Institutional Manager · CIK 0000861177
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC
CHICAGO, IL · File #028-02682
Latest AUM
$472.97B
Positions
18,619
Top-10 Concentration
43.0%
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 |
|---|---|---|---|---|---|
| REDUCE | NVIDIA CORPORATION | NVDA | -55,163,759 | -$10.29B | -$5.6M |
| REDUCE | MICROSOFT CORP | MSFT | -15,826,938 | -$7.65B | -$711.5M |
| REDUCE | APPLE INC | AAPL | -26,633,470 | -$7.24B | +$601.9M |
| REDUCE | BROADCOM INC | AVGO | -9,719,138 | -$3.36B | +$182.1M |
| REDUCE | ALPHABET INC | GOOG | -10,142,536 | -$3.17B | +$940.1M |
| REDUCE | ALPHABET INC | GOOG | -8,123,776 | -$2.55B | +$764.6M |
| REDUCE | TESLA INC | TSLA | -4,494,329 | -$2.02B | +$36.5M |
| ADD | AMAZON COM INC | AMZN | +6,375,253 | +$1.47B | +$1.5M |
| REDUCE | META PLATFORMS INC | META | -2,087,894 | -$1.38B | -$288.0M |
| REDUCE | JPMORGAN CHASE & CO. | VYLD | -3,968,156 | -$1.28B | +$32.4M |
Sector Allocation
Filing History
- 13F COMBINATION REPORTQ/E Dec 202518,619 pos · $472.97B
- 13F COMBINATION REPORTQ/E Sep 202517,325 pos · $460.52B
- 13F COMBINATION REPORTQ/E Jun 202520,124 pos · $494.01B
- 13F COMBINATION REPORTQ/E Mar 202520,404 pos · $390.54B
- 13F COMBINATION REPORTQ/E Dec 202419,260 pos · $428.80B
- 13F COMBINATION REPORTQ/E Sep 202419,362 pos · $389.25B
- 13F COMBINATION REPORTQ/E Jun 202420,308 pos · $348.55B
- 13F COMBINATION REPORTQ/E Mar 202416,251 pos · $281.29B
- 13F COMBINATION REPORTQ/E Dec 202316,687 pos · $223.22B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | NVIDIA CORPORATION | NVDA | 68,564,188 | $12.79B | 8.32% |
| 2 | MICROSOFT CORP | MSFT | 20,321,518 | $9.83B | 6.40% |
| 3 | APPLE INC | AAPL | 34,206,884 | $9.30B | 6.05% |
| 4 | NVIDIA CORPORATION | NVDA | 36,544,209 | $6.82B | 4.44% |
| 5 | APPLE INC | AAPL | 21,158,233 | $5.75B | 3.74% |
| 6 | MICROSOFT CORP | MSFT | 10,763,694 | $5.21B | 3.39% |
| 7 | NVIDIA CORPORATION | NVDA | 23,184,545 | $4.32B | 2.81% |
| 8 | ALPHABET INC | GOOG | 12,935,980 | $4.05B | 2.64% |
| 9 | AMAZON COM INC | AMZN | 17,354,255 | $4.01B | 2.61% |
| 10 | NVIDIA CORPORATION | NVDA | 21,399,107 | $3.99B | 2.60% |
| 11 | BROADCOM INC | AVGO | 11,156,701 | $3.86B | 2.51% |
| 12 | APPLE INC | AAPL | 13,709,317 | $3.73B | 2.43% |
| 13 | MICROSOFT CORP | MSFT | 7,241,872 | $3.50B | 2.28% |
| 14 | NVIDIA CORPORATION | NVDA | 18,094,985 | $3.37B | 2.20% |
| 15 | ALPHABET INC | GOOG | 10,627,579 | $3.33B | 2.17% |
| 16 | AMAZON COM INC | AMZN | 14,050,998 | $3.24B | 2.11% |
| 17 | MICROSOFT CORP | MSFT | 6,649,158 | $3.22B | 2.09% |
| 18 | APPLE INC | AAPL | 11,808,305 | $3.21B | 2.09% |
| 19 | TESLA INC | TSLA | 6,814,799 | $3.06B | 1.99% |
| 20 | MICROSOFT CORP | MSFT | 6,308,688 | $3.05B | 1.99% |