.43% | +0.05% | +1.71% | |
| 40 | ADI | Analog Devices Inc | Stock-Tech | 0.42% | -0.02% | -12.27% | |
| 41 | NFLX | Netflix Inc | Stock-Comm Services | 0.40% | -0.28% | -7.90% | |
| 42 | ORCL | Oracle CORP | Stock-Tech | 0.39% | -0.06% | +0.85% | |
| 43 | IBM | Intl Business Machines CORP | Stock-Tech | 0.39% | +0.01% | +0.71% | |
| 44 | GEV | GE Vernova Inc | Stock-Industrials | 0.39% | +0.06% | -1.81% | |
| 45 | PLD | Prologis Inc | Stock-Real Estate | 0.36% | -0.03% | +4.38% | |
| 46 | AMGN | Amgen Inc | Stock-Healthcare | 0.35% | — | +12.66% | |
| 47 | TSM | Taiwan Semiconductor-sp Adr | Stock-Tech | 0.35% | +0.06% | -1.66% | |
| 48 | TJX | Tjx Companies Inc | Stock-Consumer Disc | 0.35% | -0.04% | +7.56% | |
| 49 | QCOM | Qualcomm Inc | Stock-Tech | 0.34% | +0.02% | -16.76% | |
| 50 | WELL | Welltower Inc | Stock-Real Estate | 0.33% | -0.01% | -2.72% |
Performance for Q3 2026
+2.6%
Performance Last 4 Quarters
+22.1%
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 19065 | $550.1B | 27 | ||
| 2026 Q1 | 19242 | $481.0B | 18 | ||
| 2025 Q4 | 18619 | $473.0B | 14 | ||
| 2025 Q3 | 17325 | $460.5B | 35 | ||
| 2025 Q2 | 20124 | $494.0B | 0 | ||
| 2025 Q1 | 20404 | $390.5B | 100 | ||
| 2024 Q4 | 19260 | $428.8B | 0 | ||
| 2024 Q3 | 19362 | $389.3B | 0 | ||
| 2024 Q2 | 20308 | $348.6B | 0 | ||
| 2024 Q1 | 16251 | $281.3B | 0 | ||
| 2023 Q4 | 16407 | $254.2B | 0 | ||
| 2023 Q3 | 16687 | $223.2B | 0 | ||
| 2023 Q2 | 17026 | $206.5B | 0 | ||
| 2023 Q1 | 17026 | $206.5B | 0 | ||
| 2022 Q4 | 16420 | $190.7B | 0 | ||
| 2022 Q3 | 17324 | $178.3B | 0 | ||
| 2022 Q2 | 18735 | $190.9B | 0 | ||
| 2022 Q1 | 18483 | $233.4B | 0 | ||
| 2021 Q4 | 19058 | $261.2B | 0 | ||
| 2021 Q3 | 18063 | $241.3B | 0 | ||
| 2021 Q2 | 18254 | $233.7B | 18 | ||
| 2021 Q1 | 15166 | $226.2B | 16 | ||
| 2020 Q4 | 15010 | $213.4B | 21 | ||
| 2020 Q3 | 14757 | $186.1B | 18 | ||
| 2020 Q2 | 13755 | $163.7B | 23 | ||
| 2020 Q1 | 13683 | $139.1B | 23 | ||
| 2019 Q4 | 14235 | $163.3B | 18 | ||
| 2019 Q3 | 14839 | $148.4B | 15 | ||
| 2019 Q2 | 14515 | $140.2B | 13 | ||
| 2019 Q1 | 14066 | $134.8B | 20 | ||
| 2018 Q4 | 12620 | $116.0B | 21 | ||
| 2018 Q3 | 12671 | $134.5B | 15 | ||
| 2018 Q2 | 12870 | $130.5B | 15 | ||
| 2018 Q1 | 12662 | $126.8B | 17 | ||
| 2017 Q4 | 12285 | $118.0B | 15 | ||
| 2017 Q3 | 12075 | $109.8B | 15 | ||
| 2017 Q2 | 11587 | $103.3B | 15 | ||
| 2017 Q1 | 10289 | $98.1B | 20 | ||
| 2016 Q4 | 10397 | $89.2B | 19 | ||
| 2016 Q3 | 9671 | $92.9B | 17 | ||
| 2016 Q2 | 9636 | $88.5B | 17 | ||
| 2016 Q1 | 9594 | $86.2B | 18 | ||
| 2015 Q4 | 9954 | $87.7B | 23 | ||
| 2015 Q3 | 9863 | $90.7B | 25 | ||
| 2015 Q2 | 7865 | $104.5B | 14 | ||
| 2015 Q1 | 7728 | $103.7B | 16 | ||
| 2014 Q4 | 7062 | $105.1B | 17 | ||
| 2014 Q3 | 6921 | $100.8B | 13 | ||
| 2014 Q2 | 6979 | $99.0B | 16 | ||
| 2014 Q1 | 6997 | $93.7B | 16 | ||
| 2013 Q4 | 6928 | $87.5B | 18 | ||
| 2013 Q3 | 6934 | $80.9B | 14 | ||
| 2013 Q2 | 6848 | $77.5B | 0 |
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC's most significant position changes for 2026-06-30: Sold out: Honeywell International Inc (HON); New buy: ; New buy: ; New buy: ; Sold out: Hologic Inc (HO1).
Showing top 200 changes by size (of 3890 total)
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | MU | Micron Technology Inc | +1.2% | -7.26% | Trim |
| 2 | AMD | Advanced Micro Devices | +1% | -8.57% | Trim |
| 3 | INTC | Intel CORP | +0.7% | -12.38% | Trim |
| 4 | AMAT | Applied Materials Inc | +0.5% | -5.85% | Trim |
| 5 | LRCX | Lam Research CORP | +0.4% | -6.77% | Trim |
| 6 | WDC | Western Digital CORP | +0.4% | +63.44% | Add |
| 7 | MRVL | Marvell Technology Inc | +0.3% | +20.39% | Add |
| 8 | KLAC | Kla CORP | +0.3% | +954.89% | Add |
| 9 | PANW | Palo Alto Networks Inc | +0.3% | +8.75% | Add |
| 10 | AVGO | Broadcom Inc | +0.3% | +2.92% | Add |
| 11 | CSCO | Cisco Systems Inc | +0.3% | +2.70% | Add |
| 12 | SNDK | Sandisk CORP | +0.2% | +57.37% | Add |
| 13 | EQIX | Equinix Inc | +0.2% | +26831.58% | Add |
| 14 | LLY | Eli Lilly & Co | +0.2% | +1.94% | Add |
| 15 | GOOGL | Alphabet Inc-cl A | +0.2% | -1.12% | Trim |
| 16 | DLR | Digital Realty Trust Inc | +0.2% | +17256.87% | Add |
| 17 | SPG | Simon Property Group Inc | +0.2% | +13579.66% | Add |
| 18 | CAT | Caterpillar Inc | +0.1% | -3.49% | Trim |
| 19 | O | Realty Income CORP | +0.1% | +22051.45% | Add |
| 20 | V | Visa Inc-class A Shares | +0.1% | +13.00% | Add |
| 21 | TXN | Texas Instruments Inc | +0.1% | -5.16% | Trim |
| 22 | DELL | Dell Technologies -c | +0.1% | -7.45% | Trim |
| 23 | GE | General Electric | +0.1% | +6.27% | Add |
| 24 | GLW | Corning Inc | +0.1% | -3.78% | Trim |
| 25 | SLB | Slb LTD | +0.1% | +6358.25% | Add |
| 26 | AZO | Autozone Inc | +0.1% | +11577.65% | Add |
| 27 | UNH | Unitedhealth Group Inc | +0.1% | -12.20% | Trim |
| 28 | APH | Amphenol Corp-cl A | +0.1% | +4.48% | Add |
| 29 | SNPS | Synopsys Inc | +0.1% | +40.68% | Add |
| 30 | CRWD | Crowdstrike Holdings Inc - A | +0.1% | -15.95% | Trim |
| 31 | IRM | Iron Mountain Inc | +0.1% | +29674.01% | Add |
| 32 | ✓ | +0.1% | NEW | New buy | |
| 33 | ✓ | +0.1% | NEW | New buy | |
| 34 | ALAB | Astera Labs Inc | +0.1% | +31.62% | Add |
| 35 | TSM | Taiwan Semiconductor-sp Adr | +0.1% | -1.66% | Trim |
| 36 | GEV | GE Vernova Inc | +0.1% | -1.81% | Trim |
| 37 | DDOG | Datadog Inc - Class A | +0.1% | +20.41% | Add |
| 38 | CX | Cemex Sab-spons Adr Part Cer | +0.1% | +173148.96% | Add |
| 39 | ✓ | +0.1% | NEW | New buy | |
| 40 | EXR | Extra Space Storage Inc | +0.1% | +24295.00% | Add |
| 41 | MS | Morgan Stanley | +0.1% | +1.71% | Add |
| 42 | ANET | Arista Networks Inc | +0.1% | -1.49% | Trim |
| 43 | C | Citigroup Inc | +0.1% | +10.75% | Add |
| 44 | TER | Teradyne Inc | +0.1% | +0.64% | Add |
| 45 | FTNT | Fortinet Inc | +0.1% | -16.44% | Trim |
| 46 | COHR | Coherent CORP | +0.1% | +64.65% | Add |
| 47 | BE | Bloom Energy Corp- A | +0.1% | +78.33% | Add |
| 48 | HPE | Hewlett Packard Enterprise | +0.1% | +6.14% | Add |
| 49 | CCI | Crown Castle Inc | +0.1% | +18599.28% | Add |
| 50 | EMBJ | Embraer Sa-spon Adr | +0.1% | +235741.33% | Add |
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC returned an annualized 19.3% over the trailing 36 months — underperforming the S&P 500 by 1.9 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 1.03 (roughly in line with the market) and a 44% quarterly batting average against the index.
Its portfolio is broadly diversified and moderately active, with 41.4% of the portfolio concentrated in Information Technology.
Its turnover score has risen from 0 to 27 over the past 4 quarters — a shift toward more active trading.
It has added to its MU position over the past two quarters (+$7.7B, now $10.3B), while trimming ACN over the same stretch (-$1.4B, still holding $4.0M).
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